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

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

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Backdoor:Linux/Mirai.ED!MTB
Classification:
Type:Backdoor
Platform:Linux
Family:Mirai
Detection Type:Concrete
Known malware family with identified signatures
Variant:ED
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 threat is a variant of the Mirai malware, a notorious botnet that infects Linux-based systems, particularly Internet of Things (IoT) devices. Once infected, the device is controlled by a remote attacker and used to participate in large-scale Distributed Denial of Service (DDoS) attacks. This detection is based on machine learning behavioral analysis, indicating the file exhibits actions consistent with this malware family.

Severity:
Medium
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Backdoor_Linux_Mirai_ED_2147890021_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Backdoor:Linux/Mirai.ED!MTB"
        threat_id = "2147890021"
        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 = "High"
    strings:
        $x_1_1 = {00 38 f7 f1 29 04 a2 a6 db 3b 60 8d a0 6c 34 da b4 3a 80 f4 31 02 89 34 73 19 88 be 99 5f 98 0e 32 54 ae 03 d6 12 0f 27 80 42 05 de d8 5e b4 e0 a6 40 cd 53 f6 2e 9c 2a 07 36 5b fa 9f 7c f0 2e cb 1a 53 8d 95 7a 07 9f 4f 12 df a9 0f 66 40 d3 84}  //weight: 1, accuracy: High
    condition:
        (filesize < 20MB) and
        (all of ($x*))
}
Known malware which is associated with this threat:
Filename: m68k
8ce4c4a94d06c59ee5e7b6a9f6e1d41ba63dfc61eaf06bde51399178ec6e66bc
16/12/2025
→VirusTotal↓Download Sample
Filename: spc
63bb071587b576f67e5f4a769621e19ce7b2b2d62310912bea71a30e7bdc4a37
16/12/2025
→VirusTotal↓Download Sample
Filename: ppc
5bc04134c9c0f1f752671b97e92e1ea2d6e8e90dd4be6176ef7e13a9137736d1
16/12/2025
→VirusTotal↓Download Sample
Filename: mips
7c3ab4631845bdf6d1f1a8875caff94049d9a96946e38122a8bd330a706d4af5
16/12/2025
→VirusTotal↓Download Sample
Filename: SecuriteInfo.com.ELF.Agent-BQZ.12576689
c9d6d1ce2f1a6776b487ba8560a001b23508c4be4f8869baa52d54f92e0361c4
06/12/2025
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate the affected Linux device from the network to prevent further malicious activity. Remove the detected file and, if possible, perform a factory reset to ensure complete removal. Change all default credentials to strong, unique passwords and apply the latest security patches and firmware updates to prevent reinfection.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 05/12/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊