Corelan Research

Two decades of exploit development research, techniques, and knowledge β€” shared openly and for free with the community.

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 Monitoring your network with Powershell

I have written a small powershell script that will help you to monitor various hosts on your network.   Instead of using ping to see if a …

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 Juniper : Netscreen Remote Dial-UP VPN with AD Radius Authentication and route based VPN / tunnel interface

The following procedure explains how to set up a Juniper ScreenOS based firewall to accept Netscreen Remote Client VPN connections and authenticate …

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 Exchange 2007 : Powershell script to select optimal database for a new mailbox

If you have multiple Storage Groups / Databases on your Exchange 2007 server, you may want to try to spread your mailboxes over all databases. …

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 Windows XP L2TP over IPSec dialup client VPN to a Juniper ScreenOS firewall, using Certificates

Before looking at the various configuration steps, we’ll have to take the following assumptions into account : - We don’t want to use the Netscreen…

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 IPSec VPN between Windows Server 2008 and Juniper ScreenOS

In this blog post, I will show you how to set up a IPSec VPN tunnel between a Windows Server and a Juniper ScreenOS based firewall and route traffic…

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Corelan Research is a long-running cybersecurity research project focused on exploit development, vulnerability research and Windows internals.   Since 2009, we have published deep technical tutorials covering topics such as stack-based exploitation, heap exploitation, shellcoding, reverse engineering and debugging. 
These tutorials have helped thousands of security researchers, penetration testers, exploit developers and exploit dev trainers learn how modern memory corruption vulnerabilities work.