full-disclosure - Re: Distributed SSH username/password brute forceattack

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Message-ID: <001901c814d2$1c494270$53707758@cyberdelia>
Date: Mon, 22 Oct 2007 20:36:41 +0300
From: "cybergoth" <cybergoth@...tical.lt>
To: <full-disclosure@...ts.grok.org.uk>
Subject: Re: Distributed SSH username/password brute
	forceattack

Nothing special, change ssh port.

----- Original Message ----- 
From: "Philipp" <subs07@...g.dhs.org>
To: <full-disclosure@...ts.grok.org.uk>
Sent: Monday, October 22, 2007 2:36 PM
Subject: [Full-disclosure] Distributed SSH username/password brute 
forceattack


> Hello,
>
>  since this night I experience distributed SSH username/password
> guessing brute force attacks. Anyone seen something similar?
>
>  Up until this night always one host tried to guess username/password
> combinations until it got banned by fail2ban. But now I see in my
> logfiles:
>
> Oct 22 01:42:18 myhost sshd[2672]: error: PAM: Authentication failure
> for illegal user root from xxxx.de
> Oct 22 01:44:49 myhost sshd[2832]: error: PAM: Authentication failure
> for illegal user root from xxxx.85
> Oct 22 01:47:16 myhost sshd[2981]: error: PAM: Authentication failure
> for illegal user root from xxxx.86
> Oct 22 01:50:33 myhost sshd[3233]: error: PAM: Authentication failure
> for illegal user root from xxxx.ar
> Oct 22 01:52:38 myhost sshd[3307]: error: PAM: Authentication failure
> for illegal user root from xxxx.be
> Oct 22 01:55:34 myhost sshd[3551]: error: PAM: Authentication failure
> for illegal user root from xxxx.106
> Oct 22 01:58:04 myhost sshd[3691]: error: PAM: Authentication failure
> for illegal user root from xxxx.11
> Oct 22 02:00:44 myhost sshd[3999]: error: PAM: Authentication failure
> for illegal user root from xxxx.cl
>
> The time is CEST and the attacks are still ongoing.
>
> kind regards,
>
>  Philipp
>
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_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/