Sigma rule: Potential MSTSC Shadowing Activity

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-ed038218647c, updated 2023-02-05T00:00:00.000Z.

Rule

Title: Potential MSTSC Shadowing Activity
Status: test
Level: high
Author: Florian Roth (Nextron Systems)
Date: 2020-01-24
Modified: 2023-02-05
File: rules/windows/process_creation/proc_creation_win_mstsc_rdp_hijack_shadowing.yml
Commit: ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects RDP session hijacking by using MSTSC shadowing

Log source

product: windows
category: process_creation

Detection

selection:
    CommandLine|contains|all:
        - 'noconsentprompt'
        - 'shadow:'
condition: selection

False positives (as the rule lists them)

Unknown

MITRE ATT&CK ids this rule names

T1563.002

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/process_creation/proc_creation_win_mstsc_rdp_hijack_shadowing.yml

Sources and licences

SigmaHQ
"Potential MSTSC Shadowing Activity" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_mstsc_rdp_hijack_shadowing.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: Potential MSTSC Shadowing Activity",
entity page, dataset version ref-ed038218647c, updated 2023-02-05T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/6ba5a05f-b095-4f0a-8654-b825f4f16334 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 6ba5a05f-b095-4f0a-8654-b825f4f16334, 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.