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alex-ionescu.com

alex-ionescu.com

2019

Writing a Hyper-V “Bridge” for Fuzzing — Part 2 : Hypercalls & MDLsoriginal (opens in a new tab)
27 Jan 2019
Writing a Hyper-V “Bridge” for Fuzzing — Part 1: WDForiginal (opens in a new tab)
15 Jan 2019

2018

Dynamic Tracing in Windows 10 19H1original (opens in a new tab)
2 Aug 2018

2017

Bringing Call Gates Backoriginal (opens in a new tab)
7 Aug 2017
Windows Internals, 7th Edition!original (opens in a new tab)
11 May 2017

2016

Owning the Image Object File Format, the Compiler Toolchain, and the Operating System: Solving Intractable Performance Problems Through Vertical Engineeringoriginal (opens in a new tab)
6 May 2016

2015

Closing “Heaven’s Gate”original (opens in a new tab)
30 Dec 2015
What are Little PatchGuards Made Of?original (opens in a new tab)
22 Jun 2015
Analyzing MS15-050 With Diaphoraoriginal (opens in a new tab)
14 May 2015
How Control Flow Guard Drastically Caused Windows 8.1 Address Space and Behavior Changesoriginal (opens in a new tab)
22 Jan 2015

2014

Sheep Year Kernel Heap Fengshui: Spraying in the Big Kids’ Pooloriginal (opens in a new tab)
29 Dec 2014
PE Trick #1: A Codeless PE Binary File That Runsoriginal (opens in a new tab)
30 Sept 2014
The Case Of The Bloated Reference Count: Handle Table Entry Changes in Windows 8.1original (opens in a new tab)
17 Jun 2014

2013

Protected Processes Part 3 : Windows PKI Internals (Signing Levels, Scenarios, Root Keys, EKUs & Runtime Signers)original (opens in a new tab)
28 Dec 2013
The Evolution of Protected Processes Part 2: Exploit/Jailbreak Mitigations, Unkillable Processes and Protected Servicesoriginal (opens in a new tab)
11 Dec 2013
The Evolution of Protected Processes Part 1: Pass-the-Hash Mitigations in Windows 8.1original (opens in a new tab)
22 Nov 2013
KASLR Bypass Mitigations in Windows 8.1original (opens in a new tab)
17 Nov 2013

2011

New Security Assertions in “Windows 8”original (opens in a new tab)
4 Oct 2011

2009

Windows Internals 5th Edition, at last!original (opens in a new tab)
12 Jul 2009

2008

Co-Authoring Windows Internals 5th Editionoriginal (opens in a new tab)
20 Aug 2008
Black Hat 2008 Wrap-uporiginal (opens in a new tab)
7 Aug 2008
Inside Session 0 Isolation and the UI Detection Service – Part 2original (opens in a new tab)
28 Mar 2008
Inside Session 0 Isolation and the UI Detection Service – Part 1original (opens in a new tab)
15 Mar 2008
Building the Lego Millennium Falcon: A Lesson in Security?original (opens in a new tab)
25 Jan 2008
ScTagQuery: Mapping Service Hosting Threads With Their Owner Serviceoriginal (opens in a new tab)
23 Jan 2008
MemInfo: Peer Inside Memory Manager Behavior on Windows Vista and Server 2008original (opens in a new tab)
3 Jan 2008

2007

Behind Windows x64’s 44-bit Virtual Memory Addressing Limitoriginal (opens in a new tab)
4 Nov 2007
Some Vista Tips & Tricksoriginal (opens in a new tab)
21 Sept 2007
My Summer At Appleoriginal (opens in a new tab)
29 Aug 2007
Purple Pill: What Happenedoriginal (opens in a new tab)
10 Aug 2007
Introducing Haute Secureoriginal (opens in a new tab)
7 Jul 2007
Secrets of the Application Compatilibity Database (SDB) – Part 4original (opens in a new tab)
17 Jun 2007
A New Directionoriginal (opens in a new tab)
5 Jun 2007
Secrets of the Application Compatilibity Database (SDB) – Part 3original (opens in a new tab)
26 May 2007
Secrets of the Application Compatilibity Database (SDB) – Part 2original (opens in a new tab)
22 May 2007
Secrets of the Application Compatilibity Database (SDB) – Part 1original (opens in a new tab)
20 May 2007
New Object Manager Filtering APIsoriginal (opens in a new tab)
9 May 2007
Finally Legal!original (opens in a new tab)
26 Apr 2007
Good Discussion on Protected Processesoriginal (opens in a new tab)
8 Apr 2007
Introducting D-Pin Purr v1.0 – 32bit Editionoriginal (opens in a new tab)
6 Apr 2007
Why Protected Processes Are A Bad Ideaoriginal (opens in a new tab)
5 Apr 2007
The Interview Experience at Top IT Companies.original (opens in a new tab)
22 Mar 2007
Interviewing at Apple, Google and Microsoftoriginal (opens in a new tab)
17 Mar 2007
Vista DRM Issue Aftermathoriginal (opens in a new tab)
6 Mar 2007
Talk at University of Waterloooriginal (opens in a new tab)
1 Mar 2007
Rebooting from Kernel Modeoriginal (opens in a new tab)
16 Feb 2007
RtlRemoteCalloriginal (opens in a new tab)
13 Feb 2007
WordPress 2.1 Server Upgradeoriginal (opens in a new tab)
6 Feb 2007
Part 3 of User-Mode Debugging Internalsoriginal (opens in a new tab)
31 Jan 2007
Recent Eventsoriginal (opens in a new tab)
30 Jan 2007
Update on Driver Signing Bypassoriginal (opens in a new tab)
28 Jan 2007
Windows Vista 64-bit Driver Signing/PatchGuard Workaroundoriginal (opens in a new tab)
17 Jan 2007
Back from CUTCoriginal (opens in a new tab)
15 Jan 2007
Solution to Challengeoriginal (opens in a new tab)
8 Jan 2007
MASM 8.0 Free Again!original (opens in a new tab)
7 Jan 2007
Challenge of the Week (Month?)original (opens in a new tab)
6 Jan 2007
Heap Tagging is Brokenoriginal (opens in a new tab)
4 Jan 2007

2006

DR (Debug Register) Safety/Reliability and Accounting Features in Windows 2003original (opens in a new tab)
29 Dec 2006
GCC and Vista Incompatibilityoriginal (opens in a new tab)
23 Dec 2006
Why Io/NtCreateFile Fails…original (opens in a new tab)
4 Dec 2006
News and Todos…original (opens in a new tab)
3 Dec 2006
New Version of SDbgExt released!original (opens in a new tab)
25 Nov 2006
Intervieworiginal (opens in a new tab)
22 Nov 2006
Publicationsoriginal (opens in a new tab)
21 Nov 2006
Blogroll and Publicationsoriginal (opens in a new tab)
16 Nov 2006
Win32 Calling Conventions Revieworiginal (opens in a new tab)
11 Nov 2006
Using spaces in your TARGETLIBS pathoriginal (opens in a new tab)
11 Nov 2006
Part 2 of User-Mode Debugging Internals Articleoriginal (opens in a new tab)
10 Nov 2006
WDK RTM Changesoriginal (opens in a new tab)
9 Nov 2006
Microsoft Tools for Power Users/Developersoriginal (opens in a new tab)
9 Nov 2006
First Postoriginal (opens in a new tab)
7 Nov 2006

71 posts from alex-ionescu.com are held, newest first (corpus.blog, measured 9 October 2026).