Execute Pcwrun.EXE To Leverage Follina

Description

Detects indirect command execution via Program Compatibility Assistant "pcwrun.exe" leveraging the follina (CVE-2022-30190) vulnerability

Query · sigma

selection:
  Image|endswith: \pcwrun.exe
  CommandLine|contains: ../
condition: selection

Known false positives

  • Unlikely
Raw source Execute Pcwrun.EXE To Leverage Follina · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Execute Pcwrun.EXE To Leverage Follina
id: 6004abd0-afa4-4557-ba90-49d172e0a299
status: test
description: Detects indirect command execution via Program Compatibility Assistant "pcwrun.exe" leveraging the follina (CVE-2022-30190) vulnerability
references:
    - https://twitter.com/nas_bench/status/1535663791362519040
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-06-13
tags:
    - attack.stealth
    - attack.t1218
    - attack.execution
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\pcwrun.exe'
        CommandLine|contains: '../'
    condition: selection
falsepositives:
    - Unlikely
level: high

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