Function at 0x4c74c1
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 0x4c74e2
mov eax, dword [ebx + 0x84]
sub eax, esi
dec eax
jmp 0x4c74e4
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 0x4c750a
neg ebp
cmp dword [ebx + 0xe0], 0
jne 0x4c78ce
cmp dword [ebx + 0xe4], 0
jne 0x4c78ce
mov eax, dword [ebx + 0xd8]
test al, 2
je 0x4c755e
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x4c78f2
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 0x4c753a
jmp 0x4c78f2
test eax, 0x100
je 0x4c759e
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x4c78f2
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 0x4c7571
jmp 0x4c78f2
test al, 8
je 0x4c75ca
cmp ecx, 4
jne 0x4c78f2
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x4c78f2
mov al, byte [ebx + 0xfc]
mov byte [edi + 3], al
add edi, ebp
dec ecx
jne 0x4c75b7
jmp 0x4c78f2
test al, 0x10
je 0x4c7779
cmp ecx, 4
jne 0x4c771b
mov eax, dword [esp + 0x20]
jmp 0x4c770a
movzx edx, byte [edi + 3]
mov ecx, dword [ebx + 0xfc]
mov dword [esp + 0x18], edx
test ecx, ecx
jne 0x4c75fc
movzx eax, byte [edi + 2]
jmp 0x4c763d
test edx, edx
jne 0x4c760b
mov eax, dword [ebx + 0xf0]
cdq
idiv ecx
jmp 0x4c7639
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 0x4c7650
movzx eax, byte [edi + 1]
jmp 0x4c768d
test edx, edx
jne 0x4c765f
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x4c768d
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 0x4c769f
movzx eax, byte [edi]
jmp 0x4c76df
mov edx, dword [esp + 0x18]
test edx, edx
jne 0x4c76b2
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x4c76df
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 0x4c75e4
jmp 0x4c78f2
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x4c78f2
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 0x4c772c
jmp 0x4c78f2
test al, 0x20
je 0x4c78a5
cmp ecx, 4
jne 0x4c78a5
mov eax, dword [esp + 0x20]
jmp 0x4c7897
movzx edx, byte [edi + 3]
mov ecx, dword [ebx + 0xfc]
mov dword [esp + 0x18], edx
test ecx, ecx
jne 0x4c77ab
movzx eax, byte [edi + 2]
jmp 0x4c77ec
test edx, edx
jne 0x4c77ba
mov eax, dword [ebx + 0xf0]
cdq
idiv ecx
jmp 0x4c77e8
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 0x4c77ff
movzx eax, byte [edi + 1]
jmp 0x4c783c
test edx, edx
jne 0x4c780e
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x4c783c
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 0x4c784e
movzx eax, byte [edi]
jmp 0x4c788e
mov edx, dword [esp + 0x18]
test edx, edx
jne 0x4c7861
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x4c788e
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 0x4c7793
jmp 0x4c78f2
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x4c78f2
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 0x4c78ad
jmp 0x4c78f2
mov eax, dword [esp + 0x20]
mov dword [esp + 0x14], eax
test eax, eax
je 0x4c78f2
push edi
push esi
push dword [esp + 0x20]
push ebx
call fcn.004c6ff3
add esp, 0x10
add edi, ebp
inc esi
dec dword [esp + 0x14]
jne 0x4c78da
pop edi
pop esi
pop ebp
pop ebx
ret