Copyright ©2004 Foundstone, Inc. All Rights Reserved »Google Hacking Searching For Ways To Stop Hackers Copyright ©2004 Foundstone, Inc. All Rights Reserved George Kurtz McAfee, Inc. Senior Vice President Risk Management

“Using public sources openly and without resorting to illegal means, it is possible to gather at least 80 percent of all information required about the enemy” - Al Qaeda training manual

AGENDA  How Google works  Threats  Tools  Countermeasures

How Google Works

 Advanced Search Operators  site (.edu,.gov, foundstone.com, usc.edu)  filetype (txt, xls, mdb, pdf,.log)  Daterange (julian date format)  Intitle / allintitle  Inurl / allinurl

Threats - filetype:pwd service

Threats – allinurl: admin mdb

Threats - intitle:Remote.Desktop.Web.Connection inurl:tsweb

Threats  intitle:"Index of" finances.xls  "Network Vulnerability Assessment Report“ / filetype:pdf "Assessment Report" nessus  "not for distribution" confidential  site:edu grades admin  "ORA-00921: unexpected end of SQL command“  "VNC Desktop" inurl:5800  intitle:guestbook "advanced guestbook 2.2 powered“  intitle:"index of" trillian.ini

Threats - Categories  Private information  Usernames / passwords  Configuration management / Remote Admin Interface  Error messages  Backup files / log files  Public vulnerabilities

Tools  Using Web interface  GooScan  Athena  Using Web Service API  SiteDigger

Tools - GooScan

Tools - Athena

Tools - SiteDigger By: Kartik Trivedi Foundstone

Tools - SiteDigger

 Version 2 features  Proxy support / Google appliance support  XML signatures in OASIS WAS format  Adding signatures for OWASP top 10  Signature contribution option  Raw search tab  Configurable # of results

Countermeasures  Keep sensitive data off the web!!  Perform periodic Google Assessments  Update robots.txt  Use meta-tags: NOARCHIVE 

SUMMARY How is Google exposing my information??

Thanks ….for listening