Function at 0x4a8a20
Capabilities:
Check os version

Disassembly:
push 0xffffffffffffffff
push 0x4d260f
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x398
push ebx
push ebp
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetVersionExA]
mov ebx, ecx
push edi
mov ecx, 0x27
xor eax, eax
lea edi, [esp + 0x1e4]
xor ebp, ebp
rep stosd dword es:[edi], eax
lea eax, [esp + 0x1e4]
mov dword [esp + 0x68], ebx
push eax
mov dword [esp + 0x74], ebp
mov dword [esp + 0x1e8], 0x9c
call esi
cmp eax, ebp
jne 0x4a8a97
lea ecx, [esp + 0x1e4]
mov dword [esp + 0x1e4], 0x94
push ecx
call esi
test eax, eax
je 0x4a9c5b
mov eax, dword [esp + 0x1f4]
sub eax, ebp
je 0x4a9203
dec eax
je 0x4a9146
dec eax
jne 0x4a9217
cmp dword [esp + 0x1e8], 4
ja 0x4a8acb
push str.Microsoft_Windows_NT
lea ecx, [ebx + 8]
call fcn.004caa2e
mov eax, dword [esp + 0x1e8]
mov edi, 5
cmp eax, edi
mov esi, 7
jne 0x4a8b4f
cmp dword [esp + 0x1ec], ebp
jne 0x4a8b08
push str.Microsoft_Windows_2000
lea ecx, [ebx + 8]
call fcn.004caa2e
mov eax, dword [esp + 0x1e8]
mov dword [ebx + 4], 6
cmp eax, edi
jne 0x4a8b4f
cmp dword [esp + 0x1ec], 1
jne 0x4a8b2d
push str.Microsoft_Windows_XP
lea ecx, [ebx + 8]
call fcn.004caa2e
mov eax, dword [esp + 0x1e8]
mov dword [ebx + 4], esi
cmp eax, edi
jne 0x4a8b4f
cmp dword [esp + 0x1ec], 2
jne 0x4a8e14
push str.Microsoft_Windows_2003
lea ecx, [ebx + 8]
call fcn.004caa2e
mov dword [ebx + 4], 8
cmp dword [esp + 0x1e8], 4
ja 0x4a8e14
mov dword [esp + 0x160], 0x4fad14
mov dword [esp + 0x1d4], ebp
mov dword [esp + 0x1b0], 0x4fad10
mov dword [esp + 0x70], 1
mov edx, dword [0x4fad18]
mov dword [esp + 0x3b0], ebp
mov dword [esp + edx + 0x160], 0x4fad0c
mov eax, dword [esp + 0x160]
lea edx, [esp + 0x164]
mov ecx, dword [eax + 4]
mov dword [esp + ecx + 0x188], edx
mov dword [esp + ecx + 0x18c], ebp
mov byte [esp + ecx + 0x190], 0x20
lea esi, [esp + ecx + 0x160]
mov ecx, esi
call fcn.004c8b70
cmp dword [esi + 0x28], ebp
jne 0x4a8be4
mov eax, dword [esi + 4]
push ebp
or al, 4
mov ecx, esi
or al, 4
push eax
call fcn.004c8890
lea eax, [esp + 0x164]
mov dword [esp + 0x3b0], 2
mov dword [esp + 0x68], eax
call fcn.004c8db0
lea ecx, [esp + 0x64]
mov dword [esp + 0x198], eax
call fcn.004c8c4d
mov ecx, dword [0x558578]
call fcn.004a9c90
lea ecx, [esp + 0x64]
call fcn.004c8ce9
mov ebp, 0x4facd8
lea ecx, [esp + 0x164]
mov byte [esp + 0x3b0], 3
mov dword [esp + 0x164], ebp
call fcn.004aad80
push 4
mov edi, 0x4faca4
push 0
push 0
lea ecx, [esp + 0x170]
mov byte [esp + 0x3bc], 4
mov dword [esp + 0x170], edi
call fcn.004aaca0
mov ecx, dword [esp + 0x160]
mov esi, 0x4faca0
mov edx, dword [ecx + 4]
mov dword [esp + edx + 0x160], esi
mov eax, dword [esp + 0x1f0]
mov edx, dword [esp + 0x1ec]
and eax, 0xffff
push 0x53cdf8
push eax
mov eax, dword [esp + 0x1f0]
lea ecx, [esp + 0x200]
push str.__Build
push ecx
push 0x53cde8
push edx
push 0x53cde4
push eax
lea ecx, [esp + 0x180]
push str.version
push ecx
mov dword [esp + 0x3d8], 5
call fcn.004aade0
add esp, 8
mov ecx, eax
call fcn.004a9d50
push eax
call fcn.004aade0
add esp, 8
mov ecx, eax
call fcn.004a9d50
push eax
call fcn.004aade0
add esp, 8
push eax
call fcn.004aade0
add esp, 8
push eax
call fcn.004aade0
add esp, 8
mov ecx, eax
call fcn.004a9d50
push eax
call fcn.004aade0
add esp, 8
mov ecx, eax
push 0
call fcn.004aa070
mov eax, dword [esp + 0x1e8]
cmp eax, 4
jne 0x4a8d38
mov dword [ebx + 4], 5
jmp 0x4a8d4e
cmp eax, 3
jne 0x4a8d4e
cmp dword [esp + 0x1ec], 0x33
jne 0x4a8d4e
mov dword [ebx + 4], 4
mov eax, dword [esp + 0x160]
lea edx, [esp + 0x1b0]
mov dword [esp + 0x68], edx
mov ecx, dword [eax + 4]
mov dword [esp + ecx + 0x160], esi
mov al, byte [esp + 0x1a8]
mov dword [esp + 0x3b0], 6
test al, 1
mov dword [esp + 0x164], edi
je 0x4a8d99
mov edx, dword [esp + 0x170]
mov eax, dword [edx]
push eax
call fcn.004ca556
add esp, 4
mov ecx, dword [esp + 0x1a8]
mov dword [esp + 0x1a0], 0
and ecx, 0xfffffffe
mov dword [esp + 0x164], ebp
mov dword [esp + 0x1a8], ecx
mov ecx, dword [esp + 0x198]
test ecx, ecx
je 0x4a8dd8
call fcn.004a9cc0
test eax, eax
je 0x4a8dd8
mov edx, dword [eax]
push 1
mov ecx, eax
call dword [edx]
mov eax, dword [esp + 0x160]
mov dword [esp + 0x3b0], 0xffffffff
mov ecx, dword [eax + 4]
mov dword [esp + ecx + 0x160], 0x4fad0c
lea ecx, [esp + 0x1b0]
mov dword [esp + 0x1b0], 0x4fad10
call fcn.004c8afe
jmp 0x4a9217
xor edi, edi
mov dword [esp + 0xdc], 0x4fad14
mov dword [esp + 0x150], edi
mov dword [esp + 0x12c], 0x4fad10
mov dword [esp + 0x70], 4
mov edx, dword [0x4fad18]
mov dword [esp + 0x3b0], esi
mov ebx, 0x20
mov dword [esp + edx + 0xdc], 0x4fad0c
mov eax, dword [esp + 0xdc]
lea edx, [esp + 0xe0]
mov ecx, dword [eax + 4]
mov dword [esp + ecx + 0x104], edx
mov dword [esp + ecx + 0x108], edi
mov byte [esp + ecx + 0x10c], bl
lea esi, [esp + ecx + 0xdc]
mov ecx, esi
call fcn.004c8b70
cmp dword [esi + 0x28], edi
jne 0x4a8ea1
mov eax, dword [esi + 4]
push edi
or al, 4
mov ecx, esi
or al, 4
push eax
call fcn.004c8890
lea eax, [esp + 0xe0]
mov dword [esp + 0x3b0], 9
mov dword [esp + 0x74], eax
call fcn.004c8db0
lea ecx, [esp + 0x6c]
mov dword [esp + 0x114], eax
call fcn.004c8c4d
mov esi, dword [0x558578]
lea ecx, [esp + 0x64]
call fcn.004c8c4d
mov eax, dword [esi + 4]
cmp eax, 0xffffffff
jae 0x4a8ee7
inc eax
mov dword [esi + 4], eax
lea ecx, [esp + 0x64]
call fcn.004c8ce9
lea ecx, [esp + 0x6c]
call fcn.004c8ce9
lea ecx, [esp + 0xe4]
lea edx, [esp + 0xe8]
mov dword [esp + 0xec], ecx
lea eax, [esp + 0xf4]
lea ecx, [esp + 0xf8]
xor esi, esi
mov dword [esp + 0xf0], edx
mov dword [esp + 0xfc], eax
mov ebp, 0x4facd8
mov dword [esp + 0x100], ecx
lea edx, [esp + 0x104]
lea eax, [esp + 0x108]
push esi
push esi
lea ecx, [esp + 0xe8]
mov byte [esp + 0x3b8], 0xa
mov dword [esp + 0xe8], ebp
mov dword [esp + 0x114], edx
mov dword [esp + 0x118], eax
call fcn.004aac00
push esi
push esi
push esi
lea ecx, [esp + 0xec]
call fcn.004aabe0
mov ecx, dword [esp + 0xec]
mov edi, 0x4faca4
mov dword [esp + 0xe0], edi
mov dword [esp + 0x118], esi
mov dword [esp + 0x11c], esi
mov dword [esp + 0x120], ebx
mov dword [esp + 0x124], 4
mov dword [ecx], esi
mov edx, dword [esp + 0xfc]
mov dword [edx], esi
mov eax, dword [esp + 0x10c]
mov dword [eax], esi
mov ecx, dword [esp + 0xf0]
mov dword [ecx], esi
mov edx, dword [esp + 0x100]
mov dword [edx], esi
mov eax, dword [esp + 0x110]
mov dword [eax], esi
mov ecx, dword [esp + 0xdc]
mov esi, 0x4faca0
mov edx, dword [ecx + 4]
mov dword [esp + edx + 0xdc], esi
mov eax, dword [esp + 0x1f0]
push 0x53cdd4
and eax, 0xffff
lea ecx, [esp + 0x1fc]
push eax
push str.__Build
lea edx, [esp + 0xe8]
push ecx
push edx
mov dword [esp + 0x3c4], 0xc
call fcn.004aade0
add esp, 8
push eax
call fcn.004aade0
add esp, 8
mov ecx, eax
call fcn.004a9d50
push eax
call fcn.004aade0
add esp, 8
mov ecx, eax
push 0
call fcn.004aa070
mov ecx, dword [esp + 0xdc]
lea eax, [esp + 0x12c]
mov dword [esp + 0x74], eax
mov edx, dword [ecx + 4]
mov dword [esp + edx + 0xdc], esi
mov al, byte [esp + 0x124]
mov dword [esp + 0x3b0], 0xd
test al, 1
mov dword [esp + 0xe0], edi
je 0x4a909f
mov eax, dword [esp + 0xec]
mov eax, dword [eax]
push eax
call fcn.004ca556
add esp, 4
mov ecx, dword [esp + 0x124]
mov edi, dword [esp + 0x114]
and ecx, 0xfffffffe
mov dword [esp + 0x11c], 0
test edi, edi
mov dword [esp + 0x124], ecx
mov dword [esp + 0xe0], ebp
je 0x4a9106
lea ecx, [esp + 0x6c]
call fcn.004c8c4d
mov eax, dword [edi + 4]
test eax, eax
jbe 0x4a90e6
cmp eax, 0xffffffff
jae 0x4a90e6
dec eax
mov dword [edi + 4], eax
mov esi, dword [edi + 4]
lea ecx, [esp + 0x6c]
neg esi
sbb esi, esi
not esi
and esi, edi
call fcn.004c8ce9
test esi, esi
je 0x4a9106
mov edx, dword [esi]
push 1
mov ecx, esi
call dword [edx]
mov eax, dword [esp + 0xdc]
mov dword [esp + 0x3b0], 0xffffffff
mov ecx, dword [eax + 4]
mov dword [esp + ecx + 0xdc], 0x4fad0c
lea ecx, [esp + 0x12c]
mov dword [esp + 0x12c], 0x4fad10
call fcn.004c8afe
mov ebx, dword [esp + 0x68]
jmp 0x4a9217
cmp dword [esp + 0x1e8], 4
jne 0x4a9217
cmp dword [esp + 0x1ec], ebp
jne 0x4a91a1
lea esi, [ebx + 8]
push str.Microsoft_Windows_95
mov ecx, esi
call fcn.004caa2e
mov eax, dword [esp + 0x1f9]
cmp al, 0x43
jne 0x4a917e
push str.OSR2
jmp 0x4a918b
push eax
mov ecx, esi
call fcn.004caa55
push 0x53cde8
mov ecx, esi
call fcn.004caa2e
mov eax, dword [esp + 0x1e8]
mov dword [ebx + 4], ebp
cmp eax, 4
jne 0x4a9217
cmp dword [esp + 0x1ec], 0xa
jne 0x4a91e3
lea esi, [ebx + 8]
push str.Microsoft_Windows_98
mov ecx, esi
call fcn.004caa2e
cmp byte [esp + 0x1f9], 0x41
jne 0x4a91d0
push 0x53cd98
mov ecx, esi
call fcn.004caa2e
mov eax, dword [esp + 0x1e8]
mov dword [ebx + 4], 1
cmp eax, 4
jne 0x4a9217
cmp dword [esp + 0x1ec], 0x5a
jne 0x4a9217
push str.Microsoft_Windows_Me
lea ecx, [ebx + 8]
call fcn.004caa2e
mov dword [ebx + 4], 2
jmp 0x4a9217
push str.Microsoft_Win32s
lea ecx, [ebx + 8]
call fcn.004caa2e
mov dword [ebx + 4], 3
mov ecx, 0x4a
xor eax, eax
lea edi, [esp + 0x280]
rep stosd dword es:[edi], eax
mov ecx, 0x19
lea edi, [esp + 0x78]
rep stosd dword es:[edi], eax
mov ecx, 0x14
lea edi, [esp + 0x14]
rep stosd dword es:[edi], eax
lea ecx, [esp + 0x10]
call fcn.004a66d0
lea edx, [esp + 0x280]
lea ecx, [esp + 0x10]
push edx
mov dword [esp + 0x3b4], 0xe
call fcn.004a66f0
test eax, eax
je 0x4a9c01
mov eax, dword [esp + 0x320]
dec eax
cmp eax, 4
ja case.default.0x4a927b
jmp dword [eax*4 + 0x4a9c74]
lea ecx, [esp + 0x14]
push 0x53cd68
push ecx
jmp 0x4a939f
lea ecx, [esp + 0x14]
push 0x53cd60
push ecx
jmp 0x4a939f
lea ecx, [esp + 0x14]
push str.Windows_CE
push ecx
jmp 0x4a939f
lea ecx, [esp + 0x280]
push ecx
lea ecx, [esp + 0x14]
call fcn.004a6a40
test eax, eax
je 0x4a92d3
lea edx, [esp + 0x14]
push str.Windows_95
push edx
jmp 0x4a939f
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a6a80
test eax, eax
je 0x4a92f7
lea ecx, [esp + 0x14]
push str.Windows_95_SP1
push ecx
jmp 0x4a939f
lea edx, [esp + 0x280]
lea ecx, [esp + 0x10]
push edx
call fcn.004a6ac0
test eax, eax
je 0x4a9316
push str.Windows_95_OSR2
jmp 0x4a939a
lea ecx, [esp + 0x280]
push ecx
lea ecx, [esp + 0x14]
call fcn.004a6b00
test eax, eax
je 0x4a9337
lea edx, [esp + 0x14]
push str.Windows_98
push edx
jmp 0x4a939f
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a6b40
test eax, eax
je 0x4a9358
lea ecx, [esp + 0x14]
push str.Windows_98_SP1
push ecx
jmp 0x4a939f
lea edx, [esp + 0x280]
lea ecx, [esp + 0x10]
push edx
call fcn.004a6b80
test eax, eax
je 0x4a9374
push str.Windows_98_Second_Edition
jmp 0x4a939a
lea ecx, [esp + 0x280]
push ecx
lea ecx, [esp + 0x14]
call fcn.004a6bc0
test eax, eax
je 0x4a9395
lea edx, [esp + 0x14]
push str.Windows_Millenium_Edition
push edx
jmp 0x4a939f
push str.Windows___
lea eax, [esp + 0x18]
push eax
call fcn.004bc443
lea edi, [esp + 0x1c]
or ecx, 0xffffffff
xor eax, eax
add esp, 8
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x78]
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
lea eax, [esp + 0x14]
and ecx, 3
rep movsb byte es:[edi], byte [esi]
jmp 0x4a9a9b
lea ecx, [esp + 0x280]
push ecx
lea ecx, [esp + 0x14]
call fcn.004a6ee0
test eax, eax
je 0x4a951f
lea edx, [esp + 0x14]
push str.Windows_NT
push edx
call fcn.004bc443
lea edi, [esp + 0x1c]
or ecx, 0xffffffff
xor eax, eax
add esp, 8
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x78]
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
lea eax, [esp + 0x280]
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
lea ecx, [esp + 0x14]
call fcn.004a7020
test eax, eax
je 0x4a9451
push str._Workstation
jmp 0x4a94a3
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a6f60
test eax, eax
je 0x4a946d
push str._Server
jmp 0x4a94a3
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a6f10
test eax, eax
je 0x4a9489
push str._Primary_Domain_Controller
jmp 0x4a94a3
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a6fb0
test eax, eax
je 0x4a94dd
push str._Backup_Domain_Controller
lea ecx, [esp + 0x18]
push ecx
call fcn.004bc443
lea edi, [esp + 0x1c]
or ecx, 0xffffffff
xor eax, eax
add esp, 8
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x78]
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a70a0
test eax, eax
je 0x4a94fc
push str._Datacenter
jmp 0x4a9a5d
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a7070
test eax, eax
je 0x4a9a97
push str._Enterprise
jmp 0x4a9a5d
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a6bf0
test eax, eax
je 0x4a9691
lea ecx, [esp + 0x14]
push str.Windows_2000
push ecx
call fcn.004bc443
lea edi, [esp + 0x1c]
or ecx, 0xffffffff
xor eax, eax
add esp, 8
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x78]
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
lea eax, [esp + 0x280]
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
lea ecx, [esp + 0x14]
call fcn.004a70f0
test eax, eax
je 0x4a9593
push str._Professional
jmp 0x4a95c9
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a7140
test eax, eax
je 0x4a95af
push str._Server
jmp 0x4a95c9
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a71f0
test eax, eax
je 0x4a9603
push str._Domain_Controller
lea ecx, [esp + 0x18]
push ecx
call fcn.004bc443
lea edi, [esp + 0x1c]
or ecx, 0xffffffff
xor eax, eax
add esp, 8
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x78]
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a71c0
test eax, eax
je 0x4a961f
push str._Datacenter
jmp 0x4a9639
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a7190
test eax, eax
je 0x4a9673
push str._Advanced_Server
lea ecx, [esp + 0x18]
push ecx
call fcn.004bc443
lea edi, [esp + 0x1c]
or ecx, 0xffffffff
xor eax, eax
add esp, 8
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x78]
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a7000
test eax, eax
je 0x4a9855
jmp 0x4a9816
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a6c20
test eax, eax
je 0x4a9878
lea ecx, [esp + 0x14]
push str.Windows_XP
push ecx
call fcn.004bc443
lea edi, [esp + 0x1c]
or ecx, 0xffffffff
xor eax, eax
add esp, 8
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x78]
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
lea eax, [esp + 0x280]
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
lea ecx, [esp + 0x14]
call fcn.004a7240
test eax, eax
je 0x4a9705
push str._Personal
jmp 0x4a9757
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a7270
test eax, eax
je 0x4a9721
push str._Professional
jmp 0x4a9757
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a72c0
test eax, eax
je 0x4a973d
push str._Server
jmp 0x4a9757
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a7370
test eax, eax
je 0x4a9791
push str._Domain_Controller
lea ecx, [esp + 0x18]
push ecx
call fcn.004bc443
lea edi, [esp + 0x1c]
or ecx, 0xffffffff
xor eax, eax
add esp, 8
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x78]
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a7340
test eax, eax
je 0x4a97ad
push str._Datacenter
jmp 0x4a97c7
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a7310
test eax, eax
je 0x4a9801
push str._Advanced_Server
lea ecx, [esp + 0x18]
push ecx
call fcn.004bc443
lea edi, [esp + 0x1c]
or ecx, 0xffffffff
xor eax, eax
add esp, 8
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x78]
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a7000
test eax, eax
je 0x4a9855
lea ecx, [esp + 0x14]
push str._Terminal_Services
push ecx
call fcn.004bc443
lea edi, [esp + 0x1c]
or ecx, 0xffffffff
xor eax, eax
add esp, 8
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x78]
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a7010
test eax, eax
je 0x4a9a97
push str._BackOffice_Small_Business_Edition
jmp 0x4a9a5d
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a6c50
test eax, eax
je 0x4a9a97
lea ecx, [esp + 0x14]
push str.Windows_2003
push ecx
call fcn.004bc443
lea edi, [esp + 0x1c]
or ecx, 0xffffffff
xor eax, eax
add esp, 8
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x78]
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
lea eax, [esp + 0x280]
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
lea ecx, [esp + 0x14]
call fcn.004a7240
test eax, eax
je 0x4a98ec
push str._Personal
jmp 0x4a993e
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a7270
test eax, eax
je 0x4a9908
push str._Professional
jmp 0x4a993e
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a72c0
test eax, eax
je 0x4a9924
push str._Server
jmp 0x4a993e
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a7370
test eax, eax
je 0x4a9978
push str._Domain_Controller
lea ecx, [esp + 0x18]
push ecx
call fcn.004bc443
lea edi, [esp + 0x1c]
or ecx, 0xffffffff
xor eax, eax
add esp, 8
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x78]
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a7340
test eax, eax
je 0x4a9994
push str._Datacenter
jmp 0x4a99ae
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a7310
test eax, eax
je 0x4a99e8
push str._Advanced_Server
lea ecx, [esp + 0x18]
push ecx
call fcn.004bc443
lea edi, [esp + 0x1c]
or ecx, 0xffffffff
xor eax, eax
add esp, 8
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x78]
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a7000
test eax, eax
je 0x4a9a3c
lea ecx, [esp + 0x14]
push str._Terminal_Services
push ecx
call fcn.004bc443
lea edi, [esp + 0x1c]
or ecx, 0xffffffff
xor eax, eax
add esp, 8
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x78]
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea eax, [esp + 0x280]
lea ecx, [esp + 0x10]
push eax
call fcn.004a7010
test eax, eax
je 0x4a9a97
push str._BackOffice_Small_Business_Edition
jmp 0x4a9a5d
push str.Unknown_OS
lea ecx, [esp + 0x18]
push ecx
call fcn.004bc443
lea edi, [esp + 0x1c]
or ecx, 0xffffffff
xor eax, eax
add esp, 8
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x78]
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea eax, [esp + 0x78]
push eax
lea ecx, [ebx + 0x10]
call fcn.004ca929
mov ecx, dword [esp + 0x314]
lea edx, [esp + 0x14]
push ecx
push 0x53cb9c
push edx
call fcn.004bc443
lea edi, [esp + 0x20]
or ecx, 0xffffffff
xor eax, eax
add esp, 0xc
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x78]
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
lea ebp, [ebx + 0x14]
and ecx, 3
lea eax, [esp + 0x14]
rep movsb byte es:[edi], byte [esi]
push eax
mov ecx, ebp
call fcn.004ca929
mov ecx, dword [esp + 0x318]
lea edx, [esp + 0x14]
push ecx
push str._02d
push edx
call fcn.004bc443
lea edi, [esp + 0x20]
or ecx, 0xffffffff
xor eax, eax
add esp, 0xc
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x78]
mov esi, edi
mov edi, edx
mov edx, ecx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, edx
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
lea eax, [esp + 0x14]
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
mov ecx, ebp
call fcn.004ca929
mov eax, dword [esp + 0x31c]
test eax, eax
je 0x4a9ba5
push eax
lea ecx, [esp + 0x18]
push 0x53cb90
push ecx
call fcn.004bc443
lea edi, [esp + 0x20]
or ecx, 0xffffffff
xor eax, eax
add esp, 0xc
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x78]
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
lea eax, [esp + 0x14]
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
lea ecx, [ebx + 0xc]
call fcn.004ca929
mov eax, dword [esp + 0x3a4]
test ax, ax
je 0x4a9c47
and eax, 0xffff
lea ecx, [esp + 0x14]
push eax
push str.Service_Pack__d
push ecx
call fcn.004bc443
lea edi, [esp + 0x20]
or ecx, 0xffffffff
xor eax, eax
add esp, 0xc
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
lea edx, [esp + 0x78]
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
lea eax, [esp + 0x14]
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
jmp 0x4a9c3f
lea ecx, [esp + 0x78]
push str.Failed_in_call_to_GetOSVersion
push ecx
call fcn.004bc443
add esp, 8
lea edx, [esp + 0x78]
lea ecx, [ebx + 0x10]
push edx
call fcn.004ca929
push str.unknown
lea ecx, [ebx + 0xc]
call fcn.004ca929
push str.unknown
lea ecx, [ebx + 0x14]
call fcn.004ca929
push str.unknown
lea ecx, [ebx + 0x18]
call fcn.004ca929
lea ecx, [esp + 0x10]
mov dword [esp + 0x3b0], 0xffffffff
call fcn.004a66e0
mov ecx, dword [esp + 0x3a8]
pop edi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x3a4
ret