Sigma rule: Potential CSharp Streamer RAT Loading .NET Executable Image

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-ab8339d90525, updated 2024-06-22T00:00:00.000Z.

Rule

Title
Potential CSharp Streamer RAT Loading .NET Executable Image
Status
test
Level
high
Author
Luca Di Bartolomeo
Date
2024-06-22
File
rules-emerging-threats/2024/Malware/CSharp-Streamer/image_load_malware_csharp_streamer_dotnet_load.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

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

Log source

product
windows
category
image_load

Detection

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

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.command-and-control
  • attack.t1219.002
  • detection.emerging-threats

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2024/Malware/CSharp-Streamer/image_load_malware_csharp_streamer_dotnet_load.yml

Sources and licences

  • SigmaHQ

    "Potential CSharp Streamer RAT Loading .NET Executable Image" by Luca Di Bartolomeo (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2024/Malware/CSharp-Streamer/image_load_malware_csharp_streamer_dotnet_load.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Potential CSharp Streamer RAT Loading .NET Executable Image",
entity page, dataset version ref-ab8339d90525, updated 2024-06-22T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/6f6afac3-8e7a-4e4b-9588-2608ffe08f82 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 6f6afac3-8e7a-4e4b-9588-2608ffe08f82, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.