Post-Mortem Data Destruction

1. Introduction This article describes and partly implements a method to delete or re-locate, potentially sensitive and / or incriminating information from your UNIX flavoured machine, after the sad event of your death. An older version of this article has been published before, yet it has since disappeared from the Internet and the Google cache; […]

Topic: Countermeasures, Privacy, UNIX Hacking

SSL VPNs and OpenVPN – Part IV

4. Brief How-to …. Creating Multiple clients to Single site tunnels. Example of using PKI to create a client-to-site VPN: For a road warrior or roaming/multiple user scenario, static keys based VPNs don’t scale well. You will need to implement a PKI if you have Hub and Spoke architecture of VPN. From the OpenVPN.net website: […]

Topic: Linux Hacking, Networking Hacking, Security Software

Windows Rootkits

Windows Rootkits are a big rarity in this modern web hacking tehnology… I won’t speak exactly about rootkits, because it’s impropriate to call them that way… why? Well rootkits are programs that aid you in getting access to root level users… So in the case we are using Windows rootkits we should call them admkits […]

Topic: Malware, Windows Hacking

SSL VPNs and OpenVPN – Part III

3. Brief How-to ….. OpenVPN and Site-to-Site Tunnels. OpenVPN can be implemented either Site-to-site or client-server model. I will take example configurations of both models. If you want to implement site-to-site configuration, the best way is to use static-keys instead of PKI. Using static keys, you can have your VPN tunnel up and running in […]

Topic: Linux Hacking, Networking Hacking, Security Software

SSL VPNs and OpenVPN – Part II

2. Why OpenVPN Here, in this article, I will lay down the emphasis on one important Open-Source SSL VPN software written by James Yonan and contributed by several others, which proposes security without the inherent complexity of IPsec AND using a trusted design of client component and VPN server. Usually VPNs require end points which […]

Topic: Linux Hacking, Networking Hacking, Security Software

SSL VPNs and Using OpenVPN

Requirement: To connect to a VPN server in a different country. Situation: A country which has proxies at every gateway. Issues: VPN based on IPSec is fussy when it comes across networks which are NAT’ted/ proxied. The Security Parameters Indexes don’t match and clients do not get connected. Objective: To connect VPN server in a […]

Topic: Linux Hacking, Networking Hacking, Security Software