Detect Rare Executables

Description

This search will return a table of rare processes, the names of the systems running them, and the users who initiated each process.

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To successfully implement this search, you must be ingesting data that records process activity from your hosts and populating the endpoint data model with the resultant dataset. The macro filter_rare_process_allow_list searches two lookup files for allowed processes. These consist of rare_process_allow_list_default.csv and rare_process_allow_list_local.csv. To add your own processes to the allow list, add them to rare_process_allow_list_local.csv. If you wish to remove an entry from the default lookup file, you will have to modify the macro itself to set the allow_list value for that process to false. You can modify the limit parameter and search scheduling to better suit your environment.

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