Function at 0x648b4c
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
sub esp, 0x174
mov eax, dword [ebp + 8]
xor ecx, ecx
mov dword [0x667818], 0x243f
mov edx, ecx
mov dword [ebp - 0x130], eax
mov dword [ebp - 0x134], edx
mov dword [ebp - 0x138], ecx
jmp 0x648c53
lea eax, [0x64a60a]
mov ecx, 0x20
lea edx, [ebp - 0x12c]
mov esi, dword [ebp - 0x13c]
add esi, 0xadc81
mov edi, dword [0x667814]
mov ebx, dword [ebp - 0x13c]
add ebx, 0x90a94
mov dword [0x667818], 0x1c6e
add edi, 0xfffff1be
mov dword [0x667814], edi
mov dword [esp], edx
mov dword [esp + 4], eax
mov dword [esp + 8], 0x20
mov dword [ebp - 0x140], ebx
mov dword [ebp - 0x144], ecx
mov dword [ebp - 0x148], edx
mov dword [ebp - 0x14c], esi
call fcn.006488dd
mov eax, dword [ebp - 0x148]
mov dword [esp], eax
mov ecx, dword [ebp - 0x13c]
mov dword [esp + 4], ecx
mov dword [esp + 8], ecx
mov edx, dword [ebp - 0x150]
mov dword [esp + 0xc], edx
call fcn.00649652
xor eax, eax
mov ecx, dword [ebp - 0x130]
mov edx, dword [ebp - 0x14c]
mov dword [ecx], edx
mov dword [ecx + 4], 0x146a00
mov edx, dword [ebp - 0x140]
mov dword [ecx + 8], edx
mov dword [ecx + 0xc], 0x20d0
mov dword [0x667814], 0x1087
add esp, 0x174
pop esi
pop edi
pop ebx
pop ebp
ret
mov eax, dword [ebp - 0x138]
mov ecx, dword [ebp - 0x134]
lea edx, section..data
imul esi, ecx, 0xd4
mov edi, edx
add edi, esi
add edi, 0x18
imul esi, ecx, 0xd4
add edx, esi
add edx, 4
add ecx, 1
mov esi, dword [edi]
movzx edx, word [edx]
xor edx, esi
add edx, eax
cmp ecx, 0x200
mov eax, edx
mov dword [ebp - 0x150], edx
mov dword [ebp - 0x134], ecx
mov dword [ebp - 0x138], eax
jne 0x648c53
xor eax, eax
mov dword [0x667814], 0x1eed
mov dword [ebp - 0x154], eax
mov eax, dword [ebp - 0x154]
mov ecx, eax
add ecx, 1
mov dl, byte [eax + 0x64a62b]
mov dh, byte [eax + 0x64a5fc]
sub dh, dl
mov byte [ebp + eax - 0x2c], dh
cmp ecx, 0xe
mov dword [ebp - 0x154], ecx
jne 0x648cc0
lea eax, [ebp - 0x2c]
mov dword [0x667814], 0x2037
mov dword [0x667818], 0x1698
mov dword [ebp - 0x158], eax
call fcn.00649079
mov dword [esp], eax
mov eax, dword [ebp - 0x158]
mov dword [esp + 4], eax
call fcn.00648734
mov ecx, eax
mov dword [0x667834], eax
mov eax, esp
mov edx, dword [ebp - 0x150]
mov dword [eax + 4], edx
mov dword [eax + 0xc], 4
mov dword [eax + 8], 0x1000
mov dword [eax], 0
call ecx
sub esp, 0x10
xor ecx, ecx
mov edx, dword [0x667814]
add edx, 0xc28
mov dword [0x667814], edx
mov edx, ecx
mov dword [ebp - 0x13c], eax
mov dword [ebp - 0x15c], edx
mov dword [ebp - 0x160], ecx
mov eax, dword [ebp - 0x160]
mov ecx, dword [ebp - 0x15c]
lea edx, section..data
mov esi, ecx
add esi, 1
imul edi, ecx, 0xd4
mov ebx, edx
add ebx, edi
add ebx, 0x18
imul edi, ecx, 0xd4
mov dword [ebp - 0x164], eax
mov eax, edx
add eax, edi
mov edi, dword [ebp - 0x13c]
mov dword [ebp - 0x168], eax
mov eax, dword [ebp - 0x164]
add edi, eax
imul ecx, ecx, 0xd4
add edx, ecx
add edx, 4
mov ecx, dword [ebx]
mov ebx, dword [ebp - 0x168]
mov eax, dword [ebx]
movzx edx, word [edx]
xor edx, ecx
mov dword [esp], edi
mov dword [esp + 4], eax
mov dword [esp + 8], edx
mov dword [ebp - 0x16c], esi
mov dword [ebp - 0x170], edx
call fcn.00649399
mov eax, dword [ebp - 0x170]
mov ecx, dword [ebp - 0x164]
add eax, ecx
mov edx, dword [ebp - 0x16c]
cmp edx, 0x200
mov dword [ebp - 0x15c], edx
mov dword [ebp - 0x160], eax
je 0x648b80
jmp 0x648d77