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

Backdoor:Linux/Mirai.GM!MTB - Windows Defender Threat Analysis

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

Summary:

This is a concrete detection of a Linux backdoor from the Mirai botnet family. The malware is designed to infect Linux-based systems, including IoT devices, and enlist them into a botnet for launching DDoS attacks. Its presence on a Windows system suggests the file is being stored, staged, or is potentially active within a Windows Subsystem for Linux (WSL) environment.

Severity:
High
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Backdoor_Linux_Mirai_GM_2147913425_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Backdoor:Linux/Mirai.GM!MTB"
        threat_id = "2147913425"
        type = "Backdoor"
        platform = "Linux: Linux platform"
        family = "Mirai"
        severity = "Critical"
        info = "MTB: Microsoft Threat Behavior"
        signature_type = "SIGNATURE_TYPE_ELFHSTR_EXT"
        threshold = "2"
        strings_accuracy = "High"
    strings:
        $x_1_1 = {14 00 67 20 b6 28 00 04 67 18 43 e8 00 06 42 81 52 81 b2 82 67 0e 20 49 10 29 00 04 5c 89 b6 00 66 ee 28 10 20 44 20 08 4c df 00 1c 4e 75}  //weight: 1, accuracy: High
        $x_1_2 = {d1 ef 00 30 20 03 d0 8a 20 92 11 6a 00 04 00 04 5a 8a 5b 82 31 7c 00 02 ff f0 21 50 ff f4 41 e8 00 16 b0 8a 66 e2 4a 82 66 46 99 cc 4a af 00 30}  //weight: 1, accuracy: High
    condition:
        (filesize < 20MB) and
        (all of ($x*))
}
Known malware which is associated with this threat:
Filename: Omni.m68k
7bbac0793815037c1b8d6431da613d5f30c68ae17c0873524d38ca4ada701c20
06/12/2025
→VirusTotal↓Download Sample
Remediation Steps:
1. Use your security software to quarantine and remove the detected file. 2. If Windows Subsystem for Linux (WSL) or other Linux environments are used on this machine, investigate them for signs of compromise. 3. Scan the network for other vulnerable Linux or IoT devices, change all default credentials, and apply security patches.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 06/12/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊