Sigma Rule Library

Potential CSharp Streamer RAT Loading .NET Executable Image

Detects potential CSharp Streamer RAT loading .NET executable image by using the default file name and path associated with the tool.

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Detection logic

selection

ImageLoaded|re: \\AppData\\Local\\Temp\\dat[0-9A-Z]{4}\.tmp

Condition

selection

Raw YAML

title: Potential CSharp Streamer RAT Loading .NET Executable Image
id: 6f6afac3-8e7a-4e4b-9588-2608ffe08f82
status: test
description: |
    Detects potential CSharp Streamer RAT loading .NET executable image by using the default file name and path associated with the tool.
references:
    - https://thedfirreport.com/2024/06/10/icedid-brings-screenconnect-and-csharp-streamer-to-alphv-ransomware-deployment/#detections
    - https://cyber.wtf/2023/12/06/the-csharp-streamer-rat/
author: Luca Di Bartolomeo
date: 2024-06-22
tags:
    - attack.command-and-control
    - attack.t1219.002
    - detection.emerging-threats
logsource:
    category: image_load
    product: windows
detection:
    selection:
        ImageLoaded|re: '\\AppData\\Local\\Temp\\dat[0-9A-Z]{4}\.tmp'
    condition: selection
falsepositives:
    - Unknown
level: high

False positives

  • Unknown

References

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