frack113
30 lines
804 B
YAML
30 lines
804 B
YAML
title: Suspicious Cobalt Strike DNS Beaconing
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id: f356a9c4-effd-4608-bbf8-408afd5cd006
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status: experimental
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description: Detects a program that invoked suspicious DNS queries known from Cobalt Strike beacons
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author: Florian Roth
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date: 2021/11/09
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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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tags:
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- attack.command_and_control
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- attack.t1071.004
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logsource:
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product: windows
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category: dns_query
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detection:
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selection1:
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QueryName|startswith:
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- 'aaa.stage.'
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- 'post.1'
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selection2:
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QueryName|contains: '.stage.123456.'
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condition: 1 of selection*
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fields:
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- Image
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- CommandLine
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falsepositives:
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- Unknown
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level: critical
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