Phoenix
Sigma IntelligenceBeta
Back to Rules
Detectionhightest

Invoke-Obfuscation Via Use Rundll32 - System

Detects Obfuscated Powershell via use Rundll32 in Scripts

Convert In Phoenix Studio

Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.

Launch
Nikita Nazarov, oscd.communityCreated Fri Oct 09Updated Tue Nov 29641a4bfb-c017-44f7-800c-2aee0184ce9bwindows
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:
            - '&&'
            - 'rundll32'
            - 'shell32.dll'
            - 'shellexec_rundll'
        ImagePath|contains:
            - 'value'
            - 'invoke'
            - 'comspec'
            - 'iex'
    condition: selection
False Positives
Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

References
1
Resolving title…
github.com
MITRE ATT&CK
Rule Metadata
Rule ID
641a4bfb-c017-44f7-800c-2aee0184ce9b
Status
test
Level
high
Type
Detection
Created
Fri Oct 09
Modified
Tue Nov 29
Author
Nikita Nazarov, oscd.community
Path
rules/windows/builtin/system/service_control_manager/win_system_invoke_obfuscation_via_use_rundll32_services.yml
Raw Tags
attack.defense-evasionattack.t1027attack.executionattack.t1059.001
View on GitHub