Creates/modifies Cron job

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

Creates/modifies environment variables

Creating/modifying environment variables is a common persistence mechanism.

Enumerates active TCP sockets

Gets active TCP sockets from /proc virtual filesystem.

Enumerates running processes

Discovers information about currently running processes on the system

Modifies systemd

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

Write file to user bin folder

Modifies Bash startup script