user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Trojan:MSIL/XWorm!rfn
Trojan:MSIL/XWorm!rfn - Windows Defender threat signature analysis

Trojan:MSIL/XWorm!rfn - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:MSIL/XWorm!rfn
Classification:
Type:Trojan
Platform:MSIL
Family:XWorm
Detection Type:Concrete
Known malware family with identified signatures
Suffix:!rfn
Specific ransomware family name
Confidence:Very High
False-Positive Risk:Low

Concrete signature match: Trojan - Appears legitimate but performs malicious actions for .NET (Microsoft Intermediate Language) platform, family XWorm

Summary:

This detection identifies the XWorm Remote Access Trojan (RAT), a malicious program designed to grant an attacker complete remote control over the compromised system. XWorm is capable of stealing sensitive information such as credentials and financial data, monitoring user activity through keylogging, and deploying additional malware like ransomware.

Severity:
Critical
VDM Static Detection:
No detailed analysis available from definition files.
Known malware which is associated with this threat:
Filename: 97ec3dc7c5d1ecf7d76c0a7e1506b3b59d4e4fb7d48d01c33b3fde7603b14496
97ec3dc7c5d1ecf7d76c0a7e1506b3b59d4e4fb7d48d01c33b3fde7603b14496
14/11/2025
→VirusTotal↓Download Sample
Filename: 542c967f9a953d232f5adcbaee0ef0ff0da65e617ed0c79cd042b419cd9ed68c
542c967f9a953d232f5adcbaee0ef0ff0da65e617ed0c79cd042b419cd9ed68c
14/11/2025
→VirusTotal↓Download Sample
Remediation Steps:
Isolate the host from the network immediately to prevent lateral movement. Run a full antivirus scan to remove the threat. Since this is a RAT, assume full system compromise: reset all passwords used on the machine and investigate for persistence mechanisms and signs of further compromise.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 14/11/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊