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Registry Persistence via AppInit DLL
editRegistry Persistence via AppInit DLL
editAttackers 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 guide
editRule query
editregistry 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/