IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Unusual Persistence via Services Registry
editUnusual Persistence via Services Registry
editIdentifies processes modifying the services registry key directly, instead of through the expected Windows APIs. This could be an indication of an adversary attempting to stealthily persist through abnormal service creation or modification of an existing service.
Rule type: eql
Rule indices:
- logs-endpoint.events.*
- endgame-*
Severity: low
Risk score: 21
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
References: None
Tags:
- Domain: Endpoint
- OS: Windows
- Use Case: Threat Detection
- Tactic: Persistence
- Tactic: Defense Evasion
- Data Source: Elastic Endgame
- Data Source: Elastic Defend
Version: 105
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editregistry where host.os.type == "windows" and registry.path : ( "HKLM\\SYSTEM\\ControlSet*\\Services\\*\\ServiceDLL", "HKLM\\SYSTEM\\ControlSet*\\Services\\*\\ImagePath", "\\REGISTRY\\MACHINE\\SYSTEM\\ControlSet*\\Services\\*\\ServiceDLL", "\\REGISTRY\\MACHINE\\SYSTEM\\ControlSet*\\Services\\*\\ImagePath" ) and not registry.data.strings : ( "?:\\windows\\system32\\Drivers\\*.sys", "\\SystemRoot\\System32\\drivers\\*.sys", "\\??\\?:\\Windows\\system32\\Drivers\\*.SYS", "system32\\DRIVERS\\USBSTOR") and not (process.name : "procexp??.exe" and registry.data.strings : "?:\\*\\procexp*.sys") and not process.executable : ( "?:\\Program Files\\*.exe", "?:\\Program Files (x86)\\*.exe", "?:\\Windows\\System32\\svchost.exe", "?:\\Windows\\winsxs\\*\\TiWorker.exe", "?:\\Windows\\System32\\drvinst.exe", "?:\\Windows\\System32\\services.exe", "?:\\Windows\\System32\\msiexec.exe", "?:\\Windows\\System32\\regsvr32.exe")
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
-
Technique:
- Name: Create or Modify System Process
- ID: T1543
- Reference URL: https://attack.mitre.org/techniques/T1543/
-
Sub-technique:
- Name: Windows Service
- ID: T1543.003
- Reference URL: https://attack.mitre.org/techniques/T1543/003/
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Modify Registry
- ID: T1112
- Reference URL: https://attack.mitre.org/techniques/T1112/