3.1: Xworm

XWorm is a C#-based (typically .NET) Remote Access Trojan (RAT) marketed on underground forums. It is often marketed as a "fully undetectable" (FUD) solution, offering buyers a plug-and-play toolkit for stealing data, dropping additional payloads, and maintaining persistence on victim machines.

: Actively monitors running processes and reports system details (e.g., OS version) back to its Command & Control (C&C) server. Remote Control and Execution C&C Communication

For evasion:

: Allows attackers to view and record the victim's screen in real-time.

A typical XWorm 3.1 sample (SHA256: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 – Note: replace with real hash for live hunting ) reveals the following upon analysis in a debugger like dnSpy (since it is .NET): xworm 3.1

Early versions used simple ConfuserEx packing. Version 3.1 employs a multi-layer string obfuscation technique. All critical strings (C2 server addresses, registry keys, mutex names) are stored as base64-encoded byte arrays that are decoded only when needed.

⭐ XWorm 3.1 is a high-risk threat that targets both individuals and businesses to steal sensitive data and extort money. If you'd like, I can provide more details on: Specific Indicators of Compromise (IoCs) like file hashes. Detailed removal steps for an infected machine. A comparison with other RATs like AsyncRAT or Remcos . Share public link XWorm is a C#-based (typically

id=base64(ComputerName+Username)&data=AES_encrypted_command_output