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26 lines
686 B
YAML
26 lines
686 B
YAML
title: Cobalt Strike DNS Beaconing
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id: 2975af79-28c4-4d2f-a951-9095f229df29
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status: experimental
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description: Detects suspicious DNS queries known from Cobalt Strike beacons
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author: Florian Roth
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date: 2018/05/10
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modified: 2021/03/24
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references:
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- https://www.icebrg.io/blog/footprints-of-fin7-tracking-actor-patterns
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- https://www.sekoia.io/en/hunting-and-detecting-cobalt-strike/
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logsource:
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category: dns
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detection:
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selection:
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query|startswith:
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- 'aaa.stage.'
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- 'post.1'
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condition: selection
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falsepositives:
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- Unknown
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level: critical
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tags:
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- attack.command_and_control
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- attack.t1071 # an old one
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- attack.t1071.004
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