I have downloaded some keyboard/screen logging software on the CN download website for testing. Most of them can be identified as activity monitoring software or malware, but some of them cannot be blocked. For example, Slient Key Logger is a software without digital signatures. The latest version, V1.40, recognizes "activity monitoring software," but older version, V1.33.5, KIS doesn't block it. Probably because the old version didn't add malware to the library. It could be that the old version was not added to the malware library (Windows Defender did not block this version either)
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I am no an IT expert, but I personally recommend adding keyboard logger and screen recording interception feature to KIS, similar to the "webcam protection" feature. Rather than finding all of these softwares and adding them to the malware library, this can essentially block a lot of malicious behavior.(In CN, some people use this kind of software to monitor others, and there seems to be no suitable software in Windows to perfect interception)
System: Windows 10 x64 22H2
KIS Version: 21.2.10.391(j)