user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Trojan:Win32/Phorpiex.RA!MTB
Trojan:Win32/Phorpiex.RA!MTB - Windows Defender threat signature analysis

Trojan:Win32/Phorpiex.RA!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:Win32/Phorpiex.RA!MTB
Classification:
Type:Trojan
Platform:Win32
Family:Phorpiex
Detection Type:Concrete
Known malware family with identified signatures
Variant:RA
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 32-bit Windows platform, family Phorpiex

Summary:

This is a concrete detection of Trojan:Win32/Phorpiex, a well-known botnet and spam-spreading malware family. The threat was identified through machine learning behavioral analysis, indicating the presence of malicious behaviors associated with this trojan.

Severity:
Critical
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Trojan_Win32_Phorpiex_RA_2147839148_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Trojan:Win32/Phorpiex.RA!MTB"
        threat_id = "2147839148"
        type = "Trojan"
        platform = "Win32: Windows 32-bit platform"
        family = "Phorpiex"
        severity = "Critical"
        info = "MTB: Microsoft Threat Behavior"
        signature_type = "SIGNATURE_TYPE_PEHSTR_EXT"
        threshold = "1"
        strings_accuracy = "Low"
    strings:
        $x_1_1 = {99 b9 ff 7f 00 00 f7 f9 81 c2 e8 03 00 00 52 e8 ?? ?? ?? ?? 99 b9 ff 7f 00 00 f7 f9 81 c2 e8 03 00 00 52 8d 95 ?? ?? ff ff 52 68 ?? ?? ?? ?? 8d 85 ?? ?? ff ff 50 ff 15}  //weight: 1, accuracy: Low
    condition:
        (filesize < 20MB) and
        (all of ($x*))
}
Known malware which is associated with this threat:
bd9f942b1082ef254f72b9b82a04c196a6029c9cf900c034b4657719b191e4a8
17/11/2025
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate the infected system. Perform a full system scan with updated antivirus, remove/quarantine the detected file, and investigate for persistence mechanisms. Ensure all operating systems and software are fully patched and updated.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 17/11/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊