Recent variants like v6.4 and its successors (e.g., SpyNote.C) have introduced more sophisticated evasion and persistence techniques:
The version gained notoriety on and hacking forums during 2021 because it offered powerful features that bypassed many standard Android security measures of the time. Key Features and Capabilities spynote v64 github 2021
While the source code for v6.4 can still be found in various GitHub repositories , using it carries severe legal and security implications: Recent variants like v6