Function at 0x423b30
Capabilities:
Encode data using xor
Hash data with crc32
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x684
mov eax, dword [0x4f65e8]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
xor ebx, ebx
push 0x206
lea ecx, [ebp - 0x24e]
xor eax, eax
push ebx
push ecx
mov byte [ebp - 0x661], bl
mov dword [ebp - 0x67c], ebx
mov word [ebp - 0x250], ax
call fcn.00454550
mov edx, 0x54
mov word [ebp - 0x48], dx
mov edx, 0x74
mov word [ebp - 0x42], dx
mov edx, 0x64
mov word [ebp - 0x3c], dx
add esp, 0xc
mov eax, 0x65
mov ecx, 0x78
mov word [ebp - 0x46], ax
mov word [ebp - 0x44], cx
lea edx, [ebp - 0x48]
push edx
mov eax, 0x2e
mov ecx, 0x69
mov word [ebp - 0x40], ax
mov word [ebp - 0x3e], cx
mov eax, 0x78
xor ecx, ecx
push 0x500408
push 0x4e8ffc
lea edx, [ebp - 0x250]
mov dword [ebp - 0x678], ebx
mov dword [ebp - 0x668], ebx
mov dword [ebp - 0x66c], ebx
mov word [ebp - 0x3a], ax
mov word [ebp - 0x38], cx
call fcn.00402980
add esp, 0xc
push 0x4e9078
lea eax, [ebp - 0x250]
push eax
lea ecx, [ebp - 0x678]
push ecx
call fcn.00450172
mov eax, dword [ebp - 0x678]
add esp, 0xc
cmp eax, ebx
je 0x423c3a
push eax
push 1
lea edx, [ebp - 0x67c]
push 4
push edx
call fcn.00451bbe
add esp, 0x10
test eax, eax
jg 0x423c4d
mov eax, dword [ebp - 0x678]
push eax
call fcn.00450606
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0044fcc4
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 0x678]
push ecx
call fcn.00450606
add esp, 4
cmp dword [ebp - 0x67c], 0x5458455f
jne 0x423c6f
mov byte [ebp - 0x661], 1
mov ecx, 0x74
mov word [ebp - 0x10], cx
mov edx, 0x65
mov word [ebp - 0x14], dx
mov ecx, 0x78
mov eax, 0x61
mov word [ebp - 0x12], ax
mov word [ebp - 0xa], cx
mov edx, 0x2e
mov eax, 0x65
lea ecx, [ebp - 0x14]
mov word [ebp - 0xe], dx
mov edx, eax
push ecx
mov word [ebp - 0xc], ax
mov word [ebp - 8], dx
xor eax, eax
push 0x500408
push 0x4e8ffc
lea edx, [ebp - 0x250]
mov word [ebp - 6], ax
call fcn.00402980
add esp, 0xc
push 0x4e9078
lea edx, [ebp - 0x250]
push edx
lea eax, [ebp - 0x668]
push eax
call fcn.00450172
mov ecx, 0x65
mov word [ebp - 0x34], cx
mov eax, 0x74
mov word [ebp - 0x30], ax
mov ecx, 0x2e
mov eax, 0x6c
mov edx, 0x61
mov word [ebp - 0x32], dx
mov word [ebp - 0x2e], cx
mov ecx, eax
add esp, 0xc
mov word [ebp - 0x2a], ax
mov edx, 0x64
lea eax, [ebp - 0x34]
mov word [ebp - 0x2c], dx
push eax
xor edx, edx
mov word [ebp - 0x26], dx
push 0x500408
push 0x4e8ffc
lea edx, [ebp - 0x250]
mov word [ebp - 0x28], cx
call fcn.00402980
add esp, 0xc
push 0x4e9078
lea ecx, [ebp - 0x250]
push ecx
lea edx, [ebp - 0x66c]
push edx
call fcn.00450172
mov ecx, dword [ebp - 0x668]
mov edx, dword [ebp - 0x66c]
add esp, 0xc
xor al, al
cmp ecx, ebx
jne 0x423d90
cmp edx, ebx
je 0x423d8e
push edx
call fcn.00450606
mov ecx, dword [ebp - 0x668]
add esp, 4
xor edx, edx
mov dword [ebp - 0x66c], edx
mov al, 1
cmp edx, ebx
jne 0x423db0
cmp ecx, ebx
je 0x424166
push ecx
call fcn.00450606
add esp, 4
mov dword [ebp - 0x668], ebx
jmp 0x424166
cmp al, bl
jne 0x424166
cmp byte [ebp - 0x661], bl
je 0x423fca
push 0x5d4c00
call fcn.00432d31
mov edi, eax
mov eax, dword [ebp - 0x668]
add esp, 4
push eax
push 1
push 0x5d4c00
push edi
mov dword [ebp - 0x670], edi
call fcn.00451bbe
add esp, 0x10
test eax, eax
jg 0x423e20
mov ecx, dword [ebp - 0x66c]
push ecx
call fcn.00450606
mov edx, dword [ebp - 0x668]
add esp, 4
push edx
call fcn.00450606
add esp, 4
push edi
call fcn.00432d3c
add esp, 4
jmp 0x424166
or eax, 0xffffffff
inc edi
mov ecx, edi
mov edx, 0x175300
jmp 0x423e30
movzx esi, byte [ecx - 1]
mov ebx, eax
and ebx, 0xff
xor esi, ebx
movzx ebx, byte [ecx]
shr eax, 8
xor eax, dword [esi*4 + 0x4f89b0]
add ecx, 4
mov esi, eax
and esi, 0xff
xor esi, ebx
shr eax, 8
xor eax, dword [esi*4 + 0x4f89b0]
movzx esi, byte [ecx - 3]
mov ebx, eax
and ebx, 0xff
xor esi, ebx
shr eax, 8
xor eax, dword [esi*4 + 0x4f89b0]
movzx esi, byte [ecx - 2]
mov ebx, eax
and ebx, 0xff
xor esi, ebx
shr eax, 8
xor eax, dword [esi*4 + 0x4f89b0]
sub edx, 1
jne 0x423e30
mov ebx, dword [ebp - 0x670]
not eax
xor eax, 0x28624ce
mov dword [ebp - 0x674], eax
mov eax, dword [ebp - 0x66c]
push eax
push 1
push 0x5cbe00
push ebx
call fcn.00451bbe
add esp, 0x10
test eax, eax
jg 0x423eee
mov ecx, dword [ebp - 0x66c]
push ecx
call fcn.00450606
mov edx, dword [ebp - 0x668]
add esp, 4
push edx
call fcn.00450606
add esp, 4
push ebx
call fcn.00432d3c
jmp 0x424161
or esi, 0xffffffff
mov ecx, edi
mov edx, 0xf7500
jmp 0x423f00
movzx edi, byte [ecx - 1]
mov eax, esi
and eax, 0xff
xor edi, eax
mov eax, esi
shr eax, 8
xor eax, dword [edi*4 + 0x4f89b0]
movzx edi, byte [ecx]
mov esi, eax
and esi, 0xff
xor esi, edi
shr eax, 8
xor eax, dword [esi*4 + 0x4f89b0]
movzx esi, byte [ecx + 1]
mov edi, eax
and edi, 0xff
xor esi, edi
shr eax, 8
xor eax, dword [esi*4 + 0x4f89b0]
movzx esi, byte [ecx + 2]
mov edi, eax
and edi, 0xff
xor esi, edi
shr eax, 8
xor eax, dword [esi*4 + 0x4f89b0]
movzx esi, byte [ecx + 3]
mov edi, eax
and edi, 0xff
xor esi, edi
shr eax, 8
xor eax, dword [esi*4 + 0x4f89b0]
movzx esi, byte [ecx + 4]
mov edi, eax
and edi, 0xff
xor esi, edi
shr eax, 8
xor eax, dword [esi*4 + 0x4f89b0]
add ecx, 6
sub edx, 1
mov esi, eax
jne 0x423f00
push ebx
call fcn.00432d3c
add esp, 4
cmp dword [ebp - 0x674], 0xf4b0fd57
jne 0x424146
not esi
xor esi, 0x28624ce
cmp esi, 0x607025b7
jmp 0x424140
push 0x221600
call fcn.00432d31
mov edi, eax
mov eax, dword [ebp - 0x668]
add esp, 4
push eax
push 1
push 0x11abd8
push edi
mov dword [ebp - 0x670], edi
call fcn.00451bbe
add esp, 0x10
test eax, eax
jle 0x423df4
or eax, 0xffffffff
inc edi
mov ecx, edi
mov edx, 0x46af6
lea esp, [esp]
movzx esi, byte [ecx - 1]
mov ebx, eax
and ebx, 0xff
xor esi, ebx
movzx ebx, byte [ecx]
shr eax, 8
xor eax, dword [esi*4 + 0x4f89b0]
add ecx, 4
mov esi, eax
and esi, 0xff
xor esi, ebx
shr eax, 8
xor eax, dword [esi*4 + 0x4f89b0]
movzx esi, byte [ecx - 3]
mov ebx, eax
and ebx, 0xff
xor esi, ebx
shr eax, 8
xor eax, dword [esi*4 + 0x4f89b0]
movzx esi, byte [ecx - 2]
mov ebx, eax
and ebx, 0xff
xor esi, ebx
shr eax, 8
xor eax, dword [esi*4 + 0x4f89b0]
sub edx, 1
jne 0x424010
mov ebx, dword [ebp - 0x670]
not eax
xor eax, 0x28624ce
mov dword [ebp - 0x674], eax
mov eax, dword [ebp - 0x66c]
push eax
push 1
push 0x221600
push ebx
call fcn.00451bbe
add esp, 0x10
test eax, eax
jle 0x423ec5
or esi, 0xffffffff
mov ecx, edi
mov edx, 0x88580
movzx edi, byte [ecx - 1]
mov eax, esi
and eax, 0xff
xor edi, eax
mov eax, esi
shr eax, 8
xor eax, dword [edi*4 + 0x4f89b0]
movzx edi, byte [ecx]
mov esi, eax
and esi, 0xff
xor esi, edi
shr eax, 8
xor eax, dword [esi*4 + 0x4f89b0]
movzx esi, byte [ecx + 1]
mov edi, eax
and edi, 0xff
xor esi, edi
shr eax, 8
xor eax, dword [esi*4 + 0x4f89b0]
movzx esi, byte [ecx + 2]
mov edi, eax
and edi, 0xff
xor esi, edi
shr eax, 8
xor eax, dword [esi*4 + 0x4f89b0]
add ecx, 4
sub edx, 1
mov esi, eax
jne 0x4240b3
push ebx
call fcn.00432d3c
add esp, 4
cmp dword [ebp - 0x674], 0x2f298b6f
jne 0x424146
not esi
xor esi, 0x28624ce
cmp esi, 0xdcd05215
je 0x4243a0
mov ecx, dword [ebp - 0x66c]
push ecx
call fcn.00450606
mov edx, dword [ebp - 0x668]
add esp, 4
push edx
call fcn.00450606
add esp, 4
xor ebx, ebx
mov ecx, dword [0x5007b4]
call fcn.0042da00
mov ecx, 0x501dd4
mov esi, eax
call fcn.00404120
push 0x206
lea ecx, [ebp - 0x65e]
xor eax, eax
push ebx
push ecx
mov dword [ebp - 0x680], ebx
mov dword [ebp - 0x674], ebx
mov dword [ebp - 0x670], ebx
mov word [ebp - 0x660], ax
call fcn.00454550
add esp, 0xc
push 0x206
lea eax, [ebp - 0x456]
xor edx, edx
push ebx
push eax
mov word [ebp - 0x458], dx
call fcn.00454550
add esp, 0xc
lea ecx, [ebp - 0x660]
push ecx
push 0x104
call fcn.006e32fb
ret
mov eax, 1
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0044fcc4
mov esp, ebp
pop ebp
ret