Metasploit module : HTTP Form field fuzzer
Introduction About a month after releasing an ftp client fuzzer module for Metasploit, I decided to release yet another fuzzer module I have been working on over the last few weeks. This new module can be used to audit web servers/web server plugins/components/filters, by fuzzing form fields and optionally fuzz some header fields. While this […]
HaXx.Me #3 – Corelan Team documentation
Last week (oct 17 2010), Lincoln (one of the Corelan Team members) informed the other team members about an ongoing hacking challenge (HaXx.Me #03) organized and hosted by MaXe (@intern0t). When I saw his message, it was already Sunday night and I knew I had to get up early the next day. Nevertheless I chose […]
In Memory Fuzzing
Introduction In memory fuzzing is a technique that allows the analyst to bypass parsers; network-related limitations such as max connections, buit-in IDS or flooding protection; encrypted or unknown (poorly documented) protocol in order to fuzz the actual underlying assembly routines that are potentially vulnerable. Prior to the development of my fuzzing toolset, I was unsatisfied […]
Corelan official IRC channel online (freenode)
#corelan Some of you may have already noticed … Corelan team decided to open an official channel on IRC (freenode). About 24 hours ago, the channel went live and we have had the pleasure to greeting about 50 users in the channel since that time. That’s great ! As a lot of people mentioned in […]
Death of an ftp client / Birth of Metasploit modules
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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BruCON 2010 : Day 0x2
[WORKSHOP] – Malicious PDF Analysis I started the second day at BruCON with attending the workshop about analyzing malicious pdf files. Didier Stevens spared no expense and prepared an impressive lab, offering all sorts of pdf exercise files. Trying to squeeze in weeks and months of research into a 2 hour workshop, he managed to […]
BruCON 2010 : Day 0x1
After hearing a lot of great things about the first edition of BruCON (in 2009), I decided to attend the con this year. The fact that BruCON is gaining popularity and established a lot of recognition in the industry already, combined with the fact that it takes place in Brussels, Belgium (my home country), it […]
DLL Hijacking (KB 2269637) – the unofficial list
This page hosts an unofficial list of applications that are said to be vulnerable to the dll hijacking flaw (or feature or whatever you want to call it). Note that I did not test these applications myself. If you have found other applications to be vulnerable and want to add them to the list, send […]
Exploit notes – win32 eggs-to-omelet
In article 8 of my exploit writing series, I have introduced the concept of egg hunters, and explained what an omelet hunter is and how it works. Today, I want to share with you my own eggs-to-omelet implementation, explain how it works, and how you can use it in a standalone exploit or in a […]
Cisco VoIP Phones – A Hackers Perspective
Introduction In the world of VoIP phones, each person may look at them differently. For some, an annoyance that sit on their desk, or maybe for some it is simply a part of their job either deploying them or as a help desk position taking phone calls all day. This could even go as far […]
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