Detection rules › Sigma
Rebuild Performance Counter Values Via Lodctr.EXE
Detects the execution of "lodctr.exe" to rebuild the performance counter registry values. This can be abused by attackers by providing a malicious config file to overwrite performance counter configuration to confuse and evade monitoring and security solutions.
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 1 | Process creation |
Stages and Predicates
Stage 1: all of selection_img
Image|endswith: '\lodctr.exe'
OriginalFileName: LODCTR.EXE
Stage 2: all of selection_cli
CommandLine|contains: ' -r'
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 |
|---|---|---|
CommandLine | match |
|
Image | ends_with |
|
OriginalFileName | eq |
|