Malicious Local Group Membership Change (via powershell)

Analysis Detection

ATT&CK techniques

Persistence → Priv Esc

Recon
Resource Dev
Initial Access
Execution
Persistence
- T1098Account Manipulation
Priv Esc
- T1098Account Manipulation
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects if a member is added to a local group via PowerShell.

Reporting behind it

Related detections9 linkedT1098 — drag to rearrange

Malicious New Member Added to an "OCS/Lync/Skype for Business" Administration Group - High Risk (via security)

Malicious New Member Added to a "OCS/Lync/Skype for Business" Administration Group - Low Risk (via security)

Suspicious AWS Console Login Profile Creation for Persistence (via cloudtrail)

Suspicious Bapak AWS EC2 ImportKeyPair With Known Attacker Key Names via CloudTrail

Suspicious EKS Access Entry Creation via CloudTrail

Suspicious Kerberos Constrained Delegation Configuration via msDS-AllowedToDelegateTo

Malicious Domain and Enterprise Admins Group Addition via net group Domain Add (via process_creation)

Suspicious Route53 Domain Transfer Lock Disabled via Scattered Spider Technique

Suspicious Domain Admin Account Creation via net (via process_creation)

Malicious Local Group Membership Change (via powershell)

Pivot detection · T1098 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

Full detection rule

Unlock this rule to view and copy it

The detection logic is included with a plan. Everything else — context, mappings and implementation details — stays free on this page.

Sign in for 3 free unlocks

Signing in gives you 3 unlocks to spend on any rule in the library. No card, and they do not expire.

Also included

Unlocked rules convert on this page — to Splunk SPL or Splunk — Raw Index SPL or Microsoft Sentinel KQL or Microsoft Sentinel ASIM ASIM KQL or Microsoft Defender XDR KQL or Elastic Security KQL or Elastic Security Lucene or Elastic Security ES|QL or CrowdStrike Falcon CQL or SentinelOne PowerQuery or Palo Alto Cortex XDR XQL or Carbon Black Cloud Platform Search or Carbon Black EDR Process Search or Google Security Operations UDM Search or IBM QRadar AQL or Sumo Logic Cloud SIEM Rules expression or Rapid7 InsightIDR LEQL or Graylog Search or OpenSearch Lucene or OpenSearch PPL PPL or Grafana Loki LogQL or SQLite SQL or Zircolite SQLite — with the log-source profile the engine picked, the field map it used, and everything it could not express. Converting a rule you have unlocked costs no further credit.

See it run on a free rule →Convert your own rule →