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Expose the Backdoors

Root was obtained 5 hours ago. Find every backdoor the attacker planted.

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Commands practised here

• ls -la /etc/cron.d/Lists cron files including hidden ones.
• cat /etc/cron.d/<file>Reads what the cron job actually does.
• ls -la /etc/init.d/Lists startup scripts including hidden ones.
• ls -la /etc/sudoers.d/Lists sudoers override files.

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