Detectioncriticaltest
Cobalt Strike DNS Beaconing
Detects suspicious DNS queries known from Cobalt Strike beacons
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Florian Roth (Nextron Systems)Created Thu May 10Updated Sun Oct 092975af79-28c4-4d2f-a951-9095f229df29network
Log Source
dns
Categorydns← raw: dns
Detection Logic
Detection Logic2 selectors
detection:
selection1:
query|startswith:
- 'aaa.stage.'
- 'post.1'
selection2:
query|contains: '.stage.123456.'
condition: 1 of selection*False Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Tactics
Sub-techniques
Rule Metadata
Rule ID
2975af79-28c4-4d2f-a951-9095f229df29
Status
test
Level
critical
Type
Detection
Created
Thu May 10
Modified
Sun Oct 09
Path
rules/network/dns/net_dns_mal_cobaltstrike.yml
Raw Tags
attack.command-and-controlattack.t1071.004