Function at 0x440910
Capabilities:
Check os version
Get file version info

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x56080c
mov eax, dword fs:[0]
push eax
sub esp, 0x12c
mov eax, dword [0x5ab3e8]
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 eax, dword [0x5b4a04]
test al, 1
jne 0x4409fa
or eax, 1
mov dword [0x5b4a04], eax
mov ecx, dword [0x5aa428]
mov dword [ebp - 4], 0
cmp ecx, 0xffffffff
je 0x44097d
cmp ecx, 1
mov dword [ebp - 4], 0xffffffff
sete cl
mov byte [0x5b4a00], cl
jmp 0x440a00
push str.ntdll.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov esi, eax
test esi, esi
je 0x4409da
push str.RtlGetNtVersionNumbers
push esi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4409d3
lea ecx, [ebp - 0x134]
push ecx
lea ecx, [ebp - 0x138]
push ecx
lea ecx, [ebp - 0x130]
push ecx
call eax
push esi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
cmp dword [ebp - 0x130], 0xa
jne 0x4409da
mov dword [0x5aa428], 1
mov cl, 1
jmp 0x4409e6
push esi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
mov dword [0x5aa428], 0
xor cl, cl
mov eax, dword [0x5b4a04]
mov byte [0x5b4a00], cl
mov dword [ebp - 4], 0xffffffff
jmp 0x440a00
mov cl, byte [0x5b4a00]
test cl, cl
je 0x440a0b
mov al, 1
jmp 0x440bf9
test al, 2
jne 0x440a87
or eax, 2
push 0x110
mov dword [0x5b4a04], eax
lea eax, [ebp - 0x120]
push 0
push eax
call fcn.0048deb0
mov esi, dword [sym.imp.KERNEL32.dll_VerSetConditionMask]
add esp, 0xc
mov dword [ebp - 0x12c], 0x11c
mov dword [ebp - 0x128], 6
mov dword [ebp - 0x124], 2
push 3
push 1
push 3
push 2
push 0
push 0
call esi
push edx
push eax
call esi
push edx
push eax
push 3
lea eax, [ebp - 0x12c]
push eax
call dword [sym.imp.KERNEL32.dll_VerifyVersionInfoW]
cmp eax, 1
mov eax, dword [0x5b4a04]
sete cl
mov byte [0x5b4a08], cl
jmp 0x440a8d
mov cl, byte [0x5b4a08]
test cl, cl
je 0x440a99
mov al, byte [ebp + 8]
jmp 0x440bf9
test al, 4
jne 0x440bf1
or eax, 4
mov dword [0x5b4a04], eax
push 0
push str.d2d1.dll
mov dword [ebp - 4], 1
call sub.VERSION.dll_GetFileVersionInfoSizeW
mov ebx, eax
test ebx, ebx
je 0x440be7
cmp ebx, 0x7fffffff
ja 0x440c15
cmp ebx, 0x1000
jb 0x440b01
lea eax, [ebx + 0x23]
cmp eax, ebx
jbe 0x440c1a
push eax
call fcn.0048b6ab
add esp, 4
test eax, eax
je 0x440c1f
lea esi, [eax + 0x23]
and esi, 0xffffffe0
mov dword [esi - 4], eax
jmp 0x440b0c
push ebx
call fcn.0048b6ab
add esp, 4
mov esi, eax
push ebx
push 0
push esi
lea edi, [esi + ebx]
call fcn.0048deb0
add esp, 0xc
push esi
push ebx
push 0
push str.d2d1.dll
call sub.VERSION.dll_GetFileVersionInfoW
test eax, eax
je 0x440bbd
lea eax, [ebp - 0x134]
mov dword [ebp - 0x130], 0
push eax
lea eax, [ebp - 0x130]
mov dword [ebp - 0x134], 0
push eax
push 0x56c180
push esi
call sub.VERSION.dll_VerQueryValueW
test eax, eax
je 0x440bbd
cmp dword [ebp - 0x134], 0
je 0x440bbd
mov eax, dword [ebp - 0x130]
cmp dword [eax + 8], 0x60002
ja 0x440b89
jne 0x440b85
cmp dword [eax + 0xc], 0x23f0406c
jae 0x440b89
xor bl, bl
jmp 0x440b8b
mov bl, 1
test esi, esi
je 0x440be9
sub edi, esi
cmp edi, 0x1000
jb 0x440bab
mov ecx, dword [esi - 4]
add edi, 0x23
sub esi, ecx
lea eax, [esi - 4]
cmp eax, 0x1f
ja 0x440c1f
mov esi, ecx
push edi
push esi
call fcn.0048b6db
add esp, 8
mov byte [0x5b4a09], bl
jmp 0x440bf7
test esi, esi
je 0x440be7
sub edi, esi
cmp edi, 0x1000
jb 0x440bdd
mov ecx, dword [esi - 4]
add edi, 0x23
sub esi, ecx
lea eax, [esi - 4]
cmp eax, 0x1f
ja 0x440c1f
mov esi, ecx
push edi
push esi
call fcn.0048b6db
add esp, 8
xor bl, bl
mov byte [0x5b4a09], bl
jmp 0x440bf7
mov bl, byte [0x5b4a09]
mov al, bl
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.0048b6e9
mov esp, ebp
pop ebp
ret
call fcn.004027b0
call fcn.00402780
call fcn.00497009
int3