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

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

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Backdoor:Linux/Mirai.DO!MTB
Classification:
Type:Backdoor
Platform:Linux
Family:Mirai
Detection Type:Concrete
Known malware family with identified signatures
Variant:DO
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 detection indicates a Linux-based Mirai botnet variant acting as a backdoor. It allows attackers remote control over the compromised system, typically for launching Distributed Denial of Service (DDoS) attacks and recruiting the device into a larger botnet.

Severity:
Medium
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Backdoor_Linux_Mirai_DO_2147844882_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Backdoor:Linux/Mirai.DO!MTB"
        threat_id = "2147844882"
        type = "Backdoor"
        platform = "Linux: Linux platform"
        family = "Mirai"
        severity = "Critical"
        info = "MTB: Microsoft Threat Behavior"
        signature_type = "SIGNATURE_TYPE_ELFHSTR_EXT"
        threshold = "1"
        strings_accuracy = "Low"
    strings:
        $x_1_1 = {02 51 20 21 ?? 62 00 00 ?? ?? ?? ?? 38 42 00 37 a0 62 00 00 24 63 00 01}  //weight: 1, accuracy: Low
    condition:
        (filesize < 20MB) and
        (all of ($x*))
}
Known malware which is associated with this threat:
Filename: Fantazy.mips
9997ba3aad89be8f8371620b5b841eaa71da6f32368d84363bab6dd57303929c
07/01/2026
→VirusTotal↓Download Sample
Filename: Fantazy.mips
e7766504710cdcb0e741ed0c4e1349ef8a968599470b9df52a9a22dc1e9fe140
06/01/2026
→VirusTotal↓Download Sample
Filename: Fantazy.mips
9b492cadd1638eafb59a865169671bb00a912dc4e675d08ac2fe039f1cc712b0
04/01/2026
→VirusTotal↓Download Sample
Filename: KKveTTgaAAsecNNaaaa.mips
3998859d7fb934a61909c72846daf5e775c30189a1d9a9794ee4332c9c4682d2
01/01/2026
→VirusTotal↓Download Sample
Filename: Fantazy.mips
0f6b0327fb3d814eab9fb2a7674195a381936da4e4c4dcad7f42553d37dc0b28
17/12/2025
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate the compromised Linux system from the network. Perform a full system scan using updated antivirus software to remove the Mirai variant. Patch all operating system and software vulnerabilities, and enforce strong, unique credentials for all accounts.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 09/12/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊