module Rex::Encoders::XorDword::Backend
Public Instance Methods
_prepend()
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# File lib/rex/encoders/xor_dword.rb, line 15 def _prepend # set the counter to the rounded up number of dwords to decode Rex::Arch::X86.set( Rex::Arch::X86::ECX, (encoded.length - 1 >> 2) + 1, badchars ) + "\xe8\xff\xff\xff" + # call $+4 "\xff\xc0" + # inc eax "\x5e" + # pop esi "\x81\x76\x0e" + key + # xor_xor: xor [esi + 0x0e], $xorkey "\x83\xee\xfc" + # sub esi, -4 "\xe2\xf4" # loop xor_xor end