Sigma rules for DarkGate Operators
500 rules · scoped to actor · back to DarkGate Operators
Direct rules mention this entity in their title or description. Related rules cover the techniques this entity is known to use.
title: Roles Assigned Outside PIM
id: b1bc08d1-8224-4758-a0e6-fbcfc98c73bb
status: test
description: Identifies when a privilege role assignment has taken place outside of PIM and may indicate an attack.
references:
- https://learn.microsoft.com/en-us/entra/id-governance/privileged-identity-management/pim-how-to-configure-security-alerts#roles-are-being-assigned-outside-of-privileged-identity-management
author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'
date: 2023-09-14
tags:
- attack.initial-access
- attack.stealth
- attack.t1078
- attack.persistence
- attack.privilege-escalation
logsource:
product: azure
service: pim
detection:
selection:
riskEventType: 'rolesAssignedOutsidePrivilegedIdentityManagementAlertConfiguration'
condition: selection
falsepositives:
- Investigate where users are being assigned privileged roles outside of Privileged Identity Management and prohibit future assignments from there.
level: high
title: Roles Activated Too Frequently
id: 645fd80d-6c07-435b-9e06-7bc1b5656cba
status: test
description: Identifies when the same privilege role has multiple activations by the same user.
references:
- https://learn.microsoft.com/en-us/entra/id-governance/privileged-identity-management/pim-how-to-configure-security-alerts#roles-are-being-activated-too-frequently
author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'
date: 2023-09-14
tags:
- attack.initial-access
- attack.stealth
- attack.t1078
- attack.persistence
- attack.privilege-escalation
logsource:
product: azure
service: pim
detection:
selection:
riskEventType: 'sequentialActivationRenewalsAlertIncident'
condition: selection
falsepositives:
- Investigate where if active time period for a role is set too short.
level: high
title: Roles Activation Doesn't Require MFA
id: 94a66f46-5b64-46ce-80b2-75dcbe627cc0
status: test
description: Identifies when a privilege role can be activated without performing mfa.
references:
- https://learn.microsoft.com/en-us/entra/id-governance/privileged-identity-management/pim-how-to-configure-security-alerts#roles-dont-require-multi-factor-authentication-for-activation
author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'
date: 2023-09-14
tags:
- attack.initial-access
- attack.stealth
- attack.t1078
- attack.persistence
- attack.privilege-escalation
logsource:
product: azure
service: pim
detection:
selection:
riskEventType: 'noMfaOnRoleActivationAlertIncident'
condition: selection
falsepositives:
- Investigate if user is performing MFA at sign-in.
level: high
title: Too Many Global Admins
id: 7bbc309f-e2b1-4eb1-8369-131a367d67d3
status: test
description: Identifies an event where there are there are too many accounts assigned the Global Administrator role.
references:
- https://learn.microsoft.com/en-us/entra/id-governance/privileged-identity-management/pim-how-to-configure-security-alerts#there-are-too-many-global-administrators
author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'
date: 2023-09-14
tags:
- attack.initial-access
- attack.stealth
- attack.t1078
- attack.persistence
- attack.privilege-escalation
logsource:
product: azure
service: pim
detection:
selection:
riskEventType: 'tooManyGlobalAdminsAssignedToTenantAlertIncident'
condition: selection
falsepositives:
- Investigate if threshold setting in PIM is too low.
level: high
title: Stale Accounts In A Privileged Role
id: e402c26a-267a-45bd-9615-bd9ceda6da85
status: test
description: Identifies when an account hasn't signed in during the past n number of days.
references:
- https://learn.microsoft.com/en-us/entra/id-governance/privileged-identity-management/pim-how-to-configure-security-alerts#potential-stale-accounts-in-a-privileged-role
author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'
date: 2023-09-14
tags:
- attack.initial-access
- attack.stealth
- attack.t1078
- attack.persistence
- attack.privilege-escalation
logsource:
product: azure
service: pim
detection:
selection:
riskEventType: 'staleSignInAlertIncident'
condition: selection
falsepositives:
- Investigate if potential generic account that cannot be removed.
level: high
title: Roles Are Not Being Used
id: 8c6ec464-4ae4-43ac-936a-291da66ed13d
status: test
description: Identifies when a user has been assigned a privilege role and are not using that role.
references:
- https://learn.microsoft.com/en-us/entra/id-governance/privileged-identity-management/pim-how-to-configure-security-alerts#administrators-arent-using-their-privileged-roles
author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'
date: 2023-09-14
tags:
- attack.initial-access
- attack.stealth
- attack.t1078
- attack.persistence
- attack.privilege-escalation
logsource:
product: azure
service: pim
detection:
selection:
riskEventType: 'redundantAssignmentAlertIncident'
condition: selection
falsepositives:
- Investigate if potential generic account that cannot be removed.
level: high
title: Invalid PIM License
id: 58af08eb-f9e1-43c8-9805-3ad9b0482bd8
status: test
description: Identifies when an organization doesn't have the proper license for PIM and is out of compliance.
references:
- https://learn.microsoft.com/en-us/entra/id-governance/privileged-identity-management/pim-how-to-configure-security-alerts#the-organization-doesnt-have-microsoft-entra-premium-p2-or-microsoft-entra-id-governance
author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'
date: 2023-09-14
tags:
- attack.initial-access
- attack.stealth
- attack.t1078
- attack.persistence
- attack.privilege-escalation
logsource:
product: azure
service: pim
detection:
selection:
riskEventType: 'invalidLicenseAlertIncident'
condition: selection
falsepositives:
- Investigate if licenses have expired.
level: high
title: PIM Alert Setting Changes To Disabled
id: aeaef14c-e5bf-4690-a9c8-835caad458bd
status: test
description: Detects when PIM alerts are set to disabled.
references:
- https://learn.microsoft.com/en-us/entra/architecture/security-operations-privileged-identity-management#azure-ad-roles-assignment
author: Mark Morowczynski '@markmorow', Yochana Henderson, '@Yochana-H'
date: 2022-08-09
tags:
- attack.initial-access
- attack.persistence
- attack.privilege-escalation
- attack.stealth
- attack.t1078
logsource:
product: azure
service: auditlogs
detection:
selection:
properties.message: Disable PIM Alert
condition: selection
falsepositives:
- Administrator disabling PIM alerts as an active choice.
level: high
title: Azure Subscription Permission Elevation Via AuditLogs
id: ca9bf243-465e-494a-9e54-bf9fc239057d
status: test
description: |
Detects when a user has been elevated to manage all Azure Subscriptions.
This change should be investigated immediately if it isn't planned.
This setting could allow an attacker access to Azure subscriptions in your environment.
references:
- https://learn.microsoft.com/en-us/entra/architecture/security-operations-privileged-accounts#assignment-and-elevation
author: Austin Songer @austinsonger
date: 2021-11-26
modified: 2022-12-25
tags:
- attack.privilege-escalation
- attack.persistence
- attack.initial-access
- attack.stealth
- attack.t1078
logsource:
product: azure
service: auditlogs
detection:
selection:
Category: 'Administrative'
OperationName: 'Assigns the caller to user access admin'
condition: selection
falsepositives:
- If this was approved by System Administrator.
level: high
title: Account Created And Deleted Within A Close Time Frame
id: 6f583da0-3a90-4566-a4ed-83c09fe18bbf
status: test
description: Detects when an account was created and deleted in a short period of time.
references:
- https://learn.microsoft.com/en-us/entra/architecture/security-operations-user-accounts#short-lived-accounts
author: Mark Morowczynski '@markmorow', MikeDuddington, '@dudders1', Tim Shelton
date: 2022-08-11
modified: 2022-08-18
tags:
- attack.privilege-escalation
- attack.persistence
- attack.initial-access
- attack.stealth
- attack.t1078
logsource:
product: azure
service: auditlogs
detection:
selection:
properties.message:
- Add user
- Delete user
Status: Success
condition: selection
falsepositives:
- Legit administrative action
level: high
title: Azure Login Bypassing Conditional Access Policies
id: 13f2d3f5-6497-44a7-bf5f-dc13ffafe5dc
status: experimental
description: |
Detects a successful login to the Microsoft Intune Company Portal which could allow bypassing Conditional Access Policies and InTune device trust using a tool like TokenSmith.
author: Josh Nickels, Marius Rothenbücher
references:
- https://labs.jumpsec.com/tokensmith-bypassing-intune-compliant-device-conditional-access/
- https://github.com/JumpsecLabs/TokenSmith
date: 2025-01-08
tags:
- attack.privilege-escalation
- attack.persistence
- attack.initial-access
- attack.stealth
- attack.t1078
logsource:
service: audit
product: m365
detection:
selection:
Operation: 'UserLoggedIn'
ApplicationId: '9ba1a5c7-f17a-4de9-a1f1-6178c8d51223'
ResultStatus: 'Success'
RequestType: 'Cmsi:Cmsi'
filter_main_bjectid:
ObjectId: '0000000a-0000-0000-c000-000000000000' # Microsoft Intune seen when mobile devices are enrolled
condition: selection and not 1 of filter_main_*
falsepositives:
- Unknown
level: high
title: External Remote SMB Logon from Public IP
id: 78d5cab4-557e-454f-9fb9-a222bd0d5edc
related:
- id: 259a9cdf-c4dd-4fa2-b243-2269e5ab18a2
type: derived
status: test
description: Detects successful logon from public IP address via SMB. This can indicate a publicly-exposed SMB port.
references:
- https://www.inversecos.com/2020/04/successful-4624-anonymous-logons-to.html
- https://twitter.com/Purp1eW0lf/status/1616144561965002752
author: Micah Babinski (@micahbabinski), Zach Mathis (@yamatosecurity)
date: 2023-01-19
modified: 2024-03-11
tags:
- attack.privilege-escalation
- attack.persistence
- attack.initial-access
- attack.credential-access
- attack.stealth
- attack.t1133
- attack.t1078
- attack.t1110
logsource:
product: windows
service: security
detection:
selection:
EventID: 4624
LogonType: 3
filter_main_local_ranges:
IpAddress|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'
- 'fc00::/7' # IPv6 private addresses
- 'fe80::/10' # IPv6 link-local addresses
filter_main_empty:
IpAddress: '-'
condition: selection and not 1 of filter_main_*
falsepositives:
- Legitimate or intentional inbound connections from public IP addresses on the SMB port.
level: high
title: Potential GobRAT File Discovery Via Grep
id: e34cfa0c-0a50-4210-9cb3-5632d08eb041
status: test
description: Detects the use of grep to discover specific files created by the GobRAT malware
references:
- https://blogs.jpcert.or.jp/en/2023/05/gobrat.html
- https://www.virustotal.com/gui/file/60bcd645450e4c846238cf0e7226dc40c84c96eba99f6b2cffcd0ab4a391c8b3/detection
- https://www.virustotal.com/gui/file/3e44c807a25a56f4068b5b8186eee5002eed6f26d665a8b791c472ad154585d1/detection
author: Joseliyo Sanchez, @Joseliyo_Jstnk
date: 2023-06-02
tags:
- attack.discovery
- attack.t1082
logsource:
category: process_creation
product: linux
detection:
selection:
Image|endswith: '/grep'
CommandLine|contains:
- 'apached'
- 'frpc'
- 'sshd.sh'
- 'zone.arm'
condition: selection
falsepositives:
- Unknown
level: high
title: HackTool - WinPwn Execution - ScriptBlock
id: 851fd622-b675-4d26-b803-14bc7baa517a
related:
- id: d557dc06-62e8-4468-a8e8-7984124908ce
type: similar
status: test
description: |
Detects scriptblock text keywords indicative of potential usge of the tool WinPwn. A tool for Windows and Active Directory reconnaissance and exploitation.
author: Swachchhanda Shrawan Poudel
date: 2023-12-04
references:
- https://github.com/S3cur3Th1sSh1t/WinPwn
- https://www.publicnow.com/view/EB87DB49C654D9B63995FAD4C9DE3D3CC4F6C3ED?1671634841
- https://reconshell.com/winpwn-tool-for-internal-windows-pentesting-and-ad-security/
- https://github.com/redcanaryco/atomic-red-team/blob/4d6c4e8e23d465af7a2388620cfe3f8c76e16cf0/atomics/T1082/T1082.md
- https://grep.app/search?q=winpwn&filter[repo][0]=redcanaryco/atomic-red-team
tags:
- attack.credential-access
- attack.discovery
- attack.execution
- attack.privilege-escalation
- attack.t1046
- attack.t1082
- attack.t1106
- attack.t1518
- attack.t1548.002
- attack.t1552.001
- attack.t1555
- attack.t1555.003
logsource:
category: ps_script
product: windows
definition: 'Requirements: Script Block Logging must be enabled'
detection:
selection:
ScriptBlockText|contains:
- 'Offline_Winpwn'
- 'WinPwn '
- 'WinPwn.exe'
- 'WinPwn.ps1'
condition: selection
falsepositives:
- As the script block is a blob of text. False positive may occur with scripts that contain the keyword as a reference or simply use it for detection.
level: high
title: Suspicious Kernel Dump Using Dtrace
id: 7124aebe-4cd7-4ccb-8df0-6d6b93c96795
status: test
description: Detects suspicious way to dump the kernel on Windows systems using dtrace.exe, which is available on Windows systems since Windows 10 19H1
references:
- https://twitter.com/0gtweet/status/1474899714290208777?s=12
- https://learn.microsoft.com/en-us/windows-hardware/drivers/devtest/dtrace
author: Florian Roth (Nextron Systems)
date: 2021-12-28
tags:
- attack.discovery
- attack.t1082
logsource:
product: windows
category: process_creation
detection:
selection_plain:
Image|endswith: '\dtrace.exe'
CommandLine|contains: 'lkd(0)'
selection_obfuscated:
CommandLine|contains|all:
- 'syscall:::return'
- 'lkd('
condition: 1 of selection*
falsepositives:
- Unknown
level: high
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_dtrace_kernel_dump/info.yml
title: HackTool - WinPwn Execution
id: d557dc06-62e8-4468-a8e8-7984124908ce
related:
- id: 851fd622-b675-4d26-b803-14bc7baa517a
type: similar
status: test
description: |
Detects commandline keywords indicative of potential usge of the tool WinPwn. A tool for Windows and Active Directory reconnaissance and exploitation.
author: Swachchhanda Shrawan Poudel
date: 2023-12-04
references:
- https://github.com/S3cur3Th1sSh1t/WinPwn
- https://www.publicnow.com/view/EB87DB49C654D9B63995FAD4C9DE3D3CC4F6C3ED?1671634841
- https://reconshell.com/winpwn-tool-for-internal-windows-pentesting-and-ad-security/
- https://github.com/redcanaryco/atomic-red-team/blob/4d6c4e8e23d465af7a2388620cfe3f8c76e16cf0/atomics/T1082/T1082.md
- https://grep.app/search?q=winpwn&filter[repo][0]=redcanaryco/atomic-red-team
tags:
- attack.credential-access
- attack.discovery
- attack.execution
- attack.privilege-escalation
- attack.t1046
- attack.t1082
- attack.t1106
- attack.t1518
- attack.t1548.002
- attack.t1552.001
- attack.t1555
- attack.t1555.003
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains:
- 'Offline_Winpwn'
- 'WinPwn '
- 'WinPwn.exe'
- 'WinPwn.ps1'
condition: selection
falsepositives:
- Unknown
level: high
title: HackTool - winPEAS Execution
id: 98b53e78-ebaf-46f8-be06-421aafd176d9
status: test
description: WinPEAS is a script that search for possible paths to escalate privileges on Windows hosts. The checks are explained on book.hacktricks.xyz
references:
- https://github.com/carlospolop/PEASS-ng
- https://book.hacktricks.xyz/windows-hardening/windows-local-privilege-escalation
author: Georg Lauenstein (sure[secure])
date: 2022-09-19
modified: 2023-03-23
tags:
- attack.privilege-escalation
- attack.discovery
- attack.t1082
- attack.t1087
- attack.t1046
logsource:
category: process_creation
product: windows
detection:
selection_img:
- OriginalFileName: 'winPEAS.exe'
- Image|endswith:
- '\winPEASany_ofs.exe'
- '\winPEASany.exe'
- '\winPEASx64_ofs.exe'
- '\winPEASx64.exe'
- '\winPEASx86_ofs.exe'
- '\winPEASx86.exe'
selection_cli_option:
CommandLine|contains:
- ' applicationsinfo' # Search installed applications information
- ' browserinfo' # Search browser information
- ' eventsinfo' # Display interesting events information
- ' fileanalysis' # Search specific files that can contains credentials and for regexes inside files
- ' filesinfo' # Search generic files that can contains credentials
- ' processinfo' # Search processes information
- ' servicesinfo' # Search services information
- ' windowscreds' # Search windows credentials
selection_cli_dl:
CommandLine|contains: 'https://github.com/carlospolop/PEASS-ng/releases/latest/download/'
selection_cli_specific:
- ParentCommandLine|endswith: ' -linpeas'
- CommandLine|endswith: ' -linpeas'
condition: 1 of selection_*
falsepositives:
- Unlikely
level: high
title: Network Reconnaissance Activity
id: e6313acd-208c-44fc-a0ff-db85d572e90e
status: test
description: Detects a set of suspicious network related commands often used in recon stages
references:
- https://thedfirreport.com/2022/02/07/qbot-likes-to-move-it-move-it/
author: Florian Roth (Nextron Systems)
date: 2022-02-07
tags:
- attack.discovery
- attack.t1087
- attack.t1082
- car.2016-03-001
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains|all:
- 'nslookup'
- '_ldap._tcp.dc._msdcs.'
condition: selection
falsepositives:
- False positives depend on scripts and administrative tools used in the monitored environment
level: high
title: Shell Execution GCC - Linux
id: 9b5de532-a757-4d70-946c-1f3e44f48b4d
status: test
description: |
Detects the use of the "gcc" 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/gcc/#shell
- https://gtfobins.github.io/gtfobins/c89/#shell
- https://gtfobins.github.io/gtfobins/c99/#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:
- '/c89'
- '/c99'
- '/gcc'
CommandLine|contains: '-wrapper'
selection_cli:
CommandLine|contains:
- '/bin/bash,-s'
- '/bin/dash,-s'
- '/bin/fish,-s'
- '/bin/sh,-s'
- '/bin/zsh,-s'
condition: all of selection_*
falsepositives:
- Unknown
level: high
title: Shell Execution via Find - Linux
id: 6adfbf8f-52be-4444-9bac-81b539624146
status: test
description: |
Detects the use of the find command to execute a shell. Such behavior may be associated with privilege escalation, unauthorized command execution, or exploitation attempt.
references:
- https://gtfobins.github.io/gtfobins/find/#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: '/find'
CommandLine|contains|all:
- ' . '
- '-exec'
selection_cli:
CommandLine|contains:
- '/bin/bash'
- '/bin/dash'
- '/bin/fish'
- '/bin/sh'
- '/bin/zsh'
condition: all of selection_*
falsepositives:
- Unknown
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: 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: 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: PUA - Seatbelt Execution
id: 38646daa-e78f-4ace-9de0-55547b2d30da
status: test
description: Detects the execution of the PUA/Recon tool Seatbelt via PE information of command line parameters
references:
- https://github.com/GhostPack/Seatbelt
- https://www.bluetangle.dev/2022/08/fastening-seatbelt-on-threat-hunting.html
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-10-18
modified: 2023-02-04
tags:
- attack.discovery
- attack.t1526
- attack.t1087
- attack.t1083
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\Seatbelt.exe'
- OriginalFileName: 'Seatbelt.exe'
- Description: 'Seatbelt'
- CommandLine|contains:
# This just a list of the commands that will produce the least amount of FP in "theory"
# Comment out/in as needed in your environment
# To get the full list of commands see reference section
- ' DpapiMasterKeys'
- ' InterestingProcesses'
- ' InterestingFiles'
- ' CertificateThumbprints'
- ' ChromiumBookmarks'
- ' ChromiumHistory'
- ' ChromiumPresence'
- ' CloudCredentials'
- ' CredEnum'
- ' CredGuard'
- ' FirefoxHistory'
- ' ProcessCreationEvents'
# - ' RDPSessions'
# - ' PowerShellHistory'
selection_group_list:
CommandLine|contains:
- ' -group=misc'
- ' -group=remote'
- ' -group=chromium'
- ' -group=slack'
- ' -group=system'
- ' -group=user'
- ' -group=all'
selection_group_output:
CommandLine|contains: ' -outputfile='
condition: selection_img or all of selection_group_*
falsepositives:
- Unlikely
level: high
title: SharpHound Recon Account Discovery
id: 65f77b1e-8e79-45bf-bb67-5988a8ce45a5
status: test
description: Detects remote RPC calls useb by SharpHound to map remote connections and local group membership.
references:
- https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-wkst/55118c55-2122-4ef9-8664-0c1ff9e168f3
- https://github.com/jsecurity101/MSRPC-to-ATTACK/blob/ddd4608fe8684fcf2fcf9b48c5f0b3c28097f8a3/documents/MS-WKST.md
- https://github.com/zeronetworks/rpcfirewall
- https://zeronetworks.com/blog/stopping-lateral-movement-via-the-rpc-firewall/
author: Sagie Dulce, Dekel Paz
date: 2022-01-01
tags:
- attack.t1087
- attack.discovery
logsource:
product: rpc_firewall
category: application
definition: 'Requirements: install and apply the RPC Firewall to all processes with "audit:true action:block uuid:6bffd098-a112-3610-9833-46c3f87e345a opnum:2'
detection:
selection:
EventLog: RPCFW
EventID: 3
InterfaceUuid: 6bffd098-a112-3610-9833-46c3f87e345a
OpNum: 2
condition: selection
falsepositives:
- Unknown
level: high
title: HackTool - SOAPHound Execution
id: e92a4287-e072-4a40-9739-370c106bb750
status: test
description: |
Detects the execution of SOAPHound, a .NET tool for collecting Active Directory data, using specific command-line arguments that may indicate an attempt to extract sensitive AD information.
references:
- https://github.com/FalconForceTeam/SOAPHound
- https://medium.com/falconforce/soaphound-tool-to-collect-active-directory-data-via-adws-165aca78288c
author: '@kostastsale'
date: 2024-01-26
tags:
- attack.discovery
- attack.t1087
logsource:
product: windows
category: process_creation
detection:
selection_1:
CommandLine|contains:
- ' --buildcache '
- ' --bhdump '
- ' --certdump '
- ' --dnsdump '
selection_2:
CommandLine|contains:
- ' -c '
- ' --cachefilename '
- ' -o '
- ' --outputdirectory'
condition: all of selection_*
falsepositives:
- Unknown
level: high
title: OpenCanary - HTTPPROXY Login Attempt
id: 5498fc09-adc6-4804-b9d9-5cca1f0b8760
status: test
description: |
Detects instances where an HTTPPROXY service on an OpenCanary node has had an attempt to proxy another page.
references:
- https://opencanary.readthedocs.io/en/latest/starting/configuration.html#services-configuration
- https://github.com/thinkst/opencanary/blob/a0896adfcaf0328cfd5829fe10d2878c7445138e/opencanary/logger.py#L52
author: Security Onion Solutions
date: 2024-03-08
tags:
- attack.initial-access
- attack.command-and-control
- attack.t1090
logsource:
category: application
product: opencanary
detection:
selection:
logtype: 7001
condition: selection
falsepositives:
- Unlikely
level: high
title: Malicious IP Address Sign-In Failure Rate
id: a3f55ebd-0c01-4ed6-adc0-8fb76d8cd3cd
status: test
description: Indicates sign-in from a malicious IP address based on high failure rates.
references:
- https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#malicious-ip-address
- https://learn.microsoft.com/en-us/entra/architecture/security-operations-user-accounts#unusual-sign-ins
author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'
date: 2023-09-07
tags:
- attack.t1090
- attack.command-and-control
logsource:
product: azure
service: riskdetection
detection:
selection:
riskEventType: 'maliciousIPAddress'
condition: selection
falsepositives:
- We recommend investigating the sessions flagged by this detection in the context of other sign-ins from the user.
level: high
title: Malicious IP Address Sign-In Suspicious
id: 36440e1c-5c22-467a-889b-593e66498472
status: test
description: Indicates sign-in from a malicious IP address known to be malicious at time of sign-in.
references:
- https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#malicious-ip-address
- https://learn.microsoft.com/en-us/entra/architecture/security-operations-user-accounts#unusual-sign-ins
author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'
date: 2023-09-07
tags:
- attack.t1090
- attack.command-and-control
logsource:
product: azure
service: riskdetection
detection:
selection:
riskEventType: 'suspiciousIPAddress'
condition: selection
falsepositives:
- We recommend investigating the sessions flagged by this detection in the context of other sign-ins from the user.
level: high
title: Sign-In From Malware Infected IP
id: 821b4dc3-1295-41e7-b157-39ab212dd6bd
status: test
description: Indicates sign-ins from IP addresses infected with malware that is known to actively communicate with a bot server.
references:
- https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#malware-linked-ip-address-deprecated
- https://learn.microsoft.com/en-us/entra/architecture/security-operations-user-accounts#unusual-sign-ins
author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'
date: 2023-09-03
tags:
- attack.t1090
- attack.command-and-control
logsource:
product: azure
service: riskdetection
detection:
selection:
riskEventType: 'malwareInfectedIPAddress'
condition: selection
falsepositives:
- Using an IP address that is shared by many users
level: high
title: Communication To LocaltoNet Tunneling Service Initiated - Linux
id: c4568f5d-131f-4e78-83d4-45b2da0ec4f1
status: test
description: |
Detects an executable initiating a network connection to "LocaltoNet" tunneling sub-domains.
LocaltoNet is a reverse proxy that enables localhost services to be exposed to the Internet.
Attackers have been seen to use this service for command-and-control activities to bypass MFA and perimeter controls.
references:
- https://localtonet.com/documents/supported-tunnels
- https://cloud.google.com/blog/topics/threat-intelligence/unc3944-targets-saas-applications
author: Andreas Braathen (mnemonic.io)
date: 2024-06-17
tags:
- attack.command-and-control
- attack.t1572
- attack.t1090
- attack.t1102
logsource:
category: network_connection
product: linux
detection:
selection:
DestinationHostname|endswith:
- '.localto.net'
- '.localtonet.com'
Initiated: 'true'
condition: selection
falsepositives:
- Legitimate use of the LocaltoNet service.
level: high
title: Communication To Ngrok Tunneling Service - Linux
id: 19bf6fdb-7721-4f3d-867f-53467f6a5db6
status: test
description: Detects an executable accessing an ngrok tunneling endpoint, which could be a sign of forbidden exfiltration of data exfiltration by malicious actors
references:
- https://twitter.com/hakluke/status/1587733971814977537/photo/1
- https://ngrok.com/docs/secure-tunnels/tunnels/ssh-reverse-tunnel-agent
author: Florian Roth (Nextron Systems)
date: 2022-11-03
tags:
- attack.exfiltration
- attack.command-and-control
- attack.t1567
- attack.t1568.002
- attack.t1572
- attack.t1090
- attack.t1102
- attack.s0508
logsource:
product: linux
category: network_connection
detection:
selection:
DestinationHostname|contains:
- 'tunnel.us.ngrok.com'
- 'tunnel.eu.ngrok.com'
- 'tunnel.ap.ngrok.com'
- 'tunnel.au.ngrok.com'
- 'tunnel.sa.ngrok.com'
- 'tunnel.jp.ngrok.com'
- 'tunnel.in.ngrok.com'
condition: selection
falsepositives:
- Legitimate use of ngrok
level: high
title: Communication To LocaltoNet Tunneling Service Initiated
id: 3ab65069-d82a-4d44-a759-466661a082d1
status: test
description: |
Detects an executable initiating a network connection to "LocaltoNet" tunneling sub-domains.
LocaltoNet is a reverse proxy that enables localhost services to be exposed to the Internet.
Attackers have been seen to use this service for command-and-control activities to bypass MFA and perimeter controls.
references:
- https://localtonet.com/documents/supported-tunnels
- https://cloud.google.com/blog/topics/threat-intelligence/unc3944-targets-saas-applications
author: Andreas Braathen (mnemonic.io)
date: 2024-06-17
tags:
- attack.command-and-control
- attack.t1572
- attack.t1090
- attack.t1102
logsource:
category: network_connection
product: windows
detection:
selection:
DestinationHostname|endswith:
- '.localto.net'
- '.localtonet.com'
Initiated: 'true'
condition: selection
falsepositives:
- Legitimate use of the LocaltoNet service.
level: high
title: Communication To Ngrok Tunneling Service Initiated
id: 1d08ac94-400d-4469-a82f-daee9a908849
related:
- id: 18249279-932f-45e2-b37a-8925f2597670
type: similar
status: test
description: |
Detects an executable initiating a network connection to "ngrok" tunneling domains.
Attackers were seen using this "ngrok" in order to store their second stage payloads and malware.
While communication with such domains can be legitimate, often times is a sign of either data exfiltration by malicious actors or additional download.
references:
- https://twitter.com/hakluke/status/1587733971814977537/photo/1
- https://ngrok.com/docs/secure-tunnels/tunnels/ssh-reverse-tunnel-agent
author: Florian Roth (Nextron Systems)
date: 2022-11-03
modified: 2024-02-02
tags:
- attack.exfiltration
- attack.command-and-control
- attack.t1567
- attack.t1568.002
- attack.t1572
- attack.t1090
- attack.t1102
- attack.s0508
logsource:
category: network_connection
product: windows
detection:
selection:
DestinationHostname|contains:
- 'tunnel.us.ngrok.com'
- 'tunnel.eu.ngrok.com'
- 'tunnel.ap.ngrok.com'
- 'tunnel.au.ngrok.com'
- 'tunnel.sa.ngrok.com'
- 'tunnel.jp.ngrok.com'
- 'tunnel.in.ngrok.com'
condition: selection
falsepositives:
- Legitimate use of the ngrok service.
level: high
title: RDP Port Forwarding Rule Added Via Netsh.EXE
id: 782d6f3e-4c5d-4b8c-92a3-1d05fed72e63
status: test
description: Detects the execution of netsh to configure a port forwarding of port 3389 (RDP) rule
references:
- https://www.fireeye.com/blog/threat-research/2019/01/bypassing-network-restrictions-through-rdp-tunneling.html
author: Florian Roth (Nextron Systems), oscd.community
date: 2019-01-29
modified: 2023-02-13
tags:
- attack.lateral-movement
- attack.command-and-control
- attack.t1090
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\netsh.exe'
- OriginalFileName: 'netsh.exe'
selection_cli:
CommandLine|contains|all:
- ' i'
- ' p'
- '=3389'
- ' c'
condition: all of selection_*
falsepositives:
- Legitimate administration activity
level: high
title: PUA - NPS Tunneling Tool Execution
id: 68d37776-61db-42f5-bf54-27e87072d17e
status: test
description: Detects the use of NPS, a port forwarding and intranet penetration proxy server
references:
- https://github.com/ehang-io/nps
author: Florian Roth (Nextron Systems)
date: 2022-10-08
modified: 2024-11-23
tags:
- attack.command-and-control
- attack.t1090
logsource:
category: process_creation
product: windows
detection:
selection_img:
Image|endswith: '\npc.exe'
selection_cli_1:
CommandLine|contains|all:
- ' -server='
- ' -vkey='
- ' -password='
selection_cli_2:
CommandLine|contains: ' -config=npc'
selection_hashes:
# v0.26.10
Hashes|contains:
- "MD5=AE8ACF66BFE3A44148964048B826D005"
- "SHA1=CEA49E9B9B67F3A13AD0BE1C2655293EA3C18181"
- "SHA256=5A456283392FFCEEEACA3D3426C306EB470304637520D72FED1CC1FEBBBD6856"
condition: 1 of selection_*
falsepositives:
- Legitimate use
level: high
title: HackTool - Htran/NATBypass Execution
id: f5e3b62f-e577-4e59-931e-0a15b2b94e1e
status: test
description: Detects executable names or flags used by Htran or Htran-like tools (e.g. NATBypass)
references:
- https://github.com/HiwinCN/HTran
- https://github.com/cw1997/NATBypass
author: Florian Roth (Nextron Systems)
date: 2022-12-27
modified: 2023-02-04
tags:
- attack.command-and-control
- attack.t1090
- attack.s0040
logsource:
category: process_creation
product: windows
detection:
selection_img:
Image|endswith:
- '\htran.exe'
- '\lcx.exe'
selection_cli:
CommandLine|contains:
- '.exe -tran '
- '.exe -slave '
condition: 1 of selection_*
falsepositives:
- Unknown
level: high
title: PUA - Fast Reverse Proxy (FRP) Execution
id: 32410e29-5f94-4568-b6a3-d91a8adad863
status: test
description: Detects the use of Fast Reverse Proxy. frp is a fast reverse proxy to help you expose a local server behind a NAT or firewall to the Internet.
references:
- https://asec.ahnlab.com/en/38156/
- https://github.com/fatedier/frp
author: frack113, Florian Roth
date: 2022-09-02
modified: 2024-11-23
tags:
- attack.command-and-control
- attack.t1090
logsource:
category: process_creation
product: windows
detection:
selection_img:
Image|endswith:
- '\frpc.exe'
- '\frps.exe'
selection_cli:
CommandLine|contains: '\frpc.ini'
selection_hashes:
# v0.44.0
Hashes|contains:
- "MD5=7D9C233B8C9E3F0EA290D2B84593C842"
- "SHA1=06DDC9280E1F1810677935A2477012960905942F"
- "SHA256=57B0936B8D336D8E981C169466A15A5FD21A7D5A2C7DAF62D5E142EE860E387C"
condition: 1 of selection_*
falsepositives:
- Legitimate use
level: high
title: PUA- IOX Tunneling Tool Execution
id: d7654f02-e04b-4934-9838-65c46f187ebc
status: test
description: Detects the use of IOX - a tool for port forwarding and intranet proxy purposes
references:
- https://github.com/EddieIvan01/iox
author: Florian Roth (Nextron Systems)
date: 2022-10-08
modified: 2024-11-23
tags:
- attack.command-and-control
- attack.t1090
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith: '\iox.exe'
selection_commandline:
CommandLine|contains:
- '.exe fwd -l '
- '.exe fwd -r '
- '.exe proxy -l '
- '.exe proxy -r '
selection_hashes:
# v0.4
Hashes|contains:
- "MD5=9DB2D314DD3F704A02051EF5EA210993"
- "SHA1=039130337E28A6623ECF9A0A3DA7D92C5964D8DD"
- "SHA256=C6CF82919B809967D9D90EA73772A8AA1C1EB3BC59252D977500F64F1A0D6731"
condition: 1 of selection*
falsepositives:
- Legitimate use
level: high
title: Ngrok Usage with Remote Desktop Service
id: 64d51a51-32a6-49f0-9f3d-17e34d640272
status: test
description: Detects cases in which ngrok, a reverse proxy tool, forwards events to the local RDP port, which could be a sign of malicious behaviour
references:
- https://twitter.com/tekdefense/status/1519711183162556416?s=12&t=OTsHCBkQOTNs1k3USz65Zg
- https://ngrok.com/
author: Florian Roth (Nextron Systems)
date: 2022-04-29
tags:
- attack.command-and-control
- attack.t1090
logsource:
product: windows
service: terminalservices-localsessionmanager
detection:
selection:
EventID: 21
Address|contains: '16777216'
condition: selection
falsepositives:
- Unknown
level: high
title: HackTool - SharpChisel Execution
id: cf93e05e-d798-4d9e-b522-b0248dc61eaf
related:
- id: 8b0e12da-d3c3-49db-bb4f-256703f380e5
type: similar
status: test
description: Detects usage of the Sharp Chisel via the commandline arguments
references:
- https://github.com/shantanu561993/SharpChisel
- https://www.sentinelone.com/labs/wading-through-muddy-waters-recent-activity-of-an-iranian-state-sponsored-threat-actor/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-09-05
modified: 2023-02-13
tags:
- attack.command-and-control
- attack.t1090.001
logsource:
category: process_creation
product: windows
detection:
selection:
- Image|endswith: '\SharpChisel.exe'
- Product: 'SharpChisel'
# See rule 8b0e12da-d3c3-49db-bb4f-256703f380e5 for Chisel.exe coverage
condition: selection
falsepositives:
- Unlikely
level: high
title: Renamed Cloudflared.EXE Execution
id: e0c69ebd-b54f-4aed-8ae3-e3467843f3f0
status: test
description: Detects the execution of a renamed "cloudflared" binary.
references:
- https://github.com/cloudflare/cloudflared/releases
- https://developers.cloudflare.com/cloudflare-one/connections/connect-networks/do-more-with-tunnels/trycloudflare/
- https://github.com/cloudflare/cloudflared
- https://www.intrinsec.com/akira_ransomware/
- https://www.guidepointsecurity.com/blog/tunnel-vision-cloudflared-abused-in-the-wild/
tags:
- attack.command-and-control
- attack.t1090.001
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-12-20
logsource:
category: process_creation
product: windows
detection:
selection_cleanup:
CommandLine|contains|all:
- ' tunnel '
- 'cleanup '
CommandLine|contains:
- '-config '
- '-connector-id '
selection_tunnel:
CommandLine|contains|all:
- ' tunnel '
- ' run '
CommandLine|contains:
- '-config '
- '-credentials-contents '
- '-credentials-file '
- '-token '
selection_accountless:
CommandLine|contains|all:
- '-url'
- 'tunnel'
selection_hashes:
Hashes|contains:
- 'SHA256=2fb6c04c4f95fb8d158af94c137f90ac820716deaf88d8ebec956254e046cb29'
- 'SHA256=b3d21940a10fdef5e415ad70331ce257c24fe3bcf7722262302e0421791f87e8'
- 'SHA256=1fbd8362b2d2d2e6a5750ae3db69cd1815e6c1d31da48a98b796450971a8e039'
- 'SHA256=0409c9b12f9d0eda86e461ed9bdabeefb00172b26322079681a0bdf48e68dc28'
- 'SHA256=7cfb411d04bac42ef93d1f0c93c0a481e38c6f4612b97ae89d4702595988edc7'
- 'SHA256=5b3c2d846ab162dc6bc595cce3a49de5731afde5d6060be7066d21b013a28373'
- 'SHA256=ce95df7f69664c3df19b76028e115931919a71517b776da7b42d353e2ff4a670'
- 'SHA256=1293525a19cfe3bc8296b62fbfe19f083632ed644a1c18c10b045a1d3030d81a'
- 'SHA256=af2b9161cfcb654b16408cd6b098afe9d1fb61a037d18d7090a119d4c0c8e0f0'
- 'SHA256=39ddceb56a15798826a5fc4892fa2b474c444bb4d7a8bf2fa95e41cab10fa7a1'
- 'SHA256=ccd11f2328023a0e7929e845d5b6e7bc783fb4650d65faef3ae090239d4bbce2'
- 'SHA256=b6e5c5d2567ae8c69cc012ebcae30e6c9b5359d64a58d17ba75ec89f8bce71ac'
- 'SHA256=f813484ea441404f18caad96f28138e8aaf0cb256163c09c2ab8a3acab87f69f'
- 'SHA256=fc4a0802ab9c7409b892ca00636bec61e2acfc911bccfdeb9978b8ab5a2f828d'
- 'SHA256=083150724b49604c8765c1ba19541fa260b133be0acb0647fcd936d81f054499'
- 'SHA256=44303d6572956f28a0f2e4b188934fb9874f2584f5c81fa431a463cfbf28083b'
- 'SHA256=5d38c46032a58e28ae5f7d174d8761ec3d64d186677f3ec53af5f51afb9bfd2f'
- 'SHA256=e1e70fa42059911bc6685fafef957f9a73fc66f214d0704a9b932683a5204032'
- 'SHA256=c01356092a365b84f84f0e66870bd1a05ba3feb53cafd973fa5fea2534bee234'
- 'SHA256=b3f9c06151e30ee43d39e788a79cd918a314f24e04fe87f3de8272a2057b624f'
- 'SHA256=cd81b2792f0739f473c31c9cb7cf2313154bfa28b839975802b90e8790bb5058'
- 'SHA256=9ec7e6c8e1bfd883663d8d9d62c9e4f9ae373b731407181e32491b27a7218a2c'
- 'SHA256=c2cfd23fdc6c0e1b1ffa0e545cbe556f18d11b362b4a89ba0713f6ab01c4827f'
- 'SHA256=53f8adbd76c0eb16f5e43cadde422474d8a06f9c8f959389c1930042ad8beaa5'
- 'SHA256=648c8d2f8001c113d2986dd00b7bbd181593d462bef73522cee212c4f71f95b3'
- 'SHA256=ae047e2095e46c3f9c518b2be67ec753f4f0aad23b261a361fcb6144dcdb63b4'
- 'SHA256=3153d2baa462978dd22ab33d1c2274ecc88c200225d6a3327f98d5b752d08f5c'
- 'SHA256=f49cde976e628012c9db73e1c8d76081944ecf2297cdafeb78bb13290da274c4'
- 'SHA256=d2513e58bb03ccc83affde685c6ef987924c37ce6707d8e9857e2524b0d7e90f'
- 'SHA256=bb67c7623ba92fe64ffd9816b8d5b3b1ea3013960a30bd4cf6e295b3eb5b1bad'
- 'SHA256=b34b3c3a91e3165d1481f0b3ec23eab93a1cfba94345a6cbfe5b18ddbd48eac7'
- 'SHA256=f7848034e010d55f15e474ca998f96391e320ff29b00cfcc4c5e536529703e75'
- 'SHA256=b6fc9493778cbe3bfc062d73f5cc604bc0ff058bc5e5dc6aac87f3a4008b54b6'
- 'SHA256=f5c5e962577e2293c4ad10603816dce7cc273585969615fbf4e4bfa9eaff1688'
- 'SHA256=d14c52d9220b606f428a8fe9f7c108b0d6f14cf71e7384749e98e6a95962e68f'
- 'SHA256=d3a0e1a79158f3985cd49607ebe0cdfcc49cb9af96b8f43aefd0cdfe2f22e663'
- 'SHA256=2fbbfc8299537ff80cadf9d0e27c223fe0ccb9052bf9d8763ad717bbfa521c77'
- 'SHA256=19074674c6fbdaa573b3081745e5e26144fdf7a086d14e0e220d1814f1f13078'
filter_main_known_names:
Image|endswith:
- '\cloudflared.exe'
- '\cloudflared-windows-386.exe'
- '\cloudflared-windows-amd64.exe'
condition: 1 of selection_* and not 1 of filter_main_*
falsepositives:
- Unknown
level: high
title: PUA - Chisel Tunneling Tool Execution
id: 8b0e12da-d3c3-49db-bb4f-256703f380e5
related:
- id: cf93e05e-d798-4d9e-b522-b0248dc61eaf
type: similar
status: test
description: Detects usage of the Chisel tunneling tool via the commandline arguments
references:
- https://github.com/jpillora/chisel/
- https://arcticwolf.com/resources/blog/lorenz-ransomware-chiseling-in/
- https://blog.sekoia.io/lucky-mouse-incident-response-to-detection-engineering/
author: Florian Roth (Nextron Systems)
date: 2022-09-13
modified: 2023-02-13
tags:
- attack.command-and-control
- attack.t1090.001
logsource:
category: process_creation
product: windows
detection:
selection_img:
Image|endswith: '\chisel.exe'
selection_param1:
CommandLine|contains:
- 'exe client '
- 'exe server '
selection_param2:
CommandLine|contains:
- '-socks5'
- '-reverse'
- ' r:'
- ':127.0.0.1:'
- '-tls-skip-verify '
- ':socks'
condition: selection_img or all of selection_param*
falsepositives:
- Some false positives may occur with other tools with similar commandlines
level: high
title: DNS Query Tor .Onion Address - Sysmon
id: b55ca2a3-7cff-4dda-8bdd-c7bfa63bf544
related:
- id: 8384bd26-bde6-4da9-8e5d-4174a7a47ca2
type: similar
- id: a8322756-015c-42e7-afb1-436e85ed3ff5
type: similar
status: test
description: Detects DNS queries to an ".onion" address related to Tor routing networks
references:
- https://www.logpoint.com/en/blog/detecting-tor-use-with-logpoint/
- https://github.com/Azure/Azure-Sentinel/blob/f99542b94afe0ad2f19a82cc08262e7ac8e1428e/Detections/ASimDNS/imDNS_TorProxies.yaml
author: frack113
date: 2022-02-20
modified: 2025-09-12
tags:
- attack.command-and-control
- attack.t1090.003
logsource:
product: windows
category: dns_query
detection:
selection:
QueryName|endswith:
- '.hiddenservice.net'
- '.onion.ca'
- '.onion.cab'
- '.onion.casa'
- '.onion.city'
- '.onion.direct'
- '.onion.dog'
- '.onion.glass'
- '.onion.gq'
- '.onion.ink'
- '.onion.it'
- '.onion.link'
- '.onion.lt'
- '.onion.lu'
- '.onion.nu'
- '.onion.pet'
- '.onion.plus'
- '.onion.rip'
- '.onion.sh'
- '.onion.to'
- '.onion.top'
- '.onion'
- '.s1.tor-gateways.de'
- '.s2.tor-gateways.de'
- '.s3.tor-gateways.de'
- '.s4.tor-gateways.de'
- '.s5.tor-gateways.de'
- '.t2w.pw'
- '.tor2web.ae.org'
- '.tor2web.blutmagie.de'
- '.tor2web.com'
- '.tor2web.fi'
- '.tor2web.io'
- '.tor2web.org'
- '.tor2web.xyz'
- '.torlink.co'
condition: selection
falsepositives:
- Unknown
level: high
title: Tor Client/Browser Execution
id: 62f7c9bf-9135-49b2-8aeb-1e54a6ecc13c
status: test
description: Detects the use of Tor or Tor-Browser to connect to onion routing networks
references:
- https://www.logpoint.com/en/blog/detecting-tor-use-with-logpoint/
author: frack113
date: 2022-02-20
modified: 2025-10-27
tags:
- attack.command-and-control
- attack.t1090.003
logsource:
category: process_creation
product: windows
detection:
selection:
- Description: 'Tor Browser'
- Product: 'Tor Browser'
- Image|endswith:
- '\tor.exe'
- '\Tor Browser\Browser\firefox.exe'
condition: selection
falsepositives:
- Unknown
level: high
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_browsers_tor_execution/info.yml
title: Query Tor Onion Address - DNS Client
id: 8384bd26-bde6-4da9-8e5d-4174a7a47ca2
related:
- id: b55ca2a3-7cff-4dda-8bdd-c7bfa63bf544
type: similar
- id: a8322756-015c-42e7-afb1-436e85ed3ff5
type: similar
status: test
description: Detects DNS resolution of an .onion address related to Tor routing networks
references:
- https://www.logpoint.com/en/blog/detecting-tor-use-with-logpoint/
- https://github.com/Azure/Azure-Sentinel/blob/f99542b94afe0ad2f19a82cc08262e7ac8e1428e/Detections/ASimDNS/imDNS_TorProxies.yaml
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-02-20
modified: 2025-09-12
tags:
- attack.command-and-control
- attack.t1090.003
logsource:
product: windows
service: dns-client
definition: 'Requirements: Microsoft-Windows-DNS Client Events/Operational Event Log must be enabled/collected in order to receive the events.'
detection:
selection:
EventID: 3008
QueryName|endswith:
- '.hiddenservice.net'
- '.onion.ca'
- '.onion.cab'
- '.onion.casa'
- '.onion.city'
- '.onion.direct'
- '.onion.dog'
- '.onion.glass'
- '.onion.gq'
- '.onion.guide'
- '.onion.in.net'
- '.onion.ink'
- '.onion.it'
- '.onion.link'
- '.onion.lt'
- '.onion.lu'
- '.onion.ly'
- '.onion.mn'
- '.onion.network'
- '.onion.nu'
- '.onion.pet'
- '.onion.plus'
- '.onion.pt'
- '.onion.pw'
- '.onion.rip'
- '.onion.sh'
- '.onion.si'
- '.onion.to'
- '.onion.top'
- '.onion.ws'
- '.onion'
- '.s1.tor-gateways.de'
- '.s2.tor-gateways.de'
- '.s3.tor-gateways.de'
- '.s4.tor-gateways.de'
- '.s5.tor-gateways.de'
- '.t2w.pw'
- '.tor2web.ae.org'
- '.tor2web.blutmagie.de'
- '.tor2web.com'
- '.tor2web.fi'
- '.tor2web.io'
- '.tor2web.org'
- '.tor2web.xyz'
- '.torlink.co'
condition: selection
falsepositives:
- Unlikely
level: high
title: PUA - Netcat Suspicious Execution
id: e31033fc-33f0-4020-9a16-faf9b31cbf08
status: test
description: Detects execution of Netcat. Adversaries may use a non-application layer protocol for communication between host and C2 server or among infected hosts within a network
references:
- https://nmap.org/ncat/
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1095/T1095.md
- https://www.revshells.com/
author: frack113, Florian Roth (Nextron Systems)
date: 2021-07-21
modified: 2023-02-08
tags:
- attack.command-and-control
- attack.t1095
logsource:
category: process_creation
product: windows
detection:
selection_img:
# can not use OriginalFileName as is empty
Image|endswith:
- '\nc.exe'
- '\ncat.exe'
- '\netcat.exe'
selection_cmdline:
# Typical command lines
CommandLine|contains:
- ' -lvp '
- ' -lvnp'
- ' -l -v -p '
- ' -lv -p '
- ' -l --proxy-type http '
# - ' --exec cmd.exe ' # Not specific enough for netcat
- ' -vnl --exec '
- ' -vnl -e '
- ' --lua-exec '
- ' --sh-exec '
condition: 1 of selection_*
falsepositives:
- Legitimate ncat use
level: high
title: Potential WinAPI Calls Via CommandLine
id: ba3f5c1b-6272-4119-9dbd-0bc8d21c2702
related:
- id: 03d83090-8cba-44a0-b02f-0b756a050306
type: derived
status: test
description: Detects the use of WinAPI Functions via the commandline. As seen used by threat actors via the tool winapiexec
references:
- https://twitter.com/m417z/status/1566674631788007425
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-09-06
modified: 2025-03-06
tags:
- attack.execution
- attack.t1106
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains:
- 'AddSecurityPackage'
- 'AdjustTokenPrivileges'
- 'Advapi32'
- 'CloseHandle'
- 'CreateProcessWithToken'
- 'CreatePseudoConsole'
- 'CreateRemoteThread'
- 'CreateThread'
- 'CreateUserThread'
- 'DangerousGetHandle'
- 'DuplicateTokenEx'
- 'EnumerateSecurityPackages'
- 'FreeHGlobal'
- 'FreeLibrary'
- 'GetDelegateForFunctionPointer'
- 'GetLogonSessionData'
- 'GetModuleHandle'
- 'GetProcAddress'
- 'GetProcessHandle'
- 'GetTokenInformation'
- 'ImpersonateLoggedOnUser'
- 'kernel32'
- 'LoadLibrary'
- 'memcpy'
- 'MiniDumpWriteDump'
# - 'msvcrt'
- 'ntdll'
- 'OpenDesktop'
- 'OpenProcess'
- 'OpenProcessToken'
- 'OpenThreadToken'
- 'OpenWindowStation'
- 'PtrToString'
- 'QueueUserApc'
- 'ReadProcessMemory'
- 'RevertToSelf'
- 'RtlCreateUserThread'
- 'secur32'
- 'SetThreadToken'
# - 'user32'
- 'VirtualAlloc'
- 'VirtualFree'
- 'VirtualProtect'
- 'WaitForSingleObject'
- 'WriteInt32'
- 'WriteProcessMemory'
- 'ZeroFreeGlobalAllocUnicode'
filter_optional_mpcmdrun:
Image|endswith: '\MpCmdRun.exe'
CommandLine|contains: 'GetLoadLibraryWAddress32'
filter_optional_compatTelRunner:
ParentImage|endswith: '\CompatTelRunner.exe'
CommandLine|contains:
- 'FreeHGlobal'
- 'PtrToString'
- 'kernel32'
- 'CloseHandle'
condition: selection and not 1 of filter_optional_*
falsepositives:
- Some legitimate action or applications may use these functions. Investigate further to determine the legitimacy of the activity.
level: high
title: Suspicious Mshta.EXE Execution Patterns
id: e32f92d1-523e-49c3-9374-bdb13b46a3ba
status: test
description: Detects suspicious mshta process execution patterns
references:
- https://en.wikipedia.org/wiki/HTML_Application
- https://www.echotrail.io/insights/search/mshta.exe
- https://app.any.run/tasks/34221348-072d-4b70-93f3-aa71f6ebecad/
author: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems)
date: 2021-07-17
modified: 2023-02-21
tags:
- attack.execution
- attack.t1106
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\mshta.exe'
- OriginalFileName: 'MSHTA.EXE'
selection_susp:
# Suspicious parents
ParentImage|endswith:
- '\cmd.exe'
- '\cscript.exe'
- '\powershell.exe'
- '\pwsh.exe'
- '\regsvr32.exe'
- '\rundll32.exe'
- '\wscript.exe'
# Suspicious folders
CommandLine|contains:
- '\AppData\Local\'
- 'C:\ProgramData\'
- 'C:\Users\Public\'
- 'C:\Windows\Temp\'
filter_img:
# Filter legit Locations
- Image|startswith:
- 'C:\Windows\System32\'
- 'C:\Windows\SysWOW64\'
# Suspicious extensions
- CommandLine|contains:
- '.htm'
- '.hta'
# Filter simple execution
- CommandLine|endswith:
- 'mshta.exe'
- 'mshta'
condition: all of selection_* or (selection_img and not filter_img)
falsepositives:
- Unknown
level: high
title: HackTool - CobaltStrike BOF Injection Pattern
id: 09706624-b7f6-455d-9d02-adee024cee1d
status: test
description: Detects a typical pattern of a CobaltStrike BOF which inject into other processes
references:
- https://github.com/boku7/injectAmsiBypass
- https://github.com/boku7/spawn
author: Christian Burkard (Nextron Systems)
date: 2021-08-04
modified: 2023-11-28
tags:
- attack.execution
- attack.defense-impairment
- attack.t1106
- attack.t1685
logsource:
category: process_access
product: windows
detection:
selection:
CallTrace|re: '^C:\\Windows\\SYSTEM32\\ntdll\.dll\+[a-z0-9]{4,6}\|C:\\Windows\\System32\\KERNELBASE\.dll\+[a-z0-9]{4,6}\|UNKNOWN\([A-Z0-9]{16}\)$'
GrantedAccess:
- '0x1028'
- '0x1fffff'
condition: selection
falsepositives:
- Unknown
level: high