Solved

Scan for malicious code on server

Posted on 2004-08-31
14
308 Views
Last Modified: 2010-04-22
Hi ,one of the users on our server is sending spam from our server thru php or cgi script.
Because in our log it only shows that apache has sent an email.

How can I find out which user is sending it or is there some programs or scripts that will allow me to scan for malicious mail sending scirpts?

Thanks
0
Comment
Question by:basara55
  • 3
  • 2
  • 2
  • +3
14 Comments
 
LVL 5

Expert Comment

by:webtrans
ID: 11941900
first u have to find out which script is sending the email
then check the log for which ip is requesting this folder
?
0
 

Author Comment

by:basara55
ID: 11941918
Well yes thats the problem I am having , How can I find out there is trizillion scripts and users on the server.
0
 
LVL 5

Expert Comment

by:webtrans
ID: 11941939
what server side scripting language are avilable on the server?
0
 

Author Comment

by:basara55
ID: 11941944
php , jsp , cgi (perl)
0
 
LVL 5

Accepted Solution

by:
webtrans earned 168 total points
ID: 11941996
use this to analyse ur apache log file
it will give u a clue
http://awstats.sourceforge.net/
0
Windows Server 2016: All you need to know

Learn about Hyper-V features that increase functionality and usability of Microsoft Windows Server 2016. Also, throughout this eBook, you’ll find some basic PowerShell examples that will help you leverage the scripts in your environments!

 
LVL 17

Expert Comment

by:owensleftfoot
ID: 11947450
The apache logfile in /var/log will show you which user accessed what by their ip addresses.
0
 
LVL 9

Assisted Solution

by:_GeG_
_GeG_ earned 166 total points
ID: 11947483
get a spam mail with headers. Now check for the sending date and time. Next check the apache log for all php/cgi/jsp request a little before this time. Then check which of those scripts can send mail. Last find the IP for this request and if it is (hopefully) a static IP send it a virus :(
My guess: look in apache logs for formmail ;)
0
 
LVL 51

Assisted Solution

by:ahoffmann
ahoffmann earned 166 total points
ID: 11982579
find /path/to/files -type f -exec egrep -i 'smtp|telnet|mail|socket' {} \; -print
0
 
LVL 9

Expert Comment

by:_GeG_
ID: 15702239
> This question has been classified as abandoned because there are no comments in the last 21 days.
lol, last post from May 2004

BTW I think my answer provided a usable solution....

0
 
LVL 20

Expert Comment

by:Venabili
ID: 15702436
>>lol, last post from May 2004
Well... it is at least 2004 :)) Not older :)
0
 
LVL 51

Expert Comment

by:ahoffmann
ID: 15702544
> BTW I think my answer provided a usable solution....
so I do ...
0

Featured Post

Windows Server 2016: All you need to know

Learn about Hyper-V features that increase functionality and usability of Microsoft Windows Server 2016. Also, throughout this eBook, you’ll find some basic PowerShell examples that will help you leverage the scripts in your environments!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
Lock Down Lubuntu 27 244
XOR DDoS / botnet patch for Solaris 10 x86 2 65
IPA - change main server? 3 103
Hardening guide / standard used on ATM machines 4 260
​Being a Managed Services Provider (MSP) has presented you  with challenges in the past— and by meeting those challenges you’ve reaped the rewards of success.  In 2014, challenges and rewards remain; but as the Internet and business environment evol…
Hello EE, Today we will learn how to send all your network traffic through Tor which is useful to get around censorship and being tracked all together to a certain degree. This article assumes you will be using Linux, have a minimal knowledge of …
This tutorial demonstrates a quick way of adding group price to multiple Magento products.
A company’s greatest vulnerability is their email. CEO fraud, ransomware and spear phishing attacks are the no1 threat to a company’s security. Cybercrime is responsible for the largest loss of money to companies today with losses projected to r…

919 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

20 Experts available now in Live!

Get 1:1 Help Now