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VID 21047
Severity 40
Port 80, ...
Protocol TCP
Class CGI
Detailed Description The "/cgi-bin/gH.cgi" cgi seems to be present. The CGI is a trojan installed in Apache 1.3.4 that can be used to control your system or make it attack another network. The source file of the backdoor exists in the following site:

http://packetstorm.securify.com/UNIX/penetration/rootkits/

It is very likely that the web server has been compromised.

* References:
http://packetstormsecurity.org/UNIX/penetration/rootkits/gH-cgi.c
Recommendation Remove the 'gH.cgi' file from /cgi-bin directory immediately..
If the backups of the server is available, restore the server from backups, and contact CERT and your local authorities.
Related URL (CVE)
Related URL (SecurityFocus)
Related URL (ISS)