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Detectionmediumtest

Invoke-Obfuscation RUNDLL LAUNCHER - PowerShell Module

Detects Obfuscated Powershell via RUNDLL LAUNCHER

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Timur Zinniatullin, oscd.communityCreated Sun Oct 18Updated Tue Nov 29a23791fe-8846-485a-b16b-ca691e1b03d4windows
Log Source
WindowsPowerShell Module
ProductWindows← raw: windows
CategoryPowerShell Module← raw: ps_module

Definition

0ad03ef1-f21b-4a79-8ce8-e6900c54b65b

Detection Logic
Detection Logic1 selector
detection:
    selection_4103:
        Payload|contains|all:
            - 'rundll32.exe'
            - 'shell32.dll'
            - 'shellexec_rundll'
            - 'powershell'
    condition: selection_4103
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
Related Rules
DerivedDetectionmedium

Invoke-Obfuscation RUNDLL LAUNCHER - PowerShell

Detects Obfuscated Powershell via RUNDLL LAUNCHER

This rule was derived from the related rule - both detect similar activity with different scope.

Rule Metadata
Rule ID
a23791fe-8846-485a-b16b-ca691e1b03d4
Status
test
Level
medium
Type
Detection
Created
Sun Oct 18
Modified
Tue Nov 29
Author
Timur Zinniatullin, oscd.community
Path
rules/windows/powershell/powershell_module/posh_pm_invoke_obfuscation_via_rundll.yml
Raw Tags
attack.defense-evasionattack.t1027attack.executionattack.t1059.001
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