Sigma rule: Suspicious RDP Redirect Using TSCON

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-a333223a2100, updated 2023-05-16T00:00:00.000Z.

Rule

Title: Suspicious RDP Redirect Using TSCON
Status: test
Level: high
Author: Florian Roth (Nextron Systems)
Date: 2018-03-17
Modified: 2023-05-16
File: rules/windows/process_creation/proc_creation_win_tscon_rdp_redirect.yml
Commit: ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects a suspicious RDP session redirect using tscon.exe

Log source

product: windows
category: process_creation

Detection

selection:
    CommandLine|contains: ' /dest:rdp-tcp#'
condition: selection

False positives (as the rule lists them)

Unknown

MITRE ATT&CK ids this rule names

References

http://www.korznikov.com/2017/03/0-day-or-feature-privilege-escalation.html
https://medium.com/@networksecurity/rdp-hijacking-how-to-hijack-rds-and-remoteapp-sessions-transparently-to-move-through-an-da2a1e73a5f6
https://www.hackingarticles.in/rdp-session-hijacking-with-tscon/

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_tscon_rdp_redirect.yml

Sources and licences

SigmaHQ
"Suspicious RDP Redirect Using TSCON" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_tscon_rdp_redirect.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: Suspicious RDP Redirect Using TSCON",
entity page, dataset version ref-a333223a2100, updated 2023-05-16T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/f72aa3e8-49f9-4c7d-bd74-f8ab84ff9bbb (accessed 2026-11-03).
Underlying source: SigmaHQ rule f72aa3e8-49f9-4c7d-bd74-f8ab84ff9bbb, 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.