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

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

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Backdoor:Linux/Mirai.IK!MTB
Classification:
Type:Backdoor
Platform:Linux
Family:Mirai
Detection Type:Concrete
Known malware family with identified signatures
Variant:IK
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 identifies Backdoor:Linux/Mirai.IK, a specific variant of the Mirai botnet designed to infect Linux systems, often IoT devices. It functions as a backdoor, enabling remote control and conscripting the compromised device into a botnet for launching Distributed Denial of Service (DDoS) attacks.

Severity:
Critical
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Backdoor_Linux_Mirai_IK_2147910132_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Backdoor:Linux/Mirai.IK!MTB"
        threat_id = "2147910132"
        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 = {7c 08 02 a6 94 21 ff f0 7c 64 1b 78 38 60 00 01 90 01 00 14 4c c6 31 82 48 00 03 25 80 01 00 14 38 21 00 10 7c 08 03 a6 4e 80 00 20}  //weight: 1, accuracy: High
        $x_1_2 = {94 21 ff e0 7c 08 02 a6 90 61 00 08 38 60 00 66 90 81 00 0c 38 80 00 03 90 a1 00 10 38 a1 00 08 90 01 00 24 4c c6 31 82 48 00 02 85 80 01 00 24 38 21 00 20 7c 08 03 a6 4e 80 00 20}  //weight: 1, accuracy: High
    condition:
        (filesize < 20MB) and
        (all of ($x*))
}
Known malware which is associated with this threat:
Filename: dlr.ppc
7178c414b8909ab7903880a02b34fd604928ddeb95a69869aafa1e8f828088f0
15/01/2026
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate the infected Linux system from the network. Change all default or weak credentials, ensure the operating system and firmware are fully patched, remove the detected malware, and implement robust network monitoring for any unusual activity or outbound connections.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 15/01/2026. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊