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Blogs >> bw's Blog

Created: Tuesday, February 21 2012 10:00.44 CST Modified: Tuesday, February 21 2012 10:01.17 CST
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Portable Executable Format Posters for Sale in A1 format
Author: bw # Views: 10801

I've created PE Format poster in A1 59,4 x 84,1 cm format, including almost all of the structures from PE/PE32+ format (with comments from WinNT.h header file), if you would like to buy a printed copy, please contact me.

http://www.secnews.pl/2012/02/21/pe-format-poster-en/


Created: Friday, April 4 2008 19:29.07 CDT  
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RCE Directory
Author: bw # Views: 3646

Just a small project of mine - a link directory to RCE tools, blogs and everything else more or less related to reverse engineering:

http://www.rcedir.com

Feel free to add your own links:

http://www.rcedir.com/submit.php

If you can't find proper category, just add your link to any available category and i will do the rest :)

Thank you!

Created: Thursday, April 19 2007 14:56.13 CDT Modified: Thursday, April 19 2007 18:06.44 CDT
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MultiExtractor File Ripper
Author: bw # Views: 3344

MultiExtractor is a classic file ripper written by my friend Maciek, if you ever wanted to see what's hidden inside files at "C:\Program Files" this is the right tool (then you can go and complain to software developers about the size of their applications becouse of the hidden easter egg pictures :)

Screenshots
http://www.multiextractor.com/screenshots.html

Created: Sunday, April 15 2007 16:52.50 CDT Modified: Monday, April 16 2007 12:03.58 CDT
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VMware detection (anti-debugging trick against TRW)
Author: bw # Views: 3391

Binaries + source code
http://www.pelock.com/blog/2007/04/15/vmware-detection-anti-debugging-trick-against-trw/

Some of the anti-debugging tricks can be used to detect VMware, one of them is an old anti TRW (TRW was a popular debugger in 9x days) trick.

This anti-debugging trick works fine on a real Windows 9x installations (95, 98, ME) but it raises an exception under VMware (while reading IDT entry).

BOOL IsVMware9xTrw()
{
    // detect NT/XP/Vista
    if ( (GetVersion() & 0x80000000) == 0 )
    {
        return FALSE;
    }

    // detect VMWare (anti debugging trick against TRW)
    // VMware isn't detected with vm acceleration disabled
    __try
    {
        __asm
        {
            sub    esp, 6
            sidt   fword ptr [esp]
            pop    ax
            pop    eax
            mov    al, byte ptr [eax + 00Eh]
        }
    }
    __except(EXCEPTION_EXECUTE_HANDLER)
    {
        return TRUE;
    }

    return FALSE;
}


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