Malicious Kerberoast Ticket Request (via security)
- Product
- windows
- Service
- security
- Author
- HuntRule
- Published
- 2026-11-08
- Updated
- 2026-11-08
ATT&CK techniques
Cred AccessRecon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact
What it detects
This rule detects requests a Kerberoast ticket with low encryption to perform offline brutforce and forge a new ticket to get access to the targeted resource.
Reporting behind it
- attack.mitre.orghttps://attack.mitre.org/techniques/T1558/003/
- trustedsec.comhttps://www.trustedsec.com/blog/the-art-of-bypassing-kerberoast-detections-with-orpheus/
- blog.harmj0y.nethttps://blog.harmj0y.net/redteaming/kerberoasting-revisited/
- blog.harmj0y.nethttps://blog.harmj0y.net/powershell/kerberoasting-without-mimikatz/
- hackingarticles.inhttps://www.hackingarticles.in/as-rep-roasting/
- adsecurity.orghttps://adsecurity.org/?p=2293
- adsecurity.orghttps://adsecurity.org/?p=3458
- blog.stealthbits.comhttps://blog.stealthbits.com/extracting-service-account-passwords-with-kerberoasting/
- blogs.technet.microsoft.comhttps://blogs.technet.microsoft.com/motiba/2018/02/23/detecting-kerberoasting-activity-using-azure-security-center/
- github.comhttps://github.com/nidem/kerberoast
- github.comhttps://github.com/skelsec/kerberoast
- posts.specterops.iohttps://posts.specterops.io/capability-abstraction-fbeaeeb26384
- trimarcsecurity.comhttps://www.trimarcsecurity.com/single-post/TrimarcResearch/Detecting-Kerberoasting-Activity
- m365internals.comhttps://m365internals.com/2021/11/08/kerberoast-with-opsec/
- redcanary.comhttps://redcanary.com/blog/marshmallows-and-kerberoasting/
- semperis.comhttps://www.semperis.com/blog/new-attack-paths-as-requested-sts/
- nored0x.github.iohttps://nored0x.github.io/red-teaming/Kerberos-Attacks-Kerbroasting/
- ultimatewindowssecurity.comhttps://www.ultimatewindowssecurity.com/securitylog/encyclopedia/event.aspx?eventID=4769
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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