user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Backdoor:MSIL/Crysan.ASHB!MTB
Backdoor:MSIL/Crysan.ASHB!MTB - Windows Defender threat signature analysis

Backdoor:MSIL/Crysan.ASHB!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Backdoor:MSIL/Crysan.ASHB!MTB
Classification:
Type:Backdoor
Platform:MSIL
Family:Crysan
Detection Type:Concrete
Known malware family with identified signatures
Variant:ASHB
Specific signature variant within the malware family
Suffix:!MTB
Detected via machine learning and behavioral analysis
Detection Method:Behavioral
Confidence:Very High
False-Positive Risk:Low

Concrete signature match: Backdoor - Provides unauthorized remote access for .NET (Microsoft Intermediate Language) platform, family Crysan

Summary:

This threat is a backdoor from the Crysan malware family, detected by machine learning behavioral analysis. It is designed to grant an attacker unauthorized remote access and control over the infected system, potentially leading to data theft or further compromise.

Severity:
Medium
VDM Static Detection:
No detailed analysis available from definition files.
Known malware which is associated with this threat:
Filename: f2798987ff79bfd4a9cf2b5877ae520d4ed823912f5338e9bf3c4735c70859e2
f2798987ff79bfd4a9cf2b5877ae520d4ed823912f5338e9bf3c4735c70859e2
03/12/2025
→VirusTotal↓Download Sample
Remediation Steps:
Isolate the affected machine from the network to prevent lateral movement. Use Windows Defender to quarantine or remove the detected threat. Investigate for persistence mechanisms and run a full system scan to ensure complete removal.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 03/12/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊