IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Image File Execution Options Injection
editImage File Execution Options Injection
editThe Debugger and SilentProcessExit registry keys can allow an adversary to intercept the execution of files, causing a different process to be executed. This functionality can be abused by an adversary to establish persistence.
Rule type: eql
Rule indices:
- logs-endpoint.events.*
Severity: medium
Risk score: 41
Runs every: 5 minutes
Searches indices from: now-9m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Persistence
Version: 5 (version history)
Added (Elastic Stack release): 7.11.0
Last modified (Elastic Stack release): 8.1.0
Rule authors: Elastic
Rule license: Elastic License v2
Rule query
editregistry where length(registry.data.strings) > 0 and registry.path : ("HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Image File Execution Options\\*.exe\\Debugger", "HKLM\\SOFTWARE\\WOW6432Node\\Microsoft\\Windows NT\\CurrentVersion\\Image File Execution Options\\*\\Debugger", "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\SilentProcessExit\\*\\MonitorProcess", "HKLM\\SOFTWARE\\WOW6432Node\\Microsoft\\Windows NT\\CurrentVersion\\SilentProcessExit\\*\\MonitorProcess") and /* add FPs here */ not registry.data.strings regex~ ("""C:\\Program Files( \(x86\))?\\ThinKiosk\\thinkiosk\.exe""", """.*\\PSAppDeployToolkit\\.*""")
Threat mapping
editFramework: 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/
Rule version history
edit- Version 5 (8.1.0 release)
-
- Formatting only
- Version 4 (7.14.0 release)
-
-
Updated query, changed from:
registry where length(registry.data.strings) > 0 and registry.path : ("HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Image File Execution Options\\*.exe\\Debugger", "HKLM\\SOFTWARE\\WOW6432Node\\Microsoft\\Windows NT\\CurrentVersion\\Image File Execution Options\\*\\Debugger", "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\SilentProcessExit\\*\\MonitorProcess", "HKLM\\SOFTWARE\\WOW6432Node\\Microsoft\\Windows NT\\CurrentVersion\\SilentProcessExit\\*\\MonitorProcess") and /* add FPs here */ not registry.data.strings : ("C:\\Program Files*\\ThinKiosk\\thinkiosk.exe", "*\\PSAppDeployToolkit\\*")
-
- Version 3 (7.12.0 release)
-
- Formatting only
- Version 2 (7.11.2 release)
-
- Formatting only