Function at 0x43d400
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x641a03
mov eax, dword fs:[0]
push eax
sub esp, 0xf4
mov eax, dword [0x6f1114]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, ecx
mov dword [ebp - 0xf8], esi
mov eax, dword [ebp + 8]
mov edx, dword [esi + 0x118]
sub edx, dword [esi + 0x114]
mov edi, dword [ebp + 0xc]
mov dword [ebp - 0xf4], eax
mov eax, 0x30c30c31
imul edx
mov dword [ebp - 0xfc], edi
sar edx, 4
mov eax, edx
shr eax, 0x1f
add eax, edx
je 0x43d732
xor ebx, ebx
lea eax, [ebp - 0xd8]
push 0xb8
push ebx
push eax
mov dword [ebp - 0xe8], ebx
call fcn.004b95f0
add esp, 8
lea ecx, [ebp - 0xd8]
call fcn.0043ebb0
push ecx
push 0x21
lea eax, [esi + 4]
mov dword [ebp - 4], ebx
push eax
lea ecx, [ebp - 0xc8]
call fcn.00405b30
test eax, eax
lea ecx, [ebp - 0xd8]
mov eax, dword [ebp - 0xd8]
push ebx
mov eax, dword [eax + 4]
jne 0x43d4d2
add ecx, eax
xor eax, eax
cmp dword [ecx + 0x38], eax
sete al
lea eax, [eax*4 + 2]
or eax, dword [ecx + 0xc]
jmp 0x43d4e1
add ecx, eax
xor edx, edx
mov eax, 4
cmp dword [ecx + 0x38], edx
cmovne eax, edx
push eax
call fcn.004031c0
cmp dword [ebp - 0x7c], 0
je 0x43d6bd
mov ebx, dword [esi + 0x114]
mov eax, dword [esi + 0x118]
mov dword [ebp - 0xe0], ebx
mov dword [ebp - 0xf0], eax
cmp ebx, eax
je 0x43d6ac
lea eax, [ebx + 0x14]
push eax
push dword [ebp - 0xf4]
call dword [sym.imp.KERNEL32.dll_lstrcmpiA]
test eax, eax
jne 0x43d697
push eax
mov eax, dword [ebx + 8]
lea ecx, [ebp - 0xd8]
cdq
push edx
push eax
call fcn.00440140
push ecx
lea eax, [ebp - 0xd9]
mov dword [ebp - 0x14], 0
push eax
push dword [ebx + 0xc]
xorps xmm0, xmm0
mov byte [ebp - 0xd9], 0
lea ecx, [ebp - 0x1c]
movq qword [ebp - 0x1c], xmm0
call fcn.0043e9d0
mov byte [ebp - 4], 1
lea ecx, [ebp - 0xd8]
mov esi, dword [ebp - 0x18]
mov ebx, dword [ebp - 0x1c]
sub esi, ebx
push 0
push esi
push ebx
mov dword [ebp - 0xe4], esi
call fcn.00404f80
mov eax, dword [ebp - 0xd8]
mov eax, dword [eax + 4]
cmp dword [ebp + eax - 0xcc], 0
jne 0x43d750
mov eax, dword [ebp - 0xf8]
sub esp, 0xc
add eax, 0x108
mov ecx, esp
push eax
call fcn.004181d0
mov edx, esi
mov ecx, ebx
call fcn.00409170
mov edx, dword [ebp - 0x18]
xor esi, esi
mov ecx, dword [ebp - 0xe4]
add esp, 0xc
or eax, 0xffffffff
cmp ebx, edx
cmova ecx, esi
test ecx, ecx
je 0x43d603
mov edx, ebx
mov edi, ecx
nop dword [eax]
movzx ecx, byte [edx]
lea edx, [edx + 1]
xor ecx, eax
inc esi
movzx ecx, cl
shr eax, 8
xor eax, dword [ecx*4 + 0x6d71b0]
cmp esi, edi
jb 0x43d5e0
mov edi, dword [ebp - 0xfc]
mov edx, dword [ebp - 0x18]
mov ecx, dword [ebp - 0xe0]
not eax
cmp dword [ecx + 0x10], eax
jne 0x43d647
mov eax, dword [edi]
mov esi, ebx
mov dword [ebp - 0xe8], 1
mov dword [edi + 4], eax
cmp esi, edx
je 0x43d647
mov ecx, dword [edi + 4]
cmp dword [edi + 8], ecx
je 0x43d636
mov al, byte [esi]
mov byte [ecx], al
inc dword [edi + 4]
jmp 0x43d642
push esi
push ecx
mov ecx, edi
call fcn.0043ef90
mov edx, dword [ebp - 0x18]
inc esi
cmp esi, edx
jne 0x43d625
mov byte [ebp - 4], 0
test ebx, ebx
je 0x43d691
mov ecx, dword [ebp - 0x14]
mov eax, ebx
sub ecx, ebx
cmp ecx, 0x1000
jb 0x43d672
mov ebx, dword [ebx - 4]
add ecx, 0x23
sub eax, ebx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x43d793
push ecx
push ebx
call fcn.004a14d7
add esp, 8
mov dword [ebp - 0x1c], 0
mov dword [ebp - 0x18], 0
mov dword [ebp - 0x14], 0
mov ebx, dword [ebp - 0xe0]
add ebx, 0x54
mov dword [ebp - 0xe0], ebx
cmp ebx, dword [ebp - 0xf0]
jne 0x43d511
lea ecx, [ebp - 0xd8]
call fcn.00404330
mov ebx, dword [ebp - 0xe8]
mov eax, dword [ebp - 0xd8]
mov eax, dword [eax + 4]
mov dword [ebp + eax - 0xd8], vtable.std::basic_ifstream_char__struct_std::char_traits_char__.0
mov eax, dword [ebp - 0xd8]
mov ecx, dword [eax + 4]
lea eax, [ecx - 0x70]
mov dword [ebp + ecx - 0xdc], eax
lea ecx, [ebp - 0xc8]
call fcn.00404eb0
mov eax, dword [ebp - 0xd8]
mov eax, dword [eax + 4]
mov dword [ebp + eax - 0xd8], vtable.std::basic_istream_char__struct_std::char_traits_char__.0
mov eax, dword [ebp - 0xd8]
mov edx, dword [eax + 4]
lea ecx, [edx - 0x18]
mov dword [ebp + edx - 0xdc], ecx
lea eax, [ebp - 0x68]
mov dword [ebp - 4], 2
push eax
mov dword [ebp - 0x68], vtable.std::ios_base.0
call fcn.0049ea6e
add esp, 4
mov eax, ebx
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.004a1496
mov esp, ebp
pop ebp
ret 8
lea ecx, [ebp - 0xd8]
call fcn.00404330
mov byte [ebp - 4], 0
test ebx, ebx
je 0x43d78c
mov ecx, dword [ebp - 0x14]
mov eax, ebx
sub ecx, ebx
cmp ecx, 0x1000
jb 0x43d782
mov ebx, dword [ebx - 4]
add ecx, 0x23
sub eax, ebx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x43d793
push ecx
push ebx
call fcn.004a14d7
add esp, 8
xor ebx, ebx
jmp 0x43d6bd
call fcn.004bd1a9
int3