title: Exploit for CVE-2017-8759
id: fdd84c68-a1f6-47c9-9477-920584f94905
status: test
description: Detects Winword starting uncommon sub process csc.exe as used in exploits for CVE-2017-8759
author: Florian Roth
references:
  - https://www.hybrid-analysis.com/sample/0b4ef455e385b750d9f90749f1467eaf00e46e8d6c2885c260e1b78211a51684?environmentId=100
  - https://www.reverse.it/sample/0b4ef455e385b750d9f90749f1467eaf00e46e8d6c2885c260e1b78211a51684?environmentId=100
date: 2017/09/15
modified: 2021/11/27
logsource:
  category: process_creation
  product: windows
detection:
  selection:
    ParentImage|endswith: '\WINWORD.EXE'
    Image|endswith: '\csc.exe'
  condition: selection
falsepositives:
  - Unknown
level: critical
tags:
  - attack.execution
  - attack.t1203
  - attack.t1204.002
  - attack.initial_access
  - attack.t1566.001
