DET0442 Detection Strategy for Subvert Trust Controls using SIP and Trust Provider Hijacking.
| Item |
Value |
| ID |
DET0442 |
| Version |
1.0 |
| Created |
21 October 2025 |
| Last Modified |
21 October 2025 |
Technique Detected: T1553.003 (SIP and Trust Provider Hijacking)
Analytics
Windows
AN1222
Detection of anomalous registry modifications to Subject Interface Packages (SIPs) or trust provider DLL mappings, unexpected loading of non-Microsoft cryptographic modules, or attempts to redirect WinVerifyTrust validation logic. Defender view focuses on registry tampering, suspicious DLL loads into trusted processes, and abnormal trust validation failures correlated across event streams.
Log Sources
Mutable Elements
| Field |
Description |
| RegistryPathBaselines |
Monitor for changes in Registry paths. |
| TimeWindow |
Correlate between changes in Registry values, system files, and modules loaded. |