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.

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 init.d

Adds/modifies system service, likely for persistence.

Modifies systemd

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

Write file to user bin folder

Writes file to system bin folder

Modifies Bash startup script

UPX packed file

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