Masquerading Exchange Server Impersonation via PrivExchange Relay Attack (via security)

Analysis Detection

ATT&CK techniques

Cred Access → Collection

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
- T1557.001Name Resolution Poisoning and SMB Relay
Discovery
Lateral Movement
Collection
- T1557.001Name Resolution Poisoning and SMB Relay
C2
Exfiltration
Impact

What it detects

This rule detects relays Exchange server authentication to abuse Exchange servers permissions and escalate privileges.

Reporting behind it

Related detections9 linkedT1557.001 — drag to rearrange

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Masquerading Exchange Server Impersonation via PrivExchange Relay Attack (via security)

Pivot detection · T1557.001 · 9 related

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

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