While Shellter Pro enhanced the static AV evasion capabilities of the community edition and introduced new features and more advanced functionality, there was still a gap to fill in.

Security software keep evolving, and many companies have moved from the traditional AV software to more advanced solutions (EDR, XDR etc…).

However, many features are shared between these types of security software. It is common to see an extensive usage of user-mode hooks deep inside the native layer of NTDLL, the last gate before kernel mode for most OS functionality.