user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Backdoor:Win32/Netwire.GG!MTB
Backdoor:Win32/Netwire.GG!MTB - Windows Defender threat signature analysis

Backdoor:Win32/Netwire.GG!MTB - Windows Defender Threat Analysis

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

Summary:

This is a concrete detection of Backdoor:Win32/Netwire.GG!MTB, a sophisticated Remote Access Trojan (RAT) from the Netwire family. It establishes persistence using a specific registry key ("SOFTWARE\NetWire") and utilizes HTTP communication for command and control (C2), enabling data exfiltration and remote system control.

Severity:
Critical
VDM Static Detection:
Relevant strings associated with this threat:
 - SOFTWARE\NetWire (PEHSTR_EXT)
 - filenames.txt (PEHSTR_EXT)
 - GET %s HTTP/1.1 (PEHSTR_EXT)
YARA Rule:
rule Backdoor_Win32_Netwire_GG_2147795257_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Backdoor:Win32/Netwire.GG!MTB"
        threat_id = "2147795257"
        type = "Backdoor"
        platform = "Win32: Windows 32-bit platform"
        family = "Netwire"
        severity = "Critical"
        info = "MTB: Microsoft Threat Behavior"
        signature_type = "SIGNATURE_TYPE_PEHSTR_EXT"
        threshold = "20"
        strings_accuracy = "High"
    strings:
        $x_15_1 = "SOFTWARE\\NetWire" ascii //weight: 15
        $x_1_2 = "filenames.txt" ascii //weight: 1
        $x_1_3 = "HostId" ascii //weight: 1
        $x_1_4 = "%Rand%" ascii //weight: 1
        $x_1_5 = "GET %s HTTP/1.1" ascii //weight: 1
        $x_1_6 = "Accept-Language: en-US,en" ascii //weight: 1
        $x_1_7 = "Connection: close" ascii //weight: 1
        $x_1_8 = "200 OK" ascii //weight: 1
    condition:
        (filesize < 20MB) and
        (
            ((1 of ($x_15_*) and 5 of ($x_1_*))) or
            (all of ($x*))
        )
}
Known malware which is associated with this threat:
Filename: 44EA40AB154DB23A5472610E740F67A1.exe
73cf4c1de3510d4010419a34a87b341c18d6144080988d23abe965bed3d73a5e
24/01/2026
Remediation Steps:
Immediately isolate the compromised host to prevent further damage. Perform a full system scan with an updated antivirus/EDR solution to remove the malware and any associated components, including the "SOFTWARE\NetWire" registry key. Investigate for lateral movement, credential compromise, and data exfiltration, resetting any affected user credentials.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 24/01/2026. Do you want to analyze it again?
$ ls available-commands/
user@threatcheck.sh:~$