Executes dropped EXE

Modifies PAM framework files

Modifies Linux PAM framework files, possibly to intercept credentials.

Modifies Watchdog functionality

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

Modifies the /etc/hosts DNS resolution file

Modifying the /etc/hosts name-resolution file changes IP routing, which can facilitate traffic hijacking or the blocking of (security update) endpoints.

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.

Deletes log files

Deletes log files on the system.

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 rc script

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

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

Reads process memory

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