Function at 0x474440
Capabilities:
Check os version
Get storage device properties

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4e4e75
mov eax, dword fs:[0]
push eax
sub esp, 0x34
mov eax, dword [0x51c100]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x34], edx
mov dword [ebp - 0x30], ecx
mov dword [ebp - 0x2c], 0
mov dword [ebp - 0x18], 0
call fcn.00426480
mov edi, eax
test edi, edi
je 0x4746fe
mov eax, dword [edi]
mov esi, dword [eax + 0xc]
mov ecx, esi
call dword [0x4e933c]
mov ecx, edi
call esi
add eax, 0x10
mov dword [ebp - 0x18], eax
mov dword [ebp - 4], 1
xorps xmm0, xmm0
xor ebx, ebx
movq qword [ebp - 0x24], xmm0
mov dword [ebp - 0x1c], 0
mov dword [ebp - 0x28], ebx
call dword [sym.imp.KERNEL32.dll_GetVersion]
push dword [ebp - 0x30]
mov dword [ebp - 0x14], eax
lea eax, [ebp - 0x18]
push 0x5054d4
push eax
call fcn.00476760
mov edi, dword [ebp - 0x18]
add esp, 0xc
push ebx
push ebx
push 3
push ebx
push 3
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
or esi, 0xffffffff
mov dword [ebp - 0x30], eax
cmp eax, esi
jne 0x474507
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [ebp - 0x2c], eax
jmp 0x4746ae
push 0x1001
call fcn.004aceb0
mov ebx, eax
add esp, 4
mov dword [ebp - 0x38], ebx
test ebx, ebx
jne 0x474529
mov dword [ebp - 0x2c], 8
jmp 0x4746a5
push 0x1001
push 0
push ebx
call fcn.004a3580
add esp, 0xc
lea eax, [ebp - 0x28]
push 0
push eax
push 0x1000
push ebx
push 0xc
lea eax, [ebp - 0x24]
push eax
push 0x2d1400
push dword [ebp - 0x30]
call dword [sym.imp.KERNEL32.dll_DeviceIoControl]
test eax, eax
jne 0x47456b
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [ebp - 0x2c], eax
jmp 0x4746a5
mov ecx, dword [ebx + 0x18]
test ecx, ecx
je 0x47469e
cmp ecx, dword [ebp - 0x28]
jae 0x47469e
mov eax, dword [ebp - 0x14]
cmp al, 6
ja 0x47466b
jne 0x474597
shr eax, 8
cmp al, 2
jae 0x47466b
mov dword [ebp - 0x14], 0
call fcn.00426480
mov dword [ebp - 0x3c], eax
test eax, eax
je 0x474708
mov eax, dword [eax]
mov esi, dword [eax + 0xc]
mov ecx, esi
call dword [0x4e933c]
mov ecx, dword [ebp - 0x3c]
call esi
lea esi, [eax + 0x10]
mov dword [ebp - 0x14], esi
mov byte [ebp - 4], 3
mov edx, dword [ebp - 0x28]
sub edx, dword [ebx + 0x18]
js 0x474712
mov eax, dword [esi - 8]
mov ecx, 1
sub ecx, dword [esi - 4]
sub eax, edx
or eax, ecx
jge 0x4745f3
push edx
lea ecx, [ebp - 0x14]
call fcn.00476370
mov esi, dword [ebp - 0x14]
mov ecx, dword [ebx + 0x18]
add ecx, ebx
push esi
call fcn.00473f10
add esp, 4
push dword [esi - 8]
push esi
call fcn.004ba772
add esp, 8
test eax, eax
js 0x474712
cmp eax, dword [esi - 8]
jg 0x474712
mov ecx, dword [ebp - 0x34]
mov dword [esi - 0xc], eax
mov byte [eax + esi], 0
lea eax, [ebp - 0x14]
push eax
call fcn.004761b0
mov byte [ebp - 4], 1
lea ecx, [esi - 0x10]
or esi, 0xffffffff
mov eax, esi
lock xadd dword [ecx + 0xc], eax
dec eax
test eax, eax
jg 0x474694
mov ebx, dword [ecx]
push ecx
mov eax, dword [ebx]
mov esi, dword [eax + 4]
mov ecx, esi
call dword [0x4e933c]
mov ecx, ebx
call esi
mov ecx, dword [ebp - 0x34]
or esi, 0xffffffff
mov ebx, dword [ebp - 0x38]
call fcn.00475d90
jmp 0x4746a5
lea edx, [ecx + ebx]
test edx, edx
jne 0x474676
xor ecx, ecx
jmp 0x47468a
mov ecx, edx
lea eax, [ecx + 1]
mov dword [ebp - 0x38], eax
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x474680
sub ecx, dword [ebp - 0x38]
push ecx
mov ecx, dword [ebp - 0x34]
push edx
call fcn.004763d0
mov ecx, dword [ebp - 0x34]
call fcn.00475d90
jmp 0x4746a5
mov dword [ebp - 0x2c], 0xd
push dword [ebp - 0x30]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
call fcn.004acec0
add esp, 4
mov dword [ebp - 4], 0xffffffff
lea ecx, [edi - 0x10]
lock xadd dword [ecx + 0xc], esi
dec esi
test esi, esi
jg 0x4746df
mov edi, dword [ecx]
push ecx
mov eax, dword [edi]
mov esi, dword [eax + 4]
mov ecx, esi
call dword [0x4e933c]
mov ecx, edi
call esi
mov eax, dword [ebp - 0x2c]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.004a057b
mov esp, ebp
pop ebp
ret
push 0x80004005
call fcn.00426330
push 0x80004005
call fcn.00426330
push 0x80070057
call fcn.00426330
int3