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

Trojan:MSIL/Zilla.SLB!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:MSIL/Zilla.SLB!MTB
Classification:
Type:Trojan
Platform:MSIL
Family:Zilla
Detection Type:Concrete
Known malware family with identified signatures
Variant:SLB
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: Trojan - Appears legitimate but performs malicious actions for .NET (Microsoft Intermediate Language) platform, family Zilla

Summary:

This threat is a Trojan from the Zilla malware family, a known group of malicious software. It was detected by a machine learning model based on its suspicious behavior, which often includes stealing sensitive information or downloading additional malware onto the system.

Severity:
Medium
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Trojan_MSIL_Zilla_SLB_2147920864_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Trojan:MSIL/Zilla.SLB!MTB"
        threat_id = "2147920864"
        type = "Trojan"
        platform = "MSIL: .NET intermediate language scripts"
        family = "Zilla"
        severity = "Critical"
        info = "MTB: Microsoft Threat Behavior"
        signature_type = "SIGNATURE_TYPE_PEHSTR"
        threshold = "1"
        strings_accuracy = "High"
    strings:
        $x_1_1 = {06 16 fe 01 39 03 00 00 00 00 17 0a 00 06 17 fe 01}  //weight: 1, accuracy: High
    condition:
        (filesize < 20MB) and
        (all of ($x*))
}
Known malware which is associated with this threat:
b8fe102219ac498f855d823704eba0e2973547d2ce5abaf5b91eb0f84d57e21c
08/11/2025
→VirusTotal↓Download Sample
Remediation Steps:
Isolate the affected machine from the network. Use Windows Defender to perform a full scan and remove the detected threat. Change passwords for all accounts used on this machine and investigate the initial infection vector.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 08/11/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊