Function at 0x520a3b
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 0x520a5c
mov eax, dword [ebx + 0x84]
sub eax, esi
dec eax
jmp 0x520a5e
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 0x520a84
neg ebp
cmp dword [ebx + 0xe0], 0
jne 0x520e48
cmp dword [ebx + 0xe4], 0
jne 0x520e48
mov eax, dword [ebx + 0xd8]
test al, 2
je 0x520ad8
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x520e6c
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 0x520ab4
jmp 0x520e6c
test eax, 0x100
je 0x520b18
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x520e6c
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 0x520aeb
jmp 0x520e6c
test al, 8
je 0x520b44
cmp ecx, 4
jne 0x520e6c
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x520e6c
mov al, byte [ebx + 0xfc]
mov byte [edi + 3], al
add edi, ebp
dec ecx
jne 0x520b31
jmp 0x520e6c
test al, 0x10
je 0x520cf3
cmp ecx, 4
jne 0x520c95
mov eax, dword [esp + 0x20]
jmp 0x520c84
movzx edx, byte [edi + 3]
mov ecx, dword [ebx + 0xfc]
mov dword [esp + 0x18], edx
test ecx, ecx
jne 0x520b76
movzx eax, byte [edi + 2]
jmp 0x520bb7
test edx, edx
jne 0x520b85
mov eax, dword [ebx + 0xf0]
cdq
idiv ecx
jmp 0x520bb3
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 0x520bca
movzx eax, byte [edi + 1]
jmp 0x520c07
test edx, edx
jne 0x520bd9
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x520c07
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 0x520c19
movzx eax, byte [edi]
jmp 0x520c59
mov edx, dword [esp + 0x18]
test edx, edx
jne 0x520c2c
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x520c59
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 0x520b5e
jmp 0x520e6c
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x520e6c
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 0x520ca6
jmp 0x520e6c
test al, 0x20
je 0x520e1f
cmp ecx, 4
jne 0x520e1f
mov eax, dword [esp + 0x20]
jmp 0x520e11
movzx edx, byte [edi + 3]
mov ecx, dword [ebx + 0xfc]
mov dword [esp + 0x18], edx
test ecx, ecx
jne 0x520d25
movzx eax, byte [edi + 2]
jmp 0x520d66
test edx, edx
jne 0x520d34
mov eax, dword [ebx + 0xf0]
cdq
idiv ecx
jmp 0x520d62
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 0x520d79
movzx eax, byte [edi + 1]
jmp 0x520db6
test edx, edx
jne 0x520d88
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x520db6
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 0x520dc8
movzx eax, byte [edi]
jmp 0x520e08
mov edx, dword [esp + 0x18]
test edx, edx
jne 0x520ddb
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x520e08
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 0x520d0d
jmp 0x520e6c
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x520e6c
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 0x520e27
jmp 0x520e6c
mov eax, dword [esp + 0x20]
mov dword [esp + 0x14], eax
test eax, eax
je 0x520e6c
push edi
push esi
push dword [esp + 0x20]
push ebx
call fcn.0052056d
add esp, 0x10
add edi, ebp
inc esi
dec dword [esp + 0x14]
jne 0x520e54
pop edi
pop esi
pop ebp
pop ebx
ret