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

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

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Backdoor:Linux/Mirai.BN!MTB
Classification:
Type:Backdoor
Platform:Linux
Family:Mirai
Detection Type:Concrete
Known malware family with identified signatures
Variant:BN
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 Backdoor:Linux/Mirai.BN, a specific variant of the notorious Mirai botnet family designed to compromise Linux-based devices. It functions as a backdoor, allowing remote control of the infected system, likely to enlist it into a botnet for launching DDoS attacks, and is identified through machine learning behavioral analysis coupled with specific signatures.

Severity:
Critical
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Backdoor_Linux_Mirai_BN_2147819181_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Backdoor:Linux/Mirai.BN!MTB"
        threat_id = "2147819181"
        type = "Backdoor"
        platform = "Linux: Linux platform"
        family = "Mirai"
        severity = "Critical"
        info = "MTB: Microsoft Threat Behavior"
        signature_type = "SIGNATURE_TYPE_ELFHSTR_EXT"
        threshold = "3"
        strings_accuracy = "High"
    strings:
        $x_1_1 = "hwclvgaj" ascii //weight: 1
        $x_1_2 = "cfoklkqvpcvmp" ascii //weight: 1
        $x_1_3 = "qwrgptkqmp" ascii //weight: 1
        $x_1_4 = "lcogqgptgp" ascii //weight: 1
        $x_1_5 = "nkqvglkle" ascii //weight: 1
    condition:
        (filesize < 20MB) and
        (3 of ($x*))
}
Known malware which is associated with this threat:
Filename: 2016Nwji686
967ab4aa43ddcf45044a5066fd05031acaaa96e07785d75fbb7445f3fd2c7893
15/01/2026
→VirusTotal↓Download Sample
Filename: 2016Nwjarm4
fcef4d777f6bc95746ec39589abbf10804b085148fc502f52397151cc49a3784
15/01/2026
→VirusTotal↓Download Sample
Filename: 2016Nwjppc
38fd1f25c6c6e4ed56340392ef7bc6e0060054de4571f4d14be130d3875ef2f8
15/01/2026
→VirusTotal↓Download Sample
Filename: 2016Nwji586
0182f624b9a9eaca096037e3c30cd6c4cab4c1d7f8d9d1a3b4fe2a55aa6e3d09
15/01/2026
→VirusTotal↓Download Sample
Filename: 2016Nwjx86
6ef2ac8fa897be21d88b5df3e0c5bfc260f67d2adb0870d3b830e30d8be77579
15/01/2026
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate any infected Linux systems from the network. Employ an antivirus or EDR solution to remove the Mirai malware, patch all system vulnerabilities, change default or weak credentials, and implement strong firewall rules and network segmentation to prevent reinfection.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 25/12/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊