Detection rules › Sigma
Potential Credential Dumping Attempt Using New NetworkProvider - REG
Detects when an attacker tries to add a new network provider in order to dump clear text credentials, similar to how the NPPSpy tool does it
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Credential Access | T1003 OS Credential Dumping |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 13 | RegistryEvent (Value Set) |
Stages and Predicates
Stage 1: selection
TargetObject|contains: '\NetworkProvider'
TargetObject|contains: '\System\CurrentControlSet\Services\'
Stage 2: not 1 of filter*
or:
Image: 'C:\Windows\System32\poqexec.exe'
TargetObject|contains: '\System\CurrentControlSet\Services\LanmanWorkstation\NetworkProvider'
TargetObject|contains: '\System\CurrentControlSet\Services\RDPNP\NetworkProvider'
TargetObject|contains: '\System\CurrentControlSet\Services\WebClient\NetworkProvider'
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 |
|---|---|---|
Image | eq |
|
TargetObject | match |
|