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Execute Pcwrun.EXE To Leverage Follina

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

MITRE ATT&CK

T1218

defense-evasionexecution

Detection Query

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

Author

Nasreddine Bencherchali (Nextron Systems)

Created

2022-06-13

Data Sources

windowsProcess Creation Events

Platforms

windows

References

https://twitter.com/nas_bench/status/1535663791362519040

Tags

attack.defense-evasionattack.t1218attack.execution

Raw Content

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.defense-evasion
    - attack.t1218
    - attack.execution
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\pcwrun.exe'
        CommandLine|contains: '../'
    condition: selection
falsepositives:
    - Unlikely
level: high