Monitoring SU usage


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# 8  
On FreeBSD as well. Some user can't just do "su -" he has to be member of wheel group.
# 9  
Responses

Hi to all who have taken the trouble to respond:

To Porter:
I appreciate your somewhat acerbic remarks about

"Then you either don't comprehend the seriousness or don't care about security.

If you had a bull rampaging in your china shop would you be trying to find the farmer or trying to protect your merchendise?"

Comprehending the seriousness is not an issue - I am well aware of it. The situation is simply that I cannot get *anything* done without being able to produce evidence of malpractice. I work for a *very* big outfit where money - not sense - counts; I am sure we have all seen similar.

I have *no* control over the server admin and even if I could get the root password changed I have reason to believe that the villain is in 'cahoots' with system support and would simply get the relevent info and carry on as before.

I need to find a 'smoking gun'

Thanks to all for your input - any other suggestions will be most appreciated - EG is there a way of putting a 'watch' on a file to log access/edit etc etc

Thanks to all again
# 10  
Finding the smoking gun is hard after "you've been compromised", but im sure you've heard of this nice project project ... take a look there, install them then sit back and watch Smilie
# 11  
Very Interesting

Andryk

thanks for this - which particular part of the project are you suggesting I install (or *try* to install!)

thanks again
# 12  
Well TBH, i've never used them before but i sense you need to monitor user'session to find out who's doing what, one particular tool might be useful for you read carefully here Ryan Barnett - GCFA Practical
# 13  
Our sys admins have a log which watches which users su to root. They also do not allow direct log on as root making the log more effective. I'll see what I can find out.

Cheers
Jamie
JayC89
# 14  
Quote:
Originally Posted by ajcannon
I have *no* control over the server admin and even if I could get the root password changed I have reason to believe that the villain is in 'cahoots' with system support and would simply get the relevent info and carry on as before.
Do you have log file messages saying "xxxx su'ed to root" or similar?

Has the box been properly hardened/locked down/audited?

Have you raised your concerns with management? If not, and there is an intruder, and you knew but said nothing, you could be in worse trouble.

Last edited by porter; 10-03-2007 at 07:09 PM..
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