Sigma rules for CVE-2023-48788
200 rules · scoped to cve · back to CVE-2023-48788
Direct rules mention this entity in their title or description. Related rules cover the techniques this entity is known to use.
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: OpenCanary - FTP Login Attempt
id: 6991bc2b-ae2e-447f-bc55-3a1ba04c14e5
status: test
description: Detects instances where an FTP service on an OpenCanary node has had a login attempt.
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.exfiltration
- attack.lateral-movement
- attack.t1190
- attack.t1021
logsource:
category: application
product: opencanary
detection:
selection:
logtype: 2000
condition: selection
falsepositives:
- Unlikely
level: high
title: OpenCanary - SSH Login Attempt
id: ff7139bc-fdb1-4437-92f2-6afefe8884cb
status: test
description: Detects instances where an SSH service on an OpenCanary node has had a login attempt.
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.privilege-escalation
- attack.initial-access
- attack.lateral-movement
- attack.persistence
- attack.stealth
- attack.t1133
- attack.t1021
- attack.t1078
logsource:
category: application
product: opencanary
detection:
selection:
logtype: 4002
condition: selection
falsepositives:
- Unlikely
level: high
title: OpenCanary - RDP New Connection Attempt
id: 598290cf-5932-45cd-9123-be1e05ab4f2e
status: experimental
description: Detects instances where an RDP service on an OpenCanary node has had a connection attempt.
references:
- https://opencanary.readthedocs.io/en/latest/starting/configuration.html#services-configuration
- https://github.com/thinkst/opencanary/blob/a0896adfcaf0328cfd5829fe10d2878c7445138e/opencanary/logger.py#L52
author: Marco Pedrinazzi (@pedrinazziM)
date: 2026-01-06
tags:
- attack.initial-access
- attack.lateral-movement
- attack.persistence
- attack.t1133
- attack.t1021.001
logsource:
category: application
product: opencanary
detection:
selection:
logtype: 14001
condition: selection
falsepositives:
- Unlikely
level: high
title: OpenCanary - MySQL Login Attempt
id: e7d79a1b-25ed-4956-bd56-bd344fa8fd06
status: test
description: Detects instances where a MySQL service on an OpenCanary node has had a login attempt.
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.credential-access
- attack.collection
- attack.t1003
- attack.t1213
logsource:
category: application
product: opencanary
detection:
selection:
logtype: 8001
condition: selection
falsepositives:
- Unlikely
level: high
title: OpenCanary - TFTP Request
id: b4e6b016-a2ac-4759-ad85-8000b300d61e
status: test
description: Detects instances where a TFTP service on an OpenCanary node has had a request.
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.exfiltration
- attack.t1041
logsource:
category: application
product: opencanary
detection:
selection:
logtype: 10001
condition: selection
falsepositives:
- Unlikely
level: high
title: OpenCanary - MSSQL Login Attempt Via SQLAuth
id: 3ec9a16d-0b4f-4967-9542-ebf38ceac7dd
status: test
description: |
Detects instances where an MSSQL service on an OpenCanary node has had a login attempt using SQLAuth.
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.credential-access
- attack.collection
- attack.t1003
- attack.t1213
logsource:
category: application
product: opencanary
detection:
selection:
logtype: 9001
condition: selection
falsepositives:
- Unlikely
level: high
title: OpenCanary - HTTP POST Login Attempt
id: af1ac430-df6b-4b38-b976-0b52f07a0252
status: test
description: |
Detects instances where an HTTP service on an OpenCanary node has had login attempt via Form POST.
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.t1190
logsource:
category: application
product: opencanary
detection:
selection:
logtype: 3001
condition: selection
falsepositives:
- Unlikely
level: high
title: OpenCanary - REDIS Action Command Attempt
id: 547dfc53-ebf6-4afe-8d2e-793d9574975d
status: test
description: Detects instances where a REDIS service on an OpenCanary node has had an action command attempted.
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.credential-access
- attack.collection
- attack.t1003
- attack.t1213
logsource:
category: application
product: opencanary
detection:
selection:
logtype: 17001
condition: selection
falsepositives:
- Unlikely
level: high
title: OpenCanary - VNC Connection Attempt
id: 9db5446c-b44a-4291-8b89-fcab5609c3b3
status: test
description: Detects instances where a VNC service on an OpenCanary node has had a connection attempt.
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.lateral-movement
- attack.t1021
logsource:
category: application
product: opencanary
detection:
selection:
logtype: 12001
condition: selection
falsepositives:
- Unlikely
level: high
title: OpenCanary - Telnet Login Attempt
id: 512cff7a-683a-43ad-afe0-dd398e872f36
status: test
description: Detects instances where a Telnet service on an OpenCanary node has had a login attempt.
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.privilege-escalation
- attack.persistence
- attack.initial-access
- attack.command-and-control
- attack.stealth
- attack.t1133
- attack.t1078
logsource:
category: application
product: opencanary
detection:
selection:
logtype: 6001
condition: selection
falsepositives:
- Unlikely
level: high
title: OpenCanary - SMB File Open Request
id: 22777c9e-873a-4b49-855f-6072ab861a52
status: test
description: Detects instances where an SMB service on an OpenCanary node has had a file open request.
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.lateral-movement
- attack.collection
- attack.t1021
- attack.t1005
logsource:
category: application
product: opencanary
detection:
selection:
logtype: 5000
condition: selection
falsepositives:
- Unlikely
level: high
title: OpenCanary - SSH New Connection Attempt
id: cd55f721-5623-4663-bd9b-5229cab5237d
status: test
description: Detects instances where an SSH service on an OpenCanary node has had a connection attempt.
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.privilege-escalation
- attack.initial-access
- attack.lateral-movement
- attack.persistence
- attack.stealth
- attack.t1133
- attack.t1021
- attack.t1078
logsource:
category: application
product: opencanary
detection:
selection:
logtype: 4000
condition: selection
falsepositives:
- Unlikely
level: high
title: OpenCanary - SNMP OID Request
id: e9856028-fd4e-46e6-b3d1-10f7ceb95078
status: test
description: Detects instances where an SNMP service on an OpenCanary node has had an OID request.
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.discovery
- attack.lateral-movement
- attack.t1016
- attack.t1021
logsource:
category: application
product: opencanary
detection:
selection:
logtype: 13001
condition: selection
falsepositives:
- Unlikely
level: high
title: Potential XXE Exploitation Attempt In JVM Based Application
id: c4e06896-e27c-4583-95ac-91ce2279345d
status: test
description: Detects XML parsing issues, if the application expects to work with XML make sure that the parser is initialized safely.
references:
- https://rules.sonarsource.com/java/RSPEC-2755
- https://owasp.org/www-community/vulnerabilities/XML_External_Entity_(XXE)_Processing
- https://www.wix.engineering/post/threat-and-vulnerability-hunting-with-application-server-error-logs
author: Moti Harmats
date: 2023-02-11
tags:
- attack.initial-access
- attack.t1190
logsource:
category: application
product: jvm
definition: 'Requirements: application error logs must be collected (with LOG_LEVEL=ERROR and above)'
detection:
keywords:
- 'SAXParseException'
- 'DOMException'
condition: keywords
falsepositives:
- If the application expects to work with XML there may be parsing issues that don't necessarily mean XXE.
level: high
title: Potential Local File Read Vulnerability In JVM Based Application
id: e032f5bc-4563-4096-ae3b-064bab588685
status: test
description: |
Detects potential local file read vulnerability in JVM based apps.
If the exceptions are caused due to user input and contain path traversal payloads then it's a red flag.
references:
- https://www.wix.engineering/post/threat-and-vulnerability-hunting-with-application-server-error-logs
author: Moti Harmats
date: 2023-02-11
tags:
- attack.initial-access
- attack.t1190
logsource:
category: application
product: jvm
definition: 'Requirements: application error logs must be collected (with LOG_LEVEL=ERROR and above)'
detection:
keywords_local_file_read:
'|all':
- 'FileNotFoundException'
- '/../../..'
condition: keywords_local_file_read
falsepositives:
- Application bugs
level: high
title: Potential JNDI Injection Exploitation In JVM Based Application
id: bb0e9cec-d4da-46f5-997f-22efc59f3dca
status: test
description: Detects potential JNDI Injection exploitation. Often coupled with Log4Shell exploitation.
references:
- https://www.wix.engineering/post/threat-and-vulnerability-hunting-with-application-server-error-logs
- https://secariolabs.com/research/analysing-and-reproducing-poc-for-log4j-2-15-0
author: Moti Harmats
date: 2023-02-11
tags:
- attack.initial-access
- attack.t1190
logsource:
category: application
product: jvm
definition: 'Requirements: application error logs must be collected (with LOG_LEVEL=ERROR and above)'
detection:
keywords:
- 'com.sun.jndi.ldap.'
- 'org.apache.logging.log4j.core.net.JndiManager'
condition: keywords
falsepositives:
- Application bugs
level: high
title: Potential OGNL Injection Exploitation In JVM Based Application
id: 4d0af518-828e-4a04-a751-a7d03f3046ad
status: test
description: |
Detects potential OGNL Injection exploitation, which may lead to RCE.
OGNL is an expression language that is supported in many JVM based systems.
OGNL Injection is the reason for some high profile RCE's such as Apache Struts (CVE-2017-5638) and Confluence (CVE-2022-26134)
references:
- https://www.wix.engineering/post/threat-and-vulnerability-hunting-with-application-server-error-logs
author: Moti Harmats
date: 2023-02-11
tags:
- attack.initial-access
- attack.t1190
- cve.2017-5638
- cve.2022-26134
logsource:
category: application
product: jvm
definition: 'Requirements: application error logs must be collected (with LOG_LEVEL=ERROR and above)'
detection:
keywords:
- 'org.apache.commons.ognl.OgnlException'
- 'ExpressionSyntaxException'
condition: keywords
falsepositives:
- Application bugs
level: high
title: Process Execution Error In JVM Based Application
id: d65f37da-a26a-48f8-8159-3dde96680ad2
status: test
description: Detects process execution related exceptions in JVM based apps, often relates to RCE
references:
- https://www.wix.engineering/post/threat-and-vulnerability-hunting-with-application-server-error-logs
author: Moti Harmats
date: 2023-02-11
tags:
- attack.initial-access
- attack.t1190
logsource:
category: application
product: jvm
definition: 'Requirements: application error logs must be collected (with LOG_LEVEL=ERROR and above)'
detection:
keywords:
- 'Cannot run program'
- 'java.lang.ProcessImpl'
- 'java.lang.ProcessBuilder'
condition: keywords
falsepositives:
- Application bugs
level: high
title: Suspicious SQL Error Messages
id: 8a670c6d-7189-4b1c-8017-a417ca84a086
status: test
description: Detects SQL error messages that indicate probing for an injection attack
references:
- http://www.sqlinjection.net/errors
author: Bjoern Kimminich
date: 2017-11-27
modified: 2023-02-12
tags:
- attack.initial-access
- attack.t1190
logsource:
category: application
product: sql
definition: 'Requirements: application error logs must be collected (with LOG_LEVEL ERROR and above)'
detection:
keywords:
# Oracle
- quoted string not properly terminated
# MySQL
- You have an error in your SQL syntax
# SQL Server
- Unclosed quotation mark
# SQLite
- 'near "*": syntax error'
- SELECTs to the left and right of UNION do not have the same number of result columns
condition: keywords
falsepositives:
- A syntax error in MySQL also occurs in non-dynamic (safe) queries if there is an empty in() clause, that may often be the case.
level: high
title: Potential Server Side Template Injection In Velocity
id: 16c86189-b556-4ee8-b4c7-7e350a195a4f
status: test
description: Detects exceptions in velocity template renderer, this most likely happens due to dynamic rendering of user input and may lead to RCE.
references:
- https://antgarsil.github.io/posts/velocity/
- https://www.wix.engineering/post/threat-and-vulnerability-hunting-with-application-server-error-logs
author: Moti Harmats
date: 2023-02-11
tags:
- attack.initial-access
- attack.t1190
logsource:
category: application
product: velocity
definition: 'Requirements: application error logs must be collected (with LOG_LEVEL=ERROR and above)'
detection:
keywords:
- 'ParseErrorException'
- 'VelocityException'
- 'TemplateInitException'
condition: keywords
falsepositives:
- Application bugs
- Missing .vm files
level: high
title: Remote Schedule Task Lateral Movement via ATSvc
id: 0fcd1c79-4eeb-4746-aba9-1b458f7a79cb
status: test
description: Detects remote RPC calls to create or execute a scheduled task via ATSvc
references:
- https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-tsch/d1058a28-7e02-4948-8b8d-4a347fa64931
- https://github.com/jsecurity101/MSRPC-to-ATTACK/blob/ddd4608fe8684fcf2fcf9b48c5f0b3c28097f8a3/documents/MS-TSCH.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.privilege-escalation
- attack.lateral-movement
- attack.execution
- attack.persistence
- attack.t1053
- attack.t1053.002
logsource:
product: rpc_firewall
category: application
definition: 'Requirements: install and apply the RPC Firewall to all processes with "audit:true action:block uuid:1ff70682-0a51-30e8-076d-740be8cee98b"'
detection:
selection:
EventLog: RPCFW
EventID: 3
InterfaceUuid: 1ff70682-0a51-30e8-076d-740be8cee98b
OpNum:
- 0
- 1
condition: selection
falsepositives:
- Unknown
level: high
title: Remote Schedule Task Lateral Movement via SASec
id: aff229ab-f8cd-447b-b215-084d11e79eb0
status: test
description: Detects remote RPC calls to create or execute a scheduled task via SASec
references:
- https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-tsch/d1058a28-7e02-4948-8b8d-4a347fa64931
- https://github.com/jsecurity101/MSRPC-to-ATTACK/blob/ddd4608fe8684fcf2fcf9b48c5f0b3c28097f8a3/documents/MS-TSCH.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.privilege-escalation
- attack.lateral-movement
- attack.execution
- attack.persistence
- attack.t1053
- attack.t1053.002
logsource:
product: rpc_firewall
category: application
definition: 'Requirements: install and apply the RPC Firewall to all processes with "audit:true action:block uuid:378e52b0-c0a9-11cf-822d-00aa0051e40f"'
detection:
selection:
EventLog: RPCFW
EventID: 3
InterfaceUuid: 378e52b0-c0a9-11cf-822d-00aa0051e40f
OpNum:
- 0
- 1
condition: selection
falsepositives:
- Unknown
level: high
title: SharpHound Recon Sessions
id: 6d580420-ff3f-4e0e-b6b0-41b90c787e28
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-srvs/02b1f559-fda2-4ba3-94c2-806eb2777183
- https://github.com/jsecurity101/MSRPC-to-ATTACK/blob/ddd4608fe8684fcf2fcf9b48c5f0b3c28097f8a3/documents/MS-SRVS.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.discovery
- attack.t1033
logsource:
product: rpc_firewall
category: application
definition: 'Requirements: install and apply the RPC Firewall to all processes with "audit:true action:block uuid:4b324fc8-1670-01d3-1278-5a47bf6ee188 opnum:12'
detection:
selection:
EventLog: RPCFW
EventID: 3
InterfaceUuid: 4b324fc8-1670-01d3-1278-5a47bf6ee188
OpNum: 12
condition: selection
falsepositives:
- Unknown
level: high
title: Possible DCSync Attack
id: 56fda488-113e-4ce9-8076-afc2457922c3
status: test
description: Detects remote RPC calls to MS-DRSR from non DC hosts, which could indicate DCSync / DCShadow attacks.
references:
- https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-drsr/f977faaa-673e-4f66-b9bf-48c640241d47?redirectedfrom=MSDN
- https://github.com/jsecurity101/MSRPC-to-ATTACK/blob/ddd4608fe8684fcf2fcf9b48c5f0b3c28097f8a3/documents/MS-DRSR.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.t1033
- attack.discovery
logsource:
product: rpc_firewall
category: application
definition: 'Requirements: install and apply the RPC Firewall to all processes, enable DRSR UUID (e3514235-4b06-11d1-ab04-00c04fc2dcd2) for "dangerous" opcodes (not 0,1 or 12) only from trusted IPs (DCs)'
detection:
selection:
EventLog: RPCFW
EventID: 3
InterfaceUuid: e3514235-4b06-11d1-ab04-00c04fc2dcd2
filter:
OpNum:
- 0
- 1
- 12
condition: selection and not filter
falsepositives:
- Unknown
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: Remote Registry Lateral Movement
id: 35c55673-84ca-4e99-8d09-e334f3c29539
status: test
description: Detects remote RPC calls to modify the registry and possible execute code
references:
- https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-rrp/0fa3191d-bb79-490a-81bd-54c2601b7a78
- https://github.com/jsecurity101/MSRPC-to-ATTACK/blob/ddd4608fe8684fcf2fcf9b48c5f0b3c28097f8a3/documents/MS-RRP.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.lateral-movement
- attack.defense-impairment
- attack.t1112
- attack.persistence
logsource:
product: rpc_firewall
category: application
definition: 'Requirements: install and apply the RPC Firewall to all processes with "audit:true action:block uuid:338cd001-2244-31f1-aaaa-900038001003"'
detection:
selection:
EventLog: RPCFW
EventID: 3
InterfaceUuid: 338cd001-2244-31f1-aaaa-900038001003
OpNum:
- 6
- 7
- 8
- 13
- 18
- 19
- 21
- 22
- 23
- 35
condition: selection
falsepositives:
- Remote administration of registry values
level: high
title: Remote Schedule Task Lateral Movement via ITaskSchedulerService
id: ace3ff54-e7fd-46bd-8ea0-74b49a0aca1d
status: test
description: Detects remote RPC calls to create or execute a scheduled task
references:
- https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-tsch/d1058a28-7e02-4948-8b8d-4a347fa64931
- https://github.com/jsecurity101/MSRPC-to-ATTACK/blob/ddd4608fe8684fcf2fcf9b48c5f0b3c28097f8a3/documents/MS-TSCH.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.privilege-escalation
- attack.persistence
- attack.execution
- attack.lateral-movement
- attack.t1053
- attack.t1053.002
logsource:
product: rpc_firewall
category: application
definition: 'Requirements: install and apply the RPC Firewall to all processes with "audit:true action:block uuid:86d35949-83c9-4044-b424-db363231fd0c"'
detection:
selection:
EventLog: RPCFW
EventID: 3
InterfaceUuid: 86d35949-83c9-4044-b424-db363231fd0c
OpNum:
- 1
- 3
- 4
- 10
- 11
- 12
- 13
- 14
- 15
condition: selection
falsepositives:
- Unknown
level: high
title: Remote DCOM/WMI Lateral Movement
id: 68050b10-e477-4377-a99b-3721b422d6ef
status: test
description: Detects remote RPC calls that performs remote DCOM operations. These could be abused for lateral movement via DCOM or WMI.
references:
- https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-srvs/accf23b0-0f57-441c-9185-43041f1b0ee9
- 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.lateral-movement
- attack.execution
- attack.t1021.003
- attack.t1047
logsource:
product: rpc_firewall
category: application
definition: 'Requirements: install and apply the RPC Firewall to all processes with "audit:true action:block uuid:367abb81-9844-35f1-ad32-98f038001003'
detection:
selection:
EventLog: RPCFW
EventID: 3
InterfaceUuid:
- 4d9f4ab8-7d1c-11cf-861e-0020af6e7c57
- 99fcfec4-5260-101b-bbcb-00aa0021347a
- 000001a0-0000-0000-c000-000000000046
- 00000131-0000-0000-c000-000000000046
- 00000143-0000-0000-c000-000000000046
- 00000000-0000-0000-c000-000000000046
condition: selection
falsepositives:
- Some administrative tasks on remote host
level: high
title: Potential RCE Exploitation Attempt In NodeJS
id: 97661d9d-2beb-4630-b423-68985291a8af
status: test
description: Detects process execution related errors in NodeJS. If the exceptions are caused due to user input then they may suggest an RCE vulnerability.
references:
- https://www.wix.engineering/post/threat-and-vulnerability-hunting-with-application-server-error-logs
author: Moti Harmats
date: 2023-02-11
tags:
- attack.initial-access
- attack.t1190
logsource:
category: application
product: nodejs
definition: 'Requirements: application error logs must be collected (with LOG_LEVEL=ERROR and above)'
detection:
keywords:
- 'node:child_process'
condition: keywords
falsepositives:
- Puppeteer invocation exceptions often contain child_process related errors, that doesn't necessarily mean that the app is vulnerable.
level: high
title: Github High Risk Configuration Disabled
id: 8622c92d-c00e-463c-b09d-fd06166f6794
status: test
description: Detects when a user disables a critical security feature for an organization.
references:
- https://docs.github.com/en/organizations/managing-oauth-access-to-your-organizations-data/disabling-oauth-app-access-restrictions-for-your-organization
- https://docs.github.com/en/organizations/keeping-your-organization-secure/managing-security-settings-for-your-organization/reviewing-the-audit-log-for-your-organization#dependabot_alerts-category-actions
- https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/enabling-features-for-your-repository/managing-security-and-analysis-settings-for-your-repository
- https://docs.github.com/en/enterprise-cloud@latest/admin/monitoring-activity-in-your-enterprise/reviewing-audit-logs-for-your-enterprise/audit-log-events-for-your-enterprise
author: Muhammad Faisal (@faisalusuf)
date: 2023-01-29
modified: 2024-07-22
tags:
- attack.credential-access
- attack.persistence
- attack.defense-impairment
- attack.t1556
logsource:
product: github
service: audit
definition: 'Requirements: The audit log streaming feature must be enabled to be able to receive such logs. You can enable following the documentation here: https://docs.github.com/en/enterprise-cloud@latest/admin/monitoring-activity-in-your-enterprise/reviewing-audit-logs-for-your-enterprise/streaming-the-audit-log-for-your-enterprise#setting-up-audit-log-streaming'
detection:
selection:
action:
- 'business_advanced_security.disabled_for_new_repos'
- 'business_advanced_security.disabled_for_new_user_namespace_repos'
- 'business_advanced_security.disabled'
- 'business_advanced_security.user_namespace_repos_disabled'
- 'org.advanced_security_disabled_for_new_repos'
- 'org.advanced_security_disabled_on_all_repos'
- 'org.advanced_security_policy_selected_member_disabled'
- 'org.disable_oauth_app_restrictions'
- 'org.disable_two_factor_requirement'
- 'repo.advanced_security_disabled'
condition: selection
falsepositives:
- Approved administrator/owner activities.
level: high
title: Potential SpEL Injection In Spring Framework
id: e9edd087-89d8-48c9-b0b4-5b9bb10896b8
status: test
description: Detects potential SpEL Injection exploitation, which may lead to RCE.
references:
- https://owasp.org/www-community/vulnerabilities/Expression_Language_Injection
- https://www.wix.engineering/post/threat-and-vulnerability-hunting-with-application-server-error-logs
author: Moti Harmats
date: 2023-02-11
tags:
- attack.initial-access
- attack.t1190
logsource:
category: application
product: spring
definition: 'Requirements: application error logs must be collected (with LOG_LEVEL=ERROR and above)'
detection:
keywords:
- 'org.springframework.expression.ExpressionException'
condition: keywords
falsepositives:
- Application bugs
level: high
title: Suspicious Microsoft Office Child Process - MacOS
id: 69483748-1525-4a6c-95ca-90dc8d431b68
status: test
description: Detects suspicious child processes spawning from microsoft office suite applications such as word or excel. This could indicates malicious macro execution
references:
- https://redcanary.com/blog/applescript/
- https://objective-see.org/blog/blog_0x4B.html
author: Sohan G (D4rkCiph3r)
date: 2023-01-31
modified: 2023-02-04
tags:
- attack.execution
- attack.persistence
- attack.t1059.002
- attack.t1137.002
- attack.t1204.002
logsource:
product: macos
category: process_creation
detection:
selection:
ParentImage|contains:
- 'Microsoft Word'
- 'Microsoft Excel'
- 'Microsoft PowerPoint'
- 'Microsoft OneNote'
Image|endswith:
- '/bash'
- '/curl'
- '/dash'
- '/fish'
- '/osacompile'
- '/osascript'
- '/sh'
- '/zsh'
- '/python'
- '/python3'
- '/wget'
condition: selection
falsepositives:
- Unknown
level: high
title: Binary Padding - MacOS
id: 95361ce5-c891-4b0a-87ca-e24607884a96
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
- https://linux.die.net/man/1/truncate
- https://linux.die.net/man/1/dd
author: 'Igor Fits, Mikhail Larin, oscd.community'
date: 2020-10-19
modified: 2023-02-17
tags:
- attack.stealth
- attack.t1027.001
logsource:
product: macos
category: process_creation
detection:
selection_truncate:
Image|endswith: '/truncate'
CommandLine|contains: '-s +'
selection_dd:
Image|endswith: '/dd'
CommandLine|contains:
- 'if=/dev/zero' # if input is not /dev/zero, then there is no null padding
- 'if=/dev/random' # high-quality random data
- 'if=/dev/urandom' # low-quality random data
condition: 1 of selection_*
falsepositives:
- Legitimate script work
level: high
title: JXA In-memory Execution Via OSAScript
id: f1408a58-0e94-4165-b80a-da9f96cf6fc3
related:
- id: 1bc2e6c5-0885-472b-bed6-be5ea8eace55
type: derived
status: test
description: Detects possible malicious execution of JXA in-memory via OSAScript
references:
- https://redcanary.com/blog/applescript/
author: Sohan G (D4rkCiph3r)
date: 2023-01-31
tags:
- attack.t1059.002
- attack.t1059.007
- attack.execution
logsource:
product: macos
category: process_creation
detection:
selection_main:
CommandLine|contains|all:
- 'osascript'
- ' -e '
- 'eval'
- 'NSData.dataWithContentsOfURL'
selection_js:
- CommandLine|contains|all:
- ' -l '
- 'JavaScript'
- CommandLine|contains: '.js'
condition: all of selection_*
falsepositives:
- Unknown
level: high
title: Clipboard Data Collection Via OSAScript
id: 7794fa3c-edea-4cff-bec7-267dd4770fd7
related:
- id: 1bc2e6c5-0885-472b-bed6-be5ea8eace55
type: derived
status: test
description: Detects possible collection of data from the clipboard via execution of the osascript binary
references:
- https://www.sentinelone.com/blog/how-offensive-actors-use-applescript-for-attacking-macos/
author: Sohan G (D4rkCiph3r)
date: 2023-01-31
tags:
- attack.collection
- attack.execution
- attack.t1115
- attack.t1059.002
logsource:
product: macos
category: process_creation
detection:
selection:
CommandLine|contains|all:
- 'osascript'
- ' -e '
- 'clipboard'
condition: selection
falsepositives:
- Unlikely
level: high
title: Potential Base64 Decoded From Images
id: 09a910bf-f71f-4737-9c40-88880ba5913d
status: test
description: |
Detects the use of tail to extract bytes at an offset from an image and then decode the base64 value to create a new file with the decoded content. The detected execution is a bash one-liner.
references:
- https://www.virustotal.com/gui/file/16bafdf741e7a13137c489f3c8db1334f171c7cb13b62617d691b0a64783cc48/behavior
- https://www.virustotal.com/gui/file/483fafc64a2b84197e1ef6a3f51e443f84dc5742602e08b9e8ec6ad690b34ed0/behavior
author: Joseliyo Sanchez, @Joseliyo_Jstnk
date: 2023-12-20
tags:
- attack.stealth
- attack.t1140
logsource:
product: macos
category: process_creation
detection:
# Example: /bin/bash sh -c tail -c +21453 '/Volumes/Installer/Installer.app/Contents/Resources/workout-logo.jpeg' | base64 --decode > /tmp/54A0A2CD-FAD1-4D4D-AAF5-5266F6344ABE.zip
# VT Query: 'behavior_processes:"tail" (behavior_processes:"jpeg" or behavior_processes:"jpg" or behavior_processes:"png" or behavior_processes:"gif") behavior_processes:"base64" behavior_processes:"--decode >" and tag:dmg'
selection_image:
Image|endswith: '/bash'
selection_view:
CommandLine|contains|all:
- 'tail'
- '-c'
selection_b64:
CommandLine|contains|all:
- 'base64'
- '-d' # Also covers "--decode"
- '>'
selection_files:
CommandLine|contains:
- '.avif'
- '.gif'
- '.jfif'
- '.jpeg'
- '.jpg'
- '.pjp'
- '.pjpeg'
- '.png'
- '.svg'
- '.webp'
condition: all of selection_*
falsepositives:
- Unknown
level: high
title: AWS IAM S3Browser User or AccessKey Creation
id: db014773-d9d9-4792-91e5-133337c0ffee
status: test
description: Detects S3 Browser utility creating IAM User or AccessKey.
references:
- https://permiso.io/blog/s/unmasking-guivil-new-cloud-threat-actor
author: daniel.bohannon@permiso.io (@danielhbohannon)
date: 2023-05-17
tags:
- attack.privilege-escalation
- attack.execution
- attack.persistence
- attack.initial-access
- attack.stealth
- attack.t1059.009
- attack.t1078.004
logsource:
product: aws
service: cloudtrail
detection:
selection:
eventSource: 'iam.amazonaws.com'
eventName:
- 'CreateUser'
- 'CreateAccessKey'
userAgent|contains: 'S3 Browser'
condition: selection
falsepositives:
- Valid usage of S3 Browser for IAM User and/or AccessKey creation
level: high
title: AWS Identity Center Identity Provider Change
id: d3adb3ef-b7e7-4003-9092-1924c797db35
status: test
description: |
Detects a change in the AWS Identity Center (FKA AWS SSO) identity provider.
A change in identity provider allows an attacker to establish persistent access or escalate privileges via user impersonation.
references:
- https://docs.aws.amazon.com/singlesignon/latest/userguide/app-enablement.html
- https://docs.aws.amazon.com/singlesignon/latest/userguide/sso-info-in-cloudtrail.html
- https://docs.aws.amazon.com/service-authorization/latest/reference/list_awsiamidentitycentersuccessortoawssinglesign-on.html
author: Michael McIntyre @wtfender
date: 2023-09-27
tags:
- attack.persistence
- attack.credential-access
- attack.defense-impairment
- attack.t1556
logsource:
product: aws
service: cloudtrail
detection:
selection:
eventSource:
- 'sso-directory.amazonaws.com'
- 'sso.amazonaws.com'
eventName:
- 'AssociateDirectory'
- 'DisableExternalIdPConfigurationForDirectory'
- 'DisassociateDirectory'
- 'EnableExternalIdPConfigurationForDirectory'
condition: selection
falsepositives:
- Authorized changes to the AWS account's identity provider
level: high
title: AWS EC2 Startup Shell Script Change
id: 1ab3c5ed-5baf-417b-bb6b-78ca33f6c3df
status: test
description: Detects changes to the EC2 instance startup script. The shell script will be executed as root/SYSTEM every time the specific instances are booted up.
references:
- https://github.com/RhinoSecurityLabs/pacu/blob/866376cd711666c775bbfcde0524c817f2c5b181/pacu/modules/ec2__startup_shell_script/main.py#L9
author: faloker
date: 2020-02-12
modified: 2022-06-07
tags:
- attack.execution
- attack.t1059.001
- attack.t1059.003
- attack.t1059.004
logsource:
product: aws
service: cloudtrail
detection:
selection_source:
eventSource: ec2.amazonaws.com
requestParameters.attribute: 'userData'
eventName: ModifyInstanceAttribute
condition: selection_source
falsepositives:
- Valid changes to the startup script
level: high
title: Malicious Usage Of IMDS Credentials Outside Of AWS Infrastructure
id: 352a918a-34d8-4882-8470-44830c507aa3
status: test
description: |
Detects when an instance identity has taken an action that isn't inside SSM.
This can indicate that a compromised EC2 instance is being used as a pivot point.
references:
- https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-identity-roles.html
- https://ermetic.com/blog/aws/aws-ec2-imds-what-you-need-to-know/
- https://www.packetmischief.ca/2023/07/31/amazon-ec2-credential-exfiltration-how-it-happens-and-how-to-mitigate-it/#lifting-credentials-from-imds-this-is-why-we-cant-have-nice-things
author: jamesc-grafana
date: 2024-07-11
tags:
- attack.privilege-escalation
- attack.initial-access
- attack.persistence
- attack.stealth
- attack.t1078
- attack.t1078.002
logsource:
product: aws
service: cloudtrail
detection:
selection:
userIdentity.arn|re: '.+:assumed-role/aws:.+'
filter_main_generic:
- eventSource: 'ssm.amazonaws.com'
- eventName: 'RegisterManagedInstance'
- sourceIPAddress: 'AWS Internal'
condition: selection and not 1 of filter_main_*
falsepositives:
- A team has configured an EC2 instance to use instance profiles that grant the option for the EC2 instance to talk to other AWS Services
level: high
title: AWS User Login Profile Was Modified
id: 055fb148-60f8-462d-ad16-26926ce050f1
status: test
description: |
Detects activity when someone is changing passwords on behalf of other users.
An attacker with the "iam:UpdateLoginProfile" permission on other users can change the password used to login to the AWS console on any user that already has a login profile setup.
references:
- https://github.com/RhinoSecurityLabs/AWS-IAM-Privilege-Escalation
author: toffeebr33k
date: 2021-08-09
modified: 2024-04-26
tags:
- attack.persistence
- attack.privilege-escalation
- attack.t1098
logsource:
product: aws
service: cloudtrail
detection:
selection:
eventSource: 'iam.amazonaws.com'
eventName: 'UpdateLoginProfile'
filter_main_user_identity:
userIdentity.arn|fieldref: requestParameters.userName
condition: selection and not 1 of filter_main_*
falsepositives:
- Legitimate user account administration
level: high
title: AWS IAM S3Browser LoginProfile Creation
id: db014773-b1d3-46bd-ba26-133337c0ffee
status: test
description: Detects S3 Browser utility performing reconnaissance looking for existing IAM Users without a LoginProfile defined then (when found) creating a LoginProfile.
references:
- https://permiso.io/blog/s/unmasking-guivil-new-cloud-threat-actor
author: daniel.bohannon@permiso.io (@danielhbohannon)
date: 2023-05-17
tags:
- attack.execution
- attack.persistence
- attack.initial-access
- attack.privilege-escalation
- attack.stealth
- attack.t1059.009
- attack.t1078.004
logsource:
product: aws
service: cloudtrail
detection:
selection:
eventSource: 'iam.amazonaws.com'
eventName:
- 'GetLoginProfile'
- 'CreateLoginProfile'
userAgent|contains: 'S3 Browser'
condition: selection
falsepositives:
- Valid usage of S3 Browser for IAM LoginProfile listing and/or creation
level: high
title: AWS IAM S3Browser Templated S3 Bucket Policy Creation
id: db014773-7375-4f4e-b83b-133337c0ffee
status: test
description: Detects S3 browser utility creating Inline IAM policy containing default S3 bucket name placeholder value of "<YOUR-BUCKET-NAME>".
references:
- https://permiso.io/blog/s/unmasking-guivil-new-cloud-threat-actor
author: daniel.bohannon@permiso.io (@danielhbohannon)
date: 2023-05-17
tags:
- attack.execution
- attack.stealth
- attack.t1059.009
- attack.persistence
- attack.initial-access
- attack.privilege-escalation
- attack.t1078.004
logsource:
product: aws
service: cloudtrail
detection:
selection:
eventSource: iam.amazonaws.com
eventName: PutUserPolicy
userAgent|contains: 'S3 Browser'
requestParameters|contains|all:
- '"arn:aws:s3:::<YOUR-BUCKET-NAME>/*"'
- '"s3:GetObject"'
- '"Allow"'
condition: selection
falsepositives:
- Valid usage of S3 browser with accidental creation of default Inline IAM policy without changing default S3 bucket name placeholder value
level: high
title: Suspicious Inbox Forwarding Identity Protection
id: 27e4f1d6-ae72-4ea0-8a67-77a73a289c3d
status: test
description: Indicates suspicious rules such as an inbox rule that forwards a copy of all emails to an external address
references:
- https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#suspicious-inbox-forwarding
- 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.t1114.003
- attack.collection
logsource:
product: azure
service: riskdetection
detection:
selection:
riskEventType: 'suspiciousInboxForwarding'
condition: selection
falsepositives:
- A legitimate forwarding rule.
level: high
title: Password Spray Activity
id: 28ecba0a-c743-4690-ad29-9a8f6f25a6f9
status: test
description: Indicates that a password spray attack has been successfully performed.
references:
- https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#password-spray
- 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.t1110
- attack.credential-access
logsource:
product: azure
service: riskdetection
detection:
selection:
riskEventType: 'passwordSpray'
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: Azure AD Account Credential Leaked
id: 19128e5e-4743-48dc-bd97-52e5775af817
status: test
description: Indicates that the user's valid credentials have been leaked.
references:
- https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#leaked-credentials
- 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.t1589
- attack.reconnaissance
logsource:
product: azure
service: riskdetection
detection:
selection:
riskEventType: 'leakedCredentials'
condition: selection
falsepositives:
- A rare hash collision.
level: high
title: Activity From Anonymous IP Address
id: be4d9c86-d702-4030-b52e-c7859110e5e8
status: test
description: Identifies that users were active from an IP address that has been identified as an anonymous proxy IP address.
references:
- https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#activity-from-anonymous-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: 2023-09-03
tags:
- attack.stealth
- attack.t1078
- attack.persistence
- attack.privilege-escalation
- attack.initial-access
logsource:
product: azure
service: riskdetection
detection:
selection:
riskEventType: 'riskyIPAddress'
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: Suspicious Browser Activity
id: 944f6adb-7a99-4c69-80c1-b712579e93e6
status: test
description: Indicates anomalous behavior based on suspicious sign-in activity across multiple tenants from different countries in the same browser
references:
- https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#suspicious-browser
- 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.stealth
- attack.t1078
- attack.persistence
- attack.privilege-escalation
- attack.initial-access
logsource:
product: azure
service: riskdetection
detection:
selection:
riskEventType: 'suspiciousBrowser'
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: New Country
id: adf9f4d2-559e-4f5c-95be-c28dff0b1476
status: test
description: Detects sign-ins from new countries. The detection considers past activity locations to determine new and infrequent locations.
references:
- https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#new-country
- 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.stealth
- attack.t1078
- attack.persistence
- attack.privilege-escalation
- attack.initial-access
logsource:
product: azure
service: riskdetection
detection:
selection:
riskEventType: 'newCountry'
condition: selection
falsepositives:
- We recommend investigating the sessions flagged by this detection in the context of other sign-ins from the user.
level: high