Detection rules › Sigma
Potential RDP Session Hijacking Activity
Detects potential RDP Session Hijacking activity on Windows systems
Known false positives
- Administrative activity
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | No specific technique |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 1: Process creation |
Rule body
title: Potential RDP Session Hijacking Activity
id: 224f140f-3553-4cd1-af78-13d81bf9f7cc
status: test
description: Detects potential RDP Session Hijacking activity on Windows systems
references:
- https://twitter.com/Moti_B/status/909449115477659651
author: '@juju4'
date: 2022-12-27
modified: 2024-12-01
tags:
- attack.execution
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\tscon.exe'
- OriginalFileName: 'tscon.exe'
selection_integrity:
IntegrityLevel:
- 'System'
- 'S-1-16-16384'
condition: all of selection_*
falsepositives:
- Administrative activity
level: medium
Stages and Predicates
Stage 0: condition
all of selection_*Stage 1: selection_img
selection_img:
- Image|endswith: '\tscon.exe'
- OriginalFileName: 'tscon.exe'
Stage 2: selection_integrity
selection_integrity:
IntegrityLevel:
- 'System'
- 'S-1-16-16384'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
Image | ends_with |
| field:"Image" kind:ends_with value:"\tscon.exe" |
IntegrityLevel | eq |
| field:"IntegrityLevel" kind:eq |
OriginalFileName | eq |
| field:"OriginalFileName" kind:eq value:"tscon.exe" |