Function at 0x4573a1
Capabilities:
Check os version
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1ec
mov eax, dword [0x4b5898]
xor eax, ebp
mov dword [ebp - 4], eax
mov edx, dword [ebp + 8]
push ebx
xor ebx, ebx
push esi
push edi
cmp dword [0x4b9be0], ebx
je 0x4573fb
mov esi, 0x4b9be8
mov ecx, esi
lea edi, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
cmp ax, bx
jne 0x4573ce
sub ecx, edi
sar ecx, 1
je 0x457977
test edx, edx
je 0x457977
push esi
push dword [ebp + 0xc]
push edx
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_wcscpy_s]
jmp 0x45796c
push 9
pop eax
mov ecx, eax
lea edi, [ebp - 0xcc]
xor eax, eax
push 0x118
rep stosd dword es:[edi], eax
lea eax, [ebp - 0x1e4]
push ebx
push eax
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
mov dword [ebp - 0x1e8], 0x11c
lea eax, [ebp - 0x1e8]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
test eax, eax
je 0x457977
push 0x4a2810
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
mov edi, eax
test edi, edi
je 0x457977
push str.GetNativeSystemInfo
push edi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, eax
lea eax, [ebp - 0xcc]
push eax
test esi, esi
je 0x457478
mov ecx, esi
call dword [0x46a894]
call esi
jmp 0x45747e
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
cmp dword [ebp - 0x1d8], 2
jne 0x457971
cmp dword [ebp - 0x1e4], 4
jbe 0x457971
push str.Microsoft
push 0x100
mov esi, 0x4b9be8
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_wcscpy_s]
imul eax, dword [ebp - 0x1e4], 0xa
add esp, 0xc
push 6
add eax, dword [ebp - 0x1e0]
cmp dword [ebp - 0x1e4], 0xa
mov dword [0x4b9be0], eax
pop eax
jne 0x45750c
cmp dword [ebp - 0x1e0], ebx
jne 0x4578ce
cmp byte [ebp - 0xce], 1
jne 0x4574eb
push str.Windows_10
jmp 0x4574f0
push str.Windows_Server_2016
push 0x100
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_wcscat_s]
add esp, 0xc
mov dword [0x4b9be0], 0x64
push 6
pop eax
cmp dword [ebp - 0x1e4], eax
jne case.0x457647.5
cmp dword [ebp - 0x1e0], ebx
jne 0x45754e
cmp byte [ebp - 0xce], 1
jne 0x457530
push str.Windows_Vista
jmp 0x457535
push str.Windows_Server_2008
push 0x100
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_wcscat_s]
add esp, 0xc
mov dword [0x4b9be0], 0x3c
cmp dword [ebp - 0x1e0], 1
jne 0x457585
cmp byte [ebp - 0xce], 1
jne 0x457567
push str.Windows_7
jmp 0x45756c
push str.Windows_Server_2008_R2
push 0x100
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_wcscat_s]
add esp, 0xc
mov dword [0x4b9be0], 0x3d
cmp dword [ebp - 0x1e0], 2
jne 0x4575bc
cmp byte [ebp - 0xce], 1
jne 0x45759e
push str.Windows_8
jmp 0x4575a3
push str.Windows_Server_2012
push 0x100
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_wcscat_s]
add esp, 0xc
mov dword [0x4b9be0], 0x3e
cmp dword [ebp - 0x1e0], 3
jne 0x4575f3
cmp byte [ebp - 0xce], 1
jne 0x4575d5
push str.Windows_8.1
jmp 0x4575da
push str.Windows_Server_2012_R2
push 0x100
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_wcscat_s]
add esp, 0xc
mov dword [0x4b9be0], 0x3f
push str.GetProductInfo
push edi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov edi, eax
test edi, edi
je 0x457977
lea eax, [ebp - 0xa8]
mov ecx, edi
push eax
push ebx
push ebx
push dword [ebp - 0x1e0]
push dword [ebp - 0x1e4]
call dword [0x46a894]
call edi
mov eax, dword [ebp - 0xa8]
cmp eax, 0x19
ja 0x4576d1
je 0x4576ca
dec eax
cmp eax, 0x11
ja case.0x457647.5
jmp dword [eax*4 + 0x45798d]
push str.Ultimate_Edition
mov edi, 0x100
push edi
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_wcscat_s]
add esp, 0xc
jmp 0x4576ea
push str.Home_Premium_Edition
jmp 0x457653
push str.Home_Basic_Edition
jmp 0x457653
push str.Business_Edition
jmp 0x457653
push str.Starter_Edition
jmp 0x457653
push str.Cluster_Server_Edition
jmp 0x457653
push str.Datacenter_Edition
jmp 0x457653
push str.Datacenter_Edition__core_installation_
jmp 0x457653
push str.Enterprise_Edition
jmp 0x457653
push str.Enterprise_Edition__core_installation_
jmp 0x457653
push str.Enterprise_Edition_for_Itanium_based_Systems
jmp 0x457653
push str.Small_Business_Server
jmp 0x457653
push str.Standard_Edition
jmp 0x457653
push str.Standard_Edition__core_installation_
jmp 0x457653
push str.Web_Server_Edition
jmp 0x457653
push str.Small_Business_Server_Premium_Edition
jmp 0x457653
mov edi, 0x100
cmp eax, 0x30
jne 0x4576ea
push str.Professional
jmp 0x457658
mov edi, 0x100
cmp dword [ebp - 0x1e4], 5
jne 0x4578ce
cmp dword [ebp - 0x1e0], 2
jne 0x457831
push 0x59
call dword [sym.imp.USER32.dll_GetSystemMetrics]
test eax, eax
je 0x457717
push str.Windows_Server_2003_R2_
jmp 0x45775e
test dword [ebp - 0xd0], 0x2000
je 0x45772a
push str.Windows_Storage_Server_2003
jmp 0x45775e
test dword [ebp - 0xd0], 0x8000
je 0x45773d
push str.Windows_Home_Server
jmp 0x45775e
cmp byte [ebp - 0xce], 1
jne 0x457759
push 9
pop eax
cmp word [ebp - 0xcc], ax
jne 0x457759
push str.Windows_XP_Professional_x64_Edition
jmp 0x45775e
push str.Windows_Server_2003_
push edi
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_wcscat_s]
add esp, 0xc
cmp byte [ebp - 0xce], 1
je 0x457824
push 6
pop eax
cmp word [ebp - 0xcc], ax
jne 0x4577a9
test byte [ebp - 0xd0], 0x80
je 0x457795
push str.Datacenter_Edition_for_Itanium_based_Systems
jmp 0x457819
test byte [ebp - 0xd0], 2
je 0x457824
push str.Enterprise_Edition_for_Itanium_based_Systems
jmp 0x457819
push 9
pop eax
cmp word [ebp - 0xcc], ax
jne 0x4577dc
test byte [ebp - 0xd0], 0x80
je 0x4577c5
push str.Datacenter_x64_Edition
jmp 0x457819
test byte [ebp - 0xd0], 2
je 0x4577d5
push str.Enterprise_x64_Edition
jmp 0x457819
push str.Standard_x64_Edition
jmp 0x457819
mov eax, dword [ebp - 0xd0]
test eax, 0x4000
je 0x4577f0
push str.Compute_Cluster_Edition
jmp 0x457819
test al, al
jns 0x4577fb
push str.Datacenter_Edition
jmp 0x457819
test al, 2
je 0x457806
push str.Enterprise_Edition
jmp 0x457819
test eax, 0x400
je 0x457814
push str.Web_Edition
jmp 0x457819
push str.Standard_Edition
push edi
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_wcscat_s]
add esp, 0xc
cmp dword [ebp - 0x1e4], 5
jne 0x4578ce
cmp dword [ebp - 0x1e0], 1
jne 0x457876
push str.Windows_XP
push edi
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_wcscat_s]
add esp, 0xc
test dword [ebp - 0xd0], 0x200
je 0x45785d
push str.Home_Edition
jmp 0x457862
push str.Professional
push edi
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_wcscat_s]
add esp, 0xc
cmp dword [ebp - 0x1e4], 5
jne 0x4578ce
cmp dword [ebp - 0x1e0], ebx
jne 0x4578ce
push str.Windows_2000
push edi
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_wcscat_s]
add esp, 0xc
cmp byte [ebp - 0xce], 1
jne 0x45789e
push str.Professional
jmp 0x4578c3
test byte [ebp - 0xd0], 0x80
je 0x4578ae
push str.Datacenter_Server
jmp 0x4578c3
test byte [ebp - 0xd0], 2
je 0x4578be
push str.Advanced_Server
jmp 0x4578c3
push str.Server
push edi
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_wcscat_s]
add esp, 0xc
lea ecx, [ebp - 0x1d4]
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
cmp ax, bx
jne 0x4578d7
sub ecx, edx
mov ebx, 0x100
sar ecx, 1
je 0x45790c
push 0x4a18c0
push ebx
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_wcscat_s]
lea eax, [ebp - 0x1d4]
push eax
push ebx
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_wcscat_s]
add esp, 0x18
push dword [ebp - 0x1dc]
lea eax, [ebp - 0xa4]
push str.__build__d_
push 0x50
push eax
call fcn.0042011d
lea eax, [ebp - 0xa4]
push eax
push ebx
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_wcscat_s]
add esp, 0x1c
push 6
pop eax
cmp dword [ebp - 0x1e4], eax
jb 0x457977
push 9
pop eax
cmp word [ebp - 0xcc], ax
jne 0x457955
push str.__64_bit
jmp 0x457964
cmp word [ebp - 0xcc], 0
jne 0x457977
push str.__32_bit
push ebx
push esi
call dword [sym.imp.api_ms_win_crt_string_l1_1_0.dll_wcscat_s]
add esp, 0xc
jmp 0x457977
mov dword [0x4b9be0], ebx
mov ecx, dword [ebp - 4]
mov eax, dword [0x4b9be0]
xor ecx, ebp
pop edi
pop esi
pop ebx
call fcn.004619c0
leave
ret