SigmaHQ/rules/windows/sysmon/sysmon_exploit_cve_2017_0261.yml

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YAML

title: Exploit for CVE-2017-0261
status: experimental
description: Detects Winword starting uncommon sub process FLTLDR.exe as used in exploits for CVE-2017-0261 and CVE-2017-0262
references:
- https://www.fireeye.com/blog/threat-research/2017/05/eps-processing-zero-days.html
author: Florian Roth
date: 2018/02/22
logsource:
product: windows
service: sysmon
detection:
selection:
EventID: 1
ParentImage: '*\WINWORD.EXE'
Image: '*\FLTLDR.exe*'
condition: selection
falsepositives:
- Several false positives identified, check for suspicious file names or locations (e.g. Temp folders)
level: medium