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.registry-*
- endgame-*
- logs-windows.sysmon_operational-*
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:
Tags:
- Domain: Endpoint
- OS: Windows
- Use Case: Threat Detection
- Tactic: Persistence
- Tactic: Defense Evasion
- Data Source: Elastic Endgame
- Data Source: Elastic Defend
- Data Source: Sysmon
Version: 107
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule queryedit
registry where host.os.type == "windows" and 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",
"\\REGISTRY\\MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Image File Execution Options\\*.exe\\Debugger",
"\\REGISTRY\\MACHINE\\SOFTWARE\\WOW6432Node\\Microsoft\\Windows NT\\CurrentVersion\\Image File Execution Options\\*\\Debugger",
"\\REGISTRY\\MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\SilentProcessExit\\*\\MonitorProcess",
"\\REGISTRY\\MACHINE\\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\\.*""")
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: Image File Execution Options Injection
- ID: T1546.012
- Reference URL: https://attack.mitre.org/techniques/T1546/012/
-
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/