Malicious Computer Account Modifying Active Directory Permissions - PrivExchange (via security)

ATT&CK techniques

Defense Evasion

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
- T1222.001Windows Permissions
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects compromise a server with high privileges to perform permissions changes. PrivExchange attack can be detected using this rule.

Reporting behind it

Related detections9 linkedT1222.001 — drag to rearrange

Suspicious File Permission Grant to Everyone via Icacls (via process_creation)

Suspicious Permissions Modification on a Network Share (via security)

Suspicious Recursive icacls Grant of Full Access to Everyone via process_creation

Malicious Replication Privileges Granted to Perform DCSync Attack (via security)

Windows: fsutil SymlinkEvaluation behavior modification via command line

Windows Suspicious takeown.exe Recursive Ownership Change

Windows Process Creation: File/Folder Permission Changes via cacls/icacls/net attrib/takeown

Windows Security: Detect WRITE_DAC on AD DS objects (Event ID 4662)

Windows process activity matching WannaCry executables and ransom note text

Malicious Computer Account Modifying Active Directory Permissions - PrivExchange (via security)

Pivot detection · T1222.001 · 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 →