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

DDoS:Linux/Lightaidra - Windows Defender Threat Analysis

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

Concrete signature match: DDoS for Linux platform, family Lightaidra

Summary:

This is a concrete detection of DDoS:Linux/Lightaidra, a sophisticated Linux-based DDoS botnet client. It enables attackers to perform network scanning, brute-force attacks, file transfers (FTP), and launch various denial-of-service attacks, contributing to a botnet infrastructure. The presence of specific IRC, scanning, and flooding-related strings confirms its malicious intent.

Severity:
Critical
VDM Static Detection:
Relevant strings associated with this threat:
 - !#HSTR:StringCodeForMshta.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.C!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.D!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.L!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.O!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRegsvr32.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRundll32.A!pli (PEHSTR_EXT)
 - rundll32 (PEHSTR_EXT)
 - !#HSTR:StringCodeForBITSJobs.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForPowerShell.G!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForScheduledTask.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForDataEncoding.D!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.J!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.K!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRemoteFileCopy.B!pli (PEHSTR_EXT)
 - !#HSTR:ExecutionGuardrails (PEHSTR_EXT)
 - !#HSTR:StringCodeForFileDeletion.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.M!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForNetshHelperDLL.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRemoteServices.A!pli (PEHSTR_EXT)
YARA Rule:
rule DDoS_Linux_Lightaidra_2147717463_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "DDoS:Linux/Lightaidra"
        threat_id = "2147717463"
        type = "DDoS"
        platform = "Linux: Linux platform"
        family = "Lightaidra"
        severity = "Critical"
        signature_type = "SIGNATURE_TYPE_ELFHSTR_EXT"
        threshold = "11"
        strings_accuracy = "High"
    strings:
        $x_1_1 = "irc_" ascii //weight: 1
        $x_1_2 = "scan" ascii //weight: 1
        $x_1_3 = "flood" ascii //weight: 1
        $x_1_4 = "attack" ascii //weight: 1
        $x_1_5 = "fin.ack" ascii //weight: 1
        $x_1_6 = "password" ascii //weight: 1
        $x_1_7 = "root" ascii //weight: 1
        $x_1_8 = "shell" ascii //weight: 1
        $x_1_9 = "ftpget" ascii //weight: 1
        $x_1_10 = "admin1234" ascii //weight: 1
        $x_1_11 = "XA1bac0MX" ascii //weight: 1
        $x_1_12 = "dreambox" ascii //weight: 1
    condition:
        (filesize < 20MB) and
        (11 of ($x*))
}
Known malware which is associated with this threat:
Filename: arm
5303fc67e81fd71ad9d9f382c266ca34e9a1c87bd958a920651edb57871213e8
21/01/2026
→VirusTotal↓Download Sample
Filename: arm7
7ffdf595bda2970ad75a965376f205e12b6336126b78b128fe423d21c4105b7d
21/01/2026
→VirusTotal↓Download Sample
Filename: assailant.i586
505f8c41f6a711eab3eb4b49d7893b0fc48ada5abbba8093b3ff95577df8fb7e
20/01/2026
→VirusTotal↓Download Sample
Filename: assailant.arm4
1fe2f1d80b94e84474db5e519c0de500d9c94e2e41d8e8d3f0a1ce1d6ccf359b
20/01/2026
→VirusTotal↓Download Sample
Filename: assailant.i686
31991a90dd0c1446f8e209f0cbf9f0a4ea38914a0109e3cb2798b17c30f8cfef
20/01/2026
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate the infected Linux system from the network. Conduct a thorough forensic analysis, remove the malware, patch all system vulnerabilities, and change any compromised credentials. Implement robust network segmentation, intrusion detection/prevention systems, and ensure regular security audits to prevent future infections.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 09/12/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
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