Function at 0x4099c0
Capabilities:
Check if file exists
Enumerate files on windows

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffff06c
push ebx
push esi
push edi
mov dword [ebp - 4], ecx
mov edi, edx
mov esi, eax
mov ebx, dword [ebp + 8]
call fcn.00407474
test eax, eax
je 0x409b65
cmp dword [ebp - 4], 0
je 0x409a02
mov eax, dword [ebp - 4]
cmp word [eax], 0
je 0x409a02
lea eax, [ebp - 0x804]
mov edx, dword [ebp - 4]
call fcn.00406fd0
jmp 0x409a14
lea edx, [ebp - 0x804]
mov ecx, 0x10000000
mov eax, edi
call fcn.00406f30
cmp esi, 0xffffffff
jne 0x409a53
lea eax, [ebp - 0xa54]
push eax
lea edx, [ebp - 0x804]
push edx
call sub.KERNEL32.DLL_FindFirstFileW
mov esi, eax
cmp esi, 0xffffffff
jne 0x409a7b
call sub.KERNEL32.DLL_GetLastError
cmp eax, 2
je 0x409a42
cmp eax, 3
jne 0x409a46
xor eax, eax
jmp 0x409a4b
mov eax, 1
mov byte [ebx + 0xc2c], al
jmp 0x409a7b
lea edx, [ebp - 0xa54]
push edx
push esi
call sub.KERNEL32.DLL_FindNextFileW
test eax, eax
jne 0x409a7b
or esi, 0xffffffff
call sub.KERNEL32.DLL_GetLastError
cmp eax, 0x12
setne al
and eax, 1
mov byte [ebx + 0xc2c], al
cmp esi, 0xffffffff
je 0x409cf8
lea edx, [ebp - 0x804]
lea edi, [ebx + 0x400]
mov eax, edi
call fcn.00406fd0
mov eax, edi
call fcn.004017f0
lea edx, [ebp - 0xa28]
call fcn.00406fd0
mov eax, edi
mov ecx, 0x10000000
mov edx, ebx
call fcn.00406f1c
mov eax, dword [ebp - 0xa38]
xor edx, edx
mov edx, eax
xor eax, eax
push edx
push eax
mov eax, dword [ebp - 0xa34]
xor edx, edx
add eax, dword [esp]
adc edx, dword [esp + 4]
mov dword [ebx + 0xc00], eax
mov dword [ebx + 0xc04], edx
lea eax, [ebp - 0xa40]
mov ecx, dword [ebp - 0xa54]
add esp, 8
mov dword [ebx + 0xc08], ecx
call fcn.0040e3e8
mov dword [ebx + 0xc0c], eax
mov edx, dword [ebp - 0xa50]
mov dword [ebx + 0xc14], edx
mov edx, dword [ebp - 0xa4c]
mov dword [ebx + 0xc18], edx
mov ecx, dword [ebp - 0xa48]
mov dword [ebx + 0xc1c], ecx
mov ecx, dword [ebp - 0xa44]
mov dword [ebx + 0xc20], ecx
mov eax, dword [ebp - 0xa40]
mov dword [ebx + 0xc24], eax
mov eax, dword [ebp - 0xa3c]
mov dword [ebx + 0xc28], eax
mov eax, edi
call fcn.00406f98
test al, al
je 0x409cf8
mov word [ebx + 0x400], 0
jmp 0x409cf8
test edi, edi
je 0x409b80
cmp byte [edi], 0
je 0x409b80
push edi
lea edx, [ebp - 0xe54]
push edx
call fcn.0041d080
add esp, 8
jmp 0x409b93
lea edx, [ebp - 0xe54]
mov ecx, 0x10000000
mov eax, dword [ebp - 4]
call fcn.00406f1c
cmp esi, 0xffffffff
jne 0x409bd2
lea eax, [ebp - 0xf94]
push eax
lea edx, [ebp - 0xe54]
push edx
call sub.KERNEL32.DLL_FindFirstFileA
mov esi, eax
cmp esi, 0xffffffff
jne 0x409bfa
call sub.KERNEL32.DLL_GetLastError
cmp eax, 2
je 0x409bc1
cmp eax, 3
jne 0x409bc5
xor eax, eax
jmp 0x409bca
mov eax, 1
mov byte [ebx + 0xc2c], al
jmp 0x409bfa
lea edx, [ebp - 0xf94]
push edx
push esi
call sub.KERNEL32.DLL_FindNextFileA
test eax, eax
jne 0x409bfa
or esi, 0xffffffff
call sub.KERNEL32.DLL_GetLastError
cmp eax, 0x12
setne al
and eax, 1
mov byte [ebx + 0xc2c], al
cmp esi, 0xffffffff
je 0x409cf8
lea edx, [ebp - 0xe54]
push edx
push ebx
call fcn.0041d080
add esp, 8
lea ecx, [ebp - 0xf68]
push ecx
mov eax, ebx
call fcn.00401764
push eax
call fcn.0041d080
add esp, 8
lea edx, [ebx + 0x400]
mov ecx, 0x10000000
mov eax, ebx
call fcn.00406f30
mov eax, dword [ebp - 0xf78]
xor edx, edx
mov edx, eax
xor eax, eax
push edx
push eax
mov eax, dword [ebp - 0xf74]
xor edx, edx
add eax, dword [esp]
adc edx, dword [esp + 4]
mov dword [ebx + 0xc00], eax
mov dword [ebx + 0xc04], edx
lea eax, [ebp - 0xf80]
mov ecx, dword [ebp - 0xf94]
add esp, 8
mov dword [ebx + 0xc08], ecx
call fcn.0040e3e8
mov dword [ebx + 0xc0c], eax
mov edx, dword [ebp - 0xf90]
mov dword [ebx + 0xc14], edx
mov edx, dword [ebp - 0xf8c]
mov dword [ebx + 0xc18], edx
mov ecx, dword [ebp - 0xf88]
mov dword [ebx + 0xc1c], ecx
mov ecx, dword [ebp - 0xf84]
mov dword [ebx + 0xc20], ecx
mov eax, dword [ebp - 0xf80]
mov dword [ebx + 0xc24], eax
mov eax, dword [ebp - 0xf7c]
mov dword [ebx + 0xc28], eax
mov cl, 1
xor eax, eax
jmp 0x409ce5
mov dl, byte [ebx + eax]
cmp dl, 0x20
jb 0x409ce0
cmp dl, 0x7f
jbe 0x409ce4
xor ecx, ecx
jmp 0x409ceb
inc eax
cmp byte [ebx + eax], 0
jne 0x409cd3
test cl, cl
je 0x409cf8
mov word [ebx + 0x400], 0
mov eax, esi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4