Rules: Attempted Credential Dump From Registry Via Reg.Exe
Monitors for use of reg.exe with parameters indicating the attempted export of hashed credentials.
Audit Object Access (success & failure) must be enabled for this rule to function.
Monitoring of the following registry keys is necessary: HKLM\Security HKLM\Security\Cache HKLM\System HKLM\Security\Policy\Secrets HKLM\Sam
| Detail | Value |
|---|---|
| Type | Templated Match |
| Category | Credential Access |
| Apply Risk to Entities | device_hostname, device_ip, user_username |
| Signal Name | Attempted Credential Dump From Registry Via Reg.exe |
| Summary Expression | Attempt to export credentials detected on host: {{device_hostname}} by user: {{user_username}} |
| Score/Severity | Static: 3 |
| Enabled by Default | True |
| Prototype | False |
| Tags | _mitreAttackTactic:TA0005, _mitreAttackTactic:TA0008, _mitreAttackTactic:TA0006, _mitreAttackTechnique:T1550, _mitreAttackTechnique:T1003, _mitreAttackTechnique:T1550.002 |
| Origin | Field |
|---|---|
| Normalized Schema | device_hostname |
| Normalized Schema | device_ip |
| Direct from Record | fields['EventData.ProcessName'] |
| Normalized Schema | file_path |
| Normalized Schema | metadata_deviceEventId |
| Normalized Schema | metadata_product |
| Normalized Schema | metadata_vendor |
| Normalized Schema | user_username |