Sigma rule: ImagingDevices Unusual Parent/Child Processes

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-7d3032825e2a, updated 2022-12-29T00:00:00.000Z.

Rule

Title: ImagingDevices Unusual Parent/Child Processes
Status: test
Level: high
Author: Nasreddine Bencherchali (Nextron Systems)
Date: 2022-09-27
Modified: 2022-12-29
File: rules/windows/process_creation/proc_creation_win_imagingdevices_unusual_parents.yml
Commit: ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects unusual parent or children of the ImagingDevices.exe (Windows Contacts) process as seen being used with Bumblebee activity

Log source

product: windows
category: process_creation

Detection

selection_parent:
    ParentImage|endswith:
        # Add more if known
        - \WmiPrvSE.exe
        - \svchost.exe
        - \dllhost.exe
    Image|endswith: '\ImagingDevices.exe'
selection_child:
    # You can add specific suspicious child processes (such as cmd, powershell...) to increase the accuracy
    ParentImage|endswith: '\ImagingDevices.exe'
condition: 1 of selection_*

False positives (as the rule lists them)

Unknown

References

https://thedfirreport.com/2022/09/26/bumblebee-round-two/

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_imagingdevices_unusual_parents.yml

Sources and licences

SigmaHQ
"ImagingDevices Unusual Parent/Child Processes" by Nasreddine Bencherchali (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_imagingdevices_unusual_parents.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: ImagingDevices Unusual Parent/Child Processes",
entity page, dataset version ref-7d3032825e2a, updated 2022-12-29T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/f11f2808-adb4-46c0-802a-8660db50fa99 (accessed 2026-11-03).
Underlying source: SigmaHQ rule f11f2808-adb4-46c0-802a-8660db50fa99, 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.