Didier Stevens

Wednesday 30 November 2011

Signed TaskManager

Filed under: My Software — Didier Stevens @ 19:44

This new version 0.1.1 of my TaskManager spreadsheet is exactly the same as version 0.1.0, except that it is digitally signed.

A signature allows you to use it on systems that require VBA macros to be signed.

TaskManager_V0_1_1.zip (https)
MD5: 57D0ED69E034872DE7DF217DD491B732
SHA256: 08FD64B90E34150BD48A54904F04905D84249E7042BF31E6A5AA642B2B855D91

Thursday 17 November 2011

Hotfix For SRP/AppLocker Bypass

Filed under: Windows 7 — Didier Stevens @ 10:53

Remember Microsoft has features to bypass its own Software Restriction Policies and AppLocker: Circumventing SRP and AppLocker, By Design and Circumventing SRP and AppLocker to Create a New Process, By Design.

Microsoft has issued a hotfix for this bypass: KB2532445

It is only for Windows 7 and Windows Server 2008 R2 though, it will not help you if you use SRP on Windows XP or Vista.

Thanks to @mount_knowledge.

Circumventing SRP and AppLocker, By Design

Tuesday 8 November 2011

White Hat Shellcode Workshop: Enforcing Permanent DEP

Filed under: Shellcode — Didier Stevens @ 21:12

Here’s a video of an exercise in my White Hat Shellcode Workshop I gave at Brucon in September.

Wednesday 2 November 2011

Ariad 64-bit

Filed under: My Software,Windows 7 — Didier Stevens @ 19:33

You can now download a 64-bit version of my Ariad driver.

I’ve been using this driver on my x64 Windows 7 test machine only for a couple of days, so this is still beta software.

As for the installation and configuration, it’s exactly the same as the 32-bit version: you need to download the 32-bit version for the .inf files and the GUI.

The Rubric Theme. Blog at WordPress.com.

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