Function at 0x4d50c0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffedc
push ebx
push esi
push edi
xor ebx, ebx
mov dword [ebp - 0x18], ebx
mov dword [ebp - 0x124], ebx
mov dword [ebp - 8], ecx
mov dword [ebp - 4], edx
mov ebx, eax
mov edi, dword [ebp + 8]
xor eax, eax
push ebp
push 0x4d542e
push dword fs:[eax]
mov dword fs:[eax], esp
mov edx, 1
mov eax, ebx
call fcn.004d49ac
test al, al
jne 0x4d514d
lea eax, [ebp - 0x18]
push eax
lea edx, [ebp - 0x120]
mov eax, dword [ebx]
call fcn.004033c0
lea eax, [ebp - 0x120]
mov dword [ebp - 0x20], eax
mov byte [ebp - 0x1c], 4
lea eax, [ebp - 0x20]
push eax
lea edx, [ebp - 0x124]
mov eax, dword [0x4f785c]
call fcn.004062d0
mov eax, dword [ebp - 0x124]
xor ecx, ecx
pop edx
call fcn.0040995c
mov edx, dword [ebp - 0x18]
mov eax, 3
call fcn.004d483c
mov eax, dword [ebp - 4]
mov dword [ebp - 0xc], eax
mov esi, dword [ebp - 8]
xor eax, eax
mov al, byte [ebx + 0x14]
cmp eax, 7
ja case.default.0x4d5164
jmp dword [eax*4 + 0x4d516b]
cmp esi, dword [ebp - 0xc]
je 0x4d51ae
mov edx, esi
mov eax, dword [ebp - 0xc]
mov ecx, edi
call fcn.004029dc
jmp 0x4d51ae
mov edx, esi
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x30]
mov eax, dword [ebx + 0x24]
add esi, eax
sub edi, eax
cmp edi, dword [ebx + 0x24]
jge 0x4d519e
test edi, edi
jle case.default.0x4d5164
mov edx, dword [ebx + 0x2c]
mov eax, esi
mov ecx, edi
call fcn.004029dc
mov edx, dword [ebx + 0x2c]
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x2c]
mov edx, esi
mov eax, dword [ebx + 0x2c]
mov ecx, edi
call fcn.004029dc
jmp case.default.0x4d5164
cmp esi, dword [ebp - 0xc]
je 0x4d51f3
mov edx, esi
mov eax, dword [ebp - 0xc]
mov ecx, edi
call fcn.004029dc
mov eax, dword [ebx + 0x34]
mov dword [ebp - 0x10], eax
mov eax, dword [ebx + 0x2c]
mov dword [ebp - 0x14], eax
jmp 0x4d5241
mov edx, dword [ebp - 0x14]
push edx
mov ecx, eax
mov edx, dword [ebp - 0x10]
mov eax, esi
call fcn.004c4c14
mov edx, esi
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x30]
push esi
mov ecx, dword [ebx + 0x24]
mov edx, dword [ebp - 0x10]
mov eax, esi
call fcn.004c4c14
mov eax, dword [ebp - 0x14]
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0x10]
mov dword [ebp - 0x14], eax
mov eax, dword [ebp - 0xc]
mov dword [ebp - 0x10], eax
mov eax, dword [ebx + 0x24]
add esi, eax
sub edi, eax
mov eax, dword [ebx + 0x24]
cmp edi, eax
jge 0x4d5201
mov eax, dword [ebx + 0x34]
cmp eax, dword [ebp - 0x10]
je 0x4d525d
mov edx, eax
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebx + 0x24]
call fcn.004029dc
test edi, edi
jle case.default.0x4d5164
mov edx, dword [ebx + 0x2c]
mov eax, dword [ebx + 0x34]
mov ecx, dword [ebx + 0x24]
call fcn.004029dc
mov edx, dword [ebx + 0x2c]
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x2c]
push esi
mov ecx, edi
mov edx, esi
mov eax, dword [ebx + 0x2c]
call fcn.004c4c14
mov eax, dword [ebx + 0x34]
push eax
mov ecx, dword [ebx + 0x24]
mov edx, eax
mov eax, dword [ebx + 0x2c]
call fcn.004c4c14
jmp case.default.0x4d5164
cmp esi, dword [ebp - 0xc]
je 0x4d52b1
mov edx, esi
mov eax, dword [ebp - 0xc]
mov ecx, edi
call fcn.004029dc
mov eax, dword [ebx + 0x34]
mov dword [ebp - 0x10], eax
mov eax, dword [ebx + 0x2c]
mov dword [ebp - 0x14], eax
jmp 0x4d52fa
mov edx, dword [ebp - 0x14]
mov ecx, esi
xchg ecx, eax
call fcn.004029dc
mov edx, esi
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x30]
push esi
mov ecx, dword [ebx + 0x24]
mov edx, esi
mov eax, dword [ebp - 0x10]
call fcn.004c4c14
mov eax, dword [ebp - 0x14]
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0x10]
mov dword [ebp - 0x14], eax
mov eax, dword [ebp - 0xc]
mov dword [ebp - 0x10], eax
mov eax, dword [ebx + 0x24]
add esi, eax
sub edi, eax
mov eax, dword [ebx + 0x24]
cmp edi, eax
jge 0x4d52bf
mov eax, dword [ebx + 0x34]
cmp eax, dword [ebp - 0x10]
je 0x4d5316
mov edx, eax
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebx + 0x24]
call fcn.004029dc
test edi, edi
jle case.default.0x4d5164
mov edx, dword [ebx + 0x2c]
mov eax, dword [ebx + 0x34]
mov ecx, dword [ebx + 0x24]
call fcn.004029dc
mov edx, dword [ebx + 0x2c]
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x2c]
push esi
mov ecx, edi
mov edx, dword [ebx + 0x2c]
mov eax, esi
call fcn.004c4c14
mov eax, dword [ebx + 0x34]
push eax
mov ecx, dword [ebx + 0x24]
mov edx, eax
mov eax, dword [ebx + 0x2c]
call fcn.004c4c14
jmp case.default.0x4d5164
test edi, edi
jle case.default.0x4d5164
mov edx, dword [ebx + 0x2c]
mov eax, dword [ebx + 0x34]
mov ecx, dword [ebx + 0x24]
call fcn.004029dc
mov edx, dword [ebx + 0x2c]
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x2c]
mov ecx, dword [ebx + 0x24]
dec ecx
mov eax, dword [ebx + 0x34]
push eax
inc eax
pop edx
call fcn.004029dc
mov eax, dword [ebx + 0x34]
mov edx, dword [ebx + 0x24]
mov ecx, dword [ebp - 0xc]
mov cl, byte [ecx]
mov byte [eax + edx - 1], cl
mov eax, dword [ebp - 0xc]
mov al, byte [eax]
mov edx, dword [ebx + 0x2c]
xor al, byte [edx]
mov byte [esi], al
inc esi
inc dword [ebp - 0xc]
dec edi
test edi, edi
jg 0x4d5361
jmp case.default.0x4d5164
test edi, edi
jle case.default.0x4d5164
mov edx, dword [ebx + 0x2c]
mov eax, dword [ebx + 0x34]
mov ecx, dword [ebx + 0x24]
call fcn.004029dc
mov edx, dword [ebx + 0x2c]
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x2c]
mov eax, dword [ebp - 0xc]
mov al, byte [eax]
mov edx, dword [ebx + 0x2c]
xor al, byte [edx]
mov byte [esi], al
mov ecx, dword [ebx + 0x24]
dec ecx
mov eax, dword [ebx + 0x34]
push eax
inc eax
pop edx
call fcn.004029dc
mov eax, dword [ebx + 0x34]
mov edx, dword [ebx + 0x24]
mov ecx, dword [ebx + 0x2c]
mov cl, byte [ecx]
mov byte [eax + edx - 1], cl
inc esi
inc dword [ebp - 0xc]
dec edi
test edi, edi
jg 0x4d53b2
jmp case.default.0x4d5164
push edi
mov ecx, dword [ebp - 8]
mov edx, dword [ebp - 4]
mov eax, ebx
call fcn.004d4cac
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4d5435
lea eax, [ebp - 0x124]
call fcn.004041c0
lea eax, [ebp - 0x18]
call fcn.004041c0
ret