Detectionmediumtest
Invoke-Obfuscation COMPRESS OBFUSCATION - System
Detects Obfuscated Powershell via COMPRESS OBFUSCATION
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Timur Zinniatullin, oscd.communityCreated Sun Oct 18Updated Tue Nov 29175997c5-803c-4b08-8bb0-70b099f47595windows
Log Source
Windowssystem
ProductWindows← raw: windows
Servicesystem← raw: system
Detection Logic
Detection Logic1 selector
detection:
selection:
Provider_Name: 'Service Control Manager'
EventID: 7045
ImagePath|contains|all:
- 'new-object'
- 'text.encoding]::ascii'
- 'readtoend'
ImagePath|contains:
- ':system.io.compression.deflatestream'
- 'system.io.streamreader'
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
175997c5-803c-4b08-8bb0-70b099f47595
Status
test
Level
medium
Type
Detection
Created
Sun Oct 18
Modified
Tue Nov 29
Author
Path
rules/windows/builtin/system/service_control_manager/win_system_invoke_obfuscation_via_compress_services.yml
Raw Tags
attack.defense-evasionattack.t1027attack.executionattack.t1059.001