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

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

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Backdoor:Linux/Mirai.IH!MTB
Classification:
Type:Backdoor
Platform:Linux
Family:Mirai
Detection Type:Concrete
Known malware family with identified signatures
Variant:IH
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 signifies the presence of Backdoor:Linux/Mirai.IH!MTB, a specific variant of the Mirai botnet targeting Linux systems. Mirai malware is notorious for compromising networked devices and turning them into 'bots' to launch large-scale Distributed Denial of Service (DDoS) attacks. The '!MTB' suffix indicates that machine learning behavioral analysis contributed to this concrete detection, strongly confirming its malicious intent and capabilities to establish backdoor access.

Severity:
Critical
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Backdoor_Linux_Mirai_IH_2147909013_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Backdoor:Linux/Mirai.IH!MTB"
        threat_id = "2147909013"
        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 = "Low"
    strings:
        $x_1_1 = {8f 99 80 64 8e 44 00 04 03 20 f8 09 02 20 28 21 8f bc 00 10 04 ?? ?? ?? 00 00 00 00 02 22 88 21 10 ?? ?? ?? 02 02 80 23 96 42 00 00 8e 44 00 08 8e 43 00 0c 34 42 00 08 00 64 18 23}  //weight: 1, accuracy: Low
        $x_1_2 = {96 02 00 10 8e 03 00 04 8e 07 00 0c 92 08 00 12 30 46 ff ff ae 03 00 00 ae 07 00 04 a2 08 00 0a a6 02 00 08 03 20 f8 09 24 c6 ff ed 8f bc 00 10 96 06 00 08 8f 99 80 60 02 00 20 21 03 20 f8 09 02 00 28 21 96 02 00 08 8f bc 00 10 02 02 80 21}  //weight: 1, accuracy: High
    condition:
        (filesize < 20MB) and
        (all of ($x*))
}
Known malware which is associated with this threat:
Filename: Aqua.mips
e74ab490530a5cbae3ab2b38aa9e9a0a048d04a6d7a93fcd90c47f34a8df2a05
20/01/2026
→VirusTotal↓Download Sample
Filename: boatnet.mips
66119f3170e6b11ee66b25cd83538f7206ecbd0aad99cafd09f8ec48483b4804
19/01/2026
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate the infected Linux system from the network to prevent further compromise and its participation in botnet activities. Perform a comprehensive system scan with updated security software to ensure complete eradication. Investigate the initial compromise vector, focusing on patching any exploited vulnerabilities and strengthening all default or weak credentials for SSH, web interfaces, and other services. Monitor network traffic for suspicious outbound connections indicative of DDoS activity or C2 communication.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 19/01/2026. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊