Malicious Domain Admin Account Escalation via net group (via process_creation)

PremiumReviewedSigma · High · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-05-14
Updated
2026-08-28

ATT&CK techniques

Initial Access → Defense Evasion
  1. Recon

  2. Resource Dev

  3. Execution

  4. Cred Access

  5. Discovery

  6. Lateral Movement

  7. Collection

  8. C2

  9. Exfiltration

  10. Impact

What it detects

This rule detects a net group command adding an account to the Domain Admins or Enterprise Admins group over the domain. Operators exploiting BeyondTrust Remote Support via CVE-2026-1731 created a domain account and escalated it into these privileged groups.

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Malicious User Password Change Using Current Hash Password - ChangeNTLM - Mimikatz (via security)
Suspicious Account Password Set to Never Expire. (via security)
Malicious Modification of a Computer Account SPN (via security)
Suspicious Massive Group Membership Changes (via security)
Malicious High Risk Active Directory Group Membership Change (via security)
Malicious Domain Admin Account Escalation via net group (via process_creation)
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.