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persistance.md

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Persistence

{% hint style="success" %} Hack Responsibly.

Always ensure you have explicit permission to access any computer system before using any of the techniques contained in these documents. You accept full responsibility for your actions by applying any knowledge gained here. {% endhint %}

{% hint style="danger" %} Not much here yet...please feel free to contribute at my GitHub page. {% endhint %}

Cron

Startup Scripts

Add script to run at startup: update-rc.d </path/to/the/script> defaults (needs 755 permissions)

Accounts

Add Account & Password to /etc/passwd

  • Generate password with openssl passwd -1 -salt $username $password
  • Add to /etc/passwd file which is in the format:
    • $UserName:$generated_password:$UID:$GUID:$comment:$home_dir:$default_shell
    • $comment is usually the user's Full Name. Check the /etc/passwd file to ensure you match local standards.
    • (assumes you have write privilege to this file!).

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