Function at 0x40f090
Capabilities:
Check if file exists
Copy file
Create directory
Encode data using xor
Enumerate files on windows
Enumerate files recursively
Get file attributes

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5040e5
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x1cc
push esi
push edi
mov byte [ebp - 0xe], cl
mov dword [ebp - 4], 0
xorps xmm0, xmm0
mov dword [ebp - 0x3c], 0
movups xmmword [ebp - 0x4c], xmm0
mov dword [ebp - 0x38], 0xf
mov byte [ebp - 0x4c], 0
movups xmmword [ebp - 0x34], xmm0
mov dword [ebp - 0x24], 0
mov dword [ebp - 0x20], 0xf
mov byte [ebp - 0x34], 0
movups xmmword [ebp - 0x64], xmm0
mov dword [ebp - 0x54], 0
mov dword [ebp - 0x50], 0xf
mov byte [ebp - 0x64], 0
mov byte [ebp - 4], 4
xor ecx, ecx
mov byte [ebp - 0xd], 0
mov dword [ebp - 0x18], 0xb4b3b6c7
mov word [ebp - 0x14], 0x100
lea eax, [ecx - 0x65]
xor byte [ebp + ecx - 0x18], al
inc ecx
cmp ecx, 4
jb 0x40f116
lea ecx, [ebp - 0x18]
mov byte [ebp - 0x13], 0
lea edx, [ecx + 1]
nop dword [eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x40f130
sub ecx, edx
mov eax, 0x7fffffff
mov edx, dword [ebp + 0x18]
sub eax, edx
cmp eax, ecx
jb 0x40f694
cmp dword [ebp + 0x1c], 0x10
lea eax, [ebp + 8]
push ecx
cmovae eax, dword [ebp + 8]
lea ecx, [ebp - 0x18]
push ecx
push edx
push eax
push ecx
push dword [ebp - 0x1c]
lea ecx, [ebp - 0x80]
call fcn.0046dfc0
mov ecx, dword [ebp - 0x50]
cmp ecx, 0x10
jb 0x40f19d
mov edx, dword [ebp - 0x64]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40f193
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40f69f
push ecx
push edx
call fcn.004dd831
add esp, 8
movups xmm1, xmmword [ebp - 0x80]
lea ecx, [ebp - 0x64]
movq xmm0, qword [ebp - 0x70]
movd eax, xmm1
movq qword [ebp - 0x54], xmm0
cmp dword [ebp - 0x50], 0x10
movups xmmword [ebp - 0x64], xmm1
cmovae ecx, eax
lea eax, [ebp - 0x1d8]
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_FindFirstFileA]
mov esi, eax
mov dword [ebp - 0x1c], esi
cmp esi, 0xffffffff
je 0x40f525
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
nop
cmp byte [ebp - 0x1ac], 0x2e
je 0x40f4fe
cmp dword [ebp - 0x38], 0x10
lea eax, [ebp - 0x4c]
mov dword [ebp - 0x3c], 0
cmovae eax, dword [ebp - 0x4c]
mov byte [eax], 0
lea eax, [ebp - 0x34]
cmp dword [ebp - 0x20], 0x10
mov dword [ebp - 0x24], 0
cmovae eax, dword [ebp - 0x34]
mov byte [eax], 0
mov eax, 0x7fffffff
mov ecx, dword [ebp + 0x18]
sub eax, ecx
cmp eax, 1
jb 0x40f694
cmp dword [ebp + 0x1c], 0x10
lea eax, [ebp + 8]
push 1
cmovae eax, dword [ebp + 8]
push 0x521800
push ecx
push eax
push ecx
push dword [ebp - 0x1c]
lea ecx, [ebp - 0x80]
call fcn.0046dfc0
lea eax, [ebp - 0x1ac]
mov byte [ebp - 4], 5
push eax
lea ecx, [ebp - 0x80]
call fcn.00466290
lea ecx, [ebp - 0x4c]
movups xmm0, xmmword [eax]
movups xmmword [ebp - 0x98], xmm0
movq xmm0, qword [eax + 0x10]
mov dword [eax + 0x10], 0
mov dword [eax + 0x14], 0xf
mov byte [eax], 0
lea eax, [ebp - 0x98]
push eax
movq qword [ebp - 0x88], xmm0
call fcn.00466400
mov ecx, dword [ebp - 0x84]
cmp ecx, 0x10
jb 0x40f2ce
mov edx, dword [ebp - 0x98]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40f2c4
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40f69f
push ecx
push edx
call fcn.004dd831
add esp, 8
mov byte [ebp - 4], 4
mov ecx, dword [ebp - 0x6c]
cmp ecx, 0x10
jb 0x40f306
mov edx, dword [ebp - 0x80]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40f2fc
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40f69f
push ecx
push edx
call fcn.004dd831
add esp, 8
mov ecx, dword [ebp + 0x30]
mov eax, 0x7fffffff
sub eax, ecx
cmp eax, 1
jb 0x40f694
cmp dword [ebp + 0x34], 0x10
lea eax, [ebp + 0x20]
push 1
cmovae eax, dword [ebp + 0x20]
push 0x521800
push ecx
push eax
push ecx
push dword [ebp - 0x1c]
lea ecx, [ebp - 0x80]
call fcn.0046dfc0
lea eax, [ebp - 0x1ac]
mov byte [ebp - 4], 6
push eax
lea ecx, [ebp - 0x80]
call fcn.00466290
lea ecx, [ebp - 0x34]
movups xmm0, xmmword [eax]
movups xmmword [ebp - 0x98], xmm0
movq xmm0, qword [eax + 0x10]
mov dword [eax + 0x10], 0
mov dword [eax + 0x14], 0xf
mov byte [eax], 0
lea eax, [ebp - 0x98]
push eax
movq qword [ebp - 0x88], xmm0
call fcn.00466400
mov ecx, dword [ebp - 0x84]
cmp ecx, 0x10
jb 0x40f3bd
mov edx, dword [ebp - 0x98]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40f3b3
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40f69f
push ecx
push edx
call fcn.004dd831
add esp, 8
mov byte [ebp - 4], 4
mov ecx, dword [ebp - 0x6c]
cmp ecx, 0x10
jb 0x40f3f5
mov edx, dword [ebp - 0x80]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40f3eb
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40f69f
push ecx
push edx
call fcn.004dd831
add esp, 8
test byte [ebp - 0x1d8], 0x10
je 0x40f4d6
cmp dword [ebp - 0x20], 0x10
lea esi, [ebp - 0x34]
push 0x537268
cmovae esi, dword [ebp - 0x34]
call fcn.004dcb32
add esp, 4
test eax, eax
jne 0x40f699
test esi, esi
je 0x40f46c
mov ecx, esi
lea edx, [ecx + 1]
nop dword [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x40f430
sub ecx, edx
je 0x40f46c
push esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x40f45d
call edi
cmp eax, 0x44
je 0x40f45d
cmp eax, 0x20
je 0x40f45d
cmp eax, 0x45
je 0x40f45d
cmp eax, 0x24
jne 0x40f46c
push 0x537268
call fcn.004dcb43
add esp, 4
jmp 0x40f495
push 0x537268
call fcn.004dcb43
add esp, 4
lea eax, [ebp - 0x34]
cmp dword [ebp - 0x20], 0x10
cmovae eax, dword [ebp - 0x34]
push 0
push eax
call dword [sym.imp.KERNEL32.dll_CreateDirectoryA]
test eax, eax
je 0x40f536
sub esp, 0x18
mov byte [ebp - 0xd], 1
lea eax, [ebp - 0x34]
mov dword [ebp - 0x68], esp
mov ecx, esp
push eax
call fcn.00466580
sub esp, 0x18
mov byte [ebp - 4], 7
lea eax, [ebp - 0x4c]
mov ecx, esp
push eax
call fcn.00466580
mov cl, byte [ebp - 0xd]
mov byte [ebp - 4], 4
call fcn.0040f090
mov esi, eax
add esp, 0x30
test esi, esi
jne 0x40f53e
mov esi, dword [ebp - 0x1c]
jmp 0x40f4fa
cmp dword [ebp - 0x20], 0x10
lea ecx, [ebp - 0x34]
push 0
cmovae ecx, dword [ebp - 0x34]
lea eax, [ebp - 0x4c]
cmp dword [ebp - 0x38], 0x10
push ecx
cmovae eax, dword [ebp - 0x4c]
push eax
call dword [sym.imp.KERNEL32.dll_CopyFileA]
test eax, eax
je 0x40f536
mov byte [ebp - 0xd], 1
lea eax, [ebp - 0x1d8]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_FindNextFileA]
cmp eax, 1
je 0x40f1e0
push esi
call dword [sym.imp.KERNEL32.dll_FindClose]
call edi
mov esi, eax
cmp esi, 0x12
jne 0x40f53e
cmp byte [ebp - 0xe], 0
jne 0x40f53c
cmp byte [ebp - 0xd], 0
jne 0x40f53c
or esi, 0xffffffff
jmp 0x40f53e
call edi
mov esi, eax
jmp 0x40f53e
xor esi, esi
mov ecx, dword [ebp - 0x50]
cmp ecx, 0x10
jb 0x40f572
mov edx, dword [ebp - 0x64]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40f568
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40f69f
push ecx
push edx
call fcn.004dd831
add esp, 8
mov ecx, dword [ebp - 0x20]
mov dword [ebp - 0x54], 0
mov dword [ebp - 0x50], 0xf
mov byte [ebp - 0x64], 0
cmp ecx, 0x10
jb 0x40f5b8
mov edx, dword [ebp - 0x34]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40f5ae
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40f69f
push ecx
push edx
call fcn.004dd831
add esp, 8
mov ecx, dword [ebp - 0x38]
mov dword [ebp - 0x24], 0
mov dword [ebp - 0x20], 0xf
mov byte [ebp - 0x34], 0
cmp ecx, 0x10
jb 0x40f5fe
mov edx, dword [ebp - 0x4c]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40f5f4
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40f69f
push ecx
push edx
call fcn.004dd831
add esp, 8
mov ecx, dword [ebp + 0x1c]
mov dword [ebp - 0x3c], 0
mov dword [ebp - 0x38], 0xf
mov byte [ebp - 0x4c], 0
cmp ecx, 0x10
jb 0x40f640
mov edx, dword [ebp + 8]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40f636
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40f69f
push ecx
push edx
call fcn.004dd831
add esp, 8
mov ecx, dword [ebp + 0x34]
mov dword [ebp + 0x18], 0
mov dword [ebp + 0x1c], 0xf
mov byte [ebp + 8], 0
cmp ecx, 0x10
jb 0x40f682
mov edx, dword [ebp + 0x20]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40f678
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40f69f
push ecx
push edx
call fcn.004dd831
add esp, 8
mov ecx, dword [ebp - 0xc]
mov eax, esi
pop edi
mov dword fs:[0], ecx
pop esi
mov esp, ebp
pop ebp
ret
call fcn.00402050
push eax
call fcn.004dc7db
call fcn.004e2ad0
int3