Windows 10 qaabka amniga ku dhex dhisan - Xakamaynta Flow Guard (CFG)^{(Control Flow Guard (CFG))} waxaa loogu talagalay in lagula dagaallamo dayacanka musuqmaasuqa xusuusta. Ilaaliyaha socodka qulqulka ayaa^{(Control Flow Guard)} ka caawiya ka hortagga musuqmaasuqa xusuusta, taas oo aad waxtar u leh si looga hortago weerarada ransomware. Awoodaha server-ku waxay ku xaddidan yihiin wax kasta oo loo baahan yahay wakhtigaas si loo yareeyo dusha weerarka. Ka faa'iidaysiga Ilaalinta waa qayb ka mid ah sifada Ilaalada ka faa'iidaysiga ee Difaaca Windows^{(Windows Defender)} . CFG waa qayb ka mid ah sifadan.

Xakamaynta socodka socodka gudaha Windows 10

Aynu si qoto dheer u sii yara dhex galno sifada ilaalinta qulqulka xakamaynta^{(Control Flow Guard)} gudaha Windows 10 kana jawaabo su'aalo dhawr ah sida:

1. Waa maxay ilaalinta socodka socodka^{(Control Flow Guard)} iyo sidee buu u shaqeeyaa?
2. Sidee buu u saameeyaa socodka socodka kontoroolka?^{(Flow Guard)}
3. Sidee loo dami karaa ilaalinta socodka socodka?

1] Waa maxay ilaalinta socodka socodka^{(Control Flow Guard)} iyo sida ay u shaqeyso

Ilaalada Socodka Xakamaynta^{(Control Flow Guard)} waa sifo adkeynaysa ka faa'iidaysiga in lagu fuliyo kood aan sabab lahayn iyada oo loo marayo dayacanka sida qulqulka xad dhaafka ah. Sidaan ognahay, dayacanka software-ka ayaa inta badan laga faa'iideystaa iyadoo la siinayo xog aan macquul ahayn, aan caadi ahayn, ama aad u daran barnaamijka socda. Tusaale ahaan, weeraryahanku waxa uu ka faa'iidaysan karaa nuglaanshaha qulqulka qulqulka ah isaga oo siinaya tallo dheeraad ah barnaamijka intii la filayey, taas oo si xad dhaaf ah u socodsiisa aagga barnaamijku u gaar yeelay si uu u qabto jawaabta. Nidaamkani waxa suurtogal ah in uu kharribo xusuusta ku dhow oo laga yaabo in ay hayso tilmaame hawleed. Marka barnaamijku ka soo waco shaqadan, waxa laga yaabaa inuu markaas u boodo meel aan la qorshayn oo uu cayimay qofka weerarka gaystay.

Si looga fogaado dhacdooyinkan oo kale, isku darka awoodda leh ee isku-duwidda iyo taageerada wakhtiga socodsiinta ee Kontoroolka Flow Guard waxay^{(Control Flow Guard)} fulisaa daacadnimada socodka kontoroolka kaas oo si adag u xaddidaya meelaha tilmaamaha wicitaanka aan tooska ahayn lagu fulin karo. Waxa kale oo ay tilmaamaysaa hawlaha arjiga ku jira kuwaas oo noqon kara bartilmaameedyada suurtagalka ah ee wicitaannada aan tooska ahayn. Sidan oo kale, Kontoroolka Flow Guard^{(Control Flow Guard)} wuxuu geliyaa hubinno ammaan oo dheeri ah oo ogaan kara isku dayga lagu afduubayo koodka asalka ah.

Marka jeegga CFG uu ku guuldareysto wakhtiga runtime, Windows isla markiiba waxay joojisaa barnaamijka, sidaas darteed waxay jebisaa ka faa'iidaysi kasta oo isku dayaya inuu si dadban u wac ciwaan aan sax ahayn.

2] Sidee^(How) buu u saameeyaa ilaalinta socodka socodka kontoroolka^{(Control Flow Guard)}

Sifada ayaa lagu soo warramey inay u keenayso arrimaha waxqabadka daalacashada ku salaysan Chromium . Dhammaan daalacashada waaweyn sida Google Chrome , Microsoft Edge browser, Vivaldi iyo tiro kale oo badan ayaa u muuqda in ay saameeyeen. Arrintu waxay soo ifbaxday markii horumariyeyaasha Vivaldi ay tijaabiyeen unugga Chromium Windows 7 oo ay ogaadeen inay u socdaan si ka dhakhso badan nooca ugu dambeeyay ee Windows 10 .

Maamulaha Kooxda Windows Kernel ayaa^{(Windows Kernel Team)} qirtay arinta oo sheegay inay dhiseen hagaajin la soo diri doono dhowr toddobaad gudahood.

3] Sida^(How) loo curyaamiyo ilaalinta socodka socodka^{(Control Flow Guard)} ee Windows 10

Haddii aad rabto inaad gabto sifadan, raac nidaamkan.

Guji Start oo raadi Amniga Daaqadaha^{(Windows Security)} .

Ka dooro Badbaadada Windows^{(Windows Security)} dhinaca bidix ee ' Cusboonaysiinta iyo Amniga^{(Update and Security)} ' ee Dejinta Difaaca Windows^{(Windows Defender Settings)} .

Dooro ' App & Control browser^{(App & browser Control)} ' oo hoos u dhaadhac si aad u heshid ' Dejinta Ilaalinta Ka Faa'iidayso^{(Exploit Protection Settings)} '. Dooro oo dooro ' Control Flow Guard '.

Ku dhufo fallaadha hoos-u-dhaca oo dooro ikhtiyaarka 'Off by default'.

Waxaan rajeynayaa in tani ay caawineyso.^{(I hope this helps.)}

What is Control Flow Guard in Windows 10 - How to turn it On or Off

Windows 10 built-іn security feature – Control Flow Guard (CFG) is designed to combat memory corruption vulnerabilities. Control Flow Guard helps prevent memory corruption, which is very helpful to prevent ransomware attacks. The capabilities of the server are restricted to whatever is needed at that point of time to reduce the attack surface. Exploit Protection is a part of the Exploit Guard feature in Windows Defender. CFG is a part of this feature.

Control Flow Guard in Windows 10

Let’s delve a bit deeper into the Control Flow Guard feature in Windows 10 and answer a few questions like:

1. What is Control Flow Guard and how does it work?
2. How does Control Flow Guard affect browser performance?
3. How to disable Control Flow Guard?

1] What is Control Flow Guard and how does it work

Control Flow Guard is a feature that makes it harder for exploits to execute arbitrary code through vulnerabilities such as buffer overflows. As we know, software vulnerabilities are often exploited by providing unlikely, unusual, or extreme data to a running program. For example, an attacker can exploit a buffer overflow vulnerability by providing more input to a program than expected, thereby over-running the area reserved by the program to hold a response. This scheme possibly corrupts adjacent memory that may hold a function pointer. When the program calls through this function, it may then jump to an unintended location specified by the attacker.

To avoid such instances, a potent combination of compile and run-time support from Control Flow Guard implements a control flow integrity that tightly restricts spots where indirect call instructions can be executed. It also identifies the set of functions in the application that could be the potential targets for indirect calls. As such, Control Flow Guard inserts extra security checks that could detect attempts to hijack the original code.

When a CFG check fails at runtime, Windows immediately terminates the program, thus breaking any exploit that attempts to indirectly call an invalid address.

2] How does Control Flow Guard affect browser performance

The feature is reported to be causing performance issues for Chromium-based browsers. All major browsers like Google Chrome, Microsoft Edge browser, Vivaldi and scores of others seem to have been affected by it. The issue came to light when developers at Vivaldi run Chromium unit tests on Windows 7 and found them running faster than on the most recent version of Windows 10.

The Windows Kernel Team manager acknowledged the issue and said they built a fix which will be shipped in a couple of weeks.

3] How to disable Control Flow Guard in Windows 10

If you wish to disable this feature, follow this procedure.

Click on Start and search for Windows Security.

Choose Windows Security from the left pane of ‘Update and Security’ section of Windows Defender Settings.

Select ‘App & browser Control’ and scroll down to locate ‘Exploit Protection Settings’. Select it and choose ‘Control Flow Guard’.

Hit the drop-down arrow and select ‘Off by default’ option.

I hope this helps.

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