Sigma rule: WMImplant Hack Tool

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-9f29ded99738, updated 2022-12-25T00:00:00.000Z.

Rule

Title
WMImplant Hack Tool
Status
test
Level
high
Author
NVISO
Date
2020-03-26
Modified
2022-12-25
File
rules/windows/powershell/powershell_script/posh_ps_wmimplant.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects parameters used by WMImplant

Log source

product
windows
category
ps_script
definition
Requirements: Script Block Logging must be enabled

Detection

selection:
    ScriptBlockText|contains:
        - 'WMImplant'
        - ' change_user '
        - ' gen_cli '
        - ' command_exec '
        - ' disable_wdigest '
        - ' disable_winrm '
        - ' enable_wdigest '
        - ' enable_winrm '
        - ' registry_mod '
        - ' remote_posh '
        - ' sched_job '
        - ' service_mod '
        - ' process_kill '
        # - ' process_start '
        - ' active_users '
        - ' basic_info '
        # - ' drive_list '
        # - ' installed_programs '
        - ' power_off '
        - ' vacant_system '
        - ' logon_events '
condition: selection

False positives (as the rule lists them)

  • Administrative scripts that use the same keywords.

Tags

  • attack.execution
  • attack.t1047
  • attack.t1059.001

MITRE ATT&CK ids this rule names

References

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/powershell/powershell_script/posh_ps_wmimplant.yml

Sources and licences

  • SigmaHQ

    "WMImplant Hack Tool" by NVISO (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/powershell/powershell_script/posh_ps_wmimplant.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: WMImplant Hack Tool",
entity page, dataset version ref-9f29ded99738, updated 2022-12-25T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/8028c2c3-e25a-46e3-827f-bbb5abf181d7 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 8028c2c3-e25a-46e3-827f-bbb5abf181d7, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.