Function at 0x64f380
Capabilities:
Check os version
Resolve function by parsing pe exports

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x96cc28
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x94
push ebx
push esi
mov esi, ecx
push edi
lea ecx, [esp + 0x7c]
call fcn.00911f0c
xor edi, edi
lea ecx, [esp + 0x68]
mov dword [esp + 0xa8], edi
call fcn.00911f0c
mov bl, 1
lea ecx, [esp + 0x4c]
mov byte [esp + 0xa8], bl
call fcn.00911f0c
lea eax, [esi + 0x24564]
lea ecx, [esp + 0x4c]
push eax
mov byte [esp + 0xac], 2
mov dword [esp + 0x54], edi
mov dword [esp + 0x40], edi
mov dword [esp + 0x44], edi
mov dword [esp + 0x30], edi
mov dword [esp + 0x34], edi
mov dword [esp + 0x38], edi
mov dword [esp + 0x3c], edi
mov dword [esp + 0x60], edi
mov dword [esp + 0x64], edi
mov dword [esp + 0x78], edi
mov dword [esp + 0x7c], edi
mov dword [esp + 0x48], edi
mov dword [esp + 0x4c], edi
mov dword [esp + 0x18], edi
mov dword [esp + 0x1c], edi
mov dword [esp + 0x20], edi
mov dword [esp + 0x24], edi
mov dword [esp + 0x58], edi
mov dword [esp + 0x5c], edi
mov dword [esp + 0x70], edi
mov dword [esp + 0x74], edi
mov dword [esp + 0x98], edi
mov dword [esp + 0x9c], edi
call fcn.00911f06
lea ecx, [esi + 0x245c9]
push ecx
lea ecx, [esp + 0x6c]
call fcn.00911f06
mov eax, dword [ebp + 8]
movsx edx, word [esi + 0x24542]
lea edi, [eax + 1]
mov eax, dword [esi + 0x259e4]
cmp edi, eax
mov dword [esp + 0x80], edx
mov dword [esp + 0x84], edi
jge 0x64fda4
push edi
mov ecx, esi
call fcn.00650dc0
cmp word [esi + 0x245de], 0x11
jl 0x64f4ac
mov edx, dword [esp + 0x50]
mov eax, dword [esi + 0x259e4]
inc edx
inc edi
cmp edi, eax
mov dword [esp + 0x50], edx
jl 0x64f486
mov eax, dword [esp + 0x50]
test eax, eax
jle 0x64fda4
mov ebx, dword [esp + 0x84]
mov dword [esp + 0x88], eax
push ebx
mov ecx, esi
call fcn.00650dc0
fld qword [esi + 0x24548]
call fcn.00912a20
mov ecx, dword [esi + 0x24550]
mov edx, dword [esi + 0x24554]
mov edi, eax
mov eax, dword [0xa8e7a0]
cmp edi, eax
mov dword [esp + 0x8c], ecx
mov dword [esp + 0x90], edx
jle 0x64f52e
mov ecx, edi
sub ecx, eax
push ecx
mov ecx, esi
call fcn.0064d690
mov ecx, dword [0xa8e7a0]
mov edx, edi
sub edx, ecx
mov ecx, esi
push edx
call fcn.0064d610
mov ecx, dword [0xa8e7a0]
sub edi, ecx
mov ecx, esi
push edi
call fcn.00661bf0
jmp 0x64f546
push edi
mov ecx, esi
call fcn.0064d650
push edi
mov ecx, esi
call fcn.0064d5d0
push edi
mov ecx, esi
call fcn.00661850
fld qword [esp + 0x8c]
fmul qword [esi + 0x25b10]
mov eax, dword [esp + 0x80]
test eax, eax
fstp qword [esp + 0xc]
fld qword [esp + 0x8c]
fmul qword [esi + 0x25b18]
fstp qword [esp + 0x24]
jne 0x64f5ef
push 0xa7bf04
lea ecx, [esp + 0x50]
call fcn.009121e8
cmp eax, 0xffffffff
jne 0x64f5ca
push 0xa7bf0c
lea ecx, [esp + 0x50]
call fcn.009121e8
cmp eax, 0xffffffff
jne 0x64f5ca
push 0xa7e804
lea ecx, [esp + 0x50]
call fcn.009121e8
cmp eax, 0xffffffff
jne 0x64f5ca
mov eax, dword [esp + 0x10]
mov ecx, dword [esp + 0xc]
push 3
push eax
push ecx
mov ecx, esi
call fcn.00614330
fstp qword [esp + 0xc]
push 3
jmp 0x64f64e
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0xc]
push 2
push ecx
push edx
mov ecx, esi
call fcn.00614330
mov eax, dword [esp + 0x28]
mov ecx, dword [esp + 0x24]
fstp qword [esp + 0xc]
push 2
push eax
push ecx
jmp 0x64f658
mov eax, dword [esi + 0xaf0]
test eax, eax
jle 0x64f663
cmp eax, 6
jge 0x64f663
mov eax, dword [0xa8e838]
mov edi, 0xa7e7fc
mov dl, byte [eax]
mov cl, dl
cmp dl, byte [edi]
jne 0x64f62c
test cl, cl
je 0x64f628
mov dl, byte [eax + 1]
mov cl, dl
cmp dl, byte [edi + 1]
jne 0x64f62c
add eax, 2
add edi, 2
test cl, cl
jne 0x64f608
xor eax, eax
jmp 0x64f631
sbb eax, eax
sbb eax, 0xffffffff
test eax, eax
jne 0x64f663
mov eax, dword [esp + 0x10]
mov ecx, dword [esp + 0xc]
push 2
push eax
push ecx
mov ecx, esi
call fcn.00614330
fstp qword [esp + 0xc]
push 2
mov edx, dword [esp + 0x2c]
mov eax, dword [esp + 0x28]
push edx
push eax
mov ecx, esi
call fcn.00614330
fstp qword [esp + 0x24]
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0xc]
push ecx
push edx
mov ecx, esi
call fcn.008f5ce0
fcomp qword [0x9ccd50]
fnstsw ax
test ah, 0x41
jne 0x64f691
mov dword [esp + 0xc], 0
mov dword [esp + 0x10], 0
mov eax, dword [esp + 0x28]
mov ecx, dword [esp + 0x24]
push eax
push ecx
mov ecx, esi
call fcn.008f5ce0
fcomp qword [0x9ccd50]
fnstsw ax
test ah, 0x41
jne 0x64f6bf
mov dword [esp + 0x24], 0
mov dword [esp + 0x28], 0
mov al, byte [0xa8e771]
test al, al
je 0x64f6f8
mov edx, dword [esp + 0x28]
mov eax, dword [esp + 0x24]
push edx
push eax
mov ecx, esi
call fcn.008f5ce0
fld dword [esi + 0xa7c]
fcompp
fnstsw ax
test ah, 0x41
jne 0x64f6f8
mov ecx, dword [esp + 0xc]
mov edx, dword [esp + 0x10]
mov dword [esp + 0x24], ecx
mov dword [esp + 0x28], edx
mov ax, word [esi + 0x245de]
cmp ax, 0x11
jne 0x64f722
fld qword [esp + 0xc]
fadd qword [esp + 0x3c]
fstp qword [esp + 0x3c]
fld qword [esp + 0x24]
fadd qword [esp + 0x44]
fstp qword [esp + 0x44]
jmp 0x64f885
mov edx, dword [esi + 0xaa0]
movsx ecx, ax
cmp ecx, edx
je 0x64f855
cmp ax, 0x15
je 0x64f855
cmp ax, 0x17
je 0x64f855
cmp ax, 0x18
je 0x64f855
cmp ax, 0x1a
je 0x64f855
cmp ax, 0x13
jne 0x64f77e
fld qword [esp + 0xc]
fadd qword [esp + 0x34]
fstp qword [esp + 0x34]
fld qword [esp + 0x24]
fadd qword [esp + 0x1c]
fstp qword [esp + 0x1c]
jmp 0x64f885
cmp ecx, dword [esi + 0xaa4]
jne 0x64f79d
fld qword [esp + 0x94]
fadd qword [esp + 0xc]
fstp qword [esp + 0x94]
jmp 0x64f885
cmp ecx, dword [esi + 0xaa8]
jne 0x64f7b6
fld qword [esp + 0xc]
fadd qword [esp + 0x5c]
fstp qword [esp + 0x5c]
jmp 0x64f885
cmp ax, 0x21
jne 0x64f7cd
fld qword [esp + 0xc]
fadd qword [esp + 0x54]
fstp qword [esp + 0x54]
jmp 0x64f885
cmp ecx, dword [esi + 0xaac]
je 0x64f885
cmp ax, 0x1c
je 0x64f885
cmp ax, 0x1d
je 0x64f885
cmp ax, 0x1e
je 0x64f885
cmp ax, 0x1f
je 0x64f885
cmp ax, 0x20
je 0x64f885
cmp ax, 0x23
je 0x64f885
cmp ax, 0x24
je 0x64f885
cmp ax, 0x28
je 0x64f885
cmp ax, 0x25
jne 0x64f82d
fld qword [esp + 0xc]
fadd qword [esp + 0x3c]
fstp qword [esp + 0x3c]
jmp 0x64f885
cmp ax, 0x26
jne 0x64f841
fld qword [esp + 0xc]
fadd qword [esp + 0x3c]
fstp qword [esp + 0x3c]
jmp 0x64f885
fld qword [esp + 0xc]
cmp ax, 0x27
jne 0x64f859
fadd qword [esp + 0x3c]
fstp qword [esp + 0x3c]
jmp 0x64f885
fld qword [esp + 0xc]
fadd qword [esp + 0x2c]
fstp qword [esp + 0x2c]
fld qword [esp + 0x24]
fadd qword [esp + 0x14]
fstp qword [esp + 0x14]
fld qword [esp + 0xc]
fadd qword [esp + 0x74]
fstp qword [esp + 0x74]
fld qword [esp + 0x24]
fadd qword [esp + 0x6c]
fstp qword [esp + 0x6c]
mov eax, dword [esp + 0x88]
inc ebx
dec eax
mov dword [esp + 0x88], eax
jne 0x64f4c6
mov eax, dword [esp + 0x50]
test eax, eax
jle 0x64fa9e
mov edi, dword [esp + 0x84]
mov ebx, eax
push edi
mov ecx, esi
call fcn.00650dc0
mov ax, word [esi + 0x245de]
mov edx, dword [esi + 0xaac]
fld qword [esi + 0x24550]
movsx ecx, ax
cmp ecx, edx
jne 0x64f8fd
fild dword [esi + 0xad8]
fld st(1)
fmul qword [esp + 0x74]
fdiv st(1)
fadd qword [esp + 0x2c]
fstp qword [esp + 0x2c]
fxch st(1)
fmul qword [esp + 0x6c]
fdiv st(1)
fadd qword [esp + 0x14]
fstp qword [esp + 0x14]
jmp 0x64fa94
cmp ax, 0x1c
jne 0x64f92e
fild dword [esi + 0xad8]
fld st(1)
fmul qword [esp + 0x34]
fdiv st(1)
fadd qword [esp + 0x34]
fstp qword [esp + 0x34]
fxch st(1)
fmul qword [esp + 0x1c]
fdiv st(1)
fadd qword [esp + 0x1c]
fstp qword [esp + 0x1c]
jmp 0x64fa94
cmp ax, 0x1d
jne 0x64f95f
fild dword [esi + 0xad8]
fld st(1)
fmul qword [esp + 0x74]
fdiv st(1)
fadd qword [esp + 0x34]
fstp qword [esp + 0x34]
fxch st(1)
fmul qword [esp + 0x6c]
fdiv st(1)
fadd qword [esp + 0x1c]
fstp qword [esp + 0x1c]
jmp 0x64fa94
cmp ax, 0x1e
jne 0x64f990
fild dword [esi + 0xad8]
fld st(1)
fmul qword [esp + 0x34]
fdiv st(1)
fadd qword [esp + 0x2c]
fstp qword [esp + 0x2c]
fxch st(1)
fmul qword [esp + 0x1c]
fdiv st(1)
fadd qword [esp + 0x14]
fstp qword [esp + 0x14]
jmp 0x64fa94
cmp ax, 0x1f
jne 0x64f9c1
fild dword [esi + 0xad8]
fld st(1)
fmul qword [esp + 0x3c]
fdiv st(1)
fadd qword [esp + 0x2c]
fstp qword [esp + 0x2c]
fxch st(1)
fmul qword [esp + 0x44]
fdiv st(1)
fadd qword [esp + 0x14]
fstp qword [esp + 0x14]
jmp 0x64fa94
cmp ax, 0x20
jne 0x64f9f2
fild dword [esi + 0xad8]
fld st(1)
fmul qword [esp + 0x3c]
fdiv st(1)
fadd qword [esp + 0x34]
fstp qword [esp + 0x34]
fxch st(1)
fmul qword [esp + 0x44]
fdiv st(1)
fadd qword [esp + 0x1c]
fstp qword [esp + 0x1c]
jmp 0x64fa94
cmp ax, 0x23
jne 0x64fa20
fild dword [esi + 0xad8]
fld qword [esp + 0x34]
fadd qword [esp + 0x2c]
fadd qword [esp + 0x3c]
fmul st(2)
fdiv st(1)
fadd qword [esp + 0x2c]
fstp qword [esp + 0x2c]
fld qword [esp + 0x1c]
fadd qword [esp + 0x14]
jmp 0x64fa82
cmp ax, 0x24
jne 0x64fa5e
fild dword [esi + 0xad8]
fld qword [esp + 0x34]
fadd qword [esp + 0x2c]
fadd qword [esp + 0x3c]
fmul st(2)
fdiv st(1)
fadd qword [esp + 0x34]
fstp qword [esp + 0x34]
fld qword [esp + 0x1c]
fadd qword [esp + 0x14]
fadd qword [esp + 0x44]
fmul st(2)
fdiv st(1)
fadd qword [esp + 0x1c]
fstp qword [esp + 0x1c]
jmp 0x64fa92
cmp ax, 0x28
jne 0x64fa94
fild dword [esi + 0xad8]
fld qword [esp + 0x34]
fadd qword [esp + 0x3c]
fmul st(2)
fdiv st(1)
fadd qword [esp + 0x2c]
fstp qword [esp + 0x2c]
fld qword [esp + 0x1c]
fadd qword [esp + 0x44]
fmul st(2)
fdiv st(1)
fadd qword [esp + 0x14]
fstp qword [esp + 0x14]
fstp st(0)
inc edi
dec ebx
fstp st(0)
jne 0x64f8b0
mov eax, dword [esp + 0x80]
test eax, eax
jle 0x64fb98
mov eax, dword [esi + 0xaf8]
test eax, eax
jle 0x64fb98
cmp eax, 6
jge 0x64fb98
mov edx, dword [esp + 0x40]
push eax
mov eax, dword [esp + 0x40]
push edx
push eax
mov ecx, esi
call fcn.00614330
mov ecx, dword [esi + 0xaf8]
mov edx, dword [esp + 0x30]
mov eax, dword [esp + 0x2c]
push ecx
push edx
push eax
fstp st(0)
mov ecx, esi
call fcn.00614330
mov ecx, dword [esi + 0xaf8]
mov edx, dword [esp + 0x38]
mov eax, dword [esp + 0x34]
push ecx
push edx
push eax
fstp st(0)
mov ecx, esi
call fcn.00614330
mov ecx, dword [esi + 0xaf8]
mov edx, dword [esp + 0x60]
mov eax, dword [esp + 0x5c]
push ecx
push edx
push eax
fstp st(0)
mov ecx, esi
call fcn.00614330
mov ecx, dword [esi + 0xaf8]
mov edx, dword [esp + 0x48]
mov eax, dword [esp + 0x44]
push ecx
fstp qword [esp + 0x60]
push edx
push eax
mov ecx, esi
call fcn.00614330
mov ecx, dword [esi + 0xaf8]
mov edx, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
push ecx
fstp qword [esp + 0x48]
push edx
push eax
mov ecx, esi
call fcn.00614330
mov ecx, dword [esi + 0xaf8]
mov edx, dword [esp + 0x20]
mov eax, dword [esp + 0x1c]
push ecx
fstp qword [esp + 0x18]
push edx
push eax
mov ecx, esi
call fcn.00614330
mov ecx, dword [esi + 0xaf8]
mov edx, dword [esp + 0x58]
mov eax, dword [esp + 0x54]
push ecx
fstp qword [esp + 0x20]
push edx
push eax
mov ecx, esi
call fcn.00614330
fstp qword [esp + 0x54]
mov eax, dword [esp + 0x68]
mov edi, 0xa7a6f8
mov ecx, eax
mov bl, byte [ecx]
mov dl, bl
cmp bl, byte [edi]
jne 0x64fbc7
test dl, dl
je 0x64fbc3
mov bl, byte [ecx + 1]
mov dl, bl
cmp bl, byte [edi + 1]
jne 0x64fbc7
add ecx, 2
add edi, 2
test dl, dl
jne 0x64fba3
xor ecx, ecx
jmp 0x64fbcc
sbb ecx, ecx
sbb ecx, 0xffffffff
test ecx, ecx
je 0x64fc84
mov edi, 0xa7a6f8
mov dl, byte [eax]
mov bl, byte [edi]
mov cl, dl
cmp dl, bl
jne 0x64fc01
test cl, cl
je 0x64fbfd
mov dl, byte [eax + 1]
mov bl, byte [edi + 1]
mov cl, dl
cmp dl, bl
jne 0x64fc01
add eax, 2
add edi, 2
test cl, cl
jne 0x64fbd9
xor eax, eax
jmp 0x64fc06
sbb eax, eax
sbb eax, 0xffffffff
test eax, eax
je 0x64fc84
fld qword [esp + 0x54]
fadd qword [esp + 0x1c]
mov eax, dword [esp + 0x44]
mov ecx, dword [esp + 0x48]
mov edx, dword [esp + 0x14]
mov dword [esi + 0x254f0], eax
mov eax, dword [esp + 0x18]
mov dword [esi + 0x254f4], ecx
fadd qword [esp + 0x14]
mov ecx, dword [esp + 0x1c]
mov dword [esi + 0x254f8], edx
mov edx, dword [esp + 0x20]
mov dword [esi + 0x254fc], eax
mov eax, dword [esp + 0x5c]
mov dword [esi + 0x25500], ecx
fadd qword [esp + 0x44]
mov ecx, dword [esp + 0x60]
mov dword [esi + 0x25504], edx
mov edx, dword [esp + 0x54]
mov dword [esi + 0x25510], eax
mov eax, dword [esp + 0x58]
mov dword [esi + 0x25518], edx
fadd qword [esp + 0x5c]
mov dword [esi + 0x25514], ecx
mov dword [esi + 0x2551c], eax
jmp 0x64fcde
mov ecx, dword [esi + 0x25560]
mov edx, dword [esi + 0x25564]
fld qword [esi + 0x25568]
mov eax, dword [esi + 0x25568]
mov dword [esi + 0x254f0], ecx
fadd qword [esi + 0x25570]
mov ecx, dword [esi + 0x2556c]
mov dword [esi + 0x254f4], edx
mov edx, dword [esi + 0x25570]
mov dword [esi + 0x254f8], eax
mov eax, dword [esi + 0x25574]
mov dword [esi + 0x25500], edx
fadd qword [esi + 0x25560]
mov dword [esi + 0x254fc], ecx
mov dword [esi + 0x25504], eax
fstp qword [esi + 0x254e8]
fld qword [esp + 0x1c]
fadd qword [esp + 0x14]
sub esp, 8
mov ecx, esi
fadd qword [esp + 0x4c]
fld qword [esi + 0x25570]
fadd qword [esi + 0x25568]
fadd qword [esi + 0x25560]
fsubp st(1)
fstp qword [esp]
call fcn.008f5ce0
fld dword [esi + 0xa7c]
fcompp
fnstsw ax
test ah, 0x41
jne 0x64fd38
mov ecx, dword [esi + 0x25558]
mov edx, dword [esi + 0x2555c]
mov dword [esi + 0x254e8], ecx
mov dword [esi + 0x254ec], edx
mov eax, dword [esi + 0x254ec]
mov ecx, dword [esi + 0x254e8]
push 2
push eax
push ecx
mov ecx, esi
call fcn.00614330
fstp qword [esi + 0x254e8]
lea ecx, [esp + 0x4c]
mov byte [esp + 0xa8], 1
call fcn.00911ee2
lea ecx, [esp + 0x68]
mov byte [esp + 0xa8], 0
call fcn.00911ee2
lea ecx, [esp + 0x7c]
mov dword [esp + 0xa8], 0xffffffff
call fcn.00911ee2
mov al, 1
mov ecx, dword [esp + 0xa0]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
lea ecx, [esp + 0x4c]
mov byte [esp + 0xa8], bl
call fcn.00911ee2
lea ecx, [esp + 0x68]
mov byte [esp + 0xa8], 0
call fcn.00911ee2
lea ecx, [esp + 0x7c]
mov dword [esp + 0xa8], 0xffffffff
call fcn.00911ee2
mov ecx, dword [esp + 0xa0]
pop edi
pop esi
xor al, al
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret 4