Invoke-Obfuscation CLIP+ Launcher - PowerShell

testhigh

log source: windows · ps_scriptauthor Jonathan Cheong, oscd.communitydate 2020-10-13

description

What this is, in brief.

Detects Obfuscated use of Clip.exe to execute PowerShell

rule source (YAML)

title: Invoke-Obfuscation CLIP+ Launcher - PowerShell
id: 73e67340-0d25-11eb-adc1-0242ac120002
status: test
description: Detects Obfuscated use of Clip.exe to execute PowerShell
references:
    - https://github.com/SigmaHQ/sigma/issues/1009  # (Task 26)
author: Jonathan Cheong, oscd.community
date: 2020-10-13
modified: 2024-04-05
tags:
    - attack.stealth
    - attack.t1027
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    category: ps_script
    definition: 'Requirements: Script Block Logging must be enabled'
detection:
    selection_4104:
        ScriptBlockText|re: 'cmd.{0,5}(?:/c|/r).+clip(?:\.exe)?.{0,4}&&.+clipboard]::\(\s\\"\{\d\}.+-f.+"'
    condition: selection_4104
falsepositives:
    - Unknown
level: high

detects techniques (2)

ATT&CK techniques this enables or maps to.

references

External citations — patches, advisories, analysis.

https://github.com/SigmaHQ/sigma/issues/1009