Home page logo

basics logo Security Basics mailing list archives

ssh attempts
From: Emilio Casbas <ecasbas () unav es>
Date: Wed, 04 Jan 2006 11:35:00 +0100

I´ve noticed that several Linux Machines I have running are getting scanned via ssh for multiple accounts such as "guest webmaster mysql info shell apache test..." and many others,
the log show:

Jan 3 01:31:08 machine sshd2[22087]: WARNING: DNS lookup failed for "X.X.X.233". Jan 3 01:31:10 machine sshd2[22087]: password authentication failed. Login to account webmaster not allowed or account non-existent.
Jan  3 01:31:13 machine sshd2[21757]: LoginGraceTime exceeded.

as well there are attempts to connect with root login, with the log message show as:

WARNING: DNS lookup failed for "X.X.X.233".
Jan  3 01:17:53 machine sshd2[21651]: root login denied for user 'root'.

Obviously, We don´t have accounts with that name on our systems, and the root account is disabled for ssh, but I would like to know which software can do this scan type, because
while it's running, the machine proccesses grow too much.

Emilio C.

The Norwich University program offers unparalleled Infosec management education and the case study affords you unmatched consulting experience. Tailor your education to your own professional goals with degree customizations including Emergency Management, Business Continuity Planning, Computer Emergency Response Teams, and Digital Investigations.

  By Date           By Thread  

Current thread:
[ Nmap | Sec Tools | Mailing Lists | Site News | About/Contact | Advertising | Privacy ]