inurl:"passlist.txt"
inurl:"password.txt"
inurl:"auth_user_file.txt" или чтото в этом роде

Index of /admin 
Index of /password 
Index of /mail 
Index of / +banques +filetype:xls (for france...) 
Index of / +passwd 
Index of / password.txt

Вот наиболее интересные:
#mysql dump filetype:sql 
inurl:main.php Welcome to phpMyAdmin 
intitle:index.of trillian.ini 
intitle:Index of pwd.db 
intitle:index.of people.lst 
intitle:index.of master.passwd 
intitle:Index of .mysql_history 
intitle:index of intext:globals.inc 
intitle:index.of administrators.pwd 
intitle:Index.of etc shadow 
intitle:index.of secring.pgp 
inurl:config.php dbuname dbpass 
inurlerform filetype:ini 
intitle:index of intext:connect.inc 
intitle:Index of .htpasswd htpasswd.bak 
intitle:Index of .htpasswd htgroup -intitle:dist -apache -htpasswd.c 
filetype:htpasswd htpasswd 
filetype:xls username password email 
filetyperoperties inurl:db intextassword 
filetype:inc intext:mysql_connect 
filetype:cfm cfapplication name password 
intitle:index.of.etc 
eggdrop filetype:user user 
intitle:Index of config.php 

прикол: Index.ofICCQ dat 
Index.of ws_ftp.ini - конфиг для WS_FTPD  
filetype:ini inurl:wcx - пароли FTP от Total Command
Index.of master.passwd - поиск паролей во FreeBSD
Index.of /admin - почувствуй себя админом
Index.of "amount.xls" - или важную банковскую базу
filetype:sql inurl:users - какие-то базы пользователей
intitle:Usage Statistics for Generated by Webalizer - смотрим статистику
intitle:Index of dbconvert.exe chats - а также логи чата ICQ
site:ru filetype:pl inurl:txt - поиск админских файлов в РУнете
inurl:main.php Welcome to phpMyAdmin - Дырявый MyAdmin

inurl:"passlist.txt"
inurl:"password.txt"
inurl:"auth_user_file.txt"



Index of /admin 
Index of /password 
Index of /mail 
Index of / +banques +filetype:xls (for france...) 
Index of / +passwd 
Index of / password.txt
#mysql dump filetype:sql 
inurl:main.php Welcome to phpMyAdmin 
intitle:index.of trillian.ini 
intitle:Index of pwd.db 
intitle:index.of people.lst 
intitle:index.of master.passwd 
intitle:Index of .mysql_history 
intitle:index of intext:globals.inc 
intitle:index.of administrators.pwd 
intitle:Index.of etc shadow 
intitle:index.of secring.pgp 
inurl:config.php dbuname dbpass 
inurlerform filetype:ini 
intitle:index of intext:connect.inc 
intitle:Index of .htpasswd htpasswd.bak 
intitle:Index of .htpasswd htgroup -intitle:dist -apache -htpasswd.c 
filetype:htpasswd htpasswd 
filetype:xls username password email 
filetyperoperties inurl:db intextassword 
filetype:inc intext:mysql_connect 
filetype:cfm cfapplication name password 
intitle:index.of.etc 
eggdrop filetype:user user 
intitle:Index of config.php