Potential Privilege Escalation via Local Kerberos Relay over LDAP
Detects a suspicious local successful logon event where the Logon Package is Kerberos, the remote address is set to localhost, and the target user SID is the built-in local Administrator account. This may indicate an…
Description
Detects a suspicious local successful logon event where the Logon Package is Kerberos, the remote address is set to localhost, and the target user SID is the built-in local Administrator account. This may indicate an attempt to leverage a Kerberos relay attack variant that can be used to elevate privilege locally from a domain joined limited user to local System privileges.
Detection logic
Detection requirements
- Platform
- IaaSIdentity ProviderLinuxmacOSOffice SuiteWindows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
- Log source product
- windows
- Log source service
- security
Known benign triggers
- Unknown
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
References
| Reference | Cited by |
|---|---|
| github.com/elastic/detection-rules/blob/5fe7833312031a4787e07893e27e4ea7a7665745/rules/_deprecated/privilege_escalation_krbrelayup_suspicious_logon.toml#L38 | Only this detection cites it |
| twitter.com/sbousseaden/status/1518976397364056071?s=12&t=qKO5eKHvWhAP19a50FTZ7g | Only this detection cites it |
From the source
- At source
- Open at source
- Upstream identifier
- 749c9f5e-b353-4b90-a9c1-05243357ca4b
- Tagged by the source as
- attack.credential-accessattack.privilege-escalation
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Written by
- Published
- Aug 26, 2026
- Version
- 1