SSH Trojan found on my system, request more info on identification

From: Erick Arturo Perez Huemer (eperezat_private)
Date: Wed Oct 23 2002 - 18:55:09 PDT

  • Next message: Alec Kosky: "Re: SSH Trojan found on my system, request more info on identification"

     
     
     Sirs, the attached ssh trojan was found on one of the systems 
     connected to our network.
     MD5: 474b2cc161dd428de6226914ba48281f
     
     Details:
     Machine:Linux Mandrake release 8.0 (Traktopel) for i586
     Primary use: Mail Server with remote admin via SSH.
     Original SSH server was disabled:  OpenSSH_2.5.2p2
     Trojan Listen on port 65298 TCP
     Installed as /usr/sbin/mingetty
     Banner: SSH-1.5-Dragos's Empire Inc.
     Chkrootkit -r /usr/sbin detected nothing
     Chkrootkit -r / detected nothing
     Chkrootkit -r /usr/sbin/ mingetty detected nothing
     
     Lsof Output:
     [root@mail temp]# lsof -p 23256
     COMMAND    PID USER   FD   TYPE DEVICE    SIZE NODE NAME
     mingetty 23256 root  cwd    DIR    3,1     408    2 /
     mingetty 23256 root  rtd    DIR    3,1     408    2 /
     mingetty 23256 root  txt    REG    3,6  654387 6455 /usr/sbin/mingetty
     mingetty 23256 root  mem    REG    3,1  420778   67 /lib/ld-2.2.2.so
     mingetty 23256 root  mem    REG    3,1   78208   80 
     /lib/libnsl-2.2.2.so
     mingetty 23256 root  mem    REG    3,1   21812   74 
     /lib/libcrypt-2.2.2.so
     mingetty 23256 root  mem    REG    3,1    8284  102 
     /lib/libutil-2.2.2.so
     mingetty 23256 root  mem    REG    3,1 1216268   72 /lib/libc-2.2.2.so
     mingetty 23256 root    0u   CHR    1,3           62 /dev/null
     mingetty 23256 root    1u   CHR    1,3           62 /dev/null
     mingetty 23256 root    2u   CHR    1,3           62 /dev/null
     mingetty 23256 root    3u   CHR    5,1         4838 /dev/console
     mingetty 23256 root    4u   CHR    5,1         4838 /dev/console
     mingetty 23256 root    5u   CHR    5,1         4838 /dev/console
     mingetty 23256 root    6u  IPv4 122992          TCP *:65298 (LISTEN)
     mingetty 23256 root   21w  FIFO    0,0           16 pipe
     [root@mail temp]#
     
     Any help will be appreciated to grab further info on this.
    
    PD. The executablwe is about 650 Kb so I cannot attach it to this
    message. Even a .tar is about 200k, so anyone who wants to see it, email
    me and i wil lsend it..
    Thanks,
     
     Erick A. Perez H.
     
    
    
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