hacker TV – Understanding buffer overflow exploitation

The fascinating interplay of CPU, stack, C-compiler and shellcode in a nutshell Everything started with Aleph One’s paper “Smashing the Stack for Fun and Profit”. These techniques are still the basis for modern exploitation of buffer, heap and format string vulnerabilities. We will give a swift overview about C functions, stack usage, assembler, gcc, gdb Read More …

1bb Music VIdeo – Wind Chimes

Sometimes I get bored and just start mucking around with #shotcut video editor, and things like these videos come out. Running around Chicago doing errands on a rainy day. #shotcutvideo #collage #collagelife #weird #weirdvisualfx #kaleidoscope #kaleidoscopevideos #kaleidoscopeoflife #driving #lsd #chicago #timelapse #groceryshopping #videotour #slipstream #version #version6 #versionsix #Visualart #kaleidoscopevideos #collage #groove #kaleidoscopeart #kaleidoscopeeffect #kaleidoscopevideo #kaleidoscope Read More …

Conference Video – Why We are Not Building a Defendable Internet

In IT security, offensive problems are technical – but most defensive problems are political and organisational. Attackers have the luxury to focus only on the technical aspects of their work, while defenders have to navigate complex political and regulatory environments. In a previous talk (“Rearchitecting a defendable internet”) I discussed what technical measures would yield Read More …

Hacker TV – Kerberoasting & Attacks 101

Want to understand how Kerberos works?  Would you like to understand modern Kerberos attacks? Tim Medin walks you through how to attack Kerberos with ticket attacks and Kerberoasting. He covers the basics of Kerberos authentication and then shows you how the trust model can be exploited for persistence, pivoting, and privilege escalation. At the conclusion, Read More …

Initial Experiments – Deep Groove in the Floor

Sometimes I get bored and just start mucking around with #shotcut video editor, and things like these videos come out. Running around Chicago doing errands on a rainy day. #shotcutvideo #collage #collagelife #weird #weirdvisualfx #kaleidoscope #kaleidoscopevideos #kaleidoscopeoflife #driving #lsd #chicago #timelapse #groceryshopping #videotour #slipstream #version #version6 #versionsix #kaleidoscopeart #kaleidoscopevideos #kaleidoscopeeffect #kaleidoscopeworld #kaleidoscopevideo

Conference Video – Former CIA Officer Will Teach You How to Spot a Lie

In this participatory session, you will learn how to tell when someone is lying. Really. As a former CIA Officer with more than 20 years of experience in interviewing, interrogation and polygraph examination, Susan has seen her share of truth avoiders. She has, in fact, developed behavioral screening programs that are used by the federal Read More …