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Registry Persistence via AppInit DLLedit
Attackers may maintain persistence by creating registry keys using AppInit DLLs. AppInit DLLs are loaded by every process using the common library, user32.dll.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
Severity: medium
Risk score: 47
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:
- Elastic
- Host
- Windows
- Threat Detection
- Persistence
Version: 101
Rule authors:
- Elastic
Rule license: Elastic License v2
Investigation guideedit
Rule queryedit
registry where registry.path : ("HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Windows\\AppInit_Dlls", "HKLM\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows NT\\CurrentVersion\\Windows\\AppInit_Dlls") and not process.executable : ("C:\\Windows\\System32\\msiexec.exe", "C:\\Windows\\SysWOW64\\msiexec.exe", "C:\\Program Files\\Commvault\\ContentStore*\\Base\\cvd.exe", "C:\\Program Files (x86)\\Commvault\\ContentStore*\\Base\\cvd.exe")
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
-
Technique:
- Name: Event Triggered Execution
- ID: T1546
- Reference URL: https://attack.mitre.org/techniques/T1546/
-
Sub-technique:
- Name: AppInit DLLs
- ID: T1546.010
- Reference URL: https://attack.mitre.org/techniques/T1546/010/