user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Backdoor:Linux/Gafgyt.X!MTB
Backdoor:Linux/Gafgyt.X!MTB - Windows Defender threat signature analysis

Backdoor:Linux/Gafgyt.X!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Backdoor:Linux/Gafgyt.X!MTB
Classification:
Type:Backdoor
Platform:Linux
Family:Gafgyt
Detection Type:Concrete
Known malware family with identified signatures
Variant:X
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 Linux platform, family Gafgyt

Summary:

This threat is a backdoor belonging to the Gafgyt malware family, which targets Linux systems and Internet of Things (IoT) devices. Once infected, the system is added to a botnet controlled by a remote attacker. The primary purpose of this botnet is to launch large-scale Distributed Denial-of-Service (DDoS) attacks.

Severity:
Medium
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Backdoor_Linux_Gafgyt_X_2147813595_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Backdoor:Linux/Gafgyt.X!xp"
        threat_id = "2147813595"
        type = "Backdoor"
        platform = "Linux: Linux platform"
        family = "Gafgyt"
        severity = "Critical"
        info = "xp: an internal category used to refer to some threats"
        signature_type = "SIGNATURE_TYPE_ELFHSTR_EXT"
        threshold = "3"
        strings_accuracy = "High"
    strings:
        $x_2_1 = "wget -s -U" ascii //weight: 2
        $x_1_2 = "KPDIPDLPDLPDAPDTPDTPDK" ascii //weight: 1
        $x_1_3 = "LPDOPDLPDNPDOPDGPDTPDFPDO" ascii //weight: 1
        $x_1_4 = "HPDOPDLPDD JPDUPDNPDK" ascii //weight: 1
        $x_1_5 = "UPDDPDP" ascii //weight: 1
    condition:
        (filesize < 20MB) and
        (
            ((3 of ($x_1_*))) or
            ((1 of ($x_2_*) and 1 of ($x_1_*))) or
            (all of ($x*))
        )
}
Known malware which is associated with this threat:
Filename: colonna.mips
c930277a07008e99d1612260fd9c9ca9c2999fb7fb29a0034d7685f20d7ba566
06/12/2025
→VirusTotal↓Download Sample
Filename: mips
e2a53bfcaedfc2415e2e4fcf9da66c42966981571c6f21566ee0e248a48bc02d
06/12/2025
→VirusTotal↓Download Sample
Filename: kermips
e433a4a5b6713918567da9891b0dff78d9df6b1d0ae95259017ab36b22905722
06/12/2025
→VirusTotal↓Download Sample
Filename: mips
a398c1725664374d42ec6100489aa11446c6e99dbc545ea9ad528a114202b75f
02/12/2025
→VirusTotal↓Download Sample
Filename: mips
81330b608ad6b7464bb5d1ba1968d0b0dc4f4c0fb2eb6b202d0a361556d9e86a
02/12/2025
→VirusTotal↓Download Sample
Remediation Steps:
Isolate the affected system from the network to prevent further activity. Ensure the detected file has been quarantined or removed by the security software. Investigate the source of the file and scan the system for signs of persistence, unauthorized user accounts, or unusual outbound network traffic.
=== 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:~$ ▊