Function at 0x508067
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 8]
push ebp
push esi
mov esi, dword [esp + 0x18]
mov edx, dword [ebx + 0xe8]
push edi
test edx, edx
je 0x508088
mov eax, dword [ebx + 0x84]
sub eax, esi
dec eax
jmp 0x50808a
mov eax, esi
mov ebp, dword [ebx + 0xcc]
mov edi, ebp
mov ecx, dword [ebx + 0xd4]
imul edi, eax
mov eax, ecx
imul eax, dword [esp + 0x18]
add edi, eax
add edi, dword [ebx + 0xc8]
test edx, edx
je 0x5080b0
neg ebp
cmp dword [ebx + 0xe0], 0
jne 0x508474
cmp dword [ebx + 0xe4], 0
jne 0x508474
mov eax, dword [ebx + 0xd8]
test al, 2
je 0x508104
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x508498
mov al, byte [ebx + 0xf0]
xor byte [edi + 2], al
mov al, byte [ebx + 0xf4]
xor byte [edi + 1], al
mov al, byte [ebx + 0xf8]
xor byte [edi], al
add edi, ebp
dec ecx
jne 0x5080e0
jmp 0x508498
test eax, 0x100
je 0x508144
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x508498
mov al, byte [ebx + 0xf0]
mov byte [edi + 2], al
mov al, byte [ebx + 0xf4]
mov byte [edi + 1], al
mov al, byte [ebx + 0xf8]
mov byte [edi], al
mov al, byte [ebx + 0xfc]
mov byte [edi + 3], al
add edi, ebp
dec ecx
jne 0x508117
jmp 0x508498
test al, 8
je 0x508170
cmp ecx, 4
jne 0x508498
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x508498
mov al, byte [ebx + 0xfc]
mov byte [edi + 3], al
add edi, ebp
dec ecx
jne 0x50815d
jmp 0x508498
test al, 0x10
je 0x50831f
cmp ecx, 4
jne 0x5082c1
mov eax, dword [esp + 0x20]
jmp 0x5082b0
movzx edx, byte [edi + 3]
mov ecx, dword [ebx + 0xfc]
mov dword [esp + 0x18], edx
test ecx, ecx
jne 0x5081a2
movzx eax, byte [edi + 2]
jmp 0x5081e3
test edx, edx
jne 0x5081b1
mov eax, dword [ebx + 0xf0]
cdq
idiv ecx
jmp 0x5081df
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi + 2]
imul ecx, dword [ebx + 0xf0], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov edx, dword [esp + 0x18]
mov byte [edi + 2], al
mov ecx, dword [ebx + 0xfc]
test ecx, ecx
jne 0x5081f6
movzx eax, byte [edi + 1]
jmp 0x508233
test edx, edx
jne 0x508205
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x508233
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi + 1]
imul ecx, dword [ebx + 0xf4], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov byte [edi + 1], al
mov ecx, dword [ebx + 0xfc]
test ecx, ecx
jne 0x508245
movzx eax, byte [edi]
jmp 0x508285
mov edx, dword [esp + 0x18]
test edx, edx
jne 0x508258
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x508285
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi]
imul ecx, dword [ebx + 0xf8], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov byte [edi], al
imul ecx, dword [ebx + 0xfc], 0xff
mov eax, dword [ebx + 0x100]
imul eax, dword [esp + 0x18]
add eax, ecx
mov ecx, 0xff
cdq
idiv ecx
mov byte [edi + 3], al
mov eax, dword [esp + 0x14]
dec eax
add edi, ebp
mov dword [esp + 0x14], eax
test eax, eax
jne 0x50818a
jmp 0x508498
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x508498
mov esi, 0xff
movzx eax, byte [edi + 2]
imul eax, dword [ebx + 0x100]
add eax, dword [ebx + 0xf0]
cdq
idiv esi
mov byte [edi + 2], al
movzx eax, byte [edi + 1]
imul eax, dword [ebx + 0x100]
add eax, dword [ebx + 0xf4]
cdq
idiv esi
mov byte [edi + 1], al
movzx eax, byte [edi]
imul eax, dword [ebx + 0x100]
add eax, dword [ebx + 0xf8]
cdq
idiv esi
mov byte [edi], al
add edi, ebp
dec ecx
jne 0x5082d2
jmp 0x508498
test al, 0x20
je 0x50844b
cmp ecx, 4
jne 0x50844b
mov eax, dword [esp + 0x20]
jmp 0x50843d
movzx edx, byte [edi + 3]
mov ecx, dword [ebx + 0xfc]
mov dword [esp + 0x18], edx
test ecx, ecx
jne 0x508351
movzx eax, byte [edi + 2]
jmp 0x508392
test edx, edx
jne 0x508360
mov eax, dword [ebx + 0xf0]
cdq
idiv ecx
jmp 0x50838e
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi + 2]
imul ecx, dword [ebx + 0xf0], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov edx, dword [esp + 0x18]
mov byte [edi + 2], al
mov ecx, dword [ebx + 0xfc]
test ecx, ecx
jne 0x5083a5
movzx eax, byte [edi + 1]
jmp 0x5083e2
test edx, edx
jne 0x5083b4
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x5083e2
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi + 1]
imul ecx, dword [ebx + 0xf4], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov byte [edi + 1], al
mov ecx, dword [ebx + 0xfc]
test ecx, ecx
jne 0x5083f4
movzx eax, byte [edi]
jmp 0x508434
mov edx, dword [esp + 0x18]
test edx, edx
jne 0x508407
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x508434
mov esi, dword [ebx + 0x100]
movzx eax, byte [edi]
imul ecx, dword [ebx + 0xf8], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
cdq
add esi, ecx
idiv esi
mov byte [edi], al
mov eax, dword [esp + 0x14]
dec eax
add edi, ebp
mov dword [esp + 0x14], eax
test eax, eax
jne 0x508339
jmp 0x508498
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x508498
mov al, byte [ebx + 0xf0]
mov byte [edi + 2], al
mov al, byte [ebx + 0xf4]
mov byte [edi + 1], al
mov al, byte [ebx + 0xf8]
mov byte [edi], al
add edi, ebp
dec ecx
jne 0x508453
jmp 0x508498
mov eax, dword [esp + 0x20]
mov dword [esp + 0x14], eax
test eax, eax
je 0x508498
push edi
push esi
push dword [esp + 0x20]
push ebx
call fcn.00507b99
add esp, 0x10
add edi, ebp
inc esi
dec dword [esp + 0x14]
jne 0x508480
pop edi
pop esi
pop ebp
pop ebx
ret