Detectionhightest

Suspicious Process Created Via Wmic.EXE

Detects WMIC executing "process call create" with suspicious calls to processes such as "rundll32", "regsrv32", etc.

Convert In Phoenix Studio

Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.

Launch
Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems)Created Mon Oct 12Updated Tue Feb 143c89a1e8-0fba-449e-8f1b-8409d6267ec8windows
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic
Detection Logic1 selector
detection:
    selection:
        CommandLine|contains|all:
            - 'process '
            - 'call '
            - 'create '
        CommandLine|contains:
            # Add more susupicious paths and binaries as you see fit in your env
            - 'rundll32'
            - 'bitsadmin'
            - 'regsvr32'
            - 'cmd.exe /c '
            - 'cmd.exe /k '
            - 'cmd.exe /r '
            - 'cmd /c '
            - 'cmd /k '
            - 'cmd /r '
            - 'powershell'
            - 'pwsh'
            - 'certutil'
            - 'cscript'
            - 'wscript'
            - 'mshta'
            - '\Users\Public\'
            - '\Windows\Temp\'
            - '\AppData\Local\'
            - '%temp%'
            - '%tmp%'
            - '%ProgramData%'
            - '%appdata%'
            - '%comspec%'
            - '%localappdata%'
    condition: selection
False Positives
Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

Rule Metadata
Rule ID
3c89a1e8-0fba-449e-8f1b-8409d6267ec8
Status
test
Level
high
Type
Detection
Created
Mon Oct 12
Modified
Tue Feb 14
Path
rules/windows/process_creation/proc_creation_win_wmic_susp_process_creation.yml
Raw Tags
attack.executionattack.t1047
View on GitHub