Function at 0x40f520
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 0x503d35
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], 0x969590e5
mov word [ebp - 0x14], 0x100
lea eax, [ecx - 0x47]
xor byte [ebp + ecx - 0x18], al
inc ecx
cmp ecx, 4
jb 0x40f5a6
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 0x40f5c0
sub ecx, edx
mov eax, closesocket
mov edx, dword [ebp + 0x18]
sub eax, edx
cmp eax, ecx
jb 0x40fb24
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.0046db90
mov ecx, dword [ebp - 0x50]
cmp ecx, 0x10
jb 0x40f62d
mov edx, dword [ebp - 0x64]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40f623
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40fb2f
push ecx
push edx
call fcn.004dd461
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 0x40f9b5
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
nop
cmp byte [ebp - 0x1ac], 0x2e
je 0x40f98e
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, closesocket
mov ecx, dword [ebp + 0x18]
sub eax, ecx
cmp eax, 1
jb 0x40fb24
cmp dword [ebp + 0x1c], 0x10
lea eax, [ebp + 8]
push 1
cmovae eax, dword [ebp + 8]
push 0x521708
push ecx
push eax
push ecx
push dword [ebp - 0x1c]
lea ecx, [ebp - 0x80]
call fcn.0046db90
lea eax, [ebp - 0x1ac]
mov byte [ebp - 4], 5
push eax
lea ecx, [ebp - 0x80]
call fcn.00465e20
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.00465f90
mov ecx, dword [ebp - 0x84]
cmp ecx, 0x10
jb 0x40f75e
mov edx, dword [ebp - 0x98]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40f754
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40fb2f
push ecx
push edx
call fcn.004dd461
add esp, 8
mov byte [ebp - 4], 4
mov ecx, dword [ebp - 0x6c]
cmp ecx, 0x10
jb 0x40f796
mov edx, dword [ebp - 0x80]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40f78c
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40fb2f
push ecx
push edx
call fcn.004dd461
add esp, 8
mov ecx, dword [ebp + 0x30]
mov eax, closesocket
sub eax, ecx
cmp eax, 1
jb 0x40fb24
cmp dword [ebp + 0x34], 0x10
lea eax, [ebp + 0x20]
push 1
cmovae eax, dword [ebp + 0x20]
push 0x521708
push ecx
push eax
push ecx
push dword [ebp - 0x1c]
lea ecx, [ebp - 0x80]
call fcn.0046db90
lea eax, [ebp - 0x1ac]
mov byte [ebp - 4], 6
push eax
lea ecx, [ebp - 0x80]
call fcn.00465e20
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.00465f90
mov ecx, dword [ebp - 0x84]
cmp ecx, 0x10
jb 0x40f84d
mov edx, dword [ebp - 0x98]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40f843
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40fb2f
push ecx
push edx
call fcn.004dd461
add esp, 8
mov byte [ebp - 4], 4
mov ecx, dword [ebp - 0x6c]
cmp ecx, 0x10
jb 0x40f885
mov edx, dword [ebp - 0x80]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40f87b
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40fb2f
push ecx
push edx
call fcn.004dd461
add esp, 8
test byte [ebp - 0x1d8], 0x10
je 0x40f966
cmp dword [ebp - 0x20], 0x10
lea esi, [ebp - 0x34]
push 0x538280
cmovae esi, dword [ebp - 0x34]
call fcn.004dc762
add esp, 4
test eax, eax
jne 0x40fb29
test esi, esi
je 0x40f8fc
mov ecx, esi
lea edx, [ecx + 1]
nop dword [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x40f8c0
sub ecx, edx
je 0x40f8fc
push esi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
jne 0x40f8ed
call edi
cmp eax, 0x44
je 0x40f8ed
cmp eax, 0x20
je 0x40f8ed
cmp eax, 0x45
je 0x40f8ed
cmp eax, 0x24
jne 0x40f8fc
push 0x538280
call fcn.004dc773
add esp, 4
jmp 0x40f925
push 0x538280
call fcn.004dc773
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 0x40f9c6
sub esp, 0x18
mov byte [ebp - 0xd], 1
lea eax, [ebp - 0x34]
mov dword [ebp - 0x68], esp
mov ecx, esp
push eax
call fcn.00466110
sub esp, 0x18
mov byte [ebp - 4], 7
lea eax, [ebp - 0x4c]
mov ecx, esp
push eax
call fcn.00466110
mov cl, byte [ebp - 0xd]
mov byte [ebp - 4], 4
call fcn.0040f520
mov esi, eax
add esp, 0x30
test esi, esi
jne 0x40f9ce
mov esi, dword [ebp - 0x1c]
jmp 0x40f98a
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 0x40f9c6
mov byte [ebp - 0xd], 1
lea eax, [ebp - 0x1d8]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_FindNextFileA]
cmp eax, 1
je 0x40f670
push esi
call dword [sym.imp.KERNEL32.dll_FindClose]
call edi
mov esi, eax
cmp esi, 0x12
jne 0x40f9ce
cmp byte [ebp - 0xe], 0
jne 0x40f9cc
cmp byte [ebp - 0xd], 0
jne 0x40f9cc
or esi, 0xffffffff
jmp 0x40f9ce
call edi
mov esi, eax
jmp 0x40f9ce
xor esi, esi
mov ecx, dword [ebp - 0x50]
cmp ecx, 0x10
jb 0x40fa02
mov edx, dword [ebp - 0x64]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40f9f8
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40fb2f
push ecx
push edx
call fcn.004dd461
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 0x40fa48
mov edx, dword [ebp - 0x34]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40fa3e
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40fb2f
push ecx
push edx
call fcn.004dd461
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 0x40fa8e
mov edx, dword [ebp - 0x4c]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40fa84
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40fb2f
push ecx
push edx
call fcn.004dd461
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 0x40fad0
mov edx, dword [ebp + 8]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40fac6
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40fb2f
push ecx
push edx
call fcn.004dd461
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 0x40fb12
mov edx, dword [ebp + 0x20]
inc ecx
mov eax, edx
cmp ecx, 0x1000
jb 0x40fb08
mov edx, dword [eax - 4]
add ecx, 0x23
sub eax, edx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40fb2f
push ecx
push edx
call fcn.004dd461
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.00402060
push eax
call fcn.004dc40b
call fcn.004e2700
int3