Sigma rule: Suspicious MSDT Parent Process

Rule

Title

Suspicious MSDT Parent Process

Status

test

Level

high

Author

Nextron Systems

Date

2022-06-01

Modified

2023-02-06

File

rules/windows/process_creation/proc_creation_win_msdt_susp_parent.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects msdt.exe executed by a suspicious parent as seen in CVE-2022-30190 / Follina exploitation

Log source

product

windows

category

process_creation

Detection

selection_parent:
    ParentImage|endswith:
        - '\cmd.exe'
        - '\cscript.exe'
        - '\mshta.exe'
        - '\powershell.exe'
        - '\pwsh.exe'
        - '\regsvr32.exe'
        - '\rundll32.exe'
        - '\schtasks.exe'
        - '\wmic.exe'
        - '\wscript.exe'
        - '\wsl.exe'
        # Note: office applications are covered by: 438025f9-5856-4663-83f7-52f878a70a50
selection_msdt:
    - Image|endswith: '\msdt.exe'
    - OriginalFileName: 'msdt.exe'
condition: all of selection_*

False positives (as the rule lists them)

• Unknown

Tags

• attack.stealth
• attack.t1036
• attack.t1218

MITRE ATT&CK ids this rule names

• T1036
• T1218

References

• https://twitter.com/nao_sec/status/1530196847679401984
• https://app.any.run/tasks/713f05d2-fe78-4b9d-a744-f7c133e3fafb/

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_msdt_susp_parent.yml