Uncommon System Information Discovery Via Wmic.EXE

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About the rule

Rule Type

Standard

Rule Description

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.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (ORIGINALFILENAME = "wmic.exe" OR PROCESSNAME endswith "\WMIC.exe") AND COMMANDLINE contains "LOGICALDISK get Name,Size,FreeSpace,os get Caption,OSArchitecture,Version" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

TropChaud