Function at 0x438e40
Capabilities:
Check if file exists
Get common file path
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x56c4a8
mov eax, dword fs:[0]
push eax
sub esp, 0x24c
mov eax, dword [0x5d7c7c]
xor eax, ebp
mov dword [ebp - 0x10], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov eax, dword [ebp + 0xc]
mov edi, dword [ebp + 8]
mov dword [ebp - 0x248], eax
mov eax, dword [ebp + 0x10]
mov dword [ebp - 0x258], edi
mov dword [ebp - 0x24c], eax
mov eax, dword [ebp + 0x14]
mov dword [ebp - 0x244], 0
mov dword [edi + 0x10], 0
mov dword [edi + 0x14], 0
cmp dword [eax + 0x14], 0x10
mov ecx, dword [eax + 0x10]
mov dword [ebp - 4], 0
mov dword [ebp - 0x234], edi
mov dword [ebp - 0x238], eax
mov dword [ebp - 0x23c], ecx
jb 0x438ecd
mov eax, dword [eax]
mov dword [ebp - 0x238], eax
cmp ecx, 0x10
jae 0x438ee4
movups xmm0, xmmword [eax]
movups xmmword [edi], xmm0
mov dword [edi + 0x10], ecx
mov dword [edi + 0x14], 0xf
jmp 0x438f25
mov esi, ecx
mov eax, SysReAllocString
or esi, 0xf
mov ecx, edi
cmp esi, eax
cmova esi, eax
lea eax, [esi + 1]
push eax
call fcn.0041cbb0
mov ecx, eax
mov eax, dword [ebp - 0x23c]
inc eax
mov dword [edi], ecx
push eax
push dword [ebp - 0x238]
push ecx
call fcn.00512e80
mov eax, dword [ebp - 0x23c]
add esp, 0xc
mov dword [edi + 0x10], eax
mov dword [edi + 0x14], esi
push 0x208
lea eax, [ebp - 0x218]
mov dword [ebp - 4], 0
push 0
push eax
mov dword [ebp - 0x244], 1
call fcn.005126f0
add esp, 0xc
lea eax, [ebp - 0x218]
push 0
push 0x1a
push eax
push 0
call dword [sym.imp.SHELL32.dll_SHGetSpecialFolderPathW]
push str.Ludashi_switch.json
lea eax, [ebp - 0x218]
push eax
call dword [sym.imp.SHLWAPI.dll_PathAppendW]
mov esi, dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
lea eax, [ebp - 0x218]
push eax
call esi
test eax, eax
je 0x4391f5
mov dword [ebp - 0x220], 0
mov dword [ebp - 0x21c], 0xf
mov byte [ebp - 0x230], 0
lea eax, [ebp - 0x218]
mov dword [ebp - 4], 1
push eax
call esi
test eax, eax
je 0x4391ea
xor edi, edi
mov dword [ebp - 0x240], edi
mov dword [ebp - 0x23c], edi
push edi
push 0x80
push 3
push edi
push 1
push SysReAllocString
lea eax, [ebp - 0x218]
mov byte [ebp - 4], 2
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
jne 0x438ffe
call fcn.00436cf0
test eax, eax
js 0x4391ea
jmp 0x439006
mov edi, eax
mov dword [ebp - 0x240], edi
lea eax, [ebp - 0x250]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
mov dword [ebp - 0x254], esi
cmp esi, 0xffffffff
jne 0x439034
call fcn.00436cf0
test eax, eax
js 0x4391df
mov esi, dword [ebp - 0x254]
mov eax, dword [ebp - 0x250]
test eax, eax
jb 0x4391df
ja 0x4391df
test esi, esi
je 0x4391df
test eax, eax
ja 0x4391df
jb 0x439066
cmp esi, 0x500000
jae 0x4391df
mov ecx, dword [ebp - 0x220]
cmp esi, ecx
ja 0x439090
cmp dword [ebp - 0x21c], 0x10
lea eax, [ebp - 0x230]
mov dword [ebp - 0x220], esi
cmovae eax, dword [ebp - 0x230]
mov byte [eax + esi], 0
jmp 0x4390a2
mov eax, esi
sub eax, ecx
lea ecx, [ebp - 0x230]
push 0
push eax
call fcn.0043d0b0
cmp dword [ebp - 0x21c], 0x10
lea ecx, [ebp - 0x23c]
push 0
push ecx
lea eax, [ebp - 0x230]
mov dword [ebp - 0x23c], 0
cmovae eax, dword [ebp - 0x230]
push esi
push eax
push edi
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x4390df
call fcn.00436cf0
mov esi, eax
jmp 0x4390f7
xor eax, eax
mov ecx, 0x80070026
cmp dword [ebp - 0x23c], esi
cmovne eax, ecx
mov dword [ebp - 0x238], eax
mov esi, eax
mov byte [ebp - 4], 1
test edi, edi
je 0x439106
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
test esi, esi
js 0x4391ea
cmp dword [ebp - 0x220], 0
je 0x4391ea
cmp dword [ebp - 0x21c], 0x10
lea eax, [ebp - 0x230]
cmovae eax, dword [ebp - 0x230]
push eax
call fcn.0041b1a0
mov edi, eax
add esp, 4
test edi, edi
je 0x4391a1
mov eax, dword [ebp - 0x248]
cmp dword [eax + 0x14], 0x10
jb 0x43914c
mov eax, dword [eax]
push eax
push edi
call fcn.0041b090
mov ecx, eax
add esp, 8
test ecx, ecx
jne 0x43916a
push edi
call fcn.0041aeb0
add esp, 4
jmp 0x4391ea
mov eax, dword [ebp - 0x24c]
cmp dword [eax + 0x14], 0x10
jb 0x439178
mov eax, dword [eax]
push eax
push ecx
call fcn.0041b090
add esp, 8
test eax, eax
je 0x43915c
push dword [eax + 0x10]
mov esi, dword [ebp - 0x234]
mov ecx, esi
call fcn.0041cc10
push edi
call fcn.0041aeb0
add esp, 4
jmp 0x4391a7
mov esi, dword [ebp - 0x234]
mov edx, dword [ebp - 0x21c]
cmp edx, 0x10
jb 0x4391fb
mov ecx, dword [ebp - 0x230]
inc edx
mov eax, ecx
cmp edx, 0x1000
jb 0x4391d3
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x439218
push edx
push ecx
call fcn.004acb1e
add esp, 8
jmp 0x4391fb
test edi, edi
je 0x4391ea
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
lea ecx, [ebp - 0x230]
call fcn.0041c470
mov esi, dword [ebp - 0x234]
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.004acb08
mov esp, ebp
pop ebp
ret
call fcn.0052faf3
int3