Image File Execution Options Injectionedit
The 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: 47
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: 100 (version history)
Added (Elastic Stack release): 7.11.0
Last modified (Elastic Stack release): 8.5.0
Rule authors: Elastic
Rule license: Elastic License v2
Rule queryedit
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 regex~ ("""C:\\Program
Files( \(x86\))?\\ThinKiosk\\thinkiosk\.exe""",
""".*\\PSAppDeployToolkit\\.*""")
Threat mappingedit
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/
Rule version historyedit
- Version 100 (8.5.0 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 regex~ ("""C:\\Program Files( \(x86\))?\\ThinKiosk\\thinkiosk\.exe""", """.*\\PSAppDeployToolkit\\.*""")
-
- Version 6 (8.4.0 release)
-
- Formatting only
- 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