Detection rules › Sigma
Remote Access Tool - AnyDesk Incoming Connection
Detects incoming connections to AnyDesk. This could indicate a potential remote attacker trying to connect to a listening instance of AnyDesk and use it as potential command and control channel.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Command & Control | T1219.002 Remote Access Tools: Remote Desktop Software |
Event coverage
| Provider | Event | Title |
|---|---|---|
| Sysmon | Event ID 3 | Network connection |
Rule body yaml
title: Remote Access Tool - AnyDesk Incoming Connection
id: d58ba5c6-0ed7-4b9d-a433-6878379efda9
status: experimental
description: |
Detects incoming connections to AnyDesk. This could indicate a potential remote attacker trying to connect to a listening instance of AnyDesk and use it as potential command and control channel.
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1219/T1219.md#atomic-test-2---anydesk-files-detected-test-on-windows
- https://asec.ahnlab.com/en/40263/
author: '@d4ns4n_ (Wuerth-Phoenix)'
date: 2024-09-02
modified: 2025-02-24
tags:
- attack.persistence
- attack.command-and-control
- attack.t1219.002
logsource:
category: network_connection
product: windows
detection:
selection:
Image|endswith:
- '\AnyDesk.exe'
- '\AnyDeskMSI.exe'
Initiated: 'false' # If the network connection is initiated remotely (incoming), the field is set to false.
condition: selection
falsepositives:
- Legitimate incoming connections (e.g. sysadmin activity). Most of the time I would expect outgoing connections (initiated locally).
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Image|endswith:
- '\AnyDesk.exe'
- '\AnyDeskMSI.exe'
Initiated: 'false'
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.