Possible Targeted Kerberoasting via servicePrincipalName Modification

ATT&CK techniques

Cred Access

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
- T1558.003Kerberoasting
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects addition of a servicePrincipalName value to a user account object. Adversaries with write access set an SPN on a target account to make it kerberoastable, then request a service ticket to crack the account password offline.

Reporting behind it

Related detections9 linkedT1558.003 — drag to rearrange

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Suspicious Kerberoasting via setspn Service Principal Query

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Suspicious SQL Service Principal Name Enumeration via Setspn

Possible Targeted Kerberoasting via servicePrincipalName Modification

Pivot detection · T1558.003 · 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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