File and Directory Permissions Modification

Adversaries may modify file or directory permissions to evade defenses.

Creates/modifies Cron job

Cron allows running tasks on a schedule, and is commonly used for malware persistence.

Modifies systemd

Adds/ modifies systemd service files. Likely to achieve persistence.

Write file to user bin folder

UPX packed file

Detects executables packed with UPX/modified UPX open source packer.