Function at 0x4df854
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 - 4], ecx
mov edi, edx
mov ebx, eax
mov esi, dword [ebp + 8]
xor eax, eax
push ebp
push 0x4dfbf8
push dword fs:[eax]
mov dword fs:[eax], esp
mov edx, 1
mov eax, ebx
call fcn.004def58
test al, al
jne 0x4df8e0
lea eax, [ebp - 0x18]
push eax
lea edx, [ebp - 0x120]
mov eax, dword [ebx]
call fcn.00404224
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 [0x5133e4]
call fcn.00407508
mov eax, dword [ebp - 0x124]
xor ecx, ecx
pop edx
call fcn.0040ddc0
mov edx, dword [ebp - 0x18]
mov eax, 3
call fcn.004dede8
mov dword [ebp - 8], edi
mov eax, dword [ebp - 4]
mov dword [ebp - 0xc], eax
xor eax, eax
mov al, byte [ebx + 0x14]
cmp eax, 7
ja case.default.0x4df8f7
jmp dword [eax*4 + 0x4df8fe]
mov eax, dword [ebp - 8]
cmp eax, dword [ebp - 0xc]
je 0x4df948
mov edx, dword [ebp - 0xc]
mov eax, dword [ebp - 8]
mov ecx, esi
call fcn.0040323c
jmp 0x4df948
mov edx, dword [ebp - 0xc]
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x30]
mov eax, dword [ebx + 0x24]
add dword [ebp - 0xc], eax
sub esi, dword [ebx + 0x24]
cmp esi, dword [ebx + 0x24]
jge 0x4df935
test esi, esi
jle case.default.0x4df8f7
mov edx, dword [ebx + 0x2c]
mov eax, dword [ebp - 0xc]
mov ecx, esi
call fcn.0040323c
mov edx, dword [ebx + 0x2c]
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x2c]
mov edx, dword [ebp - 0xc]
mov eax, dword [ebx + 0x2c]
mov ecx, esi
call fcn.0040323c
jmp case.default.0x4df8f7
mov eax, dword [ebp - 8]
cmp eax, dword [ebp - 0xc]
je 0x4df993
mov edx, dword [ebp - 0xc]
mov eax, dword [ebp - 8]
mov ecx, esi
call fcn.0040323c
mov eax, dword [ebx + 0x34]
mov dword [ebp - 0x10], eax
mov eax, dword [ebx + 0x2c]
mov dword [ebp - 0x14], eax
jmp 0x4df9e9
mov eax, dword [ebp - 0x14]
push eax
mov ecx, edi
mov edx, dword [ebp - 0x10]
mov eax, dword [ebp - 0xc]
call fcn.004cf0b0
mov edx, dword [ebp - 0xc]
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x30]
mov eax, dword [ebp - 0xc]
push eax
mov ecx, dword [ebx + 0x24]
mov edx, dword [ebp - 0x10]
mov eax, dword [ebp - 0xc]
call fcn.004cf0b0
mov eax, dword [ebp - 0x14]
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0x10]
mov dword [ebp - 0x14], eax
mov eax, dword [ebp - 8]
mov dword [ebp - 0x10], eax
mov eax, dword [ebx + 0x24]
add dword [ebp - 0xc], eax
sub esi, dword [ebx + 0x24]
mov edi, dword [ebx + 0x24]
cmp esi, edi
jge 0x4df9a1
mov eax, dword [ebx + 0x34]
cmp eax, dword [ebp - 0x10]
je 0x4dfa05
mov edx, eax
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebx + 0x24]
call fcn.0040323c
test esi, esi
jle case.default.0x4df8f7
mov edx, dword [ebx + 0x2c]
mov eax, dword [ebx + 0x34]
mov ecx, dword [ebx + 0x24]
call fcn.0040323c
mov edx, dword [ebx + 0x2c]
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x2c]
mov eax, dword [ebp - 0xc]
push eax
mov ecx, esi
mov edx, dword [ebp - 0xc]
mov eax, dword [ebx + 0x2c]
call fcn.004cf0b0
mov eax, dword [ebx + 0x34]
push eax
mov ecx, dword [ebx + 0x24]
mov edx, eax
mov eax, dword [ebx + 0x2c]
call fcn.004cf0b0
jmp case.default.0x4df8f7
mov eax, dword [ebp - 8]
cmp eax, dword [ebp - 0xc]
je 0x4dfa61
mov edx, dword [ebp - 0xc]
mov eax, dword [ebp - 8]
mov ecx, esi
call fcn.0040323c
mov eax, dword [ebx + 0x34]
mov dword [ebp - 0x10], eax
mov eax, dword [ebx + 0x2c]
mov dword [ebp - 0x14], eax
jmp 0x4dfab3
mov edx, dword [ebp - 0x14]
mov eax, dword [ebp - 0xc]
mov ecx, edi
call fcn.0040323c
mov edx, dword [ebp - 0xc]
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x30]
mov eax, dword [ebp - 0xc]
push eax
mov ecx, dword [ebx + 0x24]
mov edx, dword [ebp - 0xc]
mov eax, dword [ebp - 0x10]
call fcn.004cf0b0
mov eax, dword [ebp - 0x14]
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0x10]
mov dword [ebp - 0x14], eax
mov eax, dword [ebp - 8]
mov dword [ebp - 0x10], eax
mov eax, dword [ebx + 0x24]
add dword [ebp - 0xc], eax
sub esi, dword [ebx + 0x24]
mov edi, dword [ebx + 0x24]
cmp esi, edi
jge 0x4dfa6f
mov eax, dword [ebx + 0x34]
cmp eax, dword [ebp - 0x10]
je 0x4dfacf
mov edx, eax
mov eax, dword [ebp - 0x10]
mov ecx, dword [ebx + 0x24]
call fcn.0040323c
test esi, esi
jle case.default.0x4df8f7
mov edx, dword [ebx + 0x2c]
mov eax, dword [ebx + 0x34]
mov ecx, dword [ebx + 0x24]
call fcn.0040323c
mov edx, dword [ebx + 0x2c]
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x2c]
mov eax, dword [ebp - 0xc]
push eax
mov ecx, esi
mov edx, dword [ebx + 0x2c]
mov eax, dword [ebp - 0xc]
call fcn.004cf0b0
mov eax, dword [ebx + 0x34]
push eax
mov ecx, dword [ebx + 0x24]
mov edx, eax
mov eax, dword [ebx + 0x2c]
call fcn.004cf0b0
jmp case.default.0x4df8f7
test esi, esi
jle case.default.0x4df8f7
mov edx, dword [ebx + 0x2c]
mov eax, dword [ebx + 0x34]
mov ecx, dword [ebx + 0x24]
call fcn.0040323c
mov edx, dword [ebx + 0x2c]
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x2c]
mov ecx, dword [ebx + 0x24]
dec ecx
mov edi, dword [ebx + 0x34]
mov edx, edi
lea eax, [edi + 1]
call fcn.0040323c
mov eax, dword [ebx + 0x34]
mov edx, dword [ebx + 0x24]
mov ecx, dword [ebp - 8]
mov cl, byte [ecx]
mov byte [eax + edx - 1], cl
mov eax, dword [ebp - 8]
mov al, byte [eax]
mov edx, dword [ebx + 0x2c]
xor al, byte [edx]
mov edx, dword [ebp - 0xc]
mov byte [edx], al
inc dword [ebp - 0xc]
inc dword [ebp - 8]
dec esi
test esi, esi
jg 0x4dfb1e
jmp case.default.0x4df8f7
test esi, esi
jle case.default.0x4df8f7
mov edx, dword [ebx + 0x2c]
mov eax, dword [ebx + 0x34]
mov ecx, dword [ebx + 0x24]
call fcn.0040323c
mov edx, dword [ebx + 0x2c]
mov eax, ebx
mov ecx, dword [eax]
call dword [ecx + 0x2c]
mov eax, dword [ebp - 8]
mov al, byte [eax]
mov edx, dword [ebx + 0x2c]
xor al, byte [edx]
mov edx, dword [ebp - 0xc]
mov byte [edx], al
mov ecx, dword [ebx + 0x24]
dec ecx
mov edi, dword [ebx + 0x34]
mov edx, edi
lea eax, [edi + 1]
call fcn.0040323c
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 dword [ebp - 0xc]
inc dword [ebp - 8]
dec esi
test esi, esi
jg 0x4dfb76
jmp case.default.0x4df8f7
push esi
mov ecx, dword [ebp - 4]
mov edx, edi
mov eax, ebx
call fcn.004df3f8
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4dfbff
lea eax, [ebp - 0x124]
call fcn.00405124
lea eax, [ebp - 0x18]
call fcn.00405124
ret