Function at 0x51b79d
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, dword [esp + 8]
push ebp
mov ebp, dword [esp + 0x18]
push esi
cmp dword [ebx + 0xe8], 0
mov esi, dword [esp + 0x18]
push edi
je 0x51b7c1
mov eax, dword [ebx + 0x84]
sub eax, esi
dec eax
jmp 0x51b7c3
mov eax, esi
mov edi, dword [ebx + 0xcc]
mov edx, dword [ebx + 0xd4]
mov ecx, dword [esp + 0x18]
imul edi, eax
mov eax, edx
imul eax, ecx
add edi, eax
add edi, dword [ebx + 0xc8]
cmp dword [ebx + 0xe0], 0
jne 0x51bbf0
cmp dword [ebx + 0xe4], 0
jne 0x51bbf0
mov eax, dword [ebx + 0xd8]
test al, 2
je 0x51b839
test ebp, ebp
je 0x51bc14
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, dword [ebx + 0xd4]
sub ebp, 1
jne 0x51b80f
jmp 0x51bc14
test eax, 0x100
je 0x51b878
test ebp, ebp
je 0x51bc14
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
lea edi, [edi + 4]
mov al, byte [ebx + 0xfc]
mov byte [edi - 1], al
sub ebp, 1
jne 0x51b848
jmp 0x51bc14
test al, 8
je 0x51b8a5
cmp edx, 4
jne 0x51bc14
test ebp, ebp
je 0x51bc14
add edi, 3
mov al, byte [ebx + 0xfc]
mov byte [edi], al
lea edi, [edi + 4]
sub ebp, 1
jne 0x51b890
jmp 0x51bc14
test al, 0x10
je 0x51ba48
test ebp, ebp
je 0x51bc14
cmp edx, 4
jne 0x51b9f3
movzx edx, byte [edi + 3]
lea ecx, [edi + 2]
mov esi, dword [ebx + 0xfc]
mov dword [esp + 0x18], edx
test esi, esi
jne 0x51b8d8
movzx eax, byte [ecx]
jmp 0x51b91d
mov dword [esp + 0x14], ecx
test edx, edx
jne 0x51b8e8
mov eax, dword [ebx + 0xf0]
jmp 0x51b916
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 + 0x14]
cdq
idiv esi
mov edx, dword [esp + 0x18]
mov byte [ecx], al
mov ecx, dword [ebx + 0xfc]
test ecx, ecx
jne 0x51b92f
movzx eax, byte [edi + 1]
jmp 0x51b96c
test edx, edx
jne 0x51b93e
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x51b96c
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 0x51b97e
movzx eax, byte [edi]
jmp 0x51b9be
mov edx, dword [esp + 0x18]
test edx, edx
jne 0x51b991
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x51b9be
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 + 0x18]
imul ecx, dword [ebx + 0xfc], 0xff
add eax, ecx
mov ecx, 0xff
cdq
idiv ecx
mov byte [edi + 3], al
add edi, 4
sub ebp, 1
jne 0x51b8be
jmp 0x51bc14
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
lea edi, [edi + 3]
sub ebp, 1
jne 0x51b9f8
jmp 0x51bc14
and eax, 0x20
test ebp, ebp
je 0x51bc14
test eax, eax
je 0x51bbc9
cmp edx, 4
jne 0x51bb77
movzx edx, byte [edi + 3]
lea ecx, [edi + 2]
mov esi, dword [ebx + 0xfc]
mov dword [esp + 0x18], edx
test esi, esi
jne 0x51ba7e
movzx eax, byte [ecx]
jmp 0x51bac3
mov dword [esp + 0x14], ecx
test edx, edx
jne 0x51ba8e
mov eax, dword [ebx + 0xf0]
jmp 0x51babc
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 + 0x14]
cdq
idiv esi
mov edx, dword [esp + 0x18]
mov byte [ecx], al
mov ecx, dword [ebx + 0xfc]
test ecx, ecx
jne 0x51bad5
movzx eax, byte [edi + 1]
jmp 0x51bb12
test edx, edx
jne 0x51bae4
mov eax, dword [ebx + 0xf4]
cdq
idiv ecx
jmp 0x51bb12
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 0x51bb24
movzx eax, byte [edi]
jmp 0x51bb64
mov edx, dword [esp + 0x18]
test edx, edx
jne 0x51bb37
mov eax, dword [ebx + 0xf8]
cdq
idiv ecx
jmp 0x51bb64
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, 4
sub ebp, 1
jne 0x51ba64
jmp 0x51bc14
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
lea edi, [edi + 3]
sub ebp, 1
jne 0x51bb7c
jmp 0x51bc14
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, dword [ebx + 0xd4]
sub ebp, 1
jne 0x51bbc9
jmp 0x51bc14
test ebp, ebp
je 0x51bc14
push edi
push esi
push ecx
push ebx
call fcn.0051b2e2
mov ecx, dword [esp + 0x28]
add esp, 0x10
add edi, dword [ebx + 0xd4]
inc ecx
mov dword [esp + 0x18], ecx
sub ebp, 1
jne 0x51bbf4
pop edi
pop esi
pop ebp
pop ebx
ret