SigmaHQ/rules/windows/process_creation/win_susp_csc.yml

title: Suspicious Parent of Csc.exe
id: b730a276-6b63-41b8-bcf8-55930c8fc6ee
description: Detects a suspicious parent of csc.exe, which could by a sign of payload delivery
status: experimental
references:
    - https://twitter.com/SBousseaden/status/1094924091256176641
author: Florian Roth
date: 2019/02/11
modified: 2020/09/05
tags:
    - attack.execution
    - attack.t1059.005
    - attack.t1059.007
    - attack.defense_evasion
    - attack.t1500  # an old one
    - attack.t1218.005
    - attack.t1027.004
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image: '*\csc.exe*'
        ParentImage:
            - '*\wscript.exe'
            - '*\cscript.exe'
            - '*\mshta.exe'
    condition: selection
falsepositives:
    - Unkown
level: high