Synopsis
Activation Period |
14 Days |
Training Period |
30 Days |
Test Period |
N/A (single event) |
Deduplication Period |
1 Day |
Required Data |
|
Detection Modules |
|
Detector Tags |
|
ATT&CK Tactic |
|
ATT&CK Technique |
Use Alternate Authentication Material: Pass the Hash (T1550.002) |
Severity |
Medium |
Description
An Encrypting File System Remote call (EFSRPC) was made to a domain controller.
Attacker's Goals
An attacker is attempting to steal credentials and move laterally within a network.
Investigative actions
- Check for suspicious processes on the host.
- Check if the source host is a vulnerability scanner.
- Look for following suspicious connections using the DC machine account.