StalkR's Blog

Blog of a security enthusiast

Wednesday, June 19, 2013

Defcon 21 quals - blackbox write-up

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It was DEFCON 21 quals last week-end, with new organizers . It went well, good organization and good challenges. If you're curious abou...
Tuesday, June 04, 2013

Golang heap corruption during garbage collection

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I've been playing with Go recently, it's an interesting programming language (I recommend the tour ). It is compiled, garbage-col...
Friday, January 18, 2013

TOR relay and transparent routing

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I assume you already know about TOR , The Onion Router for anonymity to protect your privacy. TOR is a network so it can only work if ther...
8 comments:
Monday, May 14, 2012

USB rescue and secure boot disk

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I think it's always good to carry a rescue operating system, like Ultimate Boot CD for Linux or UBCD for Windows . Personally I like Gr...
1 comment:
Monday, April 09, 2012

YubiText and 3-factor password authentication

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As I said in the last post , I obtained YubiKey USB tokens and started to play with it. One of the programs I made is YubiText , it allows ...
2 comments:
Thursday, April 05, 2012

YubiKey USB security token

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I recently obtained YubiKeys from Yubico . It's a USB hardware token able to act as a keyboard device to input characters (a HID ) and...
Monday, April 02, 2012

PPTP VPN and policy routing on user

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The first part of this post describes how to use PPTP VPN on Linux, in command-line and not GUI. The second part, actually independent of VP...
Tuesday, March 13, 2012

Going DNSSEC, Unbound and PowerDNS

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stalkr.net is now signed with DNSSEC ! In this post I will quickly describe what is DNSSEC and why I chose to deploy it, then my choice of...
8 comments:
Tuesday, February 28, 2012

SSH/HTTP(S) multiplexing with sshttp

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Sebastian Krahmer ( @steaIth , c-skills ) made and released a nice SSH/HTTP(S) multiplexer: sshttp . Such a program is needed when you want ...
20 comments:
Sunday, January 08, 2012

Ghost in the Shellcode 2012 Teaser - Hackquest

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Again this year was ShmooCon 's Ghost in the Shellcode warm-up round or Teaser ( @ShellGhostCode ). Congrats to Eindbazen for winning!...
2 comments:
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