Modifies Watchdog functionality

Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

Creates a large amount of network flows

This may indicate a network scan to discover remotely running services.

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.

Reads system routing table

Gets active network interfaces from /proc virtual filesystem.

Write file to user bin folder

Writes file to system bin folder

Modifies Bash startup script