Function at 0x42df20
Capabilities:
Check if file exists
Enumerate files on windows
Get file attributes

Disassembly:
sub esp, 0x338
push ebx
push ebp
push esi
push edi
xor edi, edi
mov esi, 0x588ec4
cmp dword [0x588ec0], edi
jle 0x42e015
mov ebp, dword [esp + 0x350]
mov bl, byte [esi]
inc esi
mov ecx, esi
mov byte [esp + 0x10], bl
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x42df50
mov eax, dword [0x6a13b4]
sub ecx, edx
cmp ecx, eax
jne 0x42dfc1
push eax
push dword [0x6a13b0]
push esi
call sub.MSVCRT.dll__strnicmp
add esp, 0xc
test eax, eax
jne 0x42dfc1
mov ecx, esi
lea edx, [ecx + 1]
jmp 0x42df80
mov al, byte [ecx]
inc ecx
test al, al
jne 0x42df80
sub ecx, edx
inc esi
add esi, ecx
cmp bl, 2
je 0x42e136
push esi
push dword [esp + 0x14]
push ebp
push dword [0x6a13d4]
call fcn.00440c70
test eax, eax
jne 0x42e136
mov ecx, esi
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x42dfb3
sub ecx, edx
inc esi
add esi, ecx
jmp 0x42dfee
mov ecx, esi
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x42dfc6
sub ecx, edx
lea edx, [ecx + 1]
add edx, esi
mov ecx, edx
lea esi, [ecx + 1]
lea esp, [esp]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x42dfe0
sub ecx, esi
lea esi, [ecx + 1]
add esi, edx
mov al, byte [esi]
inc esi
cmp al, 6
jne 0x42e005
push esi
call fcn.0043e570
add eax, dword [0x6b0dc8]
add esi, eax
jmp 0x42e008
add esi, 8
inc edi
cmp edi, dword [0x588ec0]
jl 0x42df44
mov ebp, dword [esp + 0x350]
cmp byte [ebp], 0
jne 0x42e300
mov ebx, dword [0x6a1200]
test ebx, ebx
jne 0x42e290
xor ecx, ecx
jmp 0x42e040
mov al, byte [ecx + 0x587058]
lea ecx, [ecx + 1]
mov byte [esp + ecx + 0x153], al
test al, al
jne 0x42e040
lea ecx, [esp + 0x154]
dec ecx
lea esp, [esp]
mov al, byte [ecx + 1]
lea ecx, [ecx + 1]
test al, al
jne 0x42e060
mov eax, dword [str.Residents.res]
mov dword [ecx], eax
mov eax, dword [0x560270]
mov dword [ecx + 4], eax
mov eax, dword [0x560274]
mov dword [ecx + 8], eax
mov eax, dword [0x560278]
mov dword [ecx + 0xc], eax
lea ecx, [esp + 0x154]
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x42e093
lea eax, [esp + 0x14]
sub ecx, edx
push eax
lea eax, [esp + 0x158]
push eax
lea ebx, [esp + ecx + 0x157]
call dword [sym.imp.KERNEL32.dll_FindFirstFileA]
mov ebp, eax
cmp ebp, 0xffffffff
je 0x42e27a
test byte [esp + 0x14], 0x10
jne 0x42e25f
cmp dword [0x587014], 0
je 0x42e22f
mov eax, dword [str.Unicode_]
lea edx, [esp + 0x40]
mov dword [ebx], eax
mov esi, edx
mov eax, dword [0x560280]
mov dword [ebx + 4], eax
mov al, byte [0x560284]
mov byte [ebx + 8], al
mov al, byte [edx]
inc edx
test al, al
jne 0x42e0f6
sub edx, esi
lea edi, [ebx - 1]
mov al, byte [edi + 1]
inc edi
test al, al
jne 0x42e102
mov ecx, edx
lea eax, [esp + 0x154]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
je 0x42e210
push 1
jmp 0x42e24f
mov ecx, esi
lea edx, [ecx + 1]
jmp 0x42e140
mov al, byte [ecx]
inc ecx
test al, al
jne 0x42e140
sub ecx, edx
add esi, ecx
movsx eax, byte [esi + 1]
add esi, 2
sub eax, 3
je 0x42e1e9
sub eax, 2
je 0x42e1c8
dec eax
jne 0x42e40f
mov edi, dword [esp + 0x34c]
push esi
mov dword [edi], 0x25
call fcn.0043e570
add eax, dword [0x6b0dc8]
push eax
push 0
push dword [0x69f73c]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov dword [edi + 8], eax
test eax, eax
je 0x42e1ac
push esi
push eax
call fcn.0043e4f0
mov byte [edi + 0x12], 0
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x338
ret
push str.NoMemory
push str.Parser
call fcn.00437420
add esp, 8
mov dword [0x6a120c], eax
jmp 0x42e405
mov eax, dword [esp + 0x34c]
pop edi
mov dword [eax], 0x24
fld qword [esi]
pop esi
pop ebp
fstp qword [eax + 8]
mov byte [eax + 0x12], 0
pop ebx
add esp, 0x338
ret
mov ecx, dword [esp + 0x34c]
pop edi
mov dword [ecx], 0x23
mov eax, dword [esi]
mov dword [ecx + 8], eax
mov eax, dword [esi + 4]
pop esi
pop ebp
mov dword [ecx + 0xc], eax
mov byte [ecx + 0x12], 0
pop ebx
add esp, 0x338
ret
lea ecx, [esp + 0x40]
mov edx, ebx
mov eax, ecx
sub edx, eax
lea ebx, [ebx]
mov al, byte [ecx]
lea ecx, [ecx + 1]
mov byte [edx + ecx - 1], al
test al, al
jne 0x42e220
jmp 0x42e24d
lea ecx, [esp + 0x40]
mov edx, ebx
mov eax, ecx
sub edx, eax
lea esp, [esp]
mov al, byte [ecx]
lea ecx, [ecx + 1]
mov byte [edx + ecx - 1], al
test al, al
jne 0x42e240
push 0
lea eax, [esp + 0x158]
push eax
call fcn.0042ca80
add esp, 8
lea eax, [esp + 0x14]
push eax
push ebp
call dword [sym.imp.KERNEL32.dll_FindNextFileA]
test eax, eax
jne 0x42e0c1
push ebp
call dword [sym.imp.KERNEL32.dll_FindClose]
mov ebx, dword [0x6a1200]
mov ebp, dword [esp + 0x350]
test ebx, ebx
je 0x42e300
jmp 0x42e290
mov edi, dword [ebx + 4]
mov eax, dword [ebx + 8]
add eax, edi
cmp edi, eax
jae 0x42e2fa
lea esp, [esp]
mov ecx, edi
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x42e2a5
mov eax, dword [0x6a13b4]
sub ecx, edx
cmp ecx, eax
jne 0x42e2cf
push eax
push dword [0x6a13b0]
push edi
call sub.MSVCRT.dll__strnicmp
add esp, 0xc
test eax, eax
je 0x42e41a
mov ecx, edi
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x42e2d4
push dword [ebx + 0xc]
sub ecx, edx
lea eax, [edi + 1]
add eax, ecx
push eax
mov eax, dword [ebx + 0x14]
call eax
mov ecx, dword [ebx + 4]
mov edi, eax
add ecx, dword [ebx + 8]
add esp, 8
cmp edi, ecx
jb 0x42e2a0
mov ebx, dword [ebx]
test ebx, ebx
jne 0x42e290
cmp dword [0x6a1208], 0
jne 0x42e40f
push str.ConstantNotFound
push str.Parser
call fcn.00437420
mov edx, 0x6a1210
add esp, 8
sub edx, eax
mov cl, byte [eax]
lea eax, [eax + 1]
mov byte [edx + eax - 1], cl
test cl, cl
jne 0x42e326
mov ebx, 0x6a1210
lea ecx, [ebx - 1]
jmp 0x42e340
mov al, byte [ecx + 1]
lea ecx, [ecx + 1]
test al, al
jne 0x42e340
mov ax, word [0x560260]
mov word [ecx], ax
mov al, byte [0x560262]
mov byte [ecx + 2], al
cmp byte [ebp], 0
je 0x42e3ab
mov esi, ebp
mov al, byte [ebp]
inc ebp
test al, al
jne 0x42e363
sub ebp, esi
lea edi, [ebx - 1]
mov al, byte [edi + 1]
inc edi
test al, al
jne 0x42e370
mov ecx, ebp
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea ecx, [ebx - 1]
lea esp, [esp]
mov al, byte [ecx + 1]
lea ecx, [ecx + 1]
test al, al
jne 0x42e390
mov ax, word [0x560264]
mov word [ecx], ax
mov al, byte [0x560266]
mov byte [ecx + 2], al
lea edi, [ebx - 1]
mov edi, edi
mov al, byte [edi + 1]
lea edi, [edi + 1]
test al, al
jne 0x42e3b0
push dword [0x6a13b4]
mov ax, word [0x56029c]
push dword [0x6a13b0]
mov word [edi], ax
push 0x6a1210
call sub.MSVCRT.dll_strncat
add esp, 0xc
dec ebx
lea ecx, [ecx]
mov al, byte [ebx + 1]
lea ebx, [ebx + 1]
test al, al
jne 0x42e3e0
mov ax, word [0x560268]
mov word [ebx], ax
mov al, byte [0x56026a]
mov byte [ebx + 2], al
mov dword [0x6a120c], 0x6a1210
mov dword [0x6a1208], 1
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x338
ret
mov ecx, edi
lea edx, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x42e420
push dword [ebx + 0xc]
mov esi, dword [esp + 0x350]
lea eax, [edi + 1]
sub ecx, edx
add eax, ecx
push esi
push eax
mov eax, dword [ebx + 0x10]
call eax
add esp, 0xc
mov byte [esi + 0x12], 0
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x338
ret