Detection rules › Sigma
Uncommon System Information Discovery Via Wmic.EXE
Detects the use of the WMI command-line (WMIC) utility to identify and display various system information, including OS, CPU, GPU, and disk drive names; memory capacity; display resolution; and baseboard, BIOS, and GPU driver products/versions. Some of these commands were used by Aurora Stealer in late 2022/early 2023.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Discovery | T1082 System Information Discovery |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 1 | Process creation |
Stages and Predicates
Stage 1: all of selection_wmic
or:
Description: 'WMI Commandline Utility'
Image|endswith: '\WMIC.exe'
OriginalFileName: wmic.exe
Stage 2: all of selection_commands
or:
CommandLine|contains: 'LOGICALDISK get Name,Size,FreeSpace'
CommandLine|contains: 'os get Caption,OSArchitecture,Version'
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 |
|
Description | eq |
|
Image | ends_with |
|
OriginalFileName | eq |
|