Function at 0x420b0b
Capabilities:
Check os version

Disassembly:
mov eax, 0x4326cc
call fcn.0040d5f0
sub esp, 0x54
and dword [ebp - 0x10], 0
push ebx
mov ebx, dword [ebp + 8]
push esi
push edi
cmp ebx, 0x111
mov edi, ecx
jne 0x420b47
push dword [ebp + 0x10]
mov eax, dword [edi]
push dword [ebp + 0xc]
call dword [eax + pe_nt_image_headers32]
test eax, eax
je 0x420c8d
jmp 0x420f5f
cmp ebx, 0x4e
jne 0x420b6f
mov eax, dword [ebp + 0x10]
cmp dword [eax], 0
je 0x420c8d
mov edx, dword [edi]
lea ecx, [ebp - 0x10]
push ecx
push eax
push dword [ebp + 0xc]
mov ecx, edi
call dword [edx + 0x84]
jmp 0x420f83
mov esi, dword [ebp + 0x10]
cmp ebx, 6
jne 0x420b87
push esi
call fcn.0041fc28
push eax
push dword [ebp + 0xc]
push edi
call fcn.0041fe56
cmp ebx, 0x20
jne 0x420ba4
mov eax, esi
shr eax, 0x10
push eax
movsx eax, si
push eax
push edi
call fcn.0041feb7
test eax, eax
jne 0x420f5f
mov eax, dword [edi]
mov ecx, edi
call dword [eax + 0x30]
push 7
mov dword [ebp - 0x14], eax
call fcn.0042f66d
mov edx, dword [ebp - 0x14]
mov eax, ebx
mov ecx, 0x1ff
and eax, ecx
and edx, ecx
mov ecx, dword [ebp + 8]
xor eax, edx
lea eax, [eax + eax*2]
cmp ecx, dword [eax*4 + 0x444138]
lea ebx, [eax*4 + 0x444138]
mov eax, dword [ebp - 0x14]
jne 0x420c0a
cmp eax, dword [ebx + 8]
jne 0x420c0a
mov ebx, dword [ebx + 4]
push 7
mov dword [ebp + 0x10], ebx
call fcn.0042f6dd
test ebx, ebx
je 0x420c8d
cmp dword [ebp + 8], 0xc000
jb 0x420cad
jmp 0x420f99
test eax, eax
mov dword [ebx], ecx
mov dword [ebx + 8], eax
je 0x420c82
jmp 0x420c1b
mov ecx, dword [ebp + 8]
mov eax, dword [ebp - 0x14]
mov edx, 0xc000
push 0
cmp ecx, edx
push 0
jae 0x420c3a
push ecx
push dword [eax + 4]
call fcn.00420a89
test eax, eax
mov dword [ebp + 0x10], eax
jne 0x420ca0
jmp 0x420c76
push edx
push dword [eax + 4]
call fcn.00420a89
test eax, eax
mov dword [ebp + 0x10], eax
je 0x420c76
jmp 0x420c4f
mov eax, dword [ebp + 0x10]
mov ecx, dword [eax + 0x10]
mov edx, dword [ebp + 8]
cmp dword [ecx], edx
je 0x420f8c
push 0
push 0
add eax, 0x18
push 0xc000
push eax
call fcn.00420a89
test eax, eax
mov dword [ebp + 0x10], eax
jne 0x420c4c
mov eax, dword [ebp - 0x14]
mov eax, dword [eax]
test eax, eax
mov dword [ebp - 0x14], eax
jne 0x420c15
and dword [ebx + 4], 0
push 7
call fcn.0042f6dd
xor eax, eax
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
leave
ret 0x10
push 7
mov dword [ebx + 4], eax
call fcn.0042f6dd
mov ebx, dword [ebp + 0x10]
mov ecx, dword [ebp + 0x10]
mov ebx, dword [ebx + 0x14]
cmp dword [ecx + 8], 0x1a
mov eax, dword [ecx + 0x10]
jne 0x420cce
call dword [sym.imp.KERNEL32.dll_GetVersion]
mov ecx, dword [ebp + 0x10]
cmp al, 4
sbb eax, eax
and al, 0xf0
add eax, 0x2f
dec eax
cmp eax, 0x30
ja case.0x420cd8.38
jmp dword [eax*4 + 0x420fb9]
push dword [ebp + 0xc]
call fcn.0042627e
push eax
jmp 0x420de3
push dword [ebp + 0xc]
jmp 0x420de3
push esi
push esi
call fcn.0041fc28
jmp 0x420f13
lea ecx, [ebp - 0x24]
call fcn.004261ca
mov eax, dword [esi + 4]
and dword [ebp - 4], 0
lea ecx, [ebp - 0x60]
mov dword [ebp - 0x20], eax
call fcn.0041f8bf
mov eax, dword [esi]
mov esi, dword [esi + 8]
push eax
mov byte [ebp - 4], 1
mov dword [ebp - 0x44], eax
call fcn.0041fc50
test eax, eax
jne 0x420d4d
mov eax, dword [edi + 0x34]
test eax, eax
je 0x420d4a
push dword [ebp - 0x44]
lea ecx, [eax + 0x20]
call fcn.0041ebec
test eax, eax
je 0x420d4a
mov dword [ebp - 0x28], eax
lea eax, [ebp - 0x60]
push esi
push eax
lea eax, [ebp - 0x24]
mov ecx, edi
push eax
call ebx
and dword [ebp - 0x20], 0
and dword [ebp - 0x44], 0
and byte [ebp - 4], 0
lea ecx, [ebp - 0x60]
mov dword [ebp - 0x10], eax
call fcn.00420309
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x24]
jmp 0x420da5
lea ecx, [ebp - 0x24]
call fcn.004261ca
mov eax, dword [esi + 4]
push dword [esi + 8]
mov dword [ebp - 0x20], eax
lea eax, [ebp - 0x24]
push eax
mov ecx, edi
mov dword [ebp - 4], 2
call ebx
and dword [ebp - 0x20], 0
or dword [ebp - 4], 0xffffffff
mov dword [ebp - 0x10], eax
lea ecx, [ebp - 0x24]
call fcn.004262fc
jmp case.0x420cd8.38
mov eax, dword [ebp + 0xc]
shr eax, 0x10
push eax
push esi
call fcn.0041fc28
jmp 0x420df9
mov eax, dword [ebp + 0xc]
shr eax, 0x10
push eax
movzx eax, word [ebp + 0xc]
jmp 0x420f13
mov eax, esi
shr eax, 0x10
push eax
movsx eax, si
push eax
push dword [ebp + 0xc]
call fcn.0041fc28
jmp 0x420dfe
push esi
mov ecx, edi
call ebx
jmp 0x420fa2
push esi
call fcn.00424ba6
push eax
mov eax, dword [ebp + 0xc]
shr eax, 0x10
push eax
movzx eax, word [ebp + 0xc]
push eax
mov ecx, edi
call ebx
jmp 0x420fa2
mov ecx, edi
call ebx
jmp case.0x420cd8.38
push dword [ebp + 0xc]
jmp 0x420f2e
mov eax, esi
shr eax, 0x10
movsx eax, ax
push eax
movsx eax, si
jmp 0x420ebd
mov eax, esi
shr eax, 0x10
push eax
movzx eax, si
jmp 0x420f4d
push dword [ebp + 0xc]
call fcn.0041fc28
push eax
push esi
call fcn.0041fc28
push eax
xor eax, eax
cmp dword [edi + 0x1c], esi
sete al
jmp 0x420f40
push dword [ebp + 0xc]
call fcn.0042627e
jmp 0x420e8b
push dword [ebp + 0xc]
call fcn.00424ba6
jmp 0x420e8b
mov eax, esi
shr eax, 0x10
push eax
movzx eax, si
push eax
push dword [ebp + 0xc]
call fcn.00424ba6
jmp 0x420f40
push dword [ebp + 0xc]
jmp 0x420e86
push esi
call fcn.0041fc28
push eax
jmp 0x420f2e
mov eax, esi
shr eax, 0x10
push eax
movzx eax, si
jmp 0x420ea6
movsx eax, si
shr esi, 0x10
movsx ecx, si
push ecx
push eax
push dword [ebp + 0xc]
call fcn.0041fc28
jmp 0x420f40
push esi
push dword [ebp + 0xc]
call fcn.0041fc28
push eax
jmp 0x420f27
push esi
call fcn.0041fc28
push eax
jmp 0x420f24
mov eax, dword [ebp + 0xc]
shr eax, 0x10
push eax
push esi
call fcn.0041fc28
jmp 0x420f3b
mov eax, dword [ebp + 0xc]
movsx edx, ax
shr eax, 0x10
cmp dword [ecx + 0x10], 0x1d
mov dword [ebp + 8], edx
movsx eax, ax
mov dword [ebp + 0xc], eax
jne 0x420eff
push esi
call fcn.0041fc28
push eax
push dword [ebp + 0xc]
push dword [ebp + 8]
jmp 0x420f51
push eax
push edx
jmp 0x420f27
push esi
push dword [ebp + 0xc]
jmp 0x420f14
movsx eax, si
shr esi, 0x10
movsx ecx, si
push ecx
push eax
mov ecx, edi
call ebx
jmp 0x420fa2
mov ecx, edi
call ebx
jmp 0x420fa2
push esi
push dword [ebp + 0xc]
mov ecx, edi
call ebx
jmp case.0x420cd8.38
push esi
mov ecx, edi
call ebx
jmp case.0x420cd8.38
mov eax, dword [ebp + 0xc]
push esi
shr eax, 0x10
push eax
movzx eax, word [ebp + 0xc]
push eax
jmp 0x420f51
movsx eax, si
shr esi, 0x10
movsx ecx, si
push ecx
push eax
push dword [ebp + 0xc]
mov ecx, edi
call ebx
jmp case.0x420cd8.38
push esi
mov ecx, edi
push dword [ebp + 0xc]
call ebx
mov dword [ebp - 0x10], 1
jmp case.0x420cd8.38
movzx eax, si
shr esi, 0x10
push esi
push eax
mov eax, dword [ebp + 0xc]
mov ecx, edi
shr eax, 0x10
push eax
movzx eax, word [ebp + 0xc]
push eax
call ebx
mov dword [ebp - 0x10], eax
test eax, eax
jne case.0x420cd8.38
jmp 0x420c8d
push 7
mov dword [ebx + 4], eax
call fcn.0042f6dd
mov ebx, dword [ebp + 0x10]
push esi
mov ecx, edi
push dword [ebp + 0xc]
call dword [ebx + 0x14]
mov dword [ebp - 0x10], eax
mov eax, dword [ebp + 0x14]
test eax, eax
je 0x420fb1
mov ecx, dword [ebp - 0x10]
mov dword [eax], ecx
push 1
pop eax
jmp 0x420c8f