Sigma rule: MMC Spawning Windows Shell

Rule

Title

MMC Spawning Windows Shell

Status

test

Level

high

Author

Karneades, Swisscom CSIRT

Date

2019-08-05

Modified

2022-07-14

File

rules/windows/process_creation/proc_creation_win_mmc_susp_child_process.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects a Windows command line executable started from MMC

Log source

product

windows

category

process_creation

Detection

selection1:
    ParentImage|endswith: '\mmc.exe'
selection2:
    - Image|endswith:
          - '\cmd.exe'
          - '\powershell.exe'
          - '\pwsh.exe'
          - '\wscript.exe'
          - '\cscript.exe'
          - '\sh.exe'
          - '\bash.exe'
          - '\reg.exe'
          - '\regsvr32.exe'
    - Image|contains: '\BITSADMIN'
condition: all of selection*

Tags

• attack.lateral-movement
• attack.t1021.003

MITRE ATT&CK ids this rule names

• T1021.003

References

• https://enigma0x3.net/2017/01/05/lateral-movement-using-the-mmc20-application-com-object/

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_mmc_susp_child_process.yml