Detectionhightest
Invoke-Obfuscation Via Stdin - System
Detects Obfuscated Powershell via Stdin in Scripts
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Nikita Nazarov, oscd.communityCreated Mon Oct 12Updated Tue Nov 29487c7524-f892-4054-b263-8a0ace63fc25windows
Log Source
Windowssystem
ProductWindows← raw: windows
Servicesystem← raw: system
Detection Logic
Detection Logic1 selector
detection:
selection:
Provider_Name: 'Service Control Manager'
EventID: 7045
# ImagePath|re: '(?i)(set).*&&\s?set.*(environment|invoke|\${?input).*&&.*"'
ImagePath|contains|all:
- 'set'
- '&&'
ImagePath|contains:
- 'environment'
- 'invoke'
- 'input'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Techniques
Sub-techniques
Rule Metadata
Rule ID
487c7524-f892-4054-b263-8a0ace63fc25
Status
test
Level
high
Type
Detection
Created
Mon Oct 12
Modified
Tue Nov 29
Author
Path
rules/windows/builtin/system/service_control_manager/win_system_invoke_obfuscation_via_stdin_services.yml
Raw Tags
attack.defense-evasionattack.t1027attack.executionattack.t1059.001