Top talks on Windows Security from DEF CON 26

Our editorial team has handpicked the best of the best talks at DEF CON 26 -is one of the world's largest hacker conventions, held annually in Las Vegas, Nevada. Following is the list of top talks on Windows Security at DEF CON 26.

DEFCON 201826th Def-Con Hacking Conference is among one of the most main event on Computer, Information Technology, Cyber Security, Software, Hacking and Hack topics.

(Source: DEF CON 26)

1. Reverse Engineering Windows Defender's Emulator

Speakers: 

Alexei Bulazel, Hacker

In this presentation, we'll look at Defender's emulator for analysis of potentially malicious Windows binaries on the endpoint. To the best of my knowledge, there has never been a conference talk or publication on reverse engineering any antivirus binary emulator before. 

>>>Go To Presentation

2. Relocation Bonus: Attacking the Windows Loader Makes Analysts Switc...

Speakers:

Nick Cano, Senior Security Architect @ Cylance

This talk is about bending that loader to one's whim with the Relocations Table as a command spell. It will demonstrate how the loader can be instrumented into a mutation engine capable of transforming an utterly mangled PE file into a valid executable. This method starts with multiple ASLR Preselection attacks that force binary mapping at a predictable address. It then mangles the PE file, garbling any byte not required prior to relocation. Finally, it embeds a new Relocations Table which, when paired with a preselected base address, causes the loader to reconstruct the PE and execute it with ease.

>>>Go To Presentation

3. SMBetray - Backdooring and breaking signatures

Speakers:

William Martin, Security & Privacy Senior Associate

When it comes to taking advantage of SMB connections, most tools available to penetration testers aim for system enumeration or for performing relay attacks to gain RCE. If signatures are required, or if the victims relayed are not local admins anywhere, that can put a real stint in leveraging SMB to gain any serious footholds in a network. Fortunately, the mentioned attacks are only the tip of the iceberg of the ways to gain RCE with insecure SMB connections – and there’s a new tool to help take full advantage of these opportunities.

>>>Go To Presentation

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