Chapter 1
Engagement Management
Course: Comptia Pentest Pt0 003
Subject: Comptia Pentest Plus
Chapter: Post Exploitation And Lateral Movement
Persistence techniques allow attackers to maintain access to a compromised system even after reboots, patches, or security changes. These methods ensure continued control, long-term access, and evasion of security measures. Attackers rely on persistence to sustain attacks over extended periods, deploy additional payloads, and maintain a foothold in compromised environments.
Security professionals must recognize and mitigate these techniques to prevent unauthorized access and minimize the impact of a security breach. Below, we explore common persistence techniques, attack automation scripts, and corresponding detection and mitigation strategies.
1. Scheduled Tasks and Cron Jobs (Task Automation for Persistence)
Task schedulers are designed to automate processes, but attackers exploit them to re-execute malicious payloads periodically. This ensures that backdoors, reverse shells, or other malicious scripts persist even after a system reboot or malware removal attempts.