Cobalt Strike Command and Control Beaconedit
Cobalt Strike is a threat emulation platform commonly modified and used by adversaries to conduct network attack and exploitation campaigns. This rule detects a network activity algorithm leveraged by Cobalt Strike implant beacons for command and control.
Rule type: query
Rule indices:
- packetbeat-*
Severity: high
Risk score: 73
Runs every: 5 minutes
Searches indices from: now-6m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Network
- Threat Detection
- Command and Control
Version: 1
Added (Elastic Stack release): 7.10.0
Rule authors: Elastic
Rule license: Elastic License
Potential false positivesedit
This rule should be tailored to either exclude systems, as sources or destinations, in which this behavior is expected.
Investigation guideedit
This activity has been observed in FIN7 campaigns.
Rule queryedit
event.category:(network OR network_traffic) AND type:(tls OR http) AND
network.transport:tcp AND
destination.domain:/[a-z]{3}.stage.[0-9]{8}\..*/
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Command and Control
- ID: TA0011
- Reference URL: https://attack.mitre.org/tactics/TA0011/
-
Technique:
- Name: Application Layer Protocol
- ID: T1071
- Reference URL: https://attack.mitre.org/techniques/T1071/