DET0575 Detection Strategy for Netsh Helper DLL Persistence via Registry and Child Process Monitoring (Windows)
| Item |
Value |
| ID |
DET0575 |
| Version |
1.0 |
| Created |
21 October 2025 |
| Last Modified |
21 October 2025 |
Technique Detected: T1546.007 (Netsh Helper DLL)
Analytics
Windows
AN1588
Detection focuses on monitoring registry modifications under HKLM\SOFTWARE\Microsoft\Netsh that indicate the addition of helper DLLs, followed by anomalous child process activity or module load behavior initiated by netsh.exe. These behaviors are rarely legitimate and may represent an adversary establishing persistence.
Log Sources
Mutable Elements
| Field |
Description |
| TimeWindow |
Defines the time window in which correlated registry and execution events are considered suspicious (e.g., within 10 minutes) |
| NetshChildProcessWhitelist |
List of expected or approved child processes spawned by netsh.exe in the enterprise environment |
| DLLLoadPath |
Directory or filename heuristics to distinguish benign DLLs from malicious helper DLLs |