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Inline JScript For x86 Cryptography

hh86
Valhalla #3
December 2012

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Abstract

I have written a lot of script viruses, and even more machine code viruses. In Valhalla 1, I wrote a JScript that used the .NET Framework to get obfuscated and compiled into an executable file. It was the first time I put JScript in binary file. However this time I present a new and different technique. This is my first W32 virus to have inline JScript code using it for cryptography. I call it W32/Unit00. You get the best of both worlds. ;)

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