Function at 0x57bac7
Capabilities:
Encode data using xor

Disassembly:
push ecx
push ebx
mov ebx, dword [esp + 0xc]
push ebp
mov ebp, dword [esp + 0x1c]
push esi
cmp dword [ebx + 0xe8], 0
mov esi, dword [esp + 0x1c]
push edi
je 0x57baec
mov eax, dword [ebx + 0x84]
sub eax, esi
dec eax
jmp 0x57baee
mov eax, esi
mov ecx, dword [ebx + 0xcc]
mov edi, ecx
imul edi, eax
mov edx, ecx
mov eax, dword [ebx + 0xd4]
neg edx
imul eax, dword [esp + 0x1c]
add edi, eax
add edi, dword [ebx + 0xc8]
cmp dword [ebx + 0xe8], 0
cmove edx, ecx
cmp dword [ebx + 0xe0], 0
mov dword [esp + 0x18], edx
jne 0x57beda
cmp dword [ebx + 0xe4], 0
jne 0x57beda
mov eax, dword [ebx + 0xd8]
test al, 2
je 0x57bb70
test ebp, ebp
je 0x57bef7
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, edx
sub ebp, 1
jne 0x57bb4a
jmp 0x57bef7
test eax, 0x100
je 0x57bbae
test ebp, ebp
je 0x57bef7
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, edx
sub ebp, 1
jne 0x57bb7f
jmp 0x57bef7
test al, 8
je 0x57bbdc
cmp dword [ebx + 0xd4], 4
jne 0x57bef7
test ebp, ebp
je 0x57bef7
mov al, byte [ebx + 0xfc]
mov byte [edi + 3], al
add edi, edx
sub ebp, 1
jne 0x57bbc7
jmp 0x57bef7
test al, 0x10
je 0x57bd85
test ebp, ebp
je 0x57bef7
cmp dword [ebx + 0xd4], 4
jne 0x57bd2f
movzx edx, byte [edi + 3]
lea ecx, [edi + 2]
mov esi, dword [ebx + 0xfc]
mov dword [esp + 0x1c], edx
test esi, esi
jne 0x57bc13
movzx eax, byte [ecx]
jmp 0x57bc58
mov dword [esp + 0x10], ecx
test edx, edx
jne 0x57bc23
mov eax, dword [ebx + 0xf0]
jmp 0x57bc51
movzx eax, byte [ecx]
mov esi, dword [ebx + 0x100]
imul ecx, dword [ebx + 0xf0], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
add esi, ecx
mov ecx, dword [esp + 0x10]
cdq
idiv esi
mov edx, dword [esp + 0x1c]
mov byte [ecx], al
mov ecx, dword [ebx + 0xfc]
test ecx, ecx
jne 0x57bc6a
movzx eax, byte [edi + 1]
jmp 0x57bca7
test edx, edx
jne 0x57bc79
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x57bca7
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 0x57bcb9
movzx eax, byte [edi]
jmp 0x57bcf9
mov edx, dword [esp + 0x1c]
test edx, edx
jne 0x57bccc
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x57bcf9
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 [ebx + 0x100]
imul eax, dword [esp + 0x1c]
imul ecx, dword [ebx + 0xfc], 0xff
add eax, ecx
mov ecx, 0xff
cdq
idiv ecx
mov byte [edi + 3], al
add edi, dword [esp + 0x18]
sub ebp, 1
jne 0x57bbf9
jmp 0x57bef7
mov ecx, 0xff
movzx eax, byte [edi + 2]
imul eax, dword [ebx + 0x100]
add eax, dword [ebx + 0xf0]
cdq
idiv ecx
mov byte [edi + 2], al
movzx eax, byte [edi + 1]
imul eax, dword [ebx + 0x100]
add eax, dword [ebx + 0xf4]
cdq
idiv ecx
mov byte [edi + 1], al
movzx eax, byte [edi]
imul eax, dword [ebx + 0x100]
add eax, dword [ebx + 0xf8]
cdq
idiv ecx
mov byte [edi], al
add edi, dword [esp + 0x18]
sub ebp, 1
jne 0x57bd34
jmp 0x57bef7
test al, 0x20
je 0x57beb3
cmp dword [ebx + 0xd4], 4
jne 0x57beb3
test ebp, ebp
je 0x57bef7
movzx edx, byte [edi + 3]
lea ecx, [edi + 2]
mov esi, dword [ebx + 0xfc]
mov dword [esp + 0x1c], edx
test esi, esi
jne 0x57bdbc
movzx eax, byte [ecx]
jmp 0x57be01
mov dword [esp + 0x10], ecx
test edx, edx
jne 0x57bdcc
mov eax, dword [ebx + 0xf0]
jmp 0x57bdfa
movzx eax, byte [ecx]
mov esi, dword [ebx + 0x100]
imul ecx, dword [ebx + 0xf0], 0xff
imul eax, esi
imul esi, edx
imul eax, edx
add eax, ecx
imul ecx, dword [ebx + 0xfc], 0xff
add esi, ecx
mov ecx, dword [esp + 0x10]
cdq
idiv esi
mov edx, dword [esp + 0x1c]
mov byte [ecx], al
mov ecx, dword [ebx + 0xfc]
test ecx, ecx
jne 0x57be13
movzx eax, byte [edi + 1]
jmp 0x57be50
test edx, edx
jne 0x57be22
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x57be50
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 0x57be62
movzx eax, byte [edi]
jmp 0x57bea2
mov edx, dword [esp + 0x1c]
test edx, edx
jne 0x57be75
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x57bea2
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
add edi, dword [esp + 0x18]
sub ebp, 1
jne 0x57bda2
jmp 0x57bef7
test ebp, ebp
je 0x57bef7
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, edx
sub ebp, 1
jne 0x57beb7
jmp 0x57bef7
test ebp, ebp
je 0x57bef7
push edi
push esi
push dword [esp + 0x24]
push ebx
call fcn.0057b60c
add edi, dword [esp + 0x28]
add esp, 0x10
inc esi
sub ebp, 1
jne 0x57bede
pop edi
pop esi
pop ebp
pop ebx
pop ecx
ret