An Analysis of a Compromised Honeypot

Friday, 21 March 2003, 1:08 PM EST

An attacker has compromised a Sun Solaris server on a production network using an exploit for the dtspcd service in CDE; a Motif-based graphical user environment for Unix systems. You are the senior security engineer of the Security Operations Center (SOC) for your company and are required to find out how the box was compromised and by whom. Using only a Snort binary capture file from the remote log server, you are to conduct a complete analysis of all IDS captures, log files, and an inspection of the file system.

This paper will deconstruct the steps taken to conduct a full analysis of a compromised machine. In particular, we will be examining the tool that was used to exploit a dtspcd buffer overflow vulnerability, which allows remote root access to the system. The objective of this paper is to show the value of IDS logs in conducting forensics investigations.

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