Remote Access Tool - AnyDesk Silent Installation

Hunt Hypothesis

Detects AnyDesk Remote Desktop silent installation. Which can be used by attackers to gain remote access.

Detection Rule

Sigma (Original)

title: Remote Access Tool - AnyDesk Silent Installation
id: 114e7f1c-f137-48c8-8f54-3088c24ce4b9
status: test
description: Detects AnyDesk Remote Desktop silent installation. Which can be used by attackers to gain remote access.
references:
    - https://twitter.com/TheDFIRReport/status/1423361119926816776?s=20
    - https://support.anydesk.com/Automatic_Deployment
author: Ján Trenčanský
date: 2021-08-06
modified: 2023-03-05
tags:
    - attack.command-and-control
    - attack.t1219.002
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains|all:
            - '--install'
            - '--start-with-win'
            - '--silent'
    condition: selection
falsepositives:
    - Legitimate deployment of AnyDesk
level: high

KQL (Azure Sentinel)

imProcessCreate
| where TargetProcessCommandLine contains "--install" and TargetProcessCommandLine contains "--start-with-win" and TargetProcessCommandLine contains "--silent"

Required Data Sources

False Positive Guidance

• Legitimate deployment of AnyDesk

MITRE ATT&CK Context

• Tactic: Command and Control
• Technique: T1219.002 — T1219.002

References

• https://twitter.com/TheDFIRReport/status/1423361119926816776?s=20
• https://support.anydesk.com/Automatic_Deployment
• SigmaHQ Rule