Re: Question about entry in auth.log

2008-11-15 Thread Wojciech Puchar
Nov 12 15:44:29 mail sshd[30160]: Accepted keyboard-interactive/pam for michael from 89.123.165.3 po rt 55185 ssh2 There is a user michael on the system, but whoever was doing this was not him. I am assuming someone tried to break in using a valid username (michael) but with an incorrect

Re: Question about entry in auth.log

2008-11-15 Thread Wojciech Puchar
Very odd. Sigh, Michael is not vacationing in Romania. Doubt he's ever been there. I got rid of the michael account (it wasn't used anyway), and downloaded a new copy of chkrootkit, installed it and ran it along with chklastlog and chkwtmp. Nothing was found. Pehaps this was a harmless enough

Re: Question about entry in auth.log

2008-11-15 Thread Valentin Bud
Hello, I personally use key authentication along with DenyUsers and AllowUsers directives from sshd. One more thing i do regarding ssh brute force is to make use of the max-src-conn and max-src-conn-rate from pf firewall. My auth logs look like: Nov 14 11:15:36 xxx sshd[3570]: User root from

Re: Question about entry in auth.log

2008-11-15 Thread Jeremy Chadwick
On Fri, Nov 14, 2008 at 11:37:15PM -0800, Jeremy Chadwick wrote: On Fri, Nov 14, 2008 at 10:00:13PM -0500, Lisa Casey wrote: Very odd. Sigh, Michael is not vacationing in Romania. Doubt he's ever been there. I got rid of the michael account (it wasn't used anyway), and downloaded a new

Re: Question about entry in auth.log

2008-11-15 Thread Wojciech Puchar
Also keep in mind that the user may not have actually logged in and gotten a shell; the message you see can also happen if the individual simply scp'd something (e.g. no shell spawned). but this case there are other messages about scp, not sure if in auth.log or others. i use single file for

Re: Question about entry in auth.log

2008-11-15 Thread mdh
--- On Sat, 11/15/08, Jeremy Chadwick [EMAIL PROTECTED] wrote: From: Jeremy Chadwick [EMAIL PROTECTED] Subject: Re: Question about entry in auth.log To: Lisa Casey [EMAIL PROTECTED] Cc: freebsd-questions@freebsd.org Date: Saturday, November 15, 2008, 2:37 AM On Fri, Nov 14, 2008 at 10:00

Question about entry in auth.log

2008-11-14 Thread Lisa Casey
Hi, I run several FreeBSD servers. Today I noticed an entry in the auth.log on one of them that concerns me. The entry is this: Nov 12 15:44:29 mail sshd[30160]: Accepted keyboard-interactive/pam for michael from 89.123.165.3 po rt 55185 ssh2 There is a user michael on the system, but

Re: Question about entry in auth.log

2008-11-14 Thread Steven Susbauer
Lisa Casey wrote: Hi, I run several FreeBSD servers. Today I noticed an entry in the auth.log on one of them that concerns me. The entry is this: Nov 12 15:44:29 mail sshd[30160]: Accepted keyboard-interactive/pam for michael from 89.123.165.3 po rt 55185 ssh2 There is a user michael

Re: Question about entry in auth.log

2008-11-14 Thread Tom Marchand
On Nov 14, 2008, at 8:00 PM, Steven Susbauer wrote: Lisa Casey wrote: Hi, I run several FreeBSD servers. Today I noticed an entry in the auth.log on one of them that concerns me. The entry is this: Nov 12 15:44:29 mail sshd[30160]: Accepted keyboard-interactive/pam for michael from

Re: Question about entry in auth.log

2008-11-14 Thread Lisa Casey
On Fri, 14 Nov 2008, Tom Marchand wrote: Or michael is vacationing in Romania. Very odd. Sigh, Michael is not vacationing in Romania. Doubt he's ever been there. I got rid of the michael account (it wasn't used anyway), and downloaded a new copy of chkrootkit, installed it and ran it

Re: Question about entry in auth.log

2008-11-14 Thread Jeremy Chadwick
On Fri, Nov 14, 2008 at 10:00:13PM -0500, Lisa Casey wrote: Very odd. Sigh, Michael is not vacationing in Romania. Doubt he's ever been there. I got rid of the michael account (it wasn't used anyway), and downloaded a new copy of chkrootkit, installed it and ran it along with chklastlog