Flushes firewall rules

Flushes/ disables firewall rules inside the Linux kernel.

Loads a kernel module

Loads a Linux kernel module, potentially to achieve persistence

Checks mountinfo of local process

Checks mountinfo of running processes which indicate if it is running in chroot jail.

Creates/modifies environment variables

Creating/modifying environment variables is a common persistence mechanism.

Modifies rc script

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

Modifies systemd

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

Reads list of loaded kernel modules

Reads the list of currently loaded kernel modules, possibly to detect virtual environments.

Modifies Bash startup script