SigmaHQ/rules/proxy/proxy_cobalt_ocsp.yml

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title: CobaltStrike Malleable (OCSP) Profile
status: experimental
description: Detects Malleable (OCSP) Profile with Typo (OSCP) in URL
references:
- https://github.com/rsmudge/Malleable-C2-Profiles/blob/master/normal/ocsp.profile
author: Markus Neis
tags:
- attack.t1102
logsource:
category: proxy
detection:
selection:
URL: '*/oscp/*'
Host: 'ocsp.verisign.com'
condition: selection
falsepositives:
- Unknown
level: high