FSMonitor is a macOS app that monitors all changes to the file system.
anchor apple generic and identifier "com.tristan.FSMonitor" and (certificate leaf[field.1.2.840.113635.100.6.1.9] /* exists */ or certificate 1[field.1.2.840.113635.100.6.2.6] /* exists */ and certificate leaf[field.1.2.840.113635.100.6.1.13] /* exists */ and certificate leaf[subject.OU] = V85GBYB7B9)