Function at 0x491770
Capabilities:
Check if file exists
Enumerate files on windows
Enumerate files recursively
Get file size
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x5a4
mov eax, dword [0x5381f8]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, ecx
push ebx
mov ebx, dword [ebp + 8]
push esi
cmp dword [eax + 0x10], 0
mov esi, dword [ebp + 0xc]
mov dword [ebp - 0x59c], eax
mov dword [ebp - 0x598], ebx
je 0x491d27
test ebx, ebx
je 0x491d27
push ebx
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x491d27
push edi
mov edi, dword [sym.imp.SHLWAPI.dll_PathFindFileNameW]
push ebx
call edi
mov dword [ebp - 0x594], eax
test esi, esi
je 0x4917f1
mov ecx, esi
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x4917d3
mov eax, dword [ebp - 0x594]
sub ecx, edx
sar ecx, 1
cmovne eax, esi
mov dword [ebp - 0x594], eax
push 0x2e
call fcn.0046625a
mov esi, eax
xor eax, eax
push 0x310
push eax
mov dword [ebp - 0x5a0], esi
mov dword [esi + 0xa], 0
mov dword [esi + 0xe], 0
mov dword [esi + 0x12], 0
mov dword [esi + 0x16], 0
mov dword [esi + 0x1a], 0
mov dword [esi + 0x26], 0
mov dword [esi + 0x2a], 0
mov word [esi + 8], ax
mov dword [esi + 0x1e], eax
mov dword [esi + 0x22], eax
lea eax, [ebp - 0x58c]
push eax
mov dword [esi], 0x2014b50
mov dword [esi + 4], 0x141400
call fcn.004a03d0
push dword [ebp - 0x594]
lea eax, [ebp - 0x58c]
mov dword [ebp - 0x590], esi
push 0x104
push eax
call fcn.004d8240
add esp, 0x1c
xor eax, eax
mov dword [ebp - 0x5a4], eax
push ebx
mov ebx, dword [sym.imp.SHLWAPI.dll_PathIsDirectoryW]
call ebx
test eax, eax
je 0x491ad5
mov ecx, dword [ebp - 0x59c]
xor eax, eax
mov word [esi + 0xa], ax
mov dword [esi + 0x10], eax
mov dword [esi + 0x14], eax
mov dword [esi + 0x18], eax
lea eax, [esi + 0xc]
push eax
lea eax, [esi + 0xe]
push eax
call fcn.004922b0
push 0x515388
lea eax, [ebp - 0x58c]
mov dword [esi + 0x26], 0x10
push 0x104
push eax
call fcn.004de712
mov ecx, dword [ebp - 0x59c]
lea eax, [ebp - 0x590]
add esp, 0xc
lea ecx, [ecx + 0x1c]
push eax
call fcn.004937d0
mov eax, dword [ebp - 0x59c]
cmp dword [eax + 0x10], 0
je 0x491d05
push dword [ebp - 0x598]
call ebx
test eax, eax
je 0x491d05
mov eax, dword [ebp - 0x594]
test eax, eax
je 0x491931
mov ecx, eax
lea edx, [ecx + 2]
nop dword [eax + eax]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x491920
sub ecx, edx
sar ecx, 1
jne 0x49193f
push dword [ebp - 0x598]
call edi
mov dword [ebp - 0x594], eax
push 0x208
mov dword [ebp - 0x5a4], 1
call fcn.00465e0a
mov ebx, eax
push 0x208
mov dword [ebp - 0x10], ebx
call fcn.00465e0a
push dword [ebp - 0x598]
mov edi, eax
push 0x104
push ebx
call fcn.004d8240
push 0x51538c
push 0x104
push ebx
call fcn.004de712
add esp, 0x20
lea eax, [ebp - 0x27c]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_FindFirstFileW]
mov dword [ebp - 8], eax
cmp eax, 0xffffffff
jne 0x4919ba
xor eax, eax
push edi
mov dword [ebp - 0x5a4], eax
call fcn.00465e13
push ebx
call fcn.00465e13
add esp, 8
jmp 0x491cdb
mov esi, dword [ebp - 0x598]
mov ecx, 0x514664
lea eax, [ebp - 0x250]
nop dword [eax + eax]
mov dx, word [eax]
cmp dx, word [ecx]
jne 0x4919f6
test dx, dx
je 0x4919f2
mov dx, word [eax + 2]
cmp dx, word [ecx + 2]
jne 0x4919f6
add eax, 4
add ecx, 4
test dx, dx
jne 0x4919d0
xor eax, eax
jmp 0x4919fb
sbb eax, eax
or eax, 1
test eax, eax
je 0x491aa0
mov ecx, 0x514668
lea eax, [ebp - 0x250]
nop
mov dx, word [eax]
cmp dx, word [ecx]
jne 0x491a36
test dx, dx
je 0x491a32
mov dx, word [eax + 2]
cmp dx, word [ecx + 2]
jne 0x491a36
add eax, 4
add ecx, 4
test dx, dx
jne 0x491a10
xor eax, eax
jmp 0x491a3b
sbb eax, eax
or eax, 1
test eax, eax
je 0x491aa0
lea eax, [ebp - 0x250]
push eax
push esi
push ebx
call dword [sym.imp.SHLWAPI.dll_PathCombineW]
push dword [ebp - 0x594]
push 0x104
push edi
call fcn.004d8240
push 0x515388
push 0x104
push edi
call fcn.004de712
lea eax, [ebp - 0x250]
push eax
push 0x104
push edi
call fcn.004de712
mov ecx, dword [ebp - 0x59c]
add esp, 0x24
push edi
push ebx
call fcn.00491770
mov ebx, eax
mov dword [ebp - 0x5a4], ebx
test ebx, ebx
je 0x491ab8
mov ebx, dword [ebp - 0x10]
lea eax, [ebp - 0x27c]
push eax
push dword [ebp - 8]
call dword [sym.imp.KERNEL32.dll_FindNextFileW]
test eax, eax
jne 0x4919c0
mov esi, dword [ebp - 0x5a0]
mov ebx, dword [ebp - 0x10]
push edi
call fcn.00465e13
push ebx
call fcn.00465e13
add esp, 8
jmp 0x491cdb
xor eax, eax
mov dword [esi + 0x26], 0x20
push eax
push 0x80
push 3
push eax
push 1
push SysReAllocStringLen
push dword [ebp - 0x598]
xor ebx, ebx
mov dword [ebp - 0x594], eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov edi, eax
mov dword [ebp - 0x598], edi
cmp edi, 0xffffffff
je 0x491d05
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [esi + 0x18], eax
lea eax, [ebp - 0x14]
push eax
push ebx
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileTime]
test eax, eax
je 0x491b3c
lea eax, [esi + 0xc]
push eax
lea eax, [esi + 0xe]
push eax
lea eax, [ebp - 0x14]
jmp 0x491b6d
lea eax, [ebp - 0x2c]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemTime]
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 0x2c]
push eax
call dword [sym.imp.KERNEL32.dll_SystemTimeToFileTime]
lea eax, [ebp - 0x1c]
push eax
lea eax, [ebp - 0xc]
push eax
call dword [sym.imp.KERNEL32.dll_FileTimeToLocalFileTime]
lea eax, [esi + 0xc]
push eax
lea eax, [esi + 0xe]
push eax
lea eax, [ebp - 0x1c]
push eax
call dword [sym.imp.KERNEL32.dll_FileTimeToDosDateTime]
cmp dword [esi + 0x18], ebx
jne 0x491b8a
xor eax, eax
mov word [esi + 0xa], ax
mov dword [esi + 0x14], eax
mov dword [esi + 0x10], eax
jmp 0x491c60
push 0
push 0
push 0
push 2
push 0
mov eax, 8
push edi
mov word [esi + 0xa], ax
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
mov ebx, eax
test ebx, ebx
je 0x491cd2
push 0
push 0
push 0
push 4
push ebx
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov esi, eax
mov dword [ebp - 0x594], esi
test esi, esi
je 0x491cb7
mov esi, dword [ebp - 0x5a0]
mov esi, dword [esi + 0x18]
test esi, esi
je 0x491ca6
cmp esi, 0x200
jae 0x491bed
mov esi, 0x400
jmp 0x491bef
add esi, esi
mov ecx, dword [ebp - 0x59c]
push esi
lea ecx, [ecx + 0x34]
call fcn.00493ee0
mov edi, eax
test edi, edi
je 0x491ca0
mov ecx, dword [ebp - 0x59c]
add ecx, 0x28
mov dword [ebp - 8], edi
mov eax, dword [ecx + 4]
cmp dword [ecx + 8], eax
je 0x491c24
mov dword [eax], edi
add dword [ecx + 4], 4
jmp 0x491c2e
lea edx, [ebp - 8]
push edx
push eax
call fcn.00490f30
mov eax, dword [ebp - 0x5a0]
add eax, 0x10
push eax
mov eax, dword [ebp - 0x594]
push esi
mov esi, dword [ebp - 0x5a0]
push edi
push dword [esi + 0x18]
push eax
call fcn.00498fe0
add esp, 0x14
cmp eax, 0xffffffff
je 0x491ca0
mov dword [esi + 0x14], eax
mov dword [ebp - 0x280], edi
mov eax, dword [ebp - 0x59c]
mov edx, dword [eax + 0x20]
cmp dword [eax + 0x24], edx
je 0x491c86
mov ecx, 0xc5
lea esi, [ebp - 0x590]
mov edi, edx
rep movsd dword es:[edi], dword [esi]
add dword [eax + 0x20], 0x314
jmp 0x491c96
lea ecx, [ebp - 0x590]
push ecx
push edx
lea ecx, [eax + 0x1c]
call fcn.00491090
mov dword [ebp - 0x5a4], 1
mov edi, dword [ebp - 0x598]
mov eax, dword [ebp - 0x594]
test eax, eax
je 0x491cb7
push eax
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
test ebx, ebx
je 0x491ccc
push ebx
mov ebx, dword [sym.imp.KERNEL32.dll_CloseHandle]
call ebx
mov esi, dword [ebp - 0x5a0]
jmp 0x491cd8
mov esi, dword [ebp - 0x5a0]
mov ebx, dword [sym.imp.KERNEL32.dll_CloseHandle]
push edi
call ebx
mov ebx, dword [ebp - 0x5a4]
test ebx, ebx
jne 0x491d12
push 0x2e
push esi
call fcn.00465dfc
add esp, 8
mov eax, ebx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0046621a
mov esp, ebp
pop ebp
ret 8
push 0x2e
push esi
xor ebx, ebx
call fcn.00465dfc
add esp, 8
pop edi
pop esi
mov eax, ebx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0046621a
mov esp, ebp
pop ebp
ret 8
mov ecx, dword [ebp - 4]
xor eax, eax
pop esi
xor ecx, ebp
pop ebx
call fcn.0046621a
mov esp, ebp
pop ebp
ret 8