Function at 0x44c851
Capabilities:
Check os version
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xe8
push ebx
mov ebx, ecx
and dword [ebx + 4], 0
push esi
push edi
lea esi, [ebx + 8]
mov dword [ebp - 4], ebx
call fcn.0044d719
mov edi, 0x9c
push edi
lea eax, [ebp - 0xa4]
push 0
push eax
call fcn.0043afd0
add esp, 0xc
lea eax, [ebp - 0xa4]
push eax
mov dword [ebp - 0xa4], edi
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
test eax, eax
je 0x44cc90
mov ebx, dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
push str.GetNativeSystemInfo
push str.kernel32.dll
call ebx
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov edx, eax
push 9
xor eax, eax
pop ecx
lea edi, [ebp - 0xc8]
rep stosd dword es:[edi], eax
lea eax, [ebp - 0xc8]
push eax
test edx, edx
je 0x44c8d7
call edx
jmp 0x44c8dd
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
cmp dword [ebp - 0x94], 2
jne 0x44cc80
cmp dword [ebp - 0xa0], 4
jb 0x44cc80
push str.Microsoft
or edi, 0xffffffff
push esi
mov eax, edi
call fcn.0044d80f
cmp dword [ebp - 0xa0], 6
jne case.0x44c9a3.5
cmp dword [ebp - 0x9c], 0
jne 0x44c937
cmp byte [ebp - 0xa], 1
mov eax, edi
jne 0x44c92c
push str.Windows_Vista
jmp 0x44c931
push str.Windows_Server_2008
push esi
call fcn.0044d80f
cmp dword [ebp - 0x9c], 1
jne 0x44c95a
cmp byte [ebp - 0xa], 1
mov eax, edi
jne 0x44c94f
push str.Windows_7
jmp 0x44c954
push str.Windows_Server_2008_R2
push esi
call fcn.0044d80f
push str.GetProductInfo
push str.kernel32.dll
call ebx
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je case.0x44c9a3.5
lea ecx, [ebp - 8]
push ecx
push 0
push 0
push dword [ebp - 0x9c]
push dword [ebp - 0xa0]
call eax
mov eax, dword [ebp - 8]
cmp eax, 0x19
ja 0x44ca1a
je 0x44ca13
dec eax
cmp eax, 0x11
ja case.0x44c9a3.5
jmp dword [eax*4 + 0x44cca6]
push str.Ultimate_Edition
jmp 0x44ca24
push str.Home_Premium_Edition
jmp 0x44ca24
push str.Home_Basic_Edition
jmp 0x44ca24
push str.Enterprise_Edition
jmp 0x44ca24
push str.Business_Edition
jmp 0x44ca24
push str.Starter_Edition
jmp 0x44ca24
push str.Cluster_Server_Edition
jmp 0x44ca24
push str.Datacenter_Edition
jmp 0x44ca24
push str.Datacenter_Edition__core_installation_
jmp 0x44ca24
push str.Enterprise_Edition__core_installation_
jmp 0x44ca24
push str.Enterprise_Edition_for_Itanium_based_Systems
jmp 0x44ca24
push str.Small_Business_Server
jmp 0x44ca24
push str.Standard_Edition
jmp 0x44ca24
push str.Standard_Edition__core_installation_
jmp 0x44ca24
push str.Web_Server_Edition
jmp 0x44ca24
push str.Small_Business_Server_Premium_Edition
jmp 0x44ca24
cmp eax, 0x30
jne case.0x44c9a3.5
push str.Professional
push esi
mov eax, edi
call fcn.0044d80f
cmp dword [ebp - 0xa0], 5
jne 0x44cbcd
cmp dword [ebp - 0x9c], 2
jne 0x44cb47
push 0x59
call dword [sym.imp.USER32.dll_GetSystemMetrics]
test eax, eax
je 0x44ca59
push str.Windows_Server_2003_R2_
jmp 0x44ca95
test dword [ebp - 0xc], 0x2000
je 0x44ca69
push str.Windows_Storage_Server_2003
jmp 0x44ca95
test dword [ebp - 0xc], 0x8000
je 0x44ca79
push str.Windows_Home_Server
jmp 0x44ca95
cmp byte [ebp - 0xa], 1
jne 0x44ca90
cmp word [ebp - 0xc8], 9
jne 0x44ca90
push str.Windows_XP_Professional_x64_Edition
jmp 0x44ca95
push str.Windows_Server_2003_
push esi
mov eax, edi
call fcn.0044d80f
cmp byte [ebp - 0xa], 1
je 0x44cb3a
cmp word [ebp - 0xc8], 6
jne 0x44cacb
test byte [ebp - 0xc], 0x80
je 0x44cabe
push str.Datacenter_Edition_for_Itanium_based_Systems
jmp 0x44cb32
test byte [ebp - 0xc], 2
je 0x44cb3a
push str.Enterprise_Edition_for_Itanium_based_Systems
jmp 0x44cb32
cmp word [ebp - 0xc8], 9
jne 0x44caf8
test byte [ebp - 0xc], 0x80
je 0x44cae2
push str.Datacenter_x64_Edition
jmp 0x44cb32
test byte [ebp - 0xc], 2
mov eax, edi
je 0x44caf1
push str.Enterprise_x64_Edition
jmp 0x44cb34
push str.Standard_x64_Edition
jmp 0x44cb34
mov eax, dword [ebp - 0xc]
test eax, 0x4000
je 0x44cb09
push str.Compute_Cluster_Edition
jmp 0x44cb32
test al, al
jns 0x44cb14
push str.Datacenter_Edition
jmp 0x44cb32
test al, 2
je 0x44cb1f
push str.Enterprise_Edition
jmp 0x44cb32
test eax, 0x400
je 0x44cb2d
push str.Web_Edition
jmp 0x44cb32
push str.Standard_Edition
mov eax, edi
push esi
call fcn.0044d80f
cmp dword [ebp - 0xa0], 5
jne 0x44cbcd
cmp dword [ebp - 0x9c], 1
jne 0x44cb83
push str.Windows_XP
push esi
mov eax, edi
call fcn.0044d80f
test dword [ebp - 0xc], 0x200
mov eax, edi
je 0x44cb6f
push str.Home_Edition
jmp 0x44cb74
push str.Professional
push esi
call fcn.0044d80f
cmp dword [ebp - 0xa0], 5
jne 0x44cbcd
cmp dword [ebp - 0x9c], 0
jne 0x44cbe3
push str.Windows_2000
push esi
mov eax, edi
call fcn.0044d80f
cmp byte [ebp - 0xa], 1
jne 0x44cba6
push str.Professional
jmp 0x44cbc5
test byte [ebp - 0xc], 0x80
je 0x44cbb3
push str.Datacenter_Server
jmp 0x44cbc5
test byte [ebp - 0xc], 2
je 0x44cbc0
push str.Advanced_Server
jmp 0x44cbc5
push str.Server
push esi
mov eax, edi
call fcn.0044d80f
cmp dword [ebp - 0xa0], 4
jne 0x44cbe3
push str.Windows_NT
push esi
mov eax, edi
call fcn.0044d80f
lea eax, [ebp - 0x90]
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x44cbec
sub eax, edx
je 0x44cc13
push 0x470820
push esi
mov eax, edi
call fcn.0044d80f
lea eax, [ebp - 0x90]
push eax
push esi
mov eax, edi
call fcn.0044d80f
push 0xa
lea eax, [ebp - 0xe8]
push eax
push dword [ebp - 0x98]
call fcn.004386b7
add esp, 0xc
push str.__build
push esi
mov eax, edi
call fcn.0044d80f
lea eax, [ebp - 0xe8]
push eax
push esi
mov eax, edi
call fcn.0044d80f
push 0x473234
push esi
mov eax, edi
call fcn.0044d80f
cmp dword [ebp - 0xa0], 6
jb 0x44cc99
cmp word [ebp - 0xc8], 9
jne 0x44cc6f
push str.__64_bit
mov eax, edi
jmp 0x44cc88
cmp word [ebp - 0xc8], 0
jne 0x44cc99
push str.__32_bit
jmp 0x44cc6b
push str.Unsupported
or eax, 0xffffffff
push esi
call fcn.0044d80f
jmp 0x44cc99
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [ebx + 4], eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 4]
pop edi
pop esi
pop ebx
leave
ret