Analizzato da: Patrick Angelo Roderno   
 

HEUR:Backdoor.Linux.Ganiw.d (KASPERSKY); Backdoor:Linux/Setag!rfn (MICROSOFT); Linux/Setag.B.Gen trojan (NOD32)

 Piattaforma:

Linux

 Valutazione del rischio complessivo:
 Potenziale dannoso: :
 Potenziale di distribuzione: :
 Reported Infection:
 Informazioni esposizione: :
Basso
Medio
Alto
Critico

  • Tipo di minaccia informatica:
    Backdoor

  • Distruttivo?:
    No

  • Crittografato?:
    No

  • In the wild::
    Sì

  Panoramica e descrizione

Canale infezione: Descargado de Internet, Eliminado por otro tipo de malware

Ejecuta comandos desde un usuario remoto malicioso que pone en peligro el sistema afectado.

Se conecta a determinados sitios Web para enviar y recibir información.

  Dettagli tecnici

Dimensione file: 1,135,000 bytes
Tipo di file: ELF
Residente in memoria: No
Data di ricezione campioni iniziali: 12 aprile 2018
Carica distruttiva: Drops files, Connects to URLs/IPs, Steals information

Instalación

Crea las siguientes copias de sí mismo en el sistema afectado y las ejecuta:

  • /usr/bin/bsd-port/knerl

Crea las carpetas siguientes:

  • /usr/bin/dpkgd
  • /usr/bin/bsd-port

Rutina de puerta trasera

Ejecuta los comandos siguientes desde un usuario remoto malicioso:

  • Initiate DDoS attacks:
    • SYN flood
    • DNS flood
    • ICMP flood
    • UDP flood
    • TCP flood
    • TNS poisoning
    • Challenge Collapsar (CC) attack
  • Stop DDoS attack
  • Execute shell commands

Rutina de infiltración

Infiltra los archivos siguientes:

  • /usr/bin/bsd-port/knerl.conf
  • /tmp/notify.file
  • {Malware path}/idus.log
  • {Malware Path}/vga.conf

Robo de información

Recopila los siguientes datos:

  • OS name
  • OS version
  • CPU clock rate
  • CPU usage
  • Number of CPU cores
  • Network usage
  • RAM size
  • IP address of infected machine

Otros detalles

Se conecta al sitio Web siguiente para enviar y recibir información:

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  Soluzioni

Motore di scansione minimo: 9.850
Primo file di pattern VSAPI: 15.236.04
Data di pubblicazione del primo pattern VSAPI: 15 luglio 2019
Versione pattern VSAPI OPR: 15.237.00
Data di pubblicazione del pattern VSAPI OPR: 16 luglio 2019

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