Problems with local login

Simon Haddon simon at sibern.com.au
Tue Jan 29 15:53:15 EST 2002


I don't know if this is your case or not but sometime ago before I really 
learned about security and the value of firewalls my machine was broken 
into by hackers.  The first sign I had of problems was that things where 
not working properly like ps, ls, telnet, etc.
After a little investigation I discovered that the commands where 
replaced with hacked copies but the hacked version where compiled against 
debian and didn't want to run on Redhat.  Guess I was lucky.
After reinstalling everything I then installed tripwire and a firewall.  
No problems since

Original Message dated 29/01/02, 1:48:34 AM
Author: "Boryan Yotov" <biotov at yahoo.com>
Re: Problems with local login:


Hello, all
    
    I have two problems with a Suse Linux 7.1. A friend of mine recently 
asked me about he is not able to login into his box localy. Even if he 
tried with root or his own user's account he is able only to reach the 
"Welcome ..." message but not the BASH shell prompt. When the root 
password is changed via entering single mode after rebooting the same  
    Even worse - I could access his box via SSH with the same root or 
user account, but some of the binaries into the /bin folder couldn't be 
executed (like ps and ls) hopefully the bash and sh could be ran. The 
error message is (for example "bash: /bin/ls: File name or command not 
found") is displayed. I think the reason for this occurence could be that 
he simply doesn't have rigths for executing. But that's strange - each 
user if not explicitly discarded could execute binaries from /bin.
 
    Please if someone has a lead on the problem share it with me.
    Thank you in advance.
 
Boryan Yotov
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