File and Directory Permissions Modification

Adversaries may modify file or directory permissions to evade defenses.

Deletes itself

Traces itself

Traces itself to prevent debugging attempts

Creates/modifies Cron job

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

Enumerates running processes

Discovers information about currently running processes on the system

Modifies rc script

Adding/modifying system rc scripts is a common persistence mechanism.

Reads process memory

Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.