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

Backdoor:Linux/Mirai - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Backdoor:Linux/Mirai
Classification:
Type:Backdoor
Platform:Linux
Family:Mirai
Detection Type:Concrete
Known malware family with identified signatures
Confidence:Very High
False-Positive Risk:Low

Concrete signature match: Backdoor - Provides unauthorized remote access for Linux platform, family Mirai

Summary:

Backdoor:Linux/Mirai is a notorious malware that infects Linux-based systems, particularly IoT devices, by exploiting weak or default credentials. Once infected, the device is enlisted into a botnet controlled by a remote attacker. This botnet is then used to launch large-scale Distributed Denial-of-Service (DDoS) attacks.

Severity:
Critical
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Backdoor_Linux_Mirai_B_2147721642_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Backdoor:Linux/Mirai.B"
        threat_id = "2147721642"
        type = "Backdoor"
        platform = "Linux: Linux platform"
        family = "Mirai"
        severity = "Critical"
        signature_type = "SIGNATURE_TYPE_ELFHSTR_EXT"
        threshold = "7"
        strings_accuracy = "High"
    strings:
        $x_1_1 = "nmnlmevdm" ascii //weight: 1
        $x_1_2 = "XMNNCPF" ascii //weight: 1
        $x_1_3 = "egvnmacnkr" ascii //weight: 1
        $x_1_4 = "GLC@NG" ascii //weight: 1
        $x_1_5 = "Q[QVGO" ascii //weight: 1
        $x_1_6 = "LAMPPGAV" ascii //weight: 1
        $x_1_7 = "AJWLIGF" ascii //weight: 1
        $n_1_8 = "GET /shell?cat%%20/etc/passwd" ascii //weight: -1
        $n_1_9 = "GET /system.ini?loginuse&loginpas" ascii //weight: -1
    condition:
        (filesize < 20MB) and
        (not (any of ($n*))) and
        (all of ($x*))
}
Known malware which is associated with this threat:
Filename: Omni.arm6
f736621581514cb64157ddeeeecb61f0581c090ea8546dd250955dc6fab15b03
06/12/2025
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate the affected system from the network to prevent communication with its command-and-control server. Ensure the detected file has been removed, and change all default or weak passwords on network devices, especially IoT and Linux systems. Scan the network for other compromised devices.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 09/11/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊