title: Triple Cross eBPF Rootkit Install Commands
id: 22236d75-d5a0-4287-bf06-c93b1770860f
status: test
description: Detects default install commands of the Triple Cross eBPF rootkit based on the "deployer.sh" script
references:
    - https://github.com/h3xduck/TripleCross/blob/1f1c3e0958af8ad9f6ebe10ab442e75de33e91de/apps/deployer.sh
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-07-05
tags:
    - attack.stealth
    - attack.t1014
logsource:
    category: process_creation
    product: linux
detection:
    selection:
        Image|endswith: '/sudo'
        CommandLine|contains|all:
            - ' tc '
            - ' enp0s3 '
        CommandLine|contains:
            - ' qdisc '
            - ' filter '
    condition: selection
falsepositives:
    - Unlikely
level: high

title: OMIGOD SCX RunAsProvider ExecuteShellCommand
id: 21541900-27a9-4454-9c4c-3f0a4240344a
status: test
description: |
    Rule to detect the use of the SCX RunAsProvider Invoke_ExecuteShellCommand to execute any UNIX/Linux command using the /bin/sh shell.
    SCXcore, started as the Microsoft Operations Manager UNIX/Linux Agent, is now used in a host of products including
    Microsoft Operations Manager, Microsoft Azure, and Microsoft Operations Management Suite.
references:
    - https://www.wiz.io/blog/omigod-critical-vulnerabilities-in-omi-azure
    - https://github.com/Azure/Azure-Sentinel/pull/3059
author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research), MSTIC
date: 2021-10-15
modified: 2022-10-05
tags:
    - attack.privilege-escalation
    - attack.initial-access
    - attack.execution
    - attack.t1068
    - attack.t1190
    - attack.t1203
logsource:
    product: linux
    category: process_creation
detection:
    selection:
        User: root
        LogonId: 0
        CurrentDirectory: '/var/opt/microsoft/scx/tmp'
        CommandLine|contains: '/bin/sh'
    condition: selection
falsepositives:
    - Legitimate use of SCX RunAsProvider Invoke_ExecuteShellCommand.
level: high

title: Suspicious Download and Execute Pattern via Curl/Wget
id: a2d9e2f3-0f43-4c7a-bcd9-9acfc0d723aa
status: experimental
description: |
    Detects suspicious use of command-line tools such as curl or wget to download remote
    content - particularly scripts - into temporary directories (e.g., /dev/shm, /tmp), followed by
    immediate execution, indicating potential malicious activity. This pattern is commonly used
    by malicious scripts, stagers, or downloaders in fileless or multi-stage Linux attacks.
references:
    - https://gtfobins.github.io/gtfobins/wget/
    - https://gtfobins.github.io/gtfobins/curl/
author: Aayush Gupta
date: 2025-06-17
tags:
    - attack.execution
    - attack.t1059.004
    - attack.t1203
logsource:
    category: process_creation
    product: linux
detection:
    selection_downloader:
        CommandLine|contains:
            - '/curl'
            - '/wget'
    selection_tmp:
        CommandLine|contains:
            - '/tmp/'
            - '/dev/shm/'
    selection_executor:
        CommandLine|contains: 'sh -c'
    condition: all of selection_*
falsepositives:
    - System update scripts using temporary files
    - Installer scripts or automated provisioning tools
level: high

title: Shell Execution via Flock - Linux
id: 4b09c71e-4269-4111-9cdd-107d8867f0cc
status: test
description: |
    Detects the use of the "flock" command to execute a shell. Such behavior may be associated with privilege escalation, unauthorized command execution, or to break out from restricted environments.
references:
    - https://gtfobins.github.io/gtfobins/flock/#shell
    - https://www.elastic.co/guide/en/security/current/linux-restricted-shell-breakout-via-linux-binary-s.html
author: Li Ling, Andy Parkidomo, Robert Rakowski, Blake Hartstein (Bloomberg L.P.)
date: 2024-09-02
tags:
    - attack.discovery
    - attack.t1083
logsource:
    category: process_creation
    product: linux
detection:
    selection_img:
        Image|endswith: '/flock'
        CommandLine|contains: ' -u '
    selection_cli:
        CommandLine|contains:
            - '/bin/bash'
            - '/bin/dash'
            - '/bin/fish'
            - '/bin/sh'
            - '/bin/zsh'
    condition: all of selection_*
falsepositives:
    - Unknown
level: high

title: Suspicious Invocation of Shell via AWK - Linux
id: 8c1a5675-cb85-452f-a298-b01b22a51856
status: test
description: |
    Detects the execution of "awk" or it's sibling commands, to invoke a shell using the system() function.
    This behavior is commonly associated with attempts to execute arbitrary commands or escalate privileges, potentially leading to unauthorized access or further exploitation.
references:
    - https://gtfobins.github.io/gtfobins/awk/#shell
    - https://gtfobins.github.io/gtfobins/gawk/#shell
    - https://gtfobins.github.io/gtfobins/nawk/#shell
    - https://gtfobins.github.io/gtfobins/mawk/#shell
author: Li Ling, Andy Parkidomo, Robert Rakowski, Blake Hartstein (Bloomberg L.P.)
date: 2024-09-02
tags:
    - attack.execution
    - attack.t1059
logsource:
    category: process_creation
    product: linux
detection:
    selection_img:
        Image|endswith:
            - '/awk'
            - '/gawk'
            - '/mawk'
            - '/nawk'
        CommandLine|contains: 'BEGIN {system'
    selection_cli:
        CommandLine|contains:
            - '/bin/bash'
            - '/bin/dash'
            - '/bin/fish'
            - '/bin/sh'
            - '/bin/zsh'
    condition: all of selection_*
falsepositives:
    - Unknown
level: high

title: Python One-Liners with Base64 Decoding - Linux
id: 55e862a8-dd9c-4651-807a-f21fcad56716
related:
    - id: 50a0aa3d-ab16-4594-a8aa-5145a6e6792b
      type: similar
status: experimental
description: |
    Detects the use of Python's base64 decoding functions in command line executions on Linux systems.
    Malicious scripts often use python one-liners to decode and execute base64-encoded payloads, which is a common technique for obfuscation and evasion.
references:
    - https://docs.python.org/3/library/base64.html
    - https://www.virustotal.com/gui/file/bc43e925d7b4b74319f6e74e836a96f1997ba404e14ac566cf12a21e9da463db/behavior
    - https://cloud.google.com/blog/topics/threat-intelligence/cybercriminals-weaponize-fake-ai-websites
author: Hugh Ryan (HueCodes), Swachchhanda Shrawan Poudel (Nextron Systems)
date: 2026-03-09
tags:
    - attack.execution
    - attack.stealth
    - attack.t1059.006
    - attack.t1027.010
logsource:
    category: process_creation
    product: linux
detection:
    selection_img:
        Image|contains: '/python'
    selection_cli:
        CommandLine|contains|all:
            - 'import'
            - 'base64'
            - ' -c'
        CommandLine|contains:
            - '.decode'
            - 'b16decode'
            - 'b32decode'
            - 'b32hexdecode'
            - 'b64decode'
            - 'b85decode'
            - 'z85decode'
    condition: all of selection_*
falsepositives:
    - Legitimate use of Python for decoding data, which is uncommon in typical enterprise environments but possible in development or data analysis contexts.
level: high

title: Script Interpreter Spawning Credential Scanner - Linux
id: f0025a69-e1b7-4dda-a53c-db21fa2d4071
related:
    - id: 0f60b28c-64dd-4e2c-9a63-5334d3e3a6e6
      type: similar
status: experimental
description: |
    Detects a script interpreter process (like node.js or bun) spawning a known credential scanning tool (e.g., trufflehog, gitleaks).
    This behavior is indicative of an attempt to find and steal secrets, as seen in the "Shai-Hulud: The Second Coming" campaign.
references:
    - https://github.com/asyncapi/cli/blob/2efa4dff59bc3d3cecdf897ccf178f99b115d63d/bun_environment.js
    - https://www.stepsecurity.io/blog/sha1-hulud-the-second-coming-zapier-ens-domains-and-other-prominent-npm-packages-compromised
    - https://www.endorlabs.com/learn/shai-hulud-2-malware-campaign-targets-github-and-cloud-credentials-using-bun-runtime
    - https://semgrep.dev/blog/2025/digging-for-secrets-sha1-hulud-the-second-coming-of-the-npm-worm/
author: Swachchhanda Shrawan Poudel (Nextron Systems)
date: 2025-11-25
tags:
    - attack.credential-access
    - attack.t1552
    - attack.execution
    - attack.collection
    - attack.t1005
    - attack.t1059.004
logsource:
    category: process_creation
    product: linux
detection:
    selection_parent:
        ParentImage|endswith:
         # Add more script interpreters as needed
            - '/node'
            - '/bun'
    selection_child:
        - Image|endswith:
              - '/trufflehog'
              - '/gitleaks'
        - CommandLine|contains:
              - 'trufflehog'
              - 'gitleaks'
    condition: all of selection_*
falsepositives:
    - Legitimate pre-commit hooks or CI/CD pipeline jobs that use a script to run a credential scanner as part of a security check.
level: high

title: Shell Execution via Nice - Linux
id: 093d68c7-762a-42f4-9f46-95e79142571a
status: test
description: |
    Detects the use of the "nice" utility to execute a shell. Such behavior may be associated with privilege escalation, unauthorized command execution, or to break out from restricted environments.
references:
    - https://gtfobins.github.io/gtfobins/nice/#shell
    - https://www.elastic.co/guide/en/security/current/linux-restricted-shell-breakout-via-linux-binary-s.html
author: Li Ling, Andy Parkidomo, Robert Rakowski, Blake Hartstein (Bloomberg L.P.)
date: 2024-09-02
tags:
    - attack.discovery
    - attack.t1083
logsource:
    category: process_creation
    product: linux
detection:
    selection:
        Image|endswith: '/nice'
        CommandLine|endswith:
            - '/bin/bash'
            - '/bin/dash'
            - '/bin/fish'
            - '/bin/sh'
            - '/bin/zsh'
    condition: selection
falsepositives:
    - Unknown
level: high

title: Suspicious Java Children Processes
id: d292e0af-9a18-420c-9525-ec0ac3936892
status: test
description: Detects java process spawning suspicious children
references:
    - https://www.tecmint.com/different-types-of-linux-shells/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-06-03
tags:
    - attack.execution
    - attack.t1059
logsource:
    category: process_creation
    product: linux
detection:
    selection:
        ParentImage|endswith: '/java'
        CommandLine|contains:
            - '/bin/sh'
            - 'bash'
            - 'dash'
            - 'ksh'
            - 'zsh'
            - 'csh'
            - 'fish'
            - 'curl'
            - 'wget'
            - 'python'
    condition: selection
falsepositives:
    - Unknown
level: high

title: Vim GTFOBin Abuse - Linux
id: 7ab8f73a-fcff-428b-84aa-6a5ff7877dea
status: test
description: |
    Detects the use of "vim" and it's siblings commands to execute a shell or proxy commands.
    Such behavior may be associated with privilege escalation, unauthorized command execution, or to break out from restricted environments.
references:
    - https://gtfobins.github.io/gtfobins/vim/
    - https://gtfobins.github.io/gtfobins/rvim/
    - https://gtfobins.github.io/gtfobins/vimdiff/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-12-28
modified: 2024-09-02
tags:
    - attack.discovery
    - attack.t1083
logsource:
    category: process_creation
    product: linux
detection:
    selection_img:
        Image|endswith:
            - '/rvim'
            - '/vim'
            - '/vimdiff'
        CommandLine|contains:
            - ' --cmd'
            - ' -c '
    selection_cli:
        CommandLine|contains:
            - ':!/'
            - ':lua '
            - ':py '
            - '/bin/bash'
            - '/bin/dash'
            - '/bin/fish'
            - '/bin/sh'
            - '/bin/zsh'
    condition: all of selection_*
falsepositives:
    - Unknown
level: high

title: Shell Invocation Via Ssh - Linux
id: 8737b7f6-8df3-4bb7-b1da-06019b99b687
status: test
description: |
    Detects the use of the "ssh" utility to execute a shell. Such behavior may be associated with privilege escalation, unauthorized command execution, or to break out from restricted environments.
references:
    - https://gtfobins.github.io/gtfobins/ssh/
    - https://www.elastic.co/guide/en/security/current/linux-restricted-shell-breakout-via-linux-binary-s.html
author: Li Ling, Andy Parkidomo, Robert Rakowski, Blake Hartstein (Bloomberg L.P.)
date: 2024-08-29
tags:
    - attack.execution
    - attack.t1059
logsource:
    category: process_creation
    product: linux
detection:
    selection_img:
        Image|endswith: '/ssh'
        CommandLine|contains:
            - 'ProxyCommand=;'
            - 'permitlocalcommand=yes'
            - 'localhost'
    selection_cli:
        CommandLine|contains:
            - '/bin/bash'
            - '/bin/dash'
            - '/bin/fish'
            - '/bin/sh'
            - '/bin/zsh'
            - 'sh 0<&2 1>&2'
            - 'sh 1>&2 0<&2'
    condition: all of selection_*
falsepositives:
    - Unknown
level: high

title: OMIGOD SCX RunAsProvider ExecuteScript
id: 6eea1bf6-f8d2-488a-a742-e6ef6c1b67db
status: test
description: |
    Rule to detect the use of the SCX RunAsProvider ExecuteScript to execute any UNIX/Linux script using the /bin/sh shell.
    Script being executed gets created as a temp file in /tmp folder with a scx* prefix.
    Then it is invoked from the following directory /etc/opt/microsoft/scx/conf/tmpdir/.
    The file in that directory has the same prefix scx*. SCXcore, started as the Microsoft Operations Manager UNIX/Linux Agent, is now used in a host of products including
    Microsoft Operations Manager, Microsoft Azure, and Microsoft Operations Management Suite.
references:
    - https://www.wiz.io/blog/omigod-critical-vulnerabilities-in-omi-azure
    - https://github.com/Azure/Azure-Sentinel/pull/3059
author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research), MSTIC
date: 2021-10-15
modified: 2022-10-05
tags:
    - attack.privilege-escalation
    - attack.initial-access
    - attack.execution
    - attack.t1068
    - attack.t1190
    - attack.t1203
logsource:
    product: linux
    category: process_creation
detection:
    selection:
        User: root
        LogonId: 0
        CurrentDirectory: '/var/opt/microsoft/scx/tmp'
        CommandLine|contains: '/etc/opt/microsoft/scx/conf/tmpdir/scx'
    condition: selection
falsepositives:
    - Legitimate use of SCX RunAsProvider ExecuteScript.
level: high

title: Linux Webshell Indicators
id: 818f7b24-0fba-4c49-a073-8b755573b9c7
status: test
description: Detects suspicious sub processes of web server processes
references:
    - https://www.acunetix.com/blog/articles/web-shells-101-using-php-introduction-web-shells-part-2/
    - https://media.defense.gov/2020/Jun/09/2002313081/-1/-1/0/CSI-DETECT-AND-PREVENT-WEB-SHELL-MALWARE-20200422.PDF
author: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems)
date: 2021-10-15
modified: 2022-12-28
tags:
    - attack.persistence
    - attack.t1505.003
logsource:
    product: linux
    category: process_creation
detection:
    selection_general:
        ParentImage|endswith:
            - '/httpd'
            - '/lighttpd'
            - '/nginx'
            - '/apache2'
            - '/node'
            - '/caddy'
    selection_tomcat:
        ParentCommandLine|contains|all:
            - '/bin/java'
            - 'tomcat'
    selection_websphere:  # ? just guessing
        ParentCommandLine|contains|all:
            - '/bin/java'
            - 'websphere'
    sub_processes:
        Image|endswith:
            - '/whoami'
            - '/ifconfig'
            - '/ip'
            - '/bin/uname'
            - '/bin/cat'
            - '/bin/crontab'
            - '/hostname'
            - '/iptables'
            - '/netstat'
            - '/pwd'
            - '/route'
    condition: 1 of selection_* and sub_processes
falsepositives:
    - Web applications that invoke Linux command line tools
level: high

title: Linux HackTool Execution
id: a015e032-146d-4717-8944-7a1884122111
status: test
description: Detects known hacktool execution based on image name.
references:
    - https://github.com/Gui774ume/ebpfkit
    - https://github.com/pathtofile/bad-bpf
    - https://github.com/carlospolop/PEASS-ng
    - https://github.com/t3l3machus/hoaxshell
    - https://github.com/t3l3machus/Villain
    - https://github.com/HavocFramework/Havoc
    - https://github.com/1N3/Sn1per
    - https://github.com/Ne0nd0g/merlin
    - https://github.com/Pennyw0rth/NetExec/
author: Nasreddine Bencherchali (Nextron Systems), Georg Lauenstein (sure[secure])
date: 2023-01-03
modified: 2024-09-19
tags:
    - attack.execution
    - attack.resource-development
    - attack.t1587
logsource:
    product: linux
    category: process_creation
detection:
    selection_c2_frameworks:
        Image|endswith:
            - '/crackmapexec'
            - '/havoc'
            - '/merlin-agent'
            - '/merlinServer-Linux-x64'
            - '/msfconsole'
            - '/msfvenom'
            - '/ps-empire server'
            - '/ps-empire'
            - '/sliver-client'
            - '/sliver-server'
            - '/Villain.py'
    selection_c2_framework_cobaltstrike:
        Image|contains:
            - '/cobaltstrike'
            - '/teamserver'
    selection_scanners:
        Image|endswith:
            - '/autorecon'
            - '/httpx'
            - '/legion'
            - '/naabu'
            - '/netdiscover'
            - '/nuclei'
            - '/recon-ng'
    selection_scanners_sniper:
        Image|contains: '/sniper'
    selection_web_enum:
        Image|endswith:
            - '/dirb'
            - '/dirbuster'
            - '/eyewitness'
            - '/feroxbuster'
            - '/ffuf'
            - '/gobuster'
            - '/wfuzz'
            - '/whatweb'
    selection_web_vuln:
        Image|endswith:
            - '/joomscan'
            - '/nikto'
            - '/wpscan'
    selection_exploit_tools:
        Image|endswith:
            - '/aircrack-ng'
            - '/bloodhound-python'
            - '/bpfdos'
            - '/ebpfki'
            - '/evil-winrm'
            - '/hashcat'
            - '/hoaxshell.py'
            - '/hydra'
            - '/john'
            - '/ncrack'
            # default binary: https://github.com/Pennyw0rth/NetExec/releases/download/v1.0.0/nxc-ubuntu-latest
            - '/nxc-ubuntu-latest'
            - '/pidhide'
            - '/pspy32'
            - '/pspy32s'
            - '/pspy64'
            - '/pspy64s'
            - '/setoolkit'
            - '/sqlmap'
            - '/writeblocker'
    selection_linpeas:
        # covers: all linux versions listed here: https://github.com/carlospolop/PEASS-ng/releases
        Image|contains: '/linpeas'
    condition: 1 of selection_*
falsepositives:
    - Unlikely
level: high

title: Linux Keylogging with Pam.d
id: 49aae26c-450e-448b-911d-b3c13d178dfc
status: test
description: Detect attempt to enable auditing of TTY input
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1056.001/T1056.001.md
    - https://linux.die.net/man/8/pam_tty_audit
    - https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/security_guide/sec-configuring_pam_for_auditing
    - https://access.redhat.com/articles/4409591#audit-record-types-2
author: 'Pawel Mazur'
date: 2021-05-24
modified: 2022-12-18
tags:
    - attack.collection
    - attack.credential-access
    - attack.t1003
    - attack.t1056.001
logsource:
    product: linux
    service: auditd
detection:
    selection_path_events:
        type: PATH
        name:
            - '/etc/pam.d/system-auth'
            - '/etc/pam.d/password-auth'
    selection_tty_events:
        type:
            - 'TTY'
            - 'USER_TTY'
    condition: 1 of selection_*
falsepositives:
    - Administrative work
level: high

title: BPFDoor Abnormal Process ID or Lock File Accessed
id: 808146b2-9332-4d78-9416-d7e47012d83d
status: test
description: detects BPFDoor .lock and .pid files access in temporary file storage facility
references:
    - https://www.sandflysecurity.com/blog/bpfdoor-an-evasive-linux-backdoor-technical-analysis/
    - https://www.elastic.co/security-labs/a-peek-behind-the-bpfdoor
    - https://www.rapid7.com/blog/post/tr-bpfdoor-telecom-networks-sleeper-cells-threat-research-report/
    - https://github.com/rapid7/Rapid7-Labs/blob/741c7196ec12a0a56b63463d1fd726ff14d3a97a/BPFDoor/rapid7_detect_bpfdoor.sh
author: Rafal Piasecki
date: 2022-08-10
modified: 2026-03-30
tags:
    - attack.execution
    - attack.t1106
    - attack.t1059
logsource:
    product: linux
    service: auditd
detection:
    selection:
        type: 'PATH'
        name:
            - /var/run/aepmonend.pid
            - /var/run/auditd.lock
            - /var/run/cma.lock
            - /var/run/console-kit.pid
            - /var/run/consolekit.pid
            - /var/run/daemon.pid
            - /var/run/hald-addon.pid
            - /var/run/hald-smartd.pid
            - /var/run/haldrund.pid
            - /var/run/hp-health.pid
            - /var/run/hpasmlit.lock
            - /var/run/hpasmlited.pid
            - /var/run/kdevrund.pid
            - /var/run/lldpad.lock
            - /var/run/mcelog.pid
            - /var/run/system.pid
            - /var/run/uvp-srv.pid
            - /var/run/vmtoolagt.pid
            - /var/run/xinetd.lock
    condition: selection
falsepositives:
    - Unlikely
level: high

title: Binary Padding - Linux
id: c52a914f-3d8b-4b2a-bb75-b3991e75f8ba
status: test
description: |
    Adversaries may use binary padding to add junk data and change the on-disk representation of malware.
    This rule detect using dd and truncate to add a junk data to file.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1027.001/T1027.001.md
author: Igor Fits, oscd.community
date: 2020-10-13
modified: 2023-05-03
tags:
    - attack.stealth
    - attack.t1027.001
logsource:
    product: linux
    service: auditd
detection:
    selection_execve:
        type: 'EXECVE'
    keywords_truncate:
        '|all':
            - 'truncate'
            - '-s'
    keywords_dd:
        '|all':
            - 'dd'
            - 'if='
    keywords_filter:
        - 'of='
    condition: selection_execve and (keywords_truncate or (keywords_dd and not keywords_filter))
falsepositives:
    - Unknown
level: high
simulation:
    - type: atomic-red-team
      name: Pad Binary to Change Hash - Linux/macOS dd
      technique: T1027.001
      atomic_guid: ffe2346c-abd5-4b45-a713-bf5f1ebd573a

title: Privileged User Has Been Created
id: 0ac15ec3-d24f-4246-aa2a-3077bb1cf90e
status: test
description: Detects the addition of a new user to a privileged group such as "root" or "sudo"
references:
    - https://digital.nhs.uk/cyber-alerts/2018/cc-2825
    - https://linux.die.net/man/8/useradd
    - https://github.com/redcanaryco/atomic-red-team/blob/25acadc0b43a07125a8a5b599b28bbc1a91ffb06/atomics/T1136.001/T1136.001.md#atomic-test-5---create-a-new-user-in-linux-with-root-uid-and-gid
author: Pawel Mazur
date: 2022-12-21
modified: 2025-01-21
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1136.001
    - attack.t1098
logsource:
    product: linux
    definition: '/var/log/secure on REHL systems or /var/log/auth.log on debian like Systems needs to be collected in order for this detection to work'
detection:
    # Example of the events that could be observed when matching these would be as follow
    #   Dec 21 16:42:19 testserver useradd[1337]: new user: name=butter1, UID=1000, GID=0, home=/root, shell=/bin/bash
    #   Dec 21 17:13:54 testserver useradd[1337]: new user: name=john, UID=0, GID=0, home=/home/john, shell=/bin/bash
    #   Dec 21 17:24:40 testserver useradd[1337]: new user: name=butter3, UID=1000, GID=10, home=/home/butter3, shell=/bin/bash
    #   Dec 21 17:30:22 testserver useradd[1337]: new user: name=butter4, UID=1000, GID=27, home=/home/butter4, shell=/bin/bash
    selection_new_user:
        - 'new user'
    selection_uids_gids:
        - 'GID=0,' # root group
        - 'UID=0,' # root UID
        - 'GID=10,' # wheel group
        - 'GID=27,' # sudo group
    condition: all of selection_*
falsepositives:
    - Administrative activity
level: high

title: Linux Command History Tampering
id: fdc88d25-96fb-4b7c-9633-c0e417fdbd4e
status: test
description: |
    Detects commands that try to clear or tamper with the Linux command history.
    This technique is used by threat actors in order to evade defenses and execute commands without them being recorded in files such as "bash_history" or "zsh_history".
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1070.003/T1070.003.md
    - https://www.hackers-arise.com/post/2016/06/20/covering-your-bash-shell-tracks-antiforensics
    - https://www.cadosecurity.com/spinning-yarn-a-new-linux-malware-campaign-targets-docker-apache-hadoop-redis-and-confluence/
author: Patrick Bareiss
date: 2019-03-24
modified: 2024-04-17
tags:
    - attack.stealth
    - attack.t1070.003
logsource:
    product: linux
detection:
    keywords:
        - 'cat /dev/null >*sh_history'
        - 'cat /dev/zero >*sh_history'
        - 'chattr +i*sh_history'
        - 'echo "" >*sh_history'
        - 'empty_bash_history'
        - 'export HISTFILESIZE=0'
        - 'history -c'
        - 'history -w'
        - 'ln -sf /dev/null *sh_history'
        - 'ln -sf /dev/zero *sh_history'
        - 'rm *sh_history'
        - 'shopt -ou history'
        - 'shopt -uo history'
        - 'shred *sh_history'
        - 'truncate -s0 *sh_history'
        # - 'unset HISTFILE'  # prone to false positives
    condition: keywords
falsepositives:
    - Unknown
level: high

title: Buffer Overflow Attempts
id: 18b042f0-2ecd-4b6e-9f8d-aa7a7e7de781
status: test
description: Detects buffer overflow attempts in Unix system log files
references:
    - https://github.com/ossec/ossec-hids/blob/1ecffb1b884607cb12e619f9ab3c04f530801083/etc/rules/attack_rules.xml  # OSSEC attack detection rules​:contentReference[oaicite:6]{index=6}​:contentReference[oaicite:7]{index=7}
    - https://docs.oracle.com/cd/E19683-01/816-4883/6mb2joatd/index.html  # Exec stack syslog message (noexec_user_stack)​:contentReference[oaicite:8]{index=8}
    - https://www.giac.org/paper/gcih/266/review-ftp-protocol-cyber-defense-initiative/102802  # WU-FTPD exploit "0bin0sh" analysis​:contentReference[oaicite:9]{index=9}
    - https://blu.org/mhonarc/discuss/2001/04/msg00285.php  # RPC.statd exploit attempt log example​:contentReference[oaicite:10]{index=10}
    - https://rapid7.com/blog/post/2019/02/19/stack-based-buffer-overflow-attacks-what-you-need-to-know/  # Stack smashing protector alert example​:contentReference[oaicite:11]{index=11}
author: Florian Roth (Nextron Systems)
date: 2017-03-01
modified: 2025-03-17
tags:
    - attack.t1068
    - attack.privilege-escalation
logsource:
    product: linux
detection:
    keywords:
        - 'attempt to execute code on stack by'
        - '0bin0sh1'
        # - 'rpc.statd[\d+]: gethostbyname error for'  # it's an expensive regex and produces questionable results
        - 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'  # this can cause false positives in Base64 encoded data
        - 'stack smashing detected'
    condition: keywords
falsepositives:
    - Base64 encoded data in log entries
level: high

title: Symlink Etc Passwd
id: c67fc22a-0be5-4b4f-aad5-2b32c4b69523
status: test
description: Detects suspicious command lines that look as if they would create symbolic links to /etc/passwd
references:
    - https://www.qualys.com/2021/05/04/21nails/21nails.txt
author: Florian Roth (Nextron Systems)
date: 2019-04-05
modified: 2021-11-27
tags:
    - attack.t1204.001
    - attack.execution
logsource:
    product: linux
detection:
    keywords:
        - 'ln -s -f /etc/passwd'
        - 'ln -s /etc/passwd'
    condition: keywords
falsepositives:
    - Unknown
level: high

title: Shellshock Expression
id: c67e0c98-4d39-46ee-8f6b-437ebf6b950e
status: test
description: Detects shellshock expressions in log files
references:
    - https://owasp.org/www-pdf-archive/Shellshock_-_Tudor_Enache.pdf
author: Florian Roth (Nextron Systems)
date: 2017-03-14
modified: 2022-10-09
tags:
    - attack.persistence
    - attack.t1505.003
logsource:
    product: linux
detection:
    keywords:
        - '(){:;};'
        - '() {:;};'
        - '() { :;};'
        - '() { :; };'
    condition: keywords
falsepositives:
    - Unknown
level: high

title: Suspicious Named Error
id: c8e35e96-19ce-4f16-aeb6-fd5588dc5365
status: test
description: Detects suspicious DNS error messages that indicate a fatal or suspicious error that could be caused by exploiting attempts
references:
    - https://github.com/ossec/ossec-hids/blob/1ecffb1b884607cb12e619f9ab3c04f530801083/etc/rules/named_rules.xml
author: Florian Roth (Nextron Systems)
date: 2018-02-20
modified: 2022-10-05
tags:
    - attack.initial-access
    - attack.t1190
logsource:
    product: linux
    service: syslog
detection:
    keywords:
        - ' dropping source port zero packet from '
        - ' denied AXFR from '
        - ' exiting (due to fatal error)'
    condition: keywords
falsepositives:
    - Unknown
level: high

title: Suspicious Filename with Embedded Base64 Commands
id: 179b3686-6271-4d87-807d-17d843a8af73
status: experimental
description: |
    Detects files with specially crafted filenames that embed Base64-encoded bash payloads designed to execute when processed by shell scripts.
    These filenames exploit shell interpretation quirks to trigger hidden commands, a technique observed in VShell malware campaigns.
references:
    - https://www.trellix.com/blogs/research/the-silent-fileless-threat-of-vshell/
author: '@kostastsale'
date: 2025-11-22
tags:
    - attack.execution
    - attack.stealth
    - attack.t1059.004
    - attack.t1027
logsource:
    product: linux
    category: file_event
detection:
    selection:
        TargetFilename|contains:
            - '{echo'
            - '{base64,-d}'
    condition: selection
falsepositives:
    - Legitimate files with similar naming patterns (very unlikely).
level: high

title: Possible Impacket SecretDump Remote Activity - Zeek
id: 92dae1ed-1c9d-4eff-a567-33acbd95b00e
status: test
description: 'Detect AD credential dumping using impacket secretdump HKTL. Based on the SIGMA rules/windows/builtin/win_impacket_secretdump.yml'
references:
    - https://web.archive.org/web/20230329153811/https://blog.menasec.net/2019/02/threat-huting-10-impacketsecretdump.html
author: 'Samir Bousseaden, @neu5ron'
date: 2020-03-19
modified: 2021-11-27
tags:
    - attack.credential-access
    - attack.t1003.002
    - attack.t1003.004
    - attack.t1003.003
logsource:
    product: zeek
    service: smb_files
detection:
    selection:
        path|contains|all:
            - '\'
            - 'ADMIN$'
        name|contains: 'SYSTEM32\'
        name|endswith: '.tmp'
    condition: selection
falsepositives:
    - Unknown
level: high

title: First Time Seen Remote Named Pipe - Zeek
id: 021310d9-30a6-480a-84b7-eaa69aeb92bb
related:
    - id: 52d8b0c6-53d6-439a-9e41-52ad442ad9ad
      type: derived
status: test
description: This detection excludes known namped pipes accessible remotely and notify on newly observed ones, may help to detect lateral movement and remote exec using named pipes
references:
    - https://twitter.com/menasec1/status/1104489274387451904
author: Samir Bousseaden, @neu5ron, Tim Shelton
date: 2020-04-02
modified: 2022-12-27
tags:
    - attack.lateral-movement
    - attack.t1021.002
logsource:
    product: zeek
    service: smb_files
detection:
    selection:
        path: '\\\\\*\\IPC$' # Looking for the string \\*\IPC$
    filter_keywords:
        - 'samr'
        - 'lsarpc'
        - 'winreg'
        - 'netlogon'
        - 'srvsvc'
        - 'protected_storage'
        - 'wkssvc'
        - 'browser'
        - 'netdfs'
        - 'svcctl'
        - 'spoolss'
        - 'ntsvcs'
        - 'LSM_API_service'
        - 'HydraLsPipe'
        - 'TermSrv_API_service'
        - 'MsFteWds'
    condition: selection and not 1 of filter_*
falsepositives:
    - Update the excluded named pipe to filter out any newly observed legit named pipe
level: high

title: Suspicious PsExec Execution - Zeek
id: f1b3a22a-45e6-4004-afb5-4291f9c21166
related:
    - id: c462f537-a1e3-41a6-b5fc-b2c2cef9bf82
      type: derived
status: test
description: detects execution of psexec or paexec with renamed service name, this rule helps to filter out the noise if psexec is used for legit purposes or if attacker uses a different psexec client other than sysinternal one
references:
    - https://web.archive.org/web/20230329171218/https://blog.menasec.net/2019/02/threat-hunting-3-detecting-psexec.html
author: Samir Bousseaden, @neu5ron, Tim Shelton
date: 2020-04-02
modified: 2022-12-27
tags:
    - attack.lateral-movement
    - attack.t1021.002
logsource:
    product: zeek
    service: smb_files
detection:
    selection:
        path|contains|all:
            - '\\'
            - '\IPC$'
        name|endswith:
            - '-stdin'
            - '-stdout'
            - '-stderr'
    filter:
        name|startswith: 'PSEXESVC'
    condition: selection and not filter
falsepositives:
    - Unknown
level: high

title: Publicly Accessible RDP Service
id: 1fc0809e-06bf-4de3-ad52-25e5263b7623
status: test
description: |
    Detects connections from routable IPs to an RDP listener. Which is indicative of a publicly-accessible RDP service.
author: Josh Brower @DefensiveDepth
date: 2020-08-22
modified: 2024-03-13
tags:
    - attack.lateral-movement
    - attack.t1021.001
logsource:
    product: zeek
    service: rdp
detection:
    selection:
        id.orig_h|cidr:
            - '::1/128'  # IPv6 loopback
            - '10.0.0.0/8'
            - '127.0.0.0/8'
            - '172.16.0.0/12'
            - '192.168.0.0/16'
            - '169.254.0.0/16'
            - '2620:83:8000::/48'
            - 'fc00::/7'  # IPv6 private addresses
            - 'fe80::/10'  # IPv6 link-local addresses
    # approved_rdp:
      # dst_ip:
        # - x.x.x.x
    condition: not selection # and not approved_rdp
falsepositives:
    - Although it is recommended to NOT have RDP exposed to the internet, verify that this is a) allowed b) the server has not already been compromised via some brute force or remote exploit since it has been exposed to the internet. Work to secure the server if you are unable to remove it from being exposed to the internet.
level: high

title: Cisco Clear Logs
id: ceb407f6-8277-439b-951f-e4210e3ed956
status: test
description: Clear command history in network OS which is used for defense evasion
references:
    - https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/command/reference/sysmgmt/n5k-sysmgmt-cr/n5k-sm_cmds_c.html
    - https://www.cisco.com/c/en/us/td/docs/ios/12_2sr/12_2sra/feature/guide/srmgtint.html#wp1127609
author: Austin Clark
date: 2019-08-12
modified: 2023-05-26
tags:
    - attack.stealth
    - attack.t1070.003
logsource:
    product: cisco
    service: aaa
detection:
    keywords:
        - 'clear logging'
        - 'clear archive'
    condition: keywords
falsepositives:
    - Legitimate administrators may run these commands
level: high

title: Cisco Local Accounts
id: 6d844f0f-1c18-41af-8f19-33e7654edfc3
status: test
description: Find local accounts being created or modified as well as remote authentication configurations
author: Austin Clark
date: 2019-08-12
modified: 2023-01-04
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1136.001
    - attack.t1098
logsource:
    product: cisco
    service: aaa
detection:
    keywords:
        - 'username'
        - 'aaa'
    condition: keywords
falsepositives:
    - When remote authentication is in place, this should not change often
level: high

title: Wannacry Killswitch Domain
id: 3eaf6218-3bed-4d8a-8707-274096f12a18
status: test
description: Detects wannacry killswitch domain dns queries
references:
    - https://www.mandiant.com/resources/blog/wannacry-ransomware-campaign
author: Mike Wade
date: 2020-09-16
modified: 2022-03-24
tags:
    - attack.command-and-control
    - attack.t1071.001
logsource:
    category: dns
detection:
    selection:
        query:
            - 'ifferfsodp9ifjaposdfjhgosurijfaewrwergwea.testing'
            - 'ifferfsodp9ifjaposdfjhgosurijfaewrwergwea.test'
            - 'ifferfsodp9ifjaposdfjhgosurijfaewrwergwea.com'
            - 'ayylmaotjhsstasdfasdfasdfasdfasdfasdfasdf.com'
            - 'iuqssfsodp9ifjaposdfjhgosurijfaewrwergwea.com'
    condition: selection
falsepositives:
    - Analyst testing
level: high

title: DNS TXT Answer with Possible Execution Strings
id: 8ae51330-899c-4641-8125-e39f2e07da72
status: test
description: Detects strings used in command execution in DNS TXT Answer
references:
    - https://twitter.com/stvemillertime/status/1024707932447854592
    - https://github.com/samratashok/nishang/blob/414ee1104526d7057f9adaeee196d91ae447283e/Backdoors/DNS_TXT_Pwnage.ps1
author: Markus Neis
date: 2018-08-08
modified: 2021-11-27
tags:
    - attack.command-and-control
    - attack.t1071.004
logsource:
    category: dns
detection:
    selection:
        record_type: 'TXT'
        answer|contains:
            - 'IEX'
            - 'Invoke-Expression'
            - 'cmd.exe'
    condition: selection
falsepositives:
    - Unknown
level: high

title: DNS Query to External Service Interaction Domains
id: aff715fa-4dd5-497a-8db3-910bea555566
status: test
description: |
    Detects suspicious DNS queries to external service interaction domains often used for out-of-band interactions after successful RCE
references:
    - https://twitter.com/breakersall/status/1533493587828260866
    - https://www.bitdefender.com/en-us/blog/businessinsights/bitdefender-advisory-critical-unauthenticated-rce-windows-server-update-services-cve-2025-59287
    - https://github.com/SigmaHQ/sigma/pull/5724#issuecomment-3466382234
author: Florian Roth (Nextron Systems), Matt Kelly (list of domains)
date: 2022-06-07
modified: 2026-01-24
tags:
    - attack.initial-access
    - attack.t1190
    - attack.reconnaissance
    - attack.t1595.002
logsource:
    category: dns
detection:
    selection:
        query|endswith:
            - '.burpcollaborator.net' # Portswigger Burpsuite Collaborator
            - '.canarytokens.com' # Thinkst Canary Canarytokens
            - '.ceye.io'
            - '.ddns.1443.eu.org' # dig.pm
            - '.ddns.bypass.eu.org' # dig.pm
            - '.ddns.xn--gg8h.eu.org' # dig.pm
            - '.digimg.store' # dnslog.ink
            - '.dns.su18.org' # javaweb.org
            - '.dnshook.site' # webhook.site
            - '.dnslog.cn'
            - '.dnslog.ink' # dnslog.ink
            - '.instances.httpworkbench.com' # httpworkbench.com
            - '.interact.sh' # Project Discovery Interactsh
            - '.log.dnslog.pp.ua' # dnslog.org
            - '.log.dnslog.qzz.io' # dnslog.org
            - '.log.dnslogs.dpdns.org' # dnslog.org
            - '.log.javaweb.org' # javaweb.org
            - '.log.nat.cloudns.ph' # dnslog.org
            - '.oast.fun' # Project Discovery Interactsh
            - '.oast.live' # Project Discovery Interactsh
            - '.oast.me' # Project Discovery Interactsh
            - '.oast.online' # Project Discovery Interactsh
            - '.oast.pro' # Project Discovery Interactsh
            - '.oast.site' # Project Discovery Interactsh
            - '.oastify.com' # Portswigger Burpsuite Collaborator
            - '.p8.lol' # javaweb.org
            - '.requestbin.net'
    filter_main_polling:
        query|contains: 'polling.oastify.com'
    condition: selection and not 1 of filter_main_*
falsepositives:
    - Legitimate security scanning.
level: high

title: PowerShell Called from an Executable Version Mismatch
id: c70e019b-1479-4b65-b0cc-cd0c6093a599
status: test
description: Detects PowerShell called from an executable by the version mismatch method
references:
    - https://adsecurity.org/?p=2921
author: Sean Metcalf (source), Florian Roth (Nextron Systems)
date: 2017-03-05
modified: 2023-10-27
tags:
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    category: ps_classic_start
detection:
    selection_engine:
        Data|contains:
            - 'EngineVersion=2.'
            - 'EngineVersion=4.'
            - 'EngineVersion=5.'
    selection_host:
        Data|contains: 'HostVersion=3.'
    condition: all of selection_*
falsepositives:
    - Unknown
level: high

title: Potential RemoteFXvGPUDisablement.EXE Abuse
id: f65e22f9-819e-4f96-9c7b-498364ae7a25
related:
    - id: a6fc3c46-23b8-4996-9ea2-573f4c4d88c5 # ProcCreation
      type: similar
    - id: 38a7625e-b2cb-485d-b83d-aff137d859f4 # PS Module
      type: similar
    - id: cacef8fc-9d3d-41f7-956d-455c6e881bc5 # PS ScriptBlock
      type: similar
status: test
description: Detects PowerShell module creation where the module Contents are set to "function Get-VMRemoteFXPhysicalVideoAdapter". This could be a sign of potential abuse of  the "RemoteFXvGPUDisablement.exe" binary which is known to be vulnerable to module load-order hijacking.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1218/T1218.md
    - https://github.com/redcanaryco/AtomicTestHarnesses/blob/7e1e4da116801e3d6fcc6bedb207064577e40572/TestHarnesses/T1218_SignedBinaryProxyExecution/InvokeRemoteFXvGPUDisablementCommand.ps1
author: frack113, Nasreddine Bencherchali (Nextron Systems)
date: 2021-07-13
modified: 2023-05-09
tags:
    - attack.stealth
    - attack.t1218
logsource:
    product: windows
    service: powershell-classic
    definition: fields have to be extract from event
detection:
    selection:
        Data|contains: 'ModuleContents=function Get-VMRemoteFXPhysicalVideoAdapter {'
    condition: selection
falsepositives:
    - Unknown
level: high

title: Invoke-Obfuscation Via Use Rundll32 - PowerShell Module
id: 88a22f69-62f9-4b8a-aa00-6b0212f2f05a
related:
    - id: a5a30a6e-75ca-4233-8b8c-42e0f2037d3b
      type: derived
status: test
description: Detects Obfuscated Powershell via use Rundll32 in Scripts
references:
    - https://github.com/SigmaHQ/sigma/issues/1009
author: Nikita Nazarov, oscd.community
date: 2019-10-08
modified: 2022-11-29
tags:
    - attack.stealth
    - attack.t1027
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    category: ps_module
    definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
detection:
    selection_4103:
        Payload|contains|all:
            - '&&'
            - 'rundll32'
            - 'shell32.dll'
            - 'shellexec_rundll'
        Payload|contains:
            - 'value'
            - 'invoke'
            - 'comspec'
            - 'iex'
    condition: selection_4103
falsepositives:
    - Unknown
level: high

title: Malicious PowerShell Scripts - PoshModule
id: 41025fd7-0466-4650-a813-574aaacbe7f4
related:
    - id: f331aa1f-8c53-4fc3-b083-cc159bc971cb
      type: similar
    - id: bf7286e7-c0be-460b-a7e8-5b2e07ecc2f2
      type: obsolete
status: test
description: Detects the execution of known offensive powershell scripts used for exploitation or reconnaissance
references:
    - https://github.com/PowerShellMafia/PowerSploit
    - https://github.com/NetSPI/PowerUpSQL
    - https://github.com/CsEnox/EventViewer-UACBypass
    - https://web.archive.org/web/20210511204621/https://github.com/AlsidOfficial/WSUSpendu
    - https://github.com/nettitude/Invoke-PowerThIEf
    - https://github.com/S3cur3Th1sSh1t/WinPwn
    - https://github.com/S3cur3Th1sSh1t/PowerSharpPack/tree/master/PowerSharpBinaries
    - https://github.com/BC-SECURITY/Invoke-ZeroLogon/blob/111d17c7fec486d9bb23387e2e828b09a26075e4/Invoke-ZeroLogon.ps1
    - https://github.com/xorrior/RandomPS-Scripts/blob/848c919bfce4e2d67b626cbcf4404341cfe3d3b6/Get-DXWebcamVideo.ps1
    - https://github.com/rvrsh3ll/Misc-Powershell-Scripts/blob/6f23bb41f9675d7e2d32bacccff75e931ae00554/OfficeMemScraper.ps1
    - https://github.com/dafthack/DomainPasswordSpray/blob/b13d64a5834694aa73fd2aea9911a83027c465a7/DomainPasswordSpray.ps1
    - https://unit42.paloaltonetworks.com/threat-assessment-black-basta-ransomware/ # Invoke-TotalExec
    - https://research.nccgroup.com/2022/06/06/shining-the-light-on-black-basta/ # Invoke-TotalExec
    - https://github.com/HarmJ0y/DAMP
    - https://github.com/samratashok/nishang
    - https://github.com/DarkCoderSc/PowerRunAsSystem/
    - https://github.com/besimorhino/powercat
    - https://github.com/sadshade/veeam-creds/blob/6010eaf31ba41011b58d6af3950cffbf6f5cea32/Veeam-Get-Creds.ps1
    - https://github.com/The-Viper-One/Invoke-PowerDPAPI/
    - https://github.com/Arno0x/DNSExfiltrator/
author: frack113, Nasreddine Bencherchali (Nextron Systems)
date: 2023-01-23
modified: 2025-12-10
tags:
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    category: ps_module
    definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
detection:
    selection_generic:
        ContextInfo|contains:
            - 'Add-ConstrainedDelegationBackdoor.ps1'
            - 'Add-Exfiltration.ps1'
            - 'Add-Persistence.ps1'
            - 'Add-RegBackdoor.ps1'
            - 'Add-RemoteRegBackdoor.ps1'
            - 'Add-ScrnSaveBackdoor.ps1'
            - 'BadSuccessor.ps1'
            - 'Check-VM.ps1'
            - 'ConvertTo-ROT13.ps1'
            - 'Copy-VSS.ps1'
            - 'Create-MultipleSessions.ps1'
            - 'DNS_TXT_Pwnage.ps1'
            - 'dnscat2.ps1'
            - 'Do-Exfiltration.ps1'
            - 'DomainPasswordSpray.ps1'
            - 'Download_Execute.ps1'
            - 'Download-Execute-PS.ps1'
            - 'Enabled-DuplicateToken.ps1'
            - 'Enable-DuplicateToken.ps1'
            - 'Execute-Command-MSSQL.ps1'
            - 'Execute-DNSTXT-Code.ps1'
            - 'Execute-OnTime.ps1'
            - 'ExetoText.ps1'
            - 'Exploit-Jboss.ps1'
            - 'Find-AVSignature.ps1'
            - 'Find-Fruit.ps1'
            - 'Find-GPOLocation.ps1'
            - 'Find-TrustedDocuments.ps1'
            - 'FireBuster.ps1'
            - 'FireListener.ps1'
            - 'Get-ApplicationHost.ps1'
            - 'Get-ChromeDump.ps1'
            - 'Get-ClipboardContents.ps1'
            - 'Get-ComputerDetail.ps1'
            - 'Get-FoxDump.ps1'
            - 'Get-GPPAutologon.ps1'
            - 'Get-GPPPassword.ps1'
            - 'Get-IndexedItem.ps1'
            - 'Get-Keystrokes.ps1'
            - 'Get-LSASecret.ps1'
            - 'Get-MicrophoneAudio.ps1'
            - 'Get-PassHashes.ps1'
            - 'Get-PassHints.ps1'
            - 'Get-RegAlwaysInstallElevated.ps1'
            - 'Get-RegAutoLogon.ps1'
            - 'Get-RickAstley.ps1'
            - 'Get-Screenshot.ps1'
            - 'Get-SecurityPackages.ps1'
            - 'Get-ServiceFilePermission.ps1'
            - 'Get-ServicePermission.ps1'
            - 'Get-ServiceUnquoted.ps1'
            - 'Get-SiteListPassword.ps1'
            - 'Get-System.ps1'
            - 'Get-TimedScreenshot.ps1'
            - 'Get-UnattendedInstallFile.ps1'
            - 'Get-Unconstrained.ps1'
            - 'Get-USBKeystrokes.ps1'
            - 'Get-VaultCredential.ps1'
            - 'Get-VulnAutoRun.ps1'
            - 'Get-VulnSchTask.ps1'
            - 'Get-WebConfig.ps1'
            - 'Get-WebCredentials.ps1'
            - 'Get-WLAN-Keys.ps1'
            - 'Gupt-Backdoor.ps1'
            - 'HTTP-Backdoor.ps1'
            - 'HTTP-Login.ps1'
            - 'Install-ServiceBinary.ps1'
            - 'Install-SSP.ps1'
            - 'Invoke-ACLScanner.ps1'
            - 'Invoke-ADSBackdoor.ps1'
            - 'Invoke-AmsiBypass.ps1'
            - 'Invoke-ARPScan.ps1'
            - 'Invoke-BackdoorLNK.ps1'
            - 'Invoke-BadPotato.ps1'
            - 'Invoke-BetterSafetyKatz.ps1'
            - 'Invoke-BruteForce.ps1'
            - 'Invoke-BypassUAC.ps1'
            - 'Invoke-Carbuncle.ps1'
            - 'Invoke-Certify.ps1'
            - 'Invoke-ConPtyShell.ps1'
            - 'Invoke-CredentialInjection.ps1'
            - 'Invoke-CredentialsPhish.ps1'
            - 'Invoke-DAFT.ps1'
            - 'Invoke-DCSync.ps1'
            - 'Invoke-Decode.ps1'
            - 'Invoke-DinvokeKatz.ps1'
            - 'Invoke-DllInjection.ps1'
            - 'Invoke-DNSExfiltrator.ps1'
            - 'Invoke-DowngradeAccount.ps1'
            - 'Invoke-EgressCheck.ps1'
            - 'Invoke-Encode.ps1'
            - 'Invoke-EventViewer.ps1'
            - 'Invoke-Eyewitness.ps1'
            - 'Invoke-FakeLogonScreen.ps1'
            - 'Invoke-Farmer.ps1'
            - 'Invoke-Get-RBCD-Threaded.ps1'
            - 'Invoke-Gopher.ps1'
            - 'Invoke-Grouper2.ps1'
            - 'Invoke-Grouper3.ps1'
            - 'Invoke-HandleKatz.ps1'
            - 'Invoke-Interceptor.ps1'
            - 'Invoke-Internalmonologue.ps1'
            - 'Invoke-Inveigh.ps1'
            - 'Invoke-InveighRelay.ps1'
            - 'Invoke-JSRatRegsvr.ps1'
            - 'Invoke-JSRatRundll.ps1'
            - 'Invoke-KrbRelay.ps1'
            - 'Invoke-KrbRelayUp.ps1'
            - 'Invoke-LdapSignCheck.ps1'
            - 'Invoke-Lockless.ps1'
            - 'Invoke-MalSCCM.ps1'
            - 'Invoke-Mimikatz.ps1'
            - 'Invoke-MimikatzWDigestDowngrade.ps1'
            - 'Invoke-Mimikittenz.ps1'
            - 'Invoke-MITM6.ps1'
            - 'Invoke-NanoDump.ps1'
            - 'Invoke-NetRipper.ps1'
            - 'Invoke-NetworkRelay.ps1'
            - 'Invoke-NinjaCopy.ps1'
            - 'Invoke-OxidResolver.ps1'
            - 'Invoke-P0wnedshell.ps1'
            - 'Invoke-P0wnedshellx86.ps1'
            - 'Invoke-Paranoia.ps1'
            - 'Invoke-PortScan.ps1'
            - 'Invoke-PoshRatHttp.ps1'
            - 'Invoke-PoshRatHttps.ps1'
            - 'Invoke-PostExfil.ps1'
            - 'Invoke-PowerDump.ps1'
            - 'Invoke-PowerDPAPI.ps1'
            - 'Invoke-PowerShellIcmp.ps1'
            - 'Invoke-PowerShellTCP.ps1'
            - 'Invoke-PowerShellTcpOneLine.ps1'
            - 'Invoke-PowerShellTcpOneLineBind.ps1'
            - 'Invoke-PowerShellUdp.ps1'
            - 'Invoke-PowerShellUdpOneLine.ps1'
            - 'Invoke-PowerShellWMI.ps1'
            - 'Invoke-PowerThIEf.ps1'
            - 'Invoke-PPLDump.ps1'
            - 'Invoke-Prasadhak.ps1'
            - 'Invoke-PsExec.ps1'
            - 'Invoke-PsGcat.ps1'
            - 'Invoke-PsGcatAgent.ps1'
            - 'Invoke-PSInject.ps1'
            - 'Invoke-PsUaCme.ps1'
            - 'Invoke-ReflectivePEInjection.ps1'
            - 'Invoke-ReverseDNSLookup.ps1'
            - 'Invoke-Rubeus.ps1'
            - 'Invoke-RunAs.ps1'
            - 'Invoke-SafetyKatz.ps1'
            - 'Invoke-SauronEye.ps1'
            - 'Invoke-SCShell.ps1'
            - 'Invoke-Seatbelt.ps1'
            - 'Invoke-ServiceAbuse.ps1'
            - 'Invoke-SessionGopher.ps1'
            - 'Invoke-ShellCode.ps1'
            - 'Invoke-SMBScanner.ps1'
            - 'Invoke-Snaffler.ps1'
            - 'Invoke-Spoolsample.ps1'
            - 'Invoke-SSHCommand.ps1'
            - 'Invoke-SSIDExfil.ps1'
            - 'Invoke-StandIn.ps1'
            - 'Invoke-StickyNotesExtract.ps1'
            - 'Invoke-Tater.ps1'
            - 'Invoke-Thunderfox.ps1'
            - 'Invoke-ThunderStruck.ps1'
            - 'Invoke-TokenManipulation.ps1'
            - 'Invoke-Tokenvator.ps1'
            - 'Invoke-TotalExec.ps1'
            - 'Invoke-UrbanBishop.ps1'
            - 'Invoke-UserHunter.ps1'
            - 'Invoke-VoiceTroll.ps1'
            - 'Invoke-Whisker.ps1'
            - 'Invoke-WinEnum.ps1'
            - 'Invoke-winPEAS.ps1'
            - 'Invoke-WireTap.ps1'
            - 'Invoke-WmiCommand.ps1'
            - 'Invoke-WScriptBypassUAC.ps1'
            - 'Invoke-Zerologon.ps1'
            - 'Keylogger.ps1'
            - 'MailRaider.ps1'
            - 'New-HoneyHash.ps1'
            - 'OfficeMemScraper.ps1'
            - 'Offline_Winpwn.ps1'
            - 'Out-CHM.ps1'
            - 'Out-DnsTxt.ps1'
            - 'Out-Excel.ps1'
            - 'Out-HTA.ps1'
            - 'Out-Java.ps1'
            - 'Out-JS.ps1'
            - 'Out-Minidump.ps1'
            - 'Out-RundllCommand.ps1'
            - 'Out-SCF.ps1'
            - 'Out-SCT.ps1'
            - 'Out-Shortcut.ps1'
            - 'Out-WebQuery.ps1'
            - 'Out-Word.ps1'
            - 'Parse_Keys.ps1'
            - 'Port-Scan.ps1'
            - 'PowerBreach.ps1'
            - 'powercat.ps1'
            - 'PowerRunAsSystem.psm1'
            - 'PowerSharpPack.ps1'
            - 'PowerUp.ps1'
            - 'PowerUpSQL.ps1'
            - 'PowerView.ps1'
            - 'PSAsyncShell.ps1'
            - 'RemoteHashRetrieval.ps1'
            - 'Remove-Persistence.ps1'
            - 'Remove-PoshRat.ps1'
            - 'Remove-Update.ps1'
            - 'Run-EXEonRemote.ps1'
            - 'Schtasks-Backdoor.ps1'
            - 'Set-DCShadowPermissions.ps1'
            - 'Set-MacAttribute.ps1'
            - 'Set-RemotePSRemoting.ps1'
            - 'Set-RemoteWMI.ps1'
            - 'Set-Wallpaper.ps1'
            - 'Show-TargetScreen.ps1'
            - 'Speak.ps1'
            - 'Start-CaptureServer.ps1'
            - 'Start-WebcamRecorder.ps1'
            - 'StringToBase64.ps1'
            - 'TexttoExe.ps1'
            - 'Veeam-Get-Creds.ps1'
            - 'VolumeShadowCopyTools.ps1'
            - 'WinPwn.ps1'
            - 'WSUSpendu.ps1'
    selection_invoke_sharp:
        ContextInfo|contains|all:
            - 'Invoke-Sharp' # Covers all "Invoke-Sharp" variants
            - '.ps1'
    condition: 1 of selection_*
falsepositives:
    - Unknown
level: high

title: Invoke-Obfuscation CLIP+ Launcher - PowerShell Module
id: a136cde0-61ad-4a61-9b82-8dc490e60dd2
related:
    - id: 73e67340-0d25-11eb-adc1-0242ac120002
      type: derived
status: test
description: Detects Obfuscated use of Clip.exe to execute PowerShell
references:
    - https://github.com/SigmaHQ/sigma/issues/1009  # (Task 26)
author: Jonathan Cheong, oscd.community
date: 2020-10-13
modified: 2024-04-05
tags:
    - attack.stealth
    - attack.t1027
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    category: ps_module
    definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
detection:
    selection_4103:
        Payload|re: 'cmd.{0,5}(?:/c|/r).+clip(?:\.exe)?.{0,4}&&.+clipboard]::\(\s\\"\{\d\}.+-f.+"'
    condition: selection_4103
falsepositives:
    - Unknown
level: high

title: Invoke-Obfuscation Via Use MSHTA - PowerShell Module
id: 07ad2ea8-6a55-4ac6-bf3e-91b8e59676eb
related:
    - id: e55a5195-4724-480e-a77e-3ebe64bd3759
      type: derived
status: test
description: Detects Obfuscated Powershell via use MSHTA in Scripts
references:
    - https://github.com/SigmaHQ/sigma/issues/1009 # (Task31)
author: Nikita Nazarov, oscd.community
date: 2020-10-08
modified: 2023-01-04
tags:
    - attack.stealth
    - attack.t1027
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    category: ps_module
    definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
detection:
    selection:
        Payload|contains|all:
            - 'set'
            - '&&'
            - 'mshta'
            - 'vbscript:createobject'
            - '.run'
            - '(window.close)'
    condition: selection
falsepositives:
    - Unknown
level: high

title: Suspicious PowerShell Invocations - Generic - PowerShell Module
id: bbb80e91-5746-4fbe-8898-122e2cafdbf4
related:
    - id: 3d304fda-78aa-43ed-975c-d740798a49c1
      type: derived
    - id: ed965133-513f-41d9-a441-e38076a0798f
      type: similar
status: test
description: Detects suspicious PowerShell invocation command parameters
references:
    - Internal Research
author: Florian Roth (Nextron Systems)
date: 2017-03-12
modified: 2023-01-03
tags:
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    category: ps_module
    definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
detection:
    selection_encoded:
        ContextInfo|contains:
            - ' -enc '
            - ' -EncodedCommand '
            - ' -ec '
    selection_hidden:
        ContextInfo|contains:
            - ' -w hidden '
            - ' -window hidden '
            - ' -windowstyle hidden '
            - ' -w 1 '
    selection_noninteractive:
        ContextInfo|contains:
            - ' -noni '
            - ' -noninteractive '
    condition: all of selection*
falsepositives:
    - Very special / sneaky PowerShell scripts
level: high

title: Remote PowerShell Session (PS Module)
id: 96b9f619-aa91-478f-bacb-c3e50f8df575
status: test
description: Detects remote PowerShell sessions
references:
    - https://threathunterplaybook.com/hunts/windows/190511-RemotePwshExecution/notebook.html
author: Roberto Rodriguez @Cyb3rWard0g, Tim Shelton
date: 2019-08-10
modified: 2023-01-20
tags:
    - attack.execution
    - attack.t1059.001
    - attack.lateral-movement
    - attack.t1021.006
logsource:
    product: windows
    category: ps_module
    definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
detection:
    selection:
        ContextInfo|contains|all:
            - ' = ServerRemoteHost ' #  HostName: 'ServerRemoteHost'  french : Nom d’hôte =
            - 'wsmprovhost.exe'      #  HostApplication|contains: 'wsmprovhost.exe' french  Application hôte =
    filter_pwsh_archive:
        ContextInfo|contains: '\Windows\system32\WindowsPowerShell\v1.0\Modules\Microsoft.PowerShell.Archive\Microsoft.PowerShell.Archive.psm1'
    condition: selection and not 1 of filter_*
falsepositives:
    - Legitimate use remote PowerShell sessions
level: high

title: Invoke-Obfuscation VAR++ LAUNCHER OBFUSCATION - PowerShell Module
id: f3c89218-8c3d-4ba9-9974-f1d8e6a1b4a6
related:
    - id: e54f5149-6ba3-49cf-b153-070d24679126
      type: derived
status: test
description: Detects Obfuscated Powershell via VAR++ LAUNCHER
references:
    - https://github.com/SigmaHQ/sigma/issues/1009 # (Task27)
author: Timur Zinniatullin, oscd.community
date: 2020-10-13
modified: 2024-04-05
tags:
    - attack.stealth
    - attack.t1027
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    category: ps_module
    definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
detection:
    selection_4103:
        Payload|re: '(?i)&&set.*(\{\d\}){2,}\\"\s+?-f.*&&.*cmd.*/c' # FPs with |\/r
    condition: selection_4103
falsepositives:
    - Unknown
level: high

title: Invoke-Obfuscation Obfuscated IEX Invocation - PowerShell Module
id: 2f211361-7dce-442d-b78a-c04039677378
related:
    - id: 1b9dc62e-6e9e-42a3-8990-94d7a10007f7
      type: derived
status: test
description: Detects all variations of obfuscated powershell IEX invocation code generated by Invoke-Obfuscation framework from the code block cited in the reference section below
references:
    - https://github.com/danielbohannon/Invoke-Obfuscation/blob/f20e7f843edd0a3a7716736e9eddfa423395dd26/Out-ObfuscatedStringCommand.ps1#L873-L888
author: Daniel Bohannon (@Mandiant/@FireEye), oscd.community
date: 2019-11-08
modified: 2022-12-31
tags:
    - attack.stealth
    - attack.t1027
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    category: ps_module
    definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
detection:
    selection_payload:
        - Payload|re: '\$PSHome\[\s*\d{1,3}\s*\]\s*\+\s*\$PSHome\['
        - Payload|re: '\$ShellId\[\s*\d{1,3}\s*\]\s*\+\s*\$ShellId\['
        - Payload|re: '\$env:Public\[\s*\d{1,3}\s*\]\s*\+\s*\$env:Public\['
        - Payload|re: '\$env:ComSpec\[(\s*\d{1,3}\s*,){2}'
        - Payload|re: '\*mdr\*\W\s*\)\.Name'
        - Payload|re: '\$VerbosePreference\.ToString\('
        - Payload|re: '\[String\]\s*\$VerbosePreference'
    condition: selection_payload
falsepositives:
    - Unknown
level: high

title: Invoke-Obfuscation STDIN+ Launcher - PowerShell Module
id: 9ac8b09b-45de-4a07-9da1-0de8c09304a3
related:
    - id: 779c8c12-0eb1-11eb-adc1-0242ac120002
      type: derived
status: test
description: Detects Obfuscated use of stdin to execute PowerShell
references:
    - https://github.com/SigmaHQ/sigma/issues/1009  # (Task 25)
author: Jonathan Cheong, oscd.community
date: 2020-10-15
modified: 2024-04-05
tags:
    - attack.stealth
    - attack.t1027
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    category: ps_module
    definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
detection:
    selection_4103:
        Payload|re: 'cmd.{0,5}(?:/c|/r).+powershell.+(?:\$\{?input\}?|noexit).+"'
    condition: selection_4103
falsepositives:
    - Unknown
level: high

title: Invoke-Obfuscation VAR+ Launcher - PowerShell Module
id: 6bfb8fa7-b2e7-4f6c-8d9d-824e5d06ea9e
related:
    - id: 0adfbc14-0ed1-11eb-adc1-0242ac120002
      type: derived
status: test
description: Detects Obfuscated use of Environment Variables to execute PowerShell
references:
    - https://github.com/SigmaHQ/sigma/issues/1009  # (Task 24)
author: Jonathan Cheong, oscd.community
date: 2020-10-15
modified: 2024-04-05
tags:
    - attack.stealth
    - attack.t1027
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    category: ps_module
    definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
detection:
    selection_4103:
        Payload|re: 'cmd.{0,5}(?:/c|/r)(?:\s|)"set\s[a-zA-Z]{3,6}.*(?:\{\d\}){1,}\\"\s+?-f(?:.*\)){1,}.*"'
    condition: selection_4103
falsepositives:
    - Unknown
level: high

title: Potential RemoteFXvGPUDisablement.EXE Abuse - PowerShell Module
id: 38a7625e-b2cb-485d-b83d-aff137d859f4
related:
    - id: a6fc3c46-23b8-4996-9ea2-573f4c4d88c5 # ProcCreation
      type: similar
    - id: f65e22f9-819e-4f96-9c7b-498364ae7a25 # PS Classic
      type: similar
    - id: cacef8fc-9d3d-41f7-956d-455c6e881bc5 # PS ScriptBlock
      type: similar
status: test
description: Detects PowerShell module creation where the module Contents are set to "function Get-VMRemoteFXPhysicalVideoAdapter". This could be a sign of potential abuse of the "RemoteFXvGPUDisablement.exe" binary which is known to be vulnerable to module load-order hijacking.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1218/T1218.md
    - https://github.com/redcanaryco/AtomicTestHarnesses/blob/7e1e4da116801e3d6fcc6bedb207064577e40572/TestHarnesses/T1218_SignedBinaryProxyExecution/InvokeRemoteFXvGPUDisablementCommand.ps1
author: Nasreddine Bencherchali (Nextron Systems), frack113
date: 2021-07-13
modified: 2023-05-09
tags:
    - attack.stealth
    - attack.t1218
logsource:
    product: windows
    category: ps_module
    definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
detection:
    selection:
        Payload|contains: 'ModuleContents=function Get-VMRemoteFXPhysicalVideoAdapter {'
    condition: selection
falsepositives:
    - Unknown
level: high

title: Suspicious PowerShell Invocations - Specific - PowerShell Module
id: 8ff28fdd-e2fa-4dfa-aeda-ef3d61c62090
related:
    - id: fce5f582-cc00-41e1-941a-c6fabf0fdb8c
      type: obsolete
    - id: ae7fbf8e-f3cb-49fd-8db4-5f3bed522c71
      type: similar
    - id: 536e2947-3729-478c-9903-745aaffe60d2
      type: similar
status: test
description: Detects suspicious PowerShell invocation command parameters
references:
    - Internal Research
    - https://github.com/HackTricks-wiki/hacktricks/blob/e4c7b21b8f36c97c35b7c622732b38a189ce18f7/src/windows-hardening/windows-local-privilege-escalation/privilege-escalation-with-autorun-binaries.md
author: Florian Roth (Nextron Systems), Jonhnathan Ribeiro
date: 2017-03-05
modified: 2025-02-17
tags:
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    category: ps_module
    definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
detection:
    selection_convert_b64:
        ContextInfo|contains|all:
            - '-nop'
            - ' -w '
            - 'hidden'
            - ' -c '
            - '[Convert]::FromBase64String'
    selection_iex:
        ContextInfo|contains|all:
            - ' -w '
            - 'hidden'
            - '-noni'
            - '-nop'
            - ' -c '
            - 'iex'
            - 'New-Object'
    selection_enc:
        ContextInfo|contains|all:
            - ' -w '
            - 'hidden'
            - '-ep'
            - 'bypass'
            - '-Enc'
    selection_reg:
        ContextInfo|contains|all:
            - 'powershell'
            - 'reg'
            - 'add'
        ContextInfo|contains:
            - '\software\microsoft\windows\currentversion\run'
            - '\software\wow6432node\microsoft\windows\currentversion\run'
            - '\software\microsoft\windows\currentversion\policies\explorer\run'
    selection_webclient:
        ContextInfo|contains|all:
            - 'bypass'
            - '-noprofile'
            - '-windowstyle'
            - 'hidden'
            - 'new-object'
            - 'system.net.webclient'
            - '.download'
    selection_iex_webclient:
        ContextInfo|contains|all:
            - 'iex'
            - 'New-Object'
            - 'Net.WebClient'
            - '.Download'
    filter_chocolatey:
        ContextInfo|contains:
            - "(New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1"
            - 'Write-ChocolateyWarning'
    condition: 1 of selection_* and not 1 of filter_*
falsepositives:
    - Unknown
level: high

title: Invoke-Obfuscation Via Stdin - PowerShell Module
id: c72aca44-8d52-45ad-8f81-f96c4d3c755e
related:
    - id: 86b896ba-ffa1-4fea-83e3-ee28a4c915c7
      type: derived
status: test
description: Detects Obfuscated Powershell via Stdin in Scripts
references:
    - https://github.com/SigmaHQ/sigma/issues/1009  # (Task28)
author: Nikita Nazarov, oscd.community
date: 2020-10-12
modified: 2024-04-05
tags:
    - attack.stealth
    - attack.t1027
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    category: ps_module
    definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
detection:
    selection_4103:
        Payload|re: '(?i)(set).*&&\s?set.*(environment|invoke|\$?\{?input).*&&.*"'
    condition: selection_4103
falsepositives:
    - Unknown
level: high

title: Invoke-Obfuscation Via Use Clip - PowerShell Module
id: ebdf49d8-b89c-46c9-8fdf-2c308406f6bd
related:
    - id: db92dd33-a3ad-49cf-8c2c-608c3e30ace0
      type: derived
status: test
description: Detects Obfuscated Powershell via use Clip.exe in Scripts
references:
    - https://github.com/SigmaHQ/sigma/issues/1009  # (Task29)
author: Nikita Nazarov, oscd.community
date: 2020-10-09
modified: 2024-04-05
tags:
    - attack.stealth
    - attack.t1027
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    category: ps_module
    definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
detection:
    selection_4103:
        Payload|re: '(?i)echo.*clip.*&&.*(Clipboard|i`?n`?v`?o`?k`?e`?)'
    condition: selection_4103
falsepositives:
    - Unknown
level: high

title: Malicious PowerShell Commandlets - PoshModule
id: 7d0d0329-0ef1-4e84-a9f5-49500f9d7c6c
related:
    - id: 89819aa4-bbd6-46bc-88ec-c7f7fe30efa6
      type: similar
    - id: 02030f2f-6199-49ec-b258-ea71b07e03dc
      type: similar
status: test
description: Detects Commandlet names from well-known PowerShell exploitation frameworks
references:
    - https://adsecurity.org/?p=2921
    - https://github.com/S3cur3Th1sSh1t/PowerSharpPack/tree/master/PowerSharpBinaries
    - https://github.com/BC-SECURITY/Invoke-ZeroLogon/blob/111d17c7fec486d9bb23387e2e828b09a26075e4/Invoke-ZeroLogon.ps1
    - https://github.com/xorrior/RandomPS-Scripts/blob/848c919bfce4e2d67b626cbcf4404341cfe3d3b6/Get-DXWebcamVideo.ps1
    - https://github.com/rvrsh3ll/Misc-Powershell-Scripts/blob/6f23bb41f9675d7e2d32bacccff75e931ae00554/OfficeMemScraper.ps1
    - https://github.com/dafthack/DomainPasswordSpray/blob/b13d64a5834694aa73fd2aea9911a83027c465a7/DomainPasswordSpray.ps1
    - https://unit42.paloaltonetworks.com/threat-assessment-black-basta-ransomware/ # Invoke-TotalExec
    - https://research.nccgroup.com/2022/06/06/shining-the-light-on-black-basta/ # Invoke-TotalExec
    - https://github.com/calebstewart/CVE-2021-1675 # Invoke-Nightmare
    - https://github.com/BloodHoundAD/BloodHound/blob/0927441f67161cc6dc08a53c63ceb8e333f55874/Collectors/AzureHound.ps1
    - https://bloodhound.readthedocs.io/en/latest/data-collection/azurehound.html
    - https://github.com/HarmJ0y/DAMP
    - https://github.com/samratashok/nishang
    - https://github.com/DarkCoderSc/PowerRunAsSystem/
    - https://github.com/besimorhino/powercat
    - https://github.com/Kevin-Robertson/Powermad
    - https://github.com/adrecon/ADRecon
    - https://github.com/adrecon/AzureADRecon
    - https://github.com/sadshade/veeam-creds/blob/6010eaf31ba41011b58d6af3950cffbf6f5cea32/Veeam-Get-Creds.ps1
    - https://github.com/The-Viper-One/Invoke-PowerDPAPI/
    - https://github.com/Arno0x/DNSExfiltrator/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-01-20
modified: 2025-12-10
tags:
    - attack.execution
    - attack.discovery
    - attack.t1482
    - attack.t1087
    - attack.t1087.001
    - attack.t1087.002
    - attack.t1069.001
    - attack.t1069.002
    - attack.t1069
    - attack.t1059.001
logsource:
    product: windows
    category: ps_module
    definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
detection:
    selection:
        Payload|contains:
            # Note: Please ensure alphabetical order when adding new entries
            - 'Add-Exfiltration'
            - 'Add-Persistence'
            - 'Add-RegBackdoor'
            - 'Add-RemoteRegBackdoor'
            - 'Add-ScrnSaveBackdoor'
            - 'BadSuccessor'
            - 'Check-VM'
            - 'ConvertTo-Rc4ByteStream'
            - 'Decrypt-Hash'
            - 'Disable-ADIDNSNode'
            - 'Disable-MachineAccount'
            - 'Do-Exfiltration'
            - 'Enable-ADIDNSNode'
            - 'Enable-MachineAccount'
            - 'Enabled-DuplicateToken'
            - 'Exploit-Jboss'
            - 'Export-ADR' # # ADRecon related cmdlets
            - 'Export-ADRCSV' # # ADRecon related cmdlets
            - 'Export-ADRExcel' # # ADRecon related cmdlets
            - 'Export-ADRHTML' # # ADRecon related cmdlets
            - 'Export-ADRJSON' # # ADRecon related cmdlets
            - 'Export-ADRXML' # # ADRecon related cmdlets
            - 'Find-Fruit'
            - 'Find-GPOLocation'
            - 'Find-TrustedDocuments'
            - 'Get-ADIDNS' # Covers: Get-ADIDNSNodeAttribute, Get-ADIDNSNodeOwner, Get-ADIDNSNodeTombstoned, Get-ADIDNSPermission, Get-ADIDNSZone
            - 'Get-ApplicationHost'
            - 'Get-ChromeDump'
            - 'Get-ClipboardContents'
            - 'Get-FoxDump'
            - 'Get-GPPPassword'
            - 'Get-IndexedItem'
            - 'Get-KerberosAESKey'
            - 'Get-Keystrokes'
            - 'Get-LSASecret'
            - 'Get-MachineAccountAttribute'
            - 'Get-MachineAccountCreator'
            - 'Get-PassHashes'
            - 'Get-RegAlwaysInstallElevated'
            - 'Get-RegAutoLogon'
            - 'Get-RemoteBootKey'
            - 'Get-RemoteCachedCredential'
            - 'Get-RemoteLocalAccountHash'
            - 'Get-RemoteLSAKey'
            - 'Get-RemoteMachineAccountHash'
            - 'Get-RemoteNLKMKey'
            - 'Get-RickAstley'
            - 'Get-Screenshot'
            - 'Get-SecurityPackages'
            - 'Get-ServiceFilePermission'
            - 'Get-ServicePermission'
            - 'Get-ServiceUnquoted'
            - 'Get-SiteListPassword'
            - 'Get-System'
            - 'Get-TimedScreenshot'
            - 'Get-UnattendedInstallFile'
            - 'Get-Unconstrained'
            - 'Get-USBKeystrokes'
            - 'Get-VaultCredential'
            - 'Get-VulnAutoRun'
            - 'Get-VulnSchTask'
            - 'Grant-ADIDNSPermission'
            - 'Gupt-Backdoor'
            - 'HTTP-Login'
            - 'Install-ServiceBinary'
            - 'Install-SSP'
            - 'Invoke-ACLScanner'
            - 'Invoke-ADRecon' # # ADRecon related cmdlets
            - 'Invoke-ADSBackdoor'
            - 'Invoke-AgentSmith'
            - 'Invoke-AllChecks'
            - 'Invoke-ARPScan'
            - 'Invoke-AzureHound'
            - 'Invoke-BackdoorLNK'
            - 'Invoke-BadPotato'
            - 'Invoke-BetterSafetyKatz'
            - 'Invoke-BypassUAC'
            - 'Invoke-Carbuncle'
            - 'Invoke-Certify'
            - 'Invoke-ConPtyShell'
            - 'Invoke-CredentialInjection'
            - 'Invoke-DAFT'
            - 'Invoke-DCSync'
            - 'Invoke-DinvokeKatz'
            - 'Invoke-DllInjection'
            - 'Invoke-DNSUpdate'
            - 'Invoke-DNSExfiltrator'
            - 'Invoke-DomainPasswordSpray'
            - 'Invoke-DowngradeAccount'
            - 'Invoke-EgressCheck'
            - 'Invoke-Eyewitness'
            - 'Invoke-FakeLogonScreen'
            - 'Invoke-Farmer'
            - 'Invoke-Get-RBCD-Threaded'
            - 'Invoke-Gopher'
            - 'Invoke-Grouper' # Also Covers Invoke-GrouperX
            - 'Invoke-HandleKatz'
            - 'Invoke-ImpersonatedProcess'
            - 'Invoke-ImpersonateSystem'
            - 'Invoke-InteractiveSystemPowerShell'
            - 'Invoke-Internalmonologue'
            - 'Invoke-Inveigh'
            - 'Invoke-InveighRelay'
            - 'Invoke-KrbRelay'
            - 'Invoke-LdapSignCheck'
            - 'Invoke-Lockless'
            - 'Invoke-MalSCCM'
            - 'Invoke-Mimikatz'
            - 'Invoke-Mimikittenz'
            - 'Invoke-MITM6'
            - 'Invoke-NanoDump'
            - 'Invoke-NetRipper'
            - 'Invoke-Nightmare'
            - 'Invoke-NinjaCopy'
            - 'Invoke-OfficeScrape'
            - 'Invoke-OxidResolver'
            - 'Invoke-P0wnedshell'
            - 'Invoke-Paranoia'
            - 'Invoke-PortScan'
            - 'Invoke-PoshRatHttp' # Also Covers Invoke-PoshRatHttps
            - 'Invoke-PostExfil'
            - 'Invoke-PowerDump'
            - 'Invoke-PowerDPAPI'
            - 'Invoke-PowerShellTCP'
            - 'Invoke-PowerShellWMI'
            - 'Invoke-PPLDump'
            - 'Invoke-PsExec'
            - 'Invoke-PSInject'
            - 'Invoke-PsUaCme'
            - 'Invoke-ReflectivePEInjection'
            - 'Invoke-ReverseDNSLookup'
            - 'Invoke-Rubeus'
            - 'Invoke-RunAs'
            - 'Invoke-SafetyKatz'
            - 'Invoke-SauronEye'
            - 'Invoke-SCShell'
            - 'Invoke-Seatbelt'
            - 'Invoke-ServiceAbuse'
            - 'Invoke-ShadowSpray'
            - 'Invoke-Sharp' # Covers all "Invoke-Sharp" variants
            - 'Invoke-Shellcode'
            - 'Invoke-SMBScanner'
            - 'Invoke-Snaffler'
            - 'Invoke-Spoolsample'
            - 'Invoke-SpraySinglePassword'
            - 'Invoke-SSHCommand'
            - 'Invoke-StandIn'
            - 'Invoke-StickyNotesExtract'
            - 'Invoke-SystemCommand'
            - 'Invoke-Tasksbackdoor'
            - 'Invoke-Tater'
            - 'Invoke-Thunderfox'
            - 'Invoke-ThunderStruck'
            - 'Invoke-TokenManipulation'
            - 'Invoke-Tokenvator'
            - 'Invoke-TotalExec'
            - 'Invoke-UrbanBishop'
            - 'Invoke-UserHunter'
            - 'Invoke-VoiceTroll'
            - 'Invoke-Whisker'
            - 'Invoke-WinEnum'
            - 'Invoke-winPEAS'
            - 'Invoke-WireTap'
            - 'Invoke-WmiCommand'
            - 'Invoke-WMIExec'
            - 'Invoke-WScriptBypassUAC'
            - 'Invoke-Zerologon'
            - 'MailRaider'
            - 'New-ADIDNSNode'
            - 'New-DNSRecordArray'
            - 'New-HoneyHash'
            - 'New-InMemoryModule'
            - 'New-MachineAccount'
            - 'New-SOASerialNumberArray'
            - 'Out-Minidump'
            - 'Port-Scan'
            - 'PowerBreach'
            - 'powercat '
            - 'PowerUp'
            - 'PowerView'
            - 'Remove-ADIDNSNode'
            - 'Remove-MachineAccount'
            - 'Remove-Update'
            - 'Rename-ADIDNSNode'
            - 'Revoke-ADIDNSPermission'
            - 'Set-ADIDNSNode' # Covers: Set-ADIDNSNodeAttribute, Set-ADIDNSNodeOwner
            - 'Set-MacAttribute'
            - 'Set-MachineAccountAttribute'
            - 'Set-Wallpaper'
            - 'Show-TargetScreen'
            - 'Start-CaptureServer'
            - 'Start-Dnscat2'
            - 'Start-WebcamRecorder'
            - 'Veeam-Get-Creds'
            - 'VolumeShadowCopyTools'
    condition: selection
falsepositives:
    - Unknown
level: high