Week 47 / 2022

commands

• yes [string]: output a string repeatedly until killed
• false: do nothing, unsuccessfully
• true: do nothing, successfully
• an assembly implementation of these commands!
• sudo pkill [process-name], kill multiple processes.

systemd

• service = unit
• systemctl status [service]:
• sudo systemctl enable [service]:
• sudo systemctl start [service]:
• sudo systemctl stop [service]:
• sudo systemctl disable [service]:
• sudo systemctl enable --now [service]: enable unit and start it in one shot.

Malware Analysis: introduction

• Most of these cyber attacks use malicious software (also called malware) to infect their targets.