Techniques
Sample rules
AD Privileged Users or Groups Reconnaissance
- source: sigma
- technicques:- t1087
- t1087.002
 
Description
Detect priv users or groups recon based on 4661 eventid and known privileged users or groups SIDs
Detection logic
condition: selection and selection_object and not filter
filter:
  SubjectUserName|endswith: $
selection:
  EventID: 4661
  ObjectType:
  - SAM_USER
  - SAM_GROUP
selection_object:
- ObjectName|endswith:
  - '-512'
  - '-502'
  - '-500'
  - '-505'
  - '-519'
  - '-520'
  - '-544'
  - '-551'
  - '-555'
- ObjectName|contains: admin
