Analisado por: Neljorn Nathaniel Aguas   
 

Backdoor:Linux/Mirai.AY!xp (MICROSOFT)

 Plataforma:

Linux

 Classificao do risco total:
 Potencial de dano:
 Potencial de distribuição:
 infecção relatada:
 Exposição das informações:
Baixo
Medium
Alto
Crítico

  • Tipo de grayware:
    Trojan

  • Destrutivo:
    Não

  • Criptografado:
     

  • In the Wild:
    Sim

  Visão geral

Canal de infecção: Fallen gelassen von anderer Malware, Aus dem Internet heruntergeladen

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  Detalhes técnicos

Tipo de compactação: 55,408 bytes
Tipo de arquivo: ELF
Data de recebimento das amostras iniciais: 19 março 2024
Carga útil: Connects to URLs/IPs, Restarts system

Übertragungsdetails

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Andere Details

It connects to the following possibly malicious URL:

  • {BLOCKED}.{BLOCKED}.{BLOCKED}.8:53
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.199:1312
  • {BLOCKED}.{BLOCKED}.{BLOCKED}.63:7777

Es macht Folgendes:

  • It creates a TCP socket and listens for incoming connections by binding it to the following loopback address:
    • {BLOCKED}.{BLOCKED}.{BLOCKED}.1:46237
  • It creates and sets the name of its child processes using the following:
    • /bin/sh
  • It deletes itself after spawning its child processes.
  • It checks for the following files related to watchdog to disable its functions if found:
    • /bin/watchdog
    • /dev/FTWDT101_watchdog
    • /dev/FTWDT101/watchdog
    • /dev/watchdog0
    • /etc/default/watchdog
    • /etc/watchdog
  • It restarts the system after all the child processes terminates.

  Solução

Mecanismo de varredura mínima: 9.800
Primeiro arquivo padrão VSAPI: 19.230.06
Data do lançamento do primeiro padrão VSAPI: 21 março 2024
VSAPI OPR Pattern Version: 19.231.00
VSAPI OPR Pattern veröffentlicht am: 22 março 2024

Step 2

Durchsuchen Sie Ihren Computer mit Ihrem Trend Micro Produkt, und löschen Sie Dateien, die als Trojan.Linux.MIRAI.E entdeckt werden. Falls die entdeckten Dateien bereits von Ihrem Trend Micro Produkt gesäubert, gelöscht oder in Quarantäne verschoben wurden, sind keine weiteren Schritte erforderlich. Dateien in Quarantäne können einfach gelöscht werden. Auf dieser Knowledge-Base-Seite finden Sie weitere Informationen.


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