Function at 0x4f6304
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 0x4f6325
mov eax, dword [ebx + 0x84]
sub eax, esi
dec eax
jmp 0x4f6327
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 0x4f634d
neg ebp
cmp dword [ebx + 0xe0], 0
jne 0x4f6711
cmp dword [ebx + 0xe4], 0
jne 0x4f6711
mov eax, dword [ebx + 0xd8]
test al, 2
je 0x4f63a1
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x4f6735
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 0x4f637d
jmp 0x4f6735
test eax, 0x100
je 0x4f63e1
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x4f6735
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 0x4f63b4
jmp 0x4f6735
test al, 8
je 0x4f640d
cmp ecx, 4
jne 0x4f6735
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x4f6735
mov al, byte [ebx + 0xfc]
mov byte [edi + 3], al
add edi, ebp
dec ecx
jne 0x4f63fa
jmp 0x4f6735
test al, 0x10
je 0x4f65bc
cmp ecx, 4
jne 0x4f655e
mov eax, dword [esp + 0x20]
jmp 0x4f654d
movzx edx, byte [edi + 3]
mov ecx, dword [ebx + 0xfc]
mov dword [esp + 0x18], edx
test ecx, ecx
jne 0x4f643f
movzx eax, byte [edi + 2]
jmp 0x4f6480
test edx, edx
jne 0x4f644e
mov eax, dword [ebx + 0xf0]
cdq
idiv ecx
jmp 0x4f647c
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 0x4f6493
movzx eax, byte [edi + 1]
jmp 0x4f64d0
test edx, edx
jne 0x4f64a2
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x4f64d0
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 0x4f64e2
movzx eax, byte [edi]
jmp 0x4f6522
mov edx, dword [esp + 0x18]
test edx, edx
jne 0x4f64f5
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x4f6522
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 0x4f6427
jmp 0x4f6735
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x4f6735
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 0x4f656f
jmp 0x4f6735
test al, 0x20
je 0x4f66e8
cmp ecx, 4
jne 0x4f66e8
mov eax, dword [esp + 0x20]
jmp 0x4f66da
movzx edx, byte [edi + 3]
mov ecx, dword [ebx + 0xfc]
mov dword [esp + 0x18], edx
test ecx, ecx
jne 0x4f65ee
movzx eax, byte [edi + 2]
jmp 0x4f662f
test edx, edx
jne 0x4f65fd
mov eax, dword [ebx + 0xf0]
cdq
idiv ecx
jmp 0x4f662b
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 0x4f6642
movzx eax, byte [edi + 1]
jmp 0x4f667f
test edx, edx
jne 0x4f6651
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x4f667f
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 0x4f6691
movzx eax, byte [edi]
jmp 0x4f66d1
mov edx, dword [esp + 0x18]
test edx, edx
jne 0x4f66a4
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x4f66d1
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 0x4f65d6
jmp 0x4f6735
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x4f6735
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 0x4f66f0
jmp 0x4f6735
mov eax, dword [esp + 0x20]
mov dword [esp + 0x14], eax
test eax, eax
je 0x4f6735
push edi
push esi
push dword [esp + 0x20]
push ebx
call fcn.004f5e36
add esp, 0x10
add edi, ebp
inc esi
dec dword [esp + 0x14]
jne 0x4f671d
pop edi
pop esi
pop ebp
pop ebx
ret