Detection rules › Sigma
KrbRelayUp Service Installation
Detects service creation from KrbRelayUp tool used for privilege escalation in Windows domain environments where LDAP signing is not enforced (the default settings)
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Persistence | T1543 Create or Modify System Process |
| Privilege Escalation | T1543 Create or Modify System Process |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Service-Control-Manager | 7045 |
Stages and Predicates
Stage 1: selection
ServiceName: KrbSCM
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
ServiceName | eq |
|
Neighbors
Broader alternatives (more inclusive than this rule)
These rules match a superset of what this rule catches. They cover the same events plus more. Use them if you want wider coverage and can absorb more false positives.
- Invoke-Obfuscation Obfuscated IEX Invocation - System (drops 1 filter this rule applies)