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

Backdoor:MSIL/Bladabindi.AMBE!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Backdoor:MSIL/Bladabindi.AMBE!MTB
Classification:
Type:Backdoor
Platform:MSIL
Family:Bladabindi
Detection Type:Concrete
Known malware family with identified signatures
Variant:AMBE
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 Bladabindi

Summary:

This detection identifies a backdoor from the Bladabindi (NJRat) family, a .NET-based Remote Access Trojan (RAT). The malware provides an attacker with remote control over the infected system, enabling data theft, keystroke logging, and remote command execution. The '!MTB' suffix indicates this was identified by a machine learning behavioral model, not a static signature.

Severity:
Medium
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Backdoor_MSIL_Bladabindi_AMBE_2147902976_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Backdoor:MSIL/Bladabindi.AMBE!MTB"
        threat_id = "2147902976"
        type = "Backdoor"
        platform = "MSIL: .NET intermediate language scripts"
        family = "Bladabindi"
        severity = "Critical"
        info = "MTB: Microsoft Threat Behavior"
        signature_type = "SIGNATURE_TYPE_PEHSTR_EXT"
        threshold = "2"
        strings_accuracy = "Low"
    strings:
        $x_2_1 = {07 11 09 11 08 5d 17 6f ?? 00 00 0a 6f ?? 00 00 0a 16 93}  //weight: 2, accuracy: Low
    condition:
        (filesize < 20MB) and
        (all of ($x*))
}
Known malware which is associated with this threat:
Filename: FACTURA.exe
2c1c1e5c6028ca269261ec084975bb58a0a4f6b3e72bd377f6cce0b961b2e5f2
02/12/2025
→VirusTotal↓Download Sample
Remediation Steps:
Isolate the affected machine from the network immediately to prevent lateral movement. Use antivirus software to quarantine and remove the detected file. Investigate the system for signs of further compromise and change all user credentials associated with the machine.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 02/12/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊