[AsteriskBrasil] (URGENTE) Tentativa de Invasão?

Roniton Rezende Oliveira roniton em gmail.com
Sexta Janeiro 22 11:16:49 BRST 2010


Leia o artigo do Guilherme Loch Góes - Segurança no Asterisk
(http://www.voipexperts.com.br/Tutoriais-sobre-Asterisk-e-VoIP/Seguranca-no-Asterisk)
ou o original (http://blogs.digium.com/2009/03/28/sip-security/)

Roniton Oliveira

2010/1/22  <brunoantognolli em email.com>:
>
>
> Pessoal, estava olhando o Log do Asterisk e ví a seguinte msg:
>
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> [Jan 22 10:00:25] NOTICE[14350]: chan_sip.c:15593 handle_request_register:
> Registration from '"1013" <sip:1013 em XXX.XXX.XXX.XXX>' failed for
> '174.129.173.249' - Wrong password
> Notem que em 1 segundo o "invasor" tentou várias vezes se registrar no sip
> 1013 (através do método BruteForce) pelo meu link do speedy. O IP do
> "invasor" é 174.129.173.249.
>
> Isso seria uma tentativa de invasão?
>
> Se sim, como ele conseguiu acesso aos meus ramais SIP?
> O que preciso fazer para tirar esse cara da rede?
>
> Em uma pesquisa rápida descobri que esse IP é de Washington.
> http://www.botsvsbrowsers.com/ip/174.129.173.249/index.html
>
> Estou alarmado a toa ou é realmente uma tentativa de invasão?
>
> Obrigado lista.
> _______________________________________________
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