Exploit writing tutorial part 3b : SEH Based Exploits – just another example
In the previous tutorial post, I have explained the basics of SEH based exploits. I have mentioned that in the most simple case of an SEH based exploit, the payload is structured like this : [Junk][next SEH][SEH][Shellcode] I have indicated that SEH needs to be overwritten by a pointer to “pop pop ret” and that […]
Spread the word ! nmap 5 released
Insecure.org has released a new major version of the free, open source “nmap” security scanner. (Don’t just call nmap a port scanner – Thanks to many improvements over the last years, nmap has become an excellent security scanner). Visit http://nmap.org/5/ for more information about this new version. Although there are roughly 600 updates in this […]
Free tool : Find out where your AD Users are logged on into
Hi, I decided to release another free utility I wrote a while ago. This small command-line utility can be used to find out where Active Directory users are logged on into, and/or to find out who is logged on on specific machines. This should include local users, users that are logged in via RDP, user […]
Juniper ScreenOS : Active/Passive clustering
Introduction In this blog post, I’ll show the easy steps to set up a screenOS based active/passive cluster. I’m not going to discuss the configuration of active/active clusters because, in my opinion, this configuration is only needed in rare circumstances and may introduce some weird behaviour issues. Furthermore, active/passive clusters have been working quite well […]
Backtrack 4 cheat sheet
Download backtrack from http://www.remote-exploit.org/backtrack_download.html. Current version at the time of writing is BT4 Pre-Final.This document is based on BT4 pre-final. Ergo, some of the instructions below may not work with other versions of BT. FYI : An excellent guide about Backtrack4 can be found at BackTrack 4 – The Definitive Guide 1. Installing Backtrack […]