One Flew Over The Cuckoos Nest – Automated Malware Analysis Claudio Guarnieri, senior researcher at iSight Partner, and part of the Shadowserver Foundation and the HoneyPot project. He works with malware on a daily basis, maintains malwr.com and is the main developer of the Cuckoo Sandbox, which is also the main topic of his talk. […]
Over the past few weeks, Corelan Team has given its undivided attention to fuzzing ftp client applications.
Using a custom built ftp client fuzzer, now part of the Metasploit framework, the team has audited several ftp clients and applications that use an embedded client ftp component. One example of such an application is a tool that would synchronize / backup data from a computer to a remote ftp server.
The 3 main audit/attack vectors that were used during the “project” were
send back overly long responses to ftp commands / requests sent by the ftp client to the server
send back a file/directory listing that contains overly long file/folder names
try to download a file that has an overly long filename.
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In the first parts of the exploit writing tutorial, I have discussed some common vulnerabilities that can lead to 2 types of exploits : stack based buffer overflows (with direct EIP overwrite), and stack based buffer overflows that take advantage of SEH chains. In my examples, I have used perl to demonstrate how to build […]
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