Function at 0x51c6cf
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 0x51c6f0
mov eax, dword [ebx + 0x84]
sub eax, esi
dec eax
jmp 0x51c6f2
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 0x51c718
neg ebp
cmp dword [ebx + 0xe0], 0
jne 0x51cadc
cmp dword [ebx + 0xe4], 0
jne 0x51cadc
mov eax, dword [ebx + 0xd8]
test al, 2
je 0x51c76c
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x51cb00
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 0x51c748
jmp 0x51cb00
test eax, 0x100
je 0x51c7ac
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x51cb00
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 0x51c77f
jmp 0x51cb00
test al, 8
je 0x51c7d8
cmp ecx, 4
jne 0x51cb00
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x51cb00
mov al, byte [ebx + 0xfc]
mov byte [edi + 3], al
add edi, ebp
dec ecx
jne 0x51c7c5
jmp 0x51cb00
test al, 0x10
je 0x51c987
cmp ecx, 4
jne 0x51c929
mov eax, dword [esp + 0x20]
jmp 0x51c918
movzx edx, byte [edi + 3]
mov ecx, dword [ebx + 0xfc]
mov dword [esp + 0x18], edx
test ecx, ecx
jne 0x51c80a
movzx eax, byte [edi + 2]
jmp 0x51c84b
test edx, edx
jne 0x51c819
mov eax, dword [ebx + 0xf0]
cdq
idiv ecx
jmp 0x51c847
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 0x51c85e
movzx eax, byte [edi + 1]
jmp 0x51c89b
test edx, edx
jne 0x51c86d
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x51c89b
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 0x51c8ad
movzx eax, byte [edi]
jmp 0x51c8ed
mov edx, dword [esp + 0x18]
test edx, edx
jne 0x51c8c0
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x51c8ed
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 0x51c7f2
jmp 0x51cb00
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x51cb00
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 0x51c93a
jmp 0x51cb00
test al, 0x20
je 0x51cab3
cmp ecx, 4
jne 0x51cab3
mov eax, dword [esp + 0x20]
jmp 0x51caa5
movzx edx, byte [edi + 3]
mov ecx, dword [ebx + 0xfc]
mov dword [esp + 0x18], edx
test ecx, ecx
jne 0x51c9b9
movzx eax, byte [edi + 2]
jmp 0x51c9fa
test edx, edx
jne 0x51c9c8
mov eax, dword [ebx + 0xf0]
cdq
idiv ecx
jmp 0x51c9f6
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 0x51ca0d
movzx eax, byte [edi + 1]
jmp 0x51ca4a
test edx, edx
jne 0x51ca1c
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x51ca4a
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 0x51ca5c
movzx eax, byte [edi]
jmp 0x51ca9c
mov edx, dword [esp + 0x18]
test edx, edx
jne 0x51ca6f
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x51ca9c
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 0x51c9a1
jmp 0x51cb00
mov ecx, dword [esp + 0x20]
test ecx, ecx
je 0x51cb00
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 0x51cabb
jmp 0x51cb00
mov eax, dword [esp + 0x20]
mov dword [esp + 0x14], eax
test eax, eax
je 0x51cb00
push edi
push esi
push dword [esp + 0x20]
push ebx
call fcn.0051c201
add esp, 0x10
add edi, ebp
inc esi
dec dword [esp + 0x14]
jne 0x51cae8
pop edi
pop esi
pop ebp
pop ebx
ret