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

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

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Backdoor:Linux/Mirai.FA!MTB
Classification:
Type:Backdoor
Platform:Linux
Family:Mirai
Detection Type:Concrete
Known malware family with identified signatures
Variant:FA
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.FA!MTB, a variant of the infamous Mirai botnet specifically targeting Linux systems. It establishes a backdoor, enabling attackers to gain remote control and enroll the device into a botnet for DDoS attacks or other malicious operations.

Severity:
Critical
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Backdoor_Linux_Mirai_FA_2147901928_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Backdoor:Linux/Mirai.FA!MTB"
        threat_id = "2147901928"
        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 = {10 73 00 55 24 02 00 09 10 62 00 53 24 02 00 01 10 e2 00 47 00 00 00 00 00 00 38 21 28 a2 00 07 10 40 00 05 24 84 00 01 80 83 00 00 24 c6 00 01 14 60 ff f3}  //weight: 1, accuracy: High
        $x_1_2 = "someoffdeeznuts" ascii //weight: 1
    condition:
        (filesize < 20MB) and
        (all of ($x*))
}
Known malware which is associated with this threat:
Filename: mips
010ca004c63f05c7669006aac355eeaa3684e23faa8f8abf7f739ea4eed92347
22/03/2026
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate affected Linux systems, remove the malicious file, and reset all credentials on compromised devices. Patch any identified vulnerabilities, implement network segmentation, and enable continuous monitoring to prevent reinfection.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 22/03/2026. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊