Function at 0x453d54
Capabilities:
Check os version

Disassembly:
push ebp
mov ebp, esp
mov ecx, 0x30
push 0
push 0
dec ecx
jne 0x453d5c
push ecx
push ebx
push esi
push edi
mov edi, dword [ebp + 0xc]
mov ebx, dword [ebp + 8]
lea eax, [ebp - 0x88]
mov edx, dword [0x44fb4c]
call fcn.00404994
xor eax, eax
push ebp
push 0x45442f
push dword fs:[eax]
mov dword fs:[eax], esp
xor eax, eax
mov dword [ebp - 4], eax
call sub.kernel32.dll_GetVersion_1
test eax, 0x80000000
je 0x454209
test ebx, ebx
je 0x4541fd
cmp ebx, 0xffffffff
je 0x4541fd
push ebx
call fcn.004544bc
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0
je 0x4541f1
call fcn.00452590
cmp eax, dword [ebp - 8]
je 0x4541f1
mov eax, dword [ebp - 8]
call fcn.00453d00
test al, al
jne 0x4541f1
push 0x78
call sub.kernel32.dll_SetLastError
call fcn.00452590
xor dword [ebp - 8], eax
lea eax, [ebp - 8]
mov dword [ebp - 0xc], eax
mov dl, 1
mov eax, 0x45444c
call fcn.004522d8
lea edx, [ebp - 0x88]
call fcn.0045220c
mov eax, dword [ebp - 0x6c]
call fcn.00404ee8
cmp eax, 7
jl 0x4543fa
mov eax, dword [ebp - 0x6c]
call fcn.00404ef0
add eax, eax
lea eax, [eax + eax*2]
mov edx, dword [ebp - 0x6c]
mov eax, dword [edx + eax*8 - 0xc0]
lea edx, [ebp - 0x120]
call fcn.0045220c
lea edx, [ebp - 0x120]
lea eax, [ebp - 0x88]
mov ecx, dword [0x44fb4c]
call fcn.00404bb4
cmp dword [ebp - 0x7c], 0xc8
jge 0x4543fa
mov eax, dword [ebp - 0x68]
call fcn.00404ee8
cmp eax, 5
jl 0x4543fa
mov eax, dword [ebp - 0x68]
call fcn.00404ef0
mov edx, eax
shl eax, 3
sub eax, edx
mov edx, dword [ebp - 0x68]
mov ebx, dword [edx + eax*4 + 0xc]
mov eax, dword [ebp - 0x68]
call fcn.00404ef0
mov edx, eax
shl eax, 3
sub eax, edx
mov edx, dword [ebp - 0x68]
cmp ebx, dword [edx + eax*4 - 0x10]
jne 0x4543fa
mov eax, dword [ebp - 0x84]
mov dword [ebp - 0x10], eax
mov eax, dword [ebp - 0x68]
call fcn.00404ef0
mov edx, eax
shl eax, 3
sub eax, edx
mov edx, dword [ebp - 0x68]
mov eax, dword [edx + eax*4 - 0x2c]
lea edx, [ebp - 0x160]
call fcn.0045220c
lea edx, [ebp - 0x160]
lea eax, [ebp - 0x88]
mov ecx, dword [0x44fb4c]
call fcn.00404bb4
cmp dword [ebp - 0x7c], 0x1f4
jge 0x4543fa
lea eax, [ebp - 0x88]
call fcn.00453c24
test eax, eax
je 0x4543fa
push 0
push 0
xor ecx, ecx
xor edx, edx
mov eax, dword [ebp - 0x84]
call fcn.00453470
mov dword [ebp - 0x14], eax
xor edx, edx
push ebp
push 0x4541ea
push dword fs:[edx]
mov dword fs:[edx], esp
lea edx, [ebp - 0x88]
mov eax, dword [ebp - 0x14]
call fcn.0045220c
lea eax, [ebp - 0x88]
call fcn.00453c24
test eax, eax
je 0x4541d1
lea edx, [ebp - 0xc]
mov dword [eax], edx
push 0
push 0
xor ecx, ecx
xor edx, edx
mov eax, dword [ebp - 0x10]
call fcn.00453470
mov dword [ebp - 0x20], eax
xor edx, edx
push ebp
push 0x4541ca
push dword fs:[edx]
mov dword fs:[edx], esp
lea edx, [ebp - 0x88]
mov eax, dword [ebp - 0x20]
call fcn.0045220c
mov eax, dword [ebp - 0x68]
call fcn.00404ef0
mov edx, eax
shl eax, 3
sub eax, edx
mov edx, dword [ebp - 0x68]
lea esi, [edx + eax*4 - 0x38]
mov eax, dword [ebp - 0x14]
xor edx, edx
push edx
push eax
mov eax, dword [esi + 8]
xor edx, edx
sub dword [esp], eax
sbb dword [esp + 4], edx
pop eax
pop edx
mov edx, dword [esi + 0x14]
mov dword [edx], eax
mov eax, dword [ebp - 0x6c]
call fcn.00404ef0
test eax, eax
jl 0x454003
inc eax
mov dword [ebp - 0x48], eax
xor ebx, ebx
mov eax, ebx
add eax, eax
lea eax, [eax + eax*2]
mov edx, dword [ebp - 0x6c]
mov edx, dword [edx + eax*8]
cmp edx, dword [esi + 4]
jae 0x453ffd
mov edx, dword [ebp - 0x6c]
mov edx, dword [edx + eax*8 + 4]
cmp edx, dword [esi + 4]
jbe 0x453ffd
mov edx, dword [ebp - 0x6c]
mov edx, dword [edx + eax*8]
cmp word [edx], 0x86a
jne 0x453ffd
mov edx, dword [ebp - 0x6c]
mov eax, dword [edx + eax*8]
mov word [eax], 0x186a
jmp 0x454003
inc ebx
dec dword [ebp - 0x48]
jne 0x453fc5
cmp dword [ebp + 0x10], 0
jne 0x454012
mov dword [ebp + 0x10], 0xffffd000
jmp 0x45401b
cmp dword [ebp + 0x10], 0
jle 0x45401b
neg dword [ebp + 0x10]
push 0
push 0x14
call fcn.0045309c
mov dword [ebp - 0x3c], eax
mov eax, dword [ebp - 0x3c]
mov edx, dword [ebp + 0x14]
mov dword [eax], edx
mov eax, dword [ebp - 0x3c]
mov edx, dword [ebp + 0x18]
mov dword [eax + 4], edx
xor eax, eax
mov dword [ebp - 0x18], eax
xor eax, eax
mov dword [ebp - 0x1c], eax
mov dl, 1
mov eax, 0x454464
call fcn.004522d8
lea edx, [ebp - 0xb8]
call fcn.00450fb4
mov ebx, 0xa
cmp word [ebp - 0xb6], 0xa1
jne 0x454089
cmp dword [ebp - 0x18], 0
je 0x45407d
mov eax, dword [ebp - 0x9c]
inc eax
mov eax, dword [eax]
mov dword [ebp - 0x1c], eax
jmp 0x4540b2
mov eax, dword [ebp - 0x9c]
inc eax
mov eax, dword [eax]
mov dword [ebp - 0x18], eax
lea edx, [ebp - 0x184]
mov eax, dword [ebp - 0x98]
call fcn.00450fb4
push edi
lea esi, [ebp - 0x184]
lea edi, [ebp - 0xb8]
mov ecx, 9
rep movsd dword es:[edi], dword [esi]
pop edi
dec ebx
jne 0x45405e
cmp dword [ebp - 0x18], 0
jne 0x4540be
cmp dword [ebp - 0x1c], 0
je 0x45410e
call fcn.0045222c
mov edx, 0x61
call fcn.0044f4e0
mov dword [ebp - 0x40], eax
call fcn.0045222c
mov edx, 0x62
call fcn.0044f4e0
mov dword [ebp - 0x44], eax
cmp dword [ebp - 0x40], 0
je 0x454118
cmp dword [ebp - 0x44], 0
je 0x454118
cmp dword [ebp - 0x18], 0
je 0x4540fd
mov eax, dword [ebp - 0x18]
mov eax, dword [eax]
push eax
call dword [ebp - 0x40]
cmp dword [ebp - 0x1c], 0
je 0x454118
mov eax, dword [ebp - 0x1c]
mov eax, dword [eax]
push eax
call dword [ebp - 0x40]
jmp 0x454118
xor eax, eax
mov dword [ebp - 0x40], eax
xor eax, eax
mov dword [ebp - 0x44], eax
xor eax, eax
push ebp
push 0x454199
push dword fs:[eax]
mov dword fs:[eax], esp
lea edx, [ebp - 0x10]
mov eax, dword [ebp - 0x3c]
add eax, 8
call fcn.0045387c
test al, al
je 0x454161
mov eax, dword [ebp - 8]
add eax, 0x20
test dword [eax], 0x30800000
jne 0x454161
mov eax, dword [ebp + 0x20]
push eax
mov eax, dword [ebp + 0x1c]
push eax
mov eax, dword [ebp - 0x3c]
push eax
mov eax, dword [ebp - 0x10]
push eax
mov eax, dword [ebp + 0x10]
push eax
push edi
call dword [ebp - 0x20]
mov dword [ebp - 4], eax
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4541a0
cmp dword [ebp - 0x40], 0
je 0x454198
cmp dword [ebp - 0x44], 0
je 0x454198
cmp dword [ebp - 0x1c], 0
je 0x454189
mov eax, dword [ebp - 0x1c]
mov eax, dword [eax]
push eax
call dword [ebp - 0x44]
cmp dword [ebp - 0x18], 0
je 0x454198
mov eax, dword [ebp - 0x18]
mov eax, dword [eax]
push eax
call dword [ebp - 0x44]
ret
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4543fa
push 0
mov eax, dword [ebp - 0x14]
push eax
call fcn.004531b4
ret
push 0x57
call sub.kernel32.dll_SetLastError
jmp 0x4543fa
push 0x57
call sub.kernel32.dll_SetLastError
jmp 0x4543fa
xor esi, esi
test edi, edi
jne 0x4542a3
push 2
push 0
push 0
lea eax, [ebp - 0x1c]
push eax
call sub.kernel32.dll_GetCurrentProcess
push eax
call sub.kernel32.dll_GetCurrentThread
push eax
call sub.kernel32.dll_GetCurrentProcess
push eax
call sub.kernel32.dll_DuplicateHandle
test eax, eax
je 0x4542a3
xor eax, eax
mov dword [ebp - 0x18], eax
lea eax, [ebp - 0x18]
push eax
push 0
push 0
push 4
mov eax, dword [ebp - 0x1c]
push eax
call sub.advapi32.dll_GetKernelObjectSecurity
cmp dword [ebp - 0x18], 0
jbe 0x45429a
mov eax, dword [ebp - 0x18]
add eax, eax
call fcn.004026bc
mov esi, eax
lea eax, [ebp - 0x18]
push eax
mov eax, dword [ebp - 0x18]
add eax, eax
push eax
push esi
push 4
mov eax, dword [ebp - 0x1c]
push eax
call sub.advapi32.dll_GetKernelObjectSecurity
test eax, eax
je 0x45429a
mov dword [ebp - 0x94], 0xc
mov dword [ebp - 0x90], esi
xor eax, eax
mov dword [ebp - 0x8c], eax
lea edi, [ebp - 0x94]
mov eax, dword [ebp - 0x1c]
push eax
call sub.kernel32.dll_CloseHandle
call fcn.0045292c
call sub.kernel32.dll_GetCurrentProcessId
call fcn.00453cac
mov dword [ebp - 0x18], eax
push ebx
call fcn.004544bc
call fcn.00453cac
cmp eax, dword [ebp - 0x18]
je 0x4543d4
xor edx, edx
mov eax, 0x454480
call fcn.004523d4
mov dword [ebp - 0x2c], eax
cmp dword [ebp - 0x2c], 0
je 0x4543f3
test edi, edi
je 0x4542ee
mov eax, dword [edi + 4]
mov dword [ebp - 0x30], eax
jmp 0x4542f3
xor eax, eax
mov dword [ebp - 0x30], eax
xor eax, eax
mov dword [ebp - 0x34], eax
xor eax, eax
mov dword [ebp - 0x38], eax
cmp dword [ebp + 0x10], 0
je 0x454317
test byte [ebp + 0x1e], 1
je 0x454311
mov eax, dword [ebp + 0x10]
mov dword [ebp - 0x34], eax
jmp 0x454317
mov eax, dword [ebp + 0x10]
mov dword [ebp - 0x38], eax
push ebx
push 0x25
call fcn.0045309c
mov edi, eax
test edi, edi
je 0x4543f3
push esi
push edi
mov esi, 0x46576c
lea edi, [ebp - 0xdd]
mov ecx, 9
rep movsd dword es:[edi], dword [esi]
movsb byte es:[edi], byte [esi]
pop edi
pop esi
mov eax, dword [ebp + 0x14]
mov dword [ebp - 0xd8], eax
mov dword [ebp - 0xc8], edi
mov dl, 1
mov eax, 0x45449c
call fcn.004522d8
mov dword [ebp - 0xc3], eax
mov dl, 1
mov eax, 0x4544b0
call fcn.004522d8
mov dword [ebp - 0xbe], eax
lea eax, [ebp - 0x1c]
push eax
push 0x25
lea eax, [ebp - 0xdd]
push eax
push edi
push ebx
call dword [0x465708]
test eax, eax
je 0x4543cb
lea eax, [ebp - 0x28]
push eax
lea eax, [ebp - 0x18]
push eax
mov eax, dword [ebp + 0x18]
push eax
push edi
mov eax, dword [ebp - 0x38]
push eax
mov eax, dword [ebp - 0x34]
push eax
push 0
test byte [ebp + 0x1c], 4
setne al
neg al
sbb eax, eax
push eax
mov eax, dword [ebp - 0x30]
push eax
push ebx
call dword [ebp - 0x2c]
test eax, eax
jl 0x4543cb
mov eax, dword [ebp - 0x18]
mov dword [ebp - 4], eax
mov eax, dword [ebp + 0x20]
mov edx, dword [ebp - 0x24]
mov dword [eax], edx
jmp 0x4543f3
push ebx
push edi
call fcn.004531b4
jmp 0x4543f3
mov eax, dword [ebp + 0x20]
push eax
mov eax, dword [ebp + 0x1c]
push eax
mov eax, dword [ebp + 0x18]
push eax
mov eax, dword [ebp + 0x14]
push eax
mov eax, dword [ebp + 0x10]
push eax
push edi
push ebx
call dword [0x465714]
mov dword [ebp - 4], eax
mov eax, esi
call fcn.004026dc
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x454436
lea eax, [ebp - 0x160]
mov edx, dword [0x44fb4c]
mov ecx, 2
call fcn.00404aa4
lea eax, [ebp - 0x88]
mov edx, dword [0x44fb4c]
call fcn.00404a58
ret