Detectionhightest
CobaltStrike Service Installations - Security
Detects known malicious service installs that appear in cases in which a Cobalt Strike beacon elevates privileges or lateral movement
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Launch
Florian Roth (Nextron Systems), Wojciech LesickiCreated Wed May 26Updated Sun Nov 27d7a95147-145f-4678-b85d-d1ff4a3bb3f6windows
Log Source
Windowssecurity
ProductWindows← raw: windows
Servicesecurity← raw: security
Definition
The 'System Security Extension' audit subcategory need to be enabled to log the EID 4697
Detection Logic
Detection Logic5 selectors
detection:
event_id:
EventID: 4697
selection1:
ServiceFileName|contains|all:
- 'ADMIN$'
- '.exe'
selection2:
ServiceFileName|contains|all:
- '%COMSPEC%'
- 'start'
- 'powershell'
selection3:
ServiceFileName|contains: 'powershell -nop -w hidden -encodedcommand'
selection4:
ServiceFileName|base64offset|contains: "IEX (New-Object Net.Webclient).DownloadString('http://127.0.0.1:"
condition: event_id and 1 of selection*False Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Rule Metadata
Rule ID
d7a95147-145f-4678-b85d-d1ff4a3bb3f6
Status
test
Level
high
Type
Detection
Created
Wed May 26
Modified
Sun Nov 27
Path
rules/windows/builtin/security/win_security_cobaltstrike_service_installs.yml
Raw Tags
attack.persistenceattack.executionattack.privilege-escalationattack.lateral-movementattack.t1021.002attack.t1543.003attack.t1569.002