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

Backdoor:Linux/Mirai.CH!xp - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Backdoor:Linux/Mirai.CH!xp
Classification:
Type:Backdoor
Platform:Linux
Family:Mirai
Detection Type:Concrete
Known malware family with identified signatures
Variant:CH
Specific signature variant within the malware family
Suffix:!xp
Confidence:Very High
False-Positive Risk:Low

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

Summary:

This detection identifies a specific variant of the Mirai botnet malware, a backdoor designed to infect Linux-based systems. Once compromised, the device is added to a botnet and used to launch large-scale Distributed Denial of Service (DDoS) attacks. The malware spreads by scanning for other vulnerable devices with weak or default credentials.

Severity:
Critical
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Backdoor_Linux_Mirai_CH_2147822371_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Backdoor:Linux/Mirai.CH!xp"
        threat_id = "2147822371"
        type = "Backdoor"
        platform = "Linux: Linux platform"
        family = "Mirai"
        severity = "Critical"
        info = "xp: an internal category used to refer to some threats"
        signature_type = "SIGNATURE_TYPE_ELFHSTR_EXT"
        threshold = "1"
        strings_accuracy = "High"
    strings:
        $x_1_1 = {01 7f 84 e3 78 38 a0 00 18 38 c0 00 01 7c 7b 1b 78 7f a3 eb 78 48 00 21 29 7f 84 e3 78 38 a0 00 07 38 c0}  //weight: 1, accuracy: High
        $x_1_2 = {4a 14 7c 09 03 a6 4e 80 04 20 81 21 51 44 3a 41 00 08 3a c1 01 2c 2e 09 00 00 38}  //weight: 1, accuracy: High
    condition:
        (filesize < 20MB) and
        (1 of ($x*))
}
Known malware which is associated with this threat:
Filename: sora.ppc
656082eb8cfb7285165d7805cf1773948a5c1989567c4f118e0c58fd65eeca86
05/12/2025
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate the affected system from the network to prevent lateral movement and communication with its command-and-control server. Quarantine and delete the detected file. Change all default and weak passwords on the device and any other Linux/IoT systems on the network, and ensure systems are patched and securely configured.
=== 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:~$ ▊