Function at 0x490d90
Capabilities:
Encode data using xor
Encrypt data using aes
Reference aes constants

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
push edi
mov edi, dword [ebp + 8]
mov eax, dword [edi + 0xf0]
shr eax, 1
mov dword [ebp - 0x1c], eax
cmp eax, 7
ja 0x491320
test eax, eax
je 0x491320
mov eax, dword [ebp + 0xc]
push ebx
push esi
mov ecx, dword [eax]
mov ebx, ecx
mov edx, dword [eax + 4]
mov esi, dword [eax + 8]
rol ecx, 8
and ecx, 0xff00ff
mov eax, dword [eax + 0xc]
ror ebx, 8
and ebx, 0xff00ff00
or ebx, ecx
mov ecx, edx
ror ecx, 8
and ecx, 0xff00ff00
xor ebx, dword [edi]
rol edx, 8
and edx, 0xff00ff
or ecx, edx
xor ecx, dword [edi + 4]
mov dword [ebp - 0x18], ecx
mov ecx, esi
ror ecx, 8
and ecx, 0xff00ff00
rol esi, 8
and esi, 0xff00ff
or ecx, esi
xor ecx, dword [edi + 8]
mov dword [ebp - 8], ecx
mov ecx, eax
ror ecx, 8
rol eax, 8
and ecx, 0xff00ff00
and eax, 0xff00ff
or ecx, eax
mov eax, 0x526310
xor ecx, dword [edi + 0xc]
xor edx, edx
mov dword [ebp - 0x10], ecx
nop dword [eax + eax]
mov ecx, 0x20
and edx, dword [eax]
add eax, 0x20
sub ecx, 1
jne 0x490e45
cmp eax, 0x527310
jl 0x490e40
mov edi, dword [ebp - 8]
or ebx, edx
mov edx, dword [ebp - 0x18]
mov eax, edi
shr eax, 8
movzx ecx, al
mov eax, edx
shr eax, 0x10
movzx eax, al
mov ecx, dword [ecx*4 + 0x526b10]
xor ecx, dword [eax*4 + 0x526710]
mov eax, ebx
shr eax, 0x18
xor ecx, dword [eax*4 + 0x526310]
mov dword [ebp - 0xc], ecx
mov ecx, dword [ebp - 0x10]
mov esi, dword [ebp - 0xc]
movzx eax, cl
xor esi, dword [eax*4 + 0x526f10]
mov eax, dword [ebp + 8]
xor esi, dword [eax + 0x10]
mov eax, ecx
shr eax, 8
movzx ecx, al
mov eax, edi
shr eax, 0x10
movzx eax, al
mov dword [ebp - 0xc], esi
mov ecx, dword [ecx*4 + 0x526b10]
mov esi, dword [ebp + 8]
xor ecx, dword [eax*4 + 0x526710]
mov eax, edx
shr eax, 0x18
xor ecx, dword [eax*4 + 0x526310]
movzx eax, bl
xor ecx, dword [eax*4 + 0x526f10]
xor ecx, dword [esi + 0x14]
mov eax, dword [ebp - 0x10]
shr eax, 0x10
mov dword [ebp - 0x14], ecx
movzx ecx, al
mov eax, ebx
shr eax, 8
movzx eax, al
shr ebx, 0x10
mov ecx, dword [ecx*4 + 0x526710]
xor ecx, dword [eax*4 + 0x526b10]
mov eax, edi
shr eax, 0x18
xor ecx, dword [eax*4 + 0x526310]
movzx eax, dl
shr edx, 8
xor ecx, dword [eax*4 + 0x526f10]
xor ecx, dword [esi + 0x18]
mov dword [ebp + 8], ecx
movzx ecx, dl
movzx eax, bl
mov ecx, dword [ecx*4 + 0x526b10]
xor ecx, dword [eax*4 + 0x526710]
mov eax, dword [ebp - 0x10]
shr eax, 0x18
xor ecx, dword [eax*4 + 0x526310]
mov eax, edi
mov edi, dword [ebp - 0x1c]
movzx eax, al
xor ecx, dword [eax*4 + 0x526f10]
xor ecx, dword [esi + 0x1c]
add esi, 0x20
mov dword [ebp - 4], ecx
mov dword [ebp - 8], esi
sub edi, 1
je 0x491171
mov esi, dword [ebp + 8]
mov eax, esi
shr eax, 8
movzx ecx, al
mov eax, dword [ebp - 0x14]
shr eax, 0x10
movzx eax, al
mov ecx, dword [ecx*4 + 0x526b10]
mov edx, dword [ebp - 0xc]
xor ecx, dword [eax*4 + 0x526710]
mov eax, edx
shr eax, 0x18
xor ecx, dword [eax*4 + 0x526310]
mov eax, dword [ebp - 4]
movzx eax, al
xor ecx, dword [eax*4 + 0x526f10]
mov eax, dword [ebp - 8]
xor ecx, dword [eax]
mov eax, dword [ebp - 4]
shr eax, 8
mov dword [ebp - 0x10], ecx
movzx ecx, al
mov eax, esi
shr eax, 0x10
movzx eax, al
mov ecx, dword [ecx*4 + 0x526b10]
xor ecx, dword [eax*4 + 0x526710]
mov eax, dword [ebp - 0x14]
shr eax, 0x18
xor ecx, dword [eax*4 + 0x526310]
movzx eax, dl
xor ecx, dword [eax*4 + 0x526f10]
mov eax, dword [ebp - 8]
xor ecx, dword [eax + 4]
mov eax, dword [ebp - 4]
shr eax, 0x10
mov dword [ebp - 0x18], ecx
movzx ecx, al
mov eax, edx
shr eax, 8
movzx eax, al
shr edx, 0x10
mov ebx, dword [ecx*4 + 0x526710]
mov ecx, dword [ebp - 0x14]
xor ebx, dword [eax*4 + 0x526b10]
mov eax, esi
shr eax, 0x18
mov esi, dword [ebp - 8]
xor ebx, dword [eax*4 + 0x526310]
movzx eax, cl
shr ecx, 8
movzx ecx, cl
xor ebx, dword [eax*4 + 0x526f10]
xor ebx, dword [esi + 8]
movzx eax, dl
mov edx, dword [ecx*4 + 0x526b10]
xor edx, dword [eax*4 + 0x526710]
mov eax, dword [ebp - 4]
shr eax, 0x18
xor edx, dword [eax*4 + 0x526310]
mov eax, dword [ebp + 8]
movzx eax, al
xor edx, dword [eax*4 + 0x526f10]
mov eax, ebx
xor edx, dword [esi + 0xc]
shr eax, 8
movzx ecx, al
mov eax, dword [ebp - 0x18]
shr eax, 0x10
movzx eax, al
mov ecx, dword [ecx*4 + 0x526b10]
xor ecx, dword [eax*4 + 0x526710]
mov eax, dword [ebp - 0x10]
shr eax, 0x18
xor ecx, dword [eax*4 + 0x526310]
movzx eax, dl
xor ecx, dword [eax*4 + 0x526f10]
mov eax, esi
xor ecx, dword [eax + 0x10]
mov eax, edx
mov dword [ebp - 0xc], ecx
shr eax, 8
movzx ecx, al
mov eax, ebx
shr eax, 0x10
movzx eax, al
mov ecx, dword [ecx*4 + 0x526b10]
xor ecx, dword [eax*4 + 0x526710]
mov eax, dword [ebp - 0x18]
shr eax, 0x18
xor ecx, dword [eax*4 + 0x526310]
mov eax, dword [ebp - 0x10]
movzx eax, al
xor ecx, dword [eax*4 + 0x526f10]
mov eax, esi
xor ecx, dword [eax + 0x14]
mov eax, edx
shr eax, 0x10
mov dword [ebp - 0x14], ecx
movzx ecx, al
mov eax, dword [ebp - 0x10]
shr eax, 8
movzx eax, al
mov ecx, dword [ecx*4 + 0x526710]
shr edx, 0x18
xor ecx, dword [eax*4 + 0x526b10]
mov eax, ebx
shr eax, 0x18
xor ecx, dword [eax*4 + 0x526310]
mov dword [ebp + 8], ecx
mov ecx, dword [ebp - 0x18]
mov esi, dword [ebp + 8]
movzx eax, cl
shr ecx, 8
movzx ecx, cl
xor esi, dword [eax*4 + 0x526f10]
mov dword [ebp + 8], esi
mov eax, esi
mov esi, dword [ebp - 8]
mov ecx, dword [ecx*4 + 0x526b10]
xor eax, dword [esi + 0x18]
mov dword [ebp + 8], eax
mov eax, dword [ebp - 0x10]
shr eax, 0x10
movzx eax, al
xor ecx, dword [eax*4 + 0x526710]
xor ecx, dword [edx*4 + 0x526310]
movzx eax, bl
xor ecx, dword [eax*4 + 0x526f10]
xor ecx, dword [esi + 0x1c]
add esi, 0x20
mov dword [ebp - 4], ecx
mov dword [ebp - 8], esi
sub edi, 1
jne 0x490f67
mov ebx, dword [ebp - 0x14]
mov eax, ebx
shr eax, 0x10
movzx eax, al
mov edx, dword [ebp - 0xc]
mov ecx, dword [eax*4 + 0x526f10]
mov eax, dword [ebp + 8]
and ecx, 0xff0000
shr eax, 8
movzx eax, al
mov eax, dword [eax*4 + 0x526310]
and eax, 0xff00
xor ecx, eax
mov eax, edx
shr eax, 0x18
mov eax, dword [eax*4 + 0x526b10]
and eax, 0xff000000
xor ecx, eax
mov eax, dword [ebp - 4]
movzx eax, al
movzx eax, byte [eax*4 + 0x526710]
xor ecx, eax
mov eax, dword [ebp + 8]
shr eax, 0x10
movzx eax, al
xor ecx, dword [esi]
mov edi, dword [eax*4 + 0x526f10]
mov eax, dword [ebp - 4]
and edi, 0xff0000
shr eax, 8
movzx eax, al
mov eax, dword [eax*4 + 0x526310]
and eax, 0xff00
xor edi, eax
mov eax, ebx
shr eax, 0x18
mov eax, dword [eax*4 + 0x526b10]
and eax, 0xff000000
xor edi, eax
movzx eax, dl
movzx eax, byte [eax*4 + 0x526710]
xor edi, eax
mov eax, dword [ebp - 4]
xor edi, dword [esi + 4]
shr eax, 0x10
movzx eax, al
mov esi, dword [eax*4 + 0x526f10]
mov eax, edx
shr eax, 8
and esi, 0xff0000
movzx eax, al
shr edx, 0x10
mov eax, dword [eax*4 + 0x526310]
and eax, 0xff00
xor esi, eax
mov eax, dword [ebp + 8]
shr eax, 0x18
mov eax, dword [eax*4 + 0x526b10]
and eax, 0xff000000
xor esi, eax
movzx eax, bl
shr ebx, 8
movzx eax, byte [eax*4 + 0x526710]
xor esi, eax
mov eax, dword [ebp - 8]
xor esi, dword [eax + 8]
movzx eax, dl
mov edx, dword [eax*4 + 0x526f10]
movzx eax, bl
and edx, 0xff0000
mov eax, dword [eax*4 + 0x526310]
and eax, 0xff00
xor edx, eax
mov eax, dword [ebp - 4]
shr eax, 0x18
mov eax, dword [eax*4 + 0x526b10]
and eax, 0xff000000
xor edx, eax
mov eax, dword [ebp + 8]
movzx eax, al
movzx eax, byte [eax*4 + 0x526710]
xor edx, eax
mov eax, dword [ebp - 8]
xor edx, dword [eax + 0xc]
mov eax, ecx
ror eax, 8
and eax, 0xff00ff00
rol ecx, 8
and ecx, 0xff00ff
or eax, ecx
mov ecx, dword [ebp + 0x10]
mov dword [ecx], eax
mov eax, edi
ror eax, 8
and eax, 0xff00ff00
rol edi, 8
and edi, 0xff00ff
or eax, edi
mov dword [ecx + 4], eax
mov eax, esi
ror eax, 8
and eax, 0xff00ff00
rol esi, 8
and esi, 0xff00ff
or eax, esi
mov dword [ecx + 8], eax
mov eax, edx
ror eax, 8
rol edx, 8
and eax, 0xff00ff00
and edx, 0xff00ff
or eax, edx
pop esi
mov dword [ecx + 0xc], eax
pop ebx
pop edi
mov esp, ebp
pop ebp
ret