Detectionmediumtest

Suspicious GetTypeFromCLSID ShellExecute

Detects suspicious Powershell code that execute COM Objects

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Launch

François HubautCreated Sat Apr 028bc063d5-3a3a-4f01-a140-bc15e55e8437windows

Log Source

WindowsPowerShell Script

ProductWindows← raw: windows

CategoryPowerShell Script← raw: ps_script

Definition

Requirements: Script Block Logging must be enabled

Detection Logic

detection:
    selection:
        ScriptBlockText|contains|all:
            - '::GetTypeFromCLSID('
            - '.ShellExecute('
    condition: selection

False Positives

Legitimate PowerShell scripts

References

Resolving title…

github.com

MITRE ATT&CK

Tactics

TA0004 · Privilege Escalation TA0003 · Persistence

Sub-techniques

T1546.015 · Component Object Model Hijacking

Rule Metadata

Rule ID

8bc063d5-3a3a-4f01-a140-bc15e55e8437

Status

test

Level

medium

Type

Detection

Created

Sat Apr 02

Author

François Hubaut

Path

rules/windows/powershell/powershell_script/posh_ps_susp_gettypefromclsid.yml

Raw Tags

attack.privilege-escalationattack.persistenceattack.t1546.015

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