SigmaHQ/rules/windows/process_creation/win_susp_compression_params.yml

title: Suspicious Compression Tool Parameters
status: experimental
description: Detects suspicious command line arguments of common data compression tools
references:
    - https://twitter.com/SBousseaden/status/1184067445612535811
tags:
    - attack.exfiltration
    - attack.t1020
    - attack.t1002
author: Florian Roth, Samir Bousseaden
date: 2019/10/15
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        OriginalFileName:
            - '7z*.exe'
            - '*rar.exe'
            - '*Command*Line*RAR*'
        CommandLine:
            - '* -p*'
            - '* -ta*'
            - '* -tb*'
            - '* -sdel*'
            - '* -dw*'
            - '* -hp*'
    falsepositive:
        ParentImage: 'C:\Program*'
    condition: selection and not falsepositive
falsepositives:
    - unknown
level: high