Remote Access Tool - ScreenConnect Installation Execution — Sigma Rule

Rule metadata and linked tags

Author: Florian Roth (Nextron Systems). Source status: test; severity: medium. Source dates: 2021-02-11 / 2024-02-26.

{
  "category": "process_creation",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: f05c7052bfac504b7bb4e07318416c3241db04b8b850dbac32ed7002d218cd8f

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Remote Access Tool - ScreenConnect Installation Execution
id: 75bfe6e6-cd8e-429e-91d3-03921e1d7962
status: test
description: Detects ScreenConnect program starts that establish a remote access to a system.
references:
    - https://www.anomali.com/blog/probable-iranian-cyber-actors-static-kitten-conducting-cyberespionage-campaign-targeting-uae-and-kuwait-government-agencies
author: Florian Roth (Nextron Systems)
date: 2021-02-11
modified: 2024-02-26
tags:
    - attack.persistence
    - attack.initial-access
    - attack.t1133
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains|all:
            - 'e=Access&'
            - 'y=Guest&'
            - '&p='
            - '&c='
            - '&k='
    condition: selection
falsepositives:
    - Legitimate use by administrative staff
level: medium

Original YAML and metadata in JSON

False positives

• Legitimate use by administrative staff

Source references

• https://www.anomali.com/blog/probable-iranian-cyber-actors-static-kitten-conducting-cyberespionage-campaign-targeting-uae-and-kuwait-government-agencies