Function at 0x1247480
Capabilities:
Check os version
Resolve function by parsing pe exports

Disassembly:
push ebp
mov ebp, esp
and esp, 0xffffffc0
push 0xffffffffffffffff
push 0x131ab50
mov eax, dword fs:[0]
push eax
sub esp, 0xac
mov eax, dword [0x13816ec]
xor eax, esp
mov dword [esp + 0x74], eax
push esi
push edi
mov eax, dword [0x13816ec]
xor eax, esp
push eax
lea eax, [esp + 0xb8]
mov dword fs:[0], eax
mov edi, ecx
mov eax, dword [edi]
mov esi, edx
mov edx, dword [eax + 0x44]
mov dword [esp + 0x34], edi
mov dword [esp + 0x2c], esi
call edx
mov dl, byte [ebx + 0x20]
mov ecx, eax
mov dword [esp + 0x30], ecx
test dl, dl
je 0x124750d
mov eax, dword [ebx + 0x24]
mov eax, dword [eax + 0x10]
cmp byte [eax + 0x38], 0
je 0x124750d
mov eax, dword [ebx + 0x18]
cmp dword [eax*4 + 0x13340c8], 0xa
jne 0x124750d
cmp dword [ebx + 0x1c], 3
je 0x124750d
push ebx
mov edx, esi
mov ecx, edi
call fcn.01247d80
add esp, 4
jmp 0x1247d14
mov edx, dword [ecx]
xor esi, esi
cmp dword [ebx + 0x1c], 3
push ebx
mov dword [esp + 0x44], esi
push edi
jne 0x1247526
mov eax, dword [edx + 0x14]
call eax
mov esi, eax
jmp 0x1247534
mov eax, dword [edx + 0x10]
call eax
test al, al
je 0x1247538
mov esi, 1
mov dword [esp + 0x40], esi
mov eax, dword [ebx + 0x38]
mov al, byte [eax + 0x1c]
mov byte [esp + 0x2b], al
test al, al
je 0x1247576
test esi, esi
jle 0x1247576
mov eax, dword [ebx + 0x14]
lea ecx, [eax*8]
or ecx, 2
push ecx
mov ecx, dword [esp + 0x30]
call fcn.0124ba00
push edi
mov edi, ebx
call fcn.01248160
mov ecx, dword [esp + 0x30]
add esp, 4
push eax
call fcn.0124ba00
mov dword [esp + 0x38], 0
test esi, esi
jle 0x1247d14
mov eax, dword [ebx + 0x18]
dec eax
cmp eax, 0x11
ja case.default.0x1247593
jmp dword [eax*4 + 0x1247d34]
cmp dword [ebx + 0x1c], 3
mov ecx, dword [esp + 0x30]
jne 0x12475bb
mov eax, dword [esp + 0x38]
mov edx, dword [ecx]
mov edx, dword [edx + 0x80]
push eax
mov eax, dword [esp + 0x38]
push ebx
push eax
call edx
jmp 0x12475c8
mov eax, dword [ecx]
mov edx, dword [esp + 0x34]
mov eax, dword [eax + 0x2c]
push ebx
push edx
call eax
cmp byte [esp + 0x2b], 0
je 0x12475ef
mov ecx, dword [esp + 0x2c]
test eax, eax
jns 0x12475e4
cdq
push edx
push eax
call fcn.0124bbf0
jmp case.default.0x1247593
push eax
call fcn.0124ba00
jmp case.default.0x1247593
mov esi, dword [esp + 0x2c]
mov edi, eax
mov eax, dword [ebx + 0x14]
call fcn.0123dfb0
jmp case.default.0x1247593
cmp dword [ebx + 0x1c], 3
mov ecx, dword [esp + 0x30]
jne 0x1247623
mov eax, dword [esp + 0x38]
mov edx, dword [ecx]
mov edx, dword [edx + 0x84]
push eax
mov eax, dword [esp + 0x38]
push ebx
push eax
call edx
jmp 0x1247630
mov eax, dword [ecx]
mov edx, dword [esp + 0x34]
mov eax, dword [eax + 0x30]
push ebx
push edx
call eax
cmp byte [esp + 0x2b], 0
push edx
push eax
je 0x1247647
mov ecx, dword [esp + 0x34]
call fcn.0124bbf0
jmp case.default.0x1247593
mov esi, dword [esp + 0x34]
mov eax, dword [ebx + 0x14]
call fcn.0123dff0
add esp, 8
jmp case.default.0x1247593
cmp dword [ebx + 0x1c], 3
mov ecx, dword [esp + 0x30]
jne 0x124767c
mov eax, dword [esp + 0x38]
mov edx, dword [ecx]
mov edx, dword [edx + 0x80]
push eax
mov eax, dword [esp + 0x38]
push ebx
push eax
call edx
jmp 0x1247689
mov eax, dword [ecx]
mov edx, dword [esp + 0x34]
mov eax, dword [eax + 0x2c]
push ebx
push edx
call eax
cmp byte [esp + 0x2b], 0
je 0x12476a9
mov ecx, eax
sar ecx, 0x1f
lea edx, [eax + eax]
xor ecx, edx
push ecx
mov ecx, dword [esp + 0x30]
call fcn.0124ba00
jmp case.default.0x1247593
mov esi, dword [esp + 0x2c]
mov edi, eax
mov eax, dword [ebx + 0x14]
call fcn.0123e040
jmp case.default.0x1247593
cmp dword [ebx + 0x1c], 3
mov ecx, dword [esp + 0x30]
jne 0x12476dd
mov edx, dword [esp + 0x38]
mov eax, dword [ecx]
mov eax, dword [eax + 0x84]
push edx
mov edx, dword [esp + 0x38]
push ebx
push edx
call eax
jmp 0x12476ea
mov edx, dword [ecx]
mov eax, dword [esp + 0x34]
mov edx, dword [edx + 0x30]
push ebx
push eax
call edx
cmp byte [esp + 0x2b], 0
je 0x1247705
mov ecx, dword [esp + 0x2c]
push ecx
push edx
push eax
call fcn.0123dbd0
add esp, 0xc
jmp case.default.0x1247593
mov esi, dword [esp + 0x2c]
push edx
push eax
mov eax, dword [ebx + 0x14]
call fcn.0123e070
add esp, 8
jmp case.default.0x1247593
cmp dword [ebx + 0x1c], 3
mov ecx, dword [esp + 0x30]
jne 0x124773c
mov eax, dword [esp + 0x38]
mov edx, dword [ecx]
mov edx, dword [edx + 0x88]
push eax
mov eax, dword [esp + 0x38]
push ebx
push eax
call edx
jmp 0x1247749
mov eax, dword [ecx]
mov edx, dword [esp + 0x34]
mov eax, dword [eax + 0x34]
push ebx
push edx
call eax
cmp byte [esp + 0x2b], 0
mov esi, eax
je 0x1247761
mov ecx, dword [esp + 0x2c]
push esi
call fcn.0124ba00
jmp case.default.0x1247593
mov ecx, dword [ebx + 0x14]
mov edi, dword [esp + 0x2c]
add ecx, ecx
add ecx, ecx
add ecx, ecx
push ecx
mov ecx, edi
call fcn.0124ba00
push esi
mov ecx, edi
call fcn.0124ba00
jmp case.default.0x1247593
cmp dword [ebx + 0x1c], 3
mov ecx, dword [esp + 0x30]
jne 0x12477a4
mov eax, dword [esp + 0x38]
mov edx, dword [ecx]
mov edx, dword [edx + 0x8c]
push eax
mov eax, dword [esp + 0x38]
push ebx
push eax
call edx
jmp 0x12477b1
mov eax, dword [ecx]
mov edx, dword [esp + 0x34]
mov eax, dword [eax + 0x38]
push ebx
push edx
call eax
cmp byte [esp + 0x2b], 0
push edx
push eax
je 0x12477c8
mov ecx, dword [esp + 0x34]
call fcn.0124bbf0
jmp case.default.0x1247593
mov esi, dword [esp + 0x34]
mov eax, dword [ebx + 0x14]
call fcn.0123dff0
add esp, 8
jmp case.default.0x1247593
cmp dword [ebx + 0x1c], 3
mov ecx, dword [esp + 0x30]
jne 0x12477fd
mov eax, dword [esp + 0x38]
mov edx, dword [ecx]
mov edx, dword [edx + 0x88]
push eax
mov eax, dword [esp + 0x38]
push ebx
push eax
call edx
jmp 0x124780a
mov eax, dword [ecx]
mov edx, dword [esp + 0x34]
mov eax, dword [eax + 0x34]
push ebx
push edx
call eax
cmp byte [esp + 0x2b], 0
push eax
je 0x1247823
mov eax, dword [esp + 0x30]
call fcn.0123dc00
add esp, 4
jmp case.default.0x1247593
mov ecx, dword [esp + 0x30]
mov eax, dword [ebx + 0x14]
call fcn.0123e140
add esp, 4
jmp case.default.0x1247593
cmp dword [ebx + 0x1c], 3
mov ecx, dword [esp + 0x30]
jne 0x1247858
mov eax, dword [esp + 0x38]
mov edx, dword [ecx]
mov edx, dword [edx + 0x8c]
push eax
mov eax, dword [esp + 0x38]
push ebx
push eax
call edx
jmp 0x1247865
mov eax, dword [ecx]
mov edx, dword [esp + 0x34]
mov eax, dword [eax + 0x38]
push ebx
push edx
call eax
cmp byte [esp + 0x2b], 0
push edx
push eax
je 0x124787f
mov ecx, dword [esp + 0x34]
call fcn.0123dc40
add esp, 8
jmp case.default.0x1247593
mov ecx, dword [ebx + 0x14]
push ecx
mov ecx, dword [esp + 0x38]
call fcn.0123e0b0
add esp, 0xc
jmp case.default.0x1247593
cmp dword [ebx + 0x1c], 3
mov ecx, dword [esp + 0x30]
jne 0x12478b5
mov eax, dword [esp + 0x38]
mov edx, dword [ecx]
mov edx, dword [edx + 0x80]
push eax
mov eax, dword [esp + 0x38]
push ebx
push eax
call edx
jmp 0x12478c2
mov eax, dword [ecx]
mov edx, dword [esp + 0x34]
mov eax, dword [eax + 0x2c]
push ebx
push edx
call eax
cmp byte [esp + 0x2b], 0
push eax
je 0x12478db
mov eax, dword [esp + 0x30]
call fcn.0123dc00
add esp, 4
jmp case.default.0x1247593
mov ecx, dword [esp + 0x30]
mov eax, dword [ebx + 0x14]
call fcn.0123e140
add esp, 4
jmp case.default.0x1247593
cmp dword [ebx + 0x1c], 3
mov ecx, dword [esp + 0x30]
jne 0x1247910
mov eax, dword [esp + 0x38]
mov edx, dword [ecx]
mov edx, dword [edx + 0x84]
push eax
mov eax, dword [esp + 0x38]
push ebx
push eax
call edx
jmp 0x124791d
mov eax, dword [ecx]
mov edx, dword [esp + 0x34]
mov eax, dword [eax + 0x30]
push ebx
push edx
call eax
cmp byte [esp + 0x2b], 0
push edx
push eax
je 0x1247937
mov ecx, dword [esp + 0x34]
call fcn.0123dc40
add esp, 8
jmp case.default.0x1247593
mov ecx, dword [ebx + 0x14]
push ecx
mov ecx, dword [esp + 0x38]
call fcn.0123e0b0
add esp, 0xc
jmp case.default.0x1247593
cmp dword [ebx + 0x1c], 3
mov ecx, dword [esp + 0x30]
jne 0x124796d
mov eax, dword [esp + 0x38]
mov edx, dword [ecx]
mov edx, dword [edx + 0x90]
push eax
mov eax, dword [esp + 0x38]
push ebx
push eax
call edx
jmp 0x124797a
mov eax, dword [ecx]
mov edx, dword [esp + 0x34]
mov eax, dword [eax + 0x3c]
push ebx
push edx
call eax
cmp byte [esp + 0x2b], 0
fstp dword [esp + 0x3c]
fld dword [esp + 0x3c]
push ecx
fstp dword [esp]
je 0x124799e
mov eax, dword [esp + 0x30]
call fcn.0123dcb0
add esp, 4
jmp case.default.0x1247593
mov ecx, dword [esp + 0x30]
mov eax, dword [ebx + 0x14]
call fcn.0123e190
add esp, 4
jmp case.default.0x1247593
cmp dword [ebx + 0x1c], 3
mov ecx, dword [esp + 0x30]
jne 0x12479d3
mov eax, dword [esp + 0x38]
mov edx, dword [ecx]
mov edx, dword [edx + 0x94]
push eax
mov eax, dword [esp + 0x38]
push ebx
push eax
call edx
jmp 0x12479e0
mov eax, dword [ecx]
mov edx, dword [esp + 0x34]
mov eax, dword [eax + 0x40]
push ebx
push edx
call eax
sub esp, 8
cmp byte [esp + 0x33], 0
fstp qword [esp]
je 0x12479fe
mov ecx, dword [esp + 0x34]
call fcn.0123dd00
add esp, 8
jmp case.default.0x1247593
mov ecx, dword [ebx + 0x14]
push ecx
mov ecx, dword [esp + 0x38]
call fcn.0123e1f0
add esp, 0xc
jmp case.default.0x1247593
cmp dword [ebx + 0x1c], 3
mov ecx, dword [esp + 0x30]
jne 0x1247a34
mov eax, dword [esp + 0x38]
mov edx, dword [ecx]
mov edx, dword [edx + 0x98]
push eax
mov eax, dword [esp + 0x38]
push ebx
push eax
call edx
jmp 0x1247a41
mov eax, dword [ecx]
mov edx, dword [esp + 0x34]
mov eax, dword [eax + 0x44]
push ebx
push edx
call eax
cmp byte [esp + 0x2b], 0
mov byte [esp + 0x44], al
je 0x1247a62
xor ecx, ecx
test al, al
setne cl
push ecx
mov ecx, dword [esp + 0x30]
call fcn.0124ba00
jmp case.default.0x1247593
mov edx, dword [esp + 0x44]
mov esi, dword [esp + 0x2c]
mov eax, dword [ebx + 0x14]
push edx
call fcn.0123e280
add esp, 4
jmp case.default.0x1247593
cmp dword [ebx + 0x1c], 3
mov ecx, dword [esp + 0x30]
jne 0x1247a9c
mov edx, dword [esp + 0x38]
mov eax, dword [ecx]
mov eax, dword [eax + 0xa4]
push edx
mov edx, dword [esp + 0x38]
push ebx
push edx
call eax
jmp 0x1247aab
mov edx, dword [ecx]
mov eax, dword [esp + 0x34]
mov edx, dword [edx + 0x50]
push 0
push ebx
push eax
call edx
mov ecx, dword [esp + 0x2c]
mov edi, eax
mov eax, dword [ebx + 0x14]
lea esi, [eax*8]
mov eax, esi
or eax, 3
push eax
call fcn.0124ba00
mov edx, dword [edi]
mov eax, dword [esp + 0x2c]
mov edx, dword [edx + 0x24]
push eax
mov ecx, edi
call edx
mov ecx, dword [esp + 0x2c]
or esi, 4
push esi
call fcn.0124ba00
jmp case.default.0x1247593
cmp dword [ebx + 0x1c], 3
mov ecx, dword [esp + 0x30]
jne 0x1247b18
mov edx, dword [esp + 0x38]
mov eax, dword [ecx]
mov eax, dword [eax + 0xa4]
push edx
mov edx, dword [esp + 0x38]
push ebx
push edx
call eax
mov edi, dword [esp + 0x2c]
mov esi, eax
mov eax, dword [ebx + 0x14]
call fcn.0123e320
jmp case.default.0x1247593
mov edx, dword [ecx]
mov eax, dword [esp + 0x34]
mov edx, dword [edx + 0x50]
push 0
push ebx
push eax
call edx
mov edi, dword [esp + 0x2c]
mov esi, eax
mov eax, dword [ebx + 0x14]
call fcn.0123e320
jmp case.default.0x1247593
cmp dword [ebx + 0x1c], 3
mov ecx, dword [esp + 0x30]
jne 0x1247b5b
mov edx, dword [esp + 0x38]
mov eax, dword [ecx]
mov eax, dword [eax + 0xa0]
push edx
mov edx, dword [esp + 0x38]
push ebx
push edx
call eax
jmp 0x1247b68
mov edx, dword [ecx]
mov eax, dword [esp + 0x34]
mov edx, dword [edx + 0x4c]
push ebx
push eax
call edx
cmp byte [esp + 0x2b], 0
je 0x1247b77
mov eax, dword [eax + 8]
jmp 0x12475cf
mov edi, dword [eax + 8]
mov esi, dword [esp + 0x2c]
mov eax, dword [ebx + 0x14]
call fcn.0123dfb0
jmp case.default.0x1247593
xor eax, eax
mov dword [esp + 0x78], 0xf
mov dword [esp + 0x74], eax
mov byte [esp + 0x64], al
mov ecx, dword [esp + 0x30]
mov dword [esp + 0xc0], eax
cmp dword [ebx + 0x1c], 3
jne 0x1247bca
mov eax, dword [ecx]
mov eax, dword [eax + 0xa8]
lea edx, [esp + 0x64]
push edx
mov edx, dword [esp + 0x3c]
push edx
mov edx, dword [esp + 0x3c]
push ebx
push edx
call eax
jmp 0x1247bdc
mov edx, dword [ecx]
mov edx, dword [edx + 0x54]
lea eax, [esp + 0x64]
push eax
mov eax, dword [esp + 0x38]
push ebx
push eax
call edx
mov edi, dword [esp + 0x2c]
mov esi, eax
mov eax, dword [ebx + 0x14]
add eax, eax
add eax, eax
add eax, eax
or eax, 2
push eax
mov ecx, edi
call fcn.0124ba00
mov eax, dword [esi + 0x10]
push eax
mov ecx, edi
call fcn.0124ba00
cmp dword [esi + 0x14], 0x10
mov eax, dword [esi + 0x10]
jb 0x1247c0c
mov esi, dword [esi]
push esi
mov esi, edi
call fcn.0124b880
mov dword [esp + 0xc0], 0xffffffff
cmp dword [esp + 0x78], 0x10
jb case.default.0x1247593
mov ecx, dword [esp + 0x64]
push ecx
call fcn.012a8a36
add esp, 4
jmp case.default.0x1247593
mov dword [esp + 0x5c], 0xf
mov dword [esp + 0x58], 0
mov byte [esp + 0x48], 0
mov ecx, dword [esp + 0x30]
mov dword [esp + 0xc0], 1
cmp dword [ebx + 0x1c], 3
jne 0x1247c82
mov edx, dword [ecx]
mov edx, dword [edx + 0xa8]
lea eax, [esp + 0x48]
push eax
mov eax, dword [esp + 0x3c]
push eax
mov eax, dword [esp + 0x3c]
push ebx
push eax
call edx
jmp 0x1247c94
mov eax, dword [ecx]
mov eax, dword [eax + 0x54]
lea edx, [esp + 0x48]
push edx
mov edx, dword [esp + 0x38]
push ebx
push edx
call eax
mov edi, dword [esp + 0x2c]
mov esi, eax
mov eax, dword [ebx + 0x14]
lea ecx, [eax*8]
or ecx, 2
push ecx
mov ecx, edi
call fcn.0124ba00
mov eax, dword [esi + 0x10]
push eax
mov ecx, edi
call fcn.0124ba00
cmp dword [esi + 0x14], 0x10
mov eax, dword [esi + 0x10]
jb 0x1247cc5
mov esi, dword [esi]
push esi
mov esi, edi
call fcn.0124b880
mov dword [esp + 0xc0], 0xffffffff
cmp dword [esp + 0x5c], 0x10
jb 0x1247cec
mov edx, dword [esp + 0x48]
push edx
call fcn.012a8a36
add esp, 4
mov dword [esp + 0x5c], 0xf
mov dword [esp + 0x58], 0
mov byte [esp + 0x48], 0
mov eax, dword [esp + 0x38]
inc eax
mov dword [esp + 0x38], eax
cmp eax, dword [esp + 0x40]
jl 0x1247586
mov ecx, dword [esp + 0xb8]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [esp + 0x74]
xor ecx, esp
call fcn.012a8a41
mov esp, ebp
pop ebp
ret