Function at 0x4a7890
Capabilities:
Encode data using xor
Encrypt data using aes via x86 extensions

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff0
sub esp, 0xd0
movdqa xmm6, xmmword [eax]
movdqa xmm2, xmm6
movdqa xmm5, xmmword [eax + 0x10]
pslldq xmm2, 4
movdqa xmm0, xmm2
aeskeygenassist xmm1, xmm5, 1
pslldq xmm0, 4
movdqa xmm3, xmm0
pxor xmm0, xmm2
movaps xmmword [esp + 0x50], xmm5
pshufd xmm1, xmm1, 0xff
pslldq xmm3, 4
pxor xmm0, xmm6
movaps xmmword [esp + 0x30], xmm6
pxor xmm0, xmm3
movdqa xmm3, xmm5
pxor xmm0, xmm1
pslldq xmm3, 4
movdqa xmm7, xmm0
aeskeygenassist xmm1, xmm0, 0
movaps xmmword [esp + 0x80], xmm0
movdqa xmm0, xmm3
pshufd xmm1, xmm1, 0xaa
pslldq xmm0, 4
movdqa xmm2, xmm0
pxor xmm0, xmm3
movdqa xmm3, xmm7
pslldq xmm2, 4
pxor xmm0, xmm5
pslldq xmm3, 4
pxor xmm0, xmm2
pxor xmm0, xmm1
movdqa xmm4, xmm0
movaps xmmword [esp + 0x70], xmm0
aeskeygenassist xmm0, xmm0, 2
pshufd xmm1, xmm0, 0xff
movdqa xmm0, xmm3
pslldq xmm0, 4
movdqa xmm2, xmm0
pxor xmm0, xmm3
pslldq xmm2, 4
pxor xmm0, xmm2
pxor xmm0, xmm1
movdqa xmm1, xmm4
pxor xmm0, xmm7
pslldq xmm1, 4
movdqa xmm5, xmm0
aeskeygenassist xmm3, xmm0, 0
movaps xmmword [esp + 0xa0], xmm0
movdqa xmm0, xmm1
pshufd xmm3, xmm3, 0xaa
pslldq xmm0, 4
movdqa xmm2, xmm0
pxor xmm0, xmm1
movdqa xmm1, xmm5
pslldq xmm2, 4
pxor xmm2, xmm0
pslldq xmm1, 4
movdqa xmm0, xmm1
pxor xmm3, xmm2
pslldq xmm0, 4
movdqa xmm2, xmm0
pxor xmm0, xmm1
pxor xmm3, xmm4
pslldq xmm2, 4
pxor xmm0, xmm2
movdqa xmm6, xmm3
movaps xmmword [esp + 0x90], xmm3
aeskeygenassist xmm3, xmm3, 4
movdqa xmm1, xmm6
pshufd xmm3, xmm3, 0xff
pslldq xmm1, 4
pxor xmm3, xmm0
movdqa xmm0, xmm1
pxor xmm3, xmm5
pslldq xmm0, 4
movdqa xmm2, xmm0
pxor xmm0, xmm1
movdqa xmm5, xmmword [eax + 0x60]
movdqa xmm7, xmm3
pslldq xmm2, 4
movaps xmmword [esp + 0xc0], xmm3
aeskeygenassist xmm3, xmm3, 0
pxor xmm0, xmm2
movdqa xmm1, xmm7
pshufd xmm3, xmm3, 0xaa
pslldq xmm1, 4
pxor xmm0, xmm3
pxor xmm0, xmm6
movdqa xmm6, xmmword [eax + 0x50]
movdqa xmm4, xmm0
movaps xmmword [esp + 0xb0], xmm0
aeskeygenassist xmm0, xmm0, 8
pshufd xmm3, xmm0, 0xff
movdqa xmm0, xmm1
pslldq xmm0, 4
movdqa xmm2, xmm0
pxor xmm0, xmm1
movdqa xmm1, xmm4
pslldq xmm2, 4
pslldq xmm1, 4
pxor xmm0, xmm2
pxor xmm0, xmm3
pxor xmm0, xmm7
movdqa xmm7, xmmword [eax + 0x40]
movaps xmmword [esp + 0x60], xmm0
aeskeygenassist xmm0, xmm0, 0
movaps xmmword [esp + 0x10], xmm7
pshufd xmm3, xmm0, 0xaa
movdqa xmm0, xmm1
pslldq xmm0, 4
movdqa xmm2, xmm0
pxor xmm0, xmm1
movdqa xmm1, xmmword [eax + 0xa0]
pslldq xmm2, 4
pxor xmm0, xmm2
movdqa xmm2, xmmword [eax + 0x90]
pxor xmm0, xmm3
movdqa xmm3, xmmword [eax + 0x80]
pxor xmm0, xmm4
movdqa xmm4, xmmword [eax + 0x70]
movaps xmmword [esp + 0x40], xmm0
movdqa xmm0, xmmword [eax + 0xb0]
mov eax, 0x10
movaps xmmword [esp + 0x20], xmm0
sub eax, 1
movdqa xmm0, xmmword [esp + 0x10]
aesenc xmm0, xmmword [esp + 0x30]
movdqa xmm7, xmm0
movdqa xmm0, xmmword [esp + 0x30]
aesenc xmm1, xmm0
aesenc xmm4, xmm0
aesenc xmm6, xmm0
movaps xmmword [esp + 0x10], xmm1
aesenc xmm5, xmm0
aesenc xmm3, xmm0
aesenc xmm2, xmm0
movdqa xmm1, xmmword [esp + 0x20]
aesenc xmm1, xmm0
movdqa xmm0, xmmword [esp + 0x10]
movaps xmmword [esp + 0x20], xmm1
movdqa xmm1, xmmword [esp + 0x50]
aesenc xmm4, xmm1
aesenc xmm0, xmm1
aesenc xmm7, xmm1
aesenc xmm6, xmm1
aesenc xmm5, xmm1
aesenc xmm3, xmm1
aesenc xmm2, xmm1
movdqa xmm1, xmm0
aesenc xmm4, xmmword [esp + 0x80]
movdqa xmm0, xmmword [esp + 0x20]
aesenc xmm7, xmmword [esp + 0x80]
aesenc xmm6, xmmword [esp + 0x80]
aesenc xmm0, xmmword [esp + 0x50]
aesenc xmm5, xmmword [esp + 0x80]
aesenc xmm3, xmmword [esp + 0x80]
aesenc xmm2, xmmword [esp + 0x80]
aesenc xmm1, xmmword [esp + 0x80]
aesenc xmm4, xmmword [esp + 0x70]
aesenc xmm0, xmmword [esp + 0x80]
aesenc xmm7, xmmword [esp + 0x70]
aesenc xmm6, xmmword [esp + 0x70]
aesenc xmm5, xmmword [esp + 0x70]
aesenc xmm3, xmmword [esp + 0x70]
aesenc xmm2, xmmword [esp + 0x70]
aesenc xmm4, xmmword [esp + 0xa0]
aesenc xmm1, xmmword [esp + 0x70]
aesenc xmm0, xmmword [esp + 0x70]
aesenc xmm7, xmmword [esp + 0xa0]
aesenc xmm6, xmmword [esp + 0xa0]
aesenc xmm5, xmmword [esp + 0xa0]
aesenc xmm3, xmmword [esp + 0xa0]
aesenc xmm2, xmmword [esp + 0xa0]
aesenc xmm1, xmmword [esp + 0xa0]
aesenc xmm4, xmmword [esp + 0x90]
aesenc xmm0, xmmword [esp + 0xa0]
aesenc xmm7, xmmword [esp + 0x90]
aesenc xmm4, xmmword [esp + 0xc0]
aesenc xmm6, xmmword [esp + 0x90]
aesenc xmm5, xmmword [esp + 0x90]
aesenc xmm3, xmmword [esp + 0x90]
aesenc xmm2, xmmword [esp + 0x90]
aesenc xmm1, xmmword [esp + 0x90]
aesenc xmm0, xmmword [esp + 0x90]
aesenc xmm4, xmmword [esp + 0xb0]
aesenc xmm7, xmmword [esp + 0xc0]
aesenc xmm6, xmmword [esp + 0xc0]
aesenc xmm5, xmmword [esp + 0xc0]
aesenc xmm3, xmmword [esp + 0xc0]
aesenc xmm2, xmmword [esp + 0xc0]
aesenc xmm1, xmmword [esp + 0xc0]
aesenc xmm0, xmmword [esp + 0xc0]
aesenc xmm4, xmmword [esp + 0x60]
aesenc xmm7, xmmword [esp + 0xb0]
aesenc xmm6, xmmword [esp + 0xb0]
aesenc xmm5, xmmword [esp + 0xb0]
aesenc xmm3, xmmword [esp + 0xb0]
aesenc xmm2, xmmword [esp + 0xb0]
aesenc xmm1, xmmword [esp + 0xb0]
aesenc xmm0, xmmword [esp + 0xb0]
movaps xmmword [esp + 0x20], xmm4
aesenc xmm5, xmmword [esp + 0x60]
aesenc xmm7, xmmword [esp + 0x60]
aesenc xmm6, xmmword [esp + 0x60]
movdqa xmm4, xmmword [esp + 0x60]
aesenc xmm3, xmm4
aesenc xmm2, xmm4
aesenc xmm1, xmm4
aesenc xmm0, xmm4
movdqa xmm4, xmmword [esp + 0x40]
aesenc xmm7, xmm4
aesenc xmm6, xmm4
movdqa xmm4, xmm5
movdqa xmm5, xmmword [esp + 0x40]
aesenc xmm4, xmm5
aesenc xmm3, xmm5
aesenc xmm2, xmm5
movaps xmmword [esp], xmm4
aesenc xmm1, xmm5
aesenc xmm0, xmm5
movdqa xmm4, xmmword [esp + 0x20]
aesenc xmm4, xmm5
movdqa xmm5, xmm7
pxor xmm5, xmm6
movaps xmmword [esp + 0x10], xmm5
movdqa xmm5, xmmword [esp]
pxor xmm6, xmm5
pxor xmm5, xmm4
pxor xmm4, xmm3
pxor xmm3, xmm2
pxor xmm2, xmm1
pxor xmm1, xmm0
pxor xmm0, xmm7
movaps xmmword [esp + 0x20], xmm0
jne 0x4a7af1
movdqa xmm7, xmmword [esp + 0x10]
lea eax, [edx + 0x400000]
nop
lea esi, [esi]
aesenc xmm7, xmmword [esp + 0x30]
sub edx, 0xffffff80
aesenc xmm6, xmmword [esp + 0x30]
aesenc xmm5, xmmword [esp + 0x30]
aesenc xmm4, xmmword [esp + 0x30]
aesenc xmm3, xmmword [esp + 0x30]
aesenc xmm2, xmmword [esp + 0x30]
aesenc xmm1, xmmword [esp + 0x30]
aesenc xmm0, xmmword [esp + 0x30]
aesenc xmm7, xmmword [esp + 0x50]
aesenc xmm6, xmmword [esp + 0x50]
aesenc xmm5, xmmword [esp + 0x50]
aesenc xmm4, xmmword [esp + 0x50]
aesenc xmm3, xmmword [esp + 0x50]
aesenc xmm2, xmmword [esp + 0x50]
aesenc xmm1, xmmword [esp + 0x50]
aesenc xmm0, xmmword [esp + 0x50]
aesenc xmm7, xmmword [esp + 0x80]
aesenc xmm6, xmmword [esp + 0x80]
aesenc xmm5, xmmword [esp + 0x80]
aesenc xmm4, xmmword [esp + 0x80]
aesenc xmm3, xmmword [esp + 0x80]
aesenc xmm2, xmmword [esp + 0x80]
aesenc xmm1, xmmword [esp + 0x80]
aesenc xmm0, xmmword [esp + 0x80]
aesenc xmm6, xmmword [esp + 0x70]
aesenc xmm5, xmmword [esp + 0x70]
aesenc xmm4, xmmword [esp + 0x70]
aesenc xmm3, xmmword [esp + 0x70]
aesenc xmm2, xmmword [esp + 0x70]
aesenc xmm1, xmmword [esp + 0x70]
aesenc xmm0, xmmword [esp + 0x70]
aesenc xmm7, xmmword [esp + 0x70]
aesenc xmm7, xmmword [esp + 0xa0]
aesenc xmm6, xmmword [esp + 0xa0]
aesenc xmm5, xmmword [esp + 0xa0]
aesenc xmm4, xmmword [esp + 0xa0]
aesenc xmm3, xmmword [esp + 0xa0]
aesenc xmm2, xmmword [esp + 0xa0]
aesenc xmm1, xmmword [esp + 0xa0]
aesenc xmm0, xmmword [esp + 0xa0]
aesenc xmm7, xmmword [esp + 0x90]
aesenc xmm6, xmmword [esp + 0x90]
aesenc xmm5, xmmword [esp + 0x90]
aesenc xmm4, xmmword [esp + 0x90]
aesenc xmm3, xmmword [esp + 0x90]
aesenc xmm2, xmmword [esp + 0x90]
aesenc xmm1, xmmword [esp + 0x90]
aesenc xmm0, xmmword [esp + 0x90]
aesenc xmm7, xmmword [esp + 0xc0]
aesenc xmm6, xmmword [esp + 0xc0]
aesenc xmm5, xmmword [esp + 0xc0]
aesenc xmm4, xmmword [esp + 0xc0]
aesenc xmm3, xmmword [esp + 0xc0]
aesenc xmm2, xmmword [esp + 0xc0]
aesenc xmm1, xmmword [esp + 0xc0]
aesenc xmm0, xmmword [esp + 0xc0]
aesenc xmm6, xmmword [esp + 0xb0]
aesenc xmm5, xmmword [esp + 0xb0]
aesenc xmm4, xmmword [esp + 0xb0]
aesenc xmm3, xmmword [esp + 0xb0]
aesenc xmm2, xmmword [esp + 0xb0]
aesenc xmm1, xmmword [esp + 0xb0]
aesenc xmm0, xmmword [esp + 0xb0]
aesenc xmm7, xmmword [esp + 0xb0]
aesenc xmm7, xmmword [esp + 0x60]
aesenc xmm6, xmmword [esp + 0x60]
aesenc xmm5, xmmword [esp + 0x60]
aesenc xmm4, xmmword [esp + 0x60]
aesenc xmm3, xmmword [esp + 0x60]
aesenc xmm2, xmmword [esp + 0x60]
aesenc xmm1, xmmword [esp + 0x60]
aesenc xmm0, xmmword [esp + 0x60]
aesenc xmm7, xmmword [esp + 0x40]
aesenc xmm6, xmmword [esp + 0x40]
aesenc xmm5, xmmword [esp + 0x40]
aesenc xmm4, xmmword [esp + 0x40]
aesenc xmm3, xmmword [esp + 0x40]
aesenc xmm2, xmmword [esp + 0x40]
aesenc xmm1, xmmword [esp + 0x40]
aesenc xmm0, xmmword [esp + 0x40]
movaps xmmword [edx - 0x80], xmm7
movaps xmmword [edx - 0x70], xmm6
movaps xmmword [edx - 0x60], xmm5
movaps xmmword [edx - 0x50], xmm4
movaps xmmword [edx - 0x40], xmm3
movaps xmmword [edx - 0x30], xmm2
movaps xmmword [edx - 0x20], xmm1
movaps xmmword [edx - 0x10], xmm0
cmp edx, eax
jne 0x4a7e10
leave
ret