PRESENTED BY DAVE MAUPIN SECURITY MANAGEMENT PARTNERS WALTHAM, MA WWW.SMPONE.COM 1 MIT graduate with 30 years of experience in IT Senior Information Security Consultant for Security Management Partners. PCI QSA Forensic investigations with IT, HR and Legal departments for various regulated industries such as banking, healthcare and pharmaceutical. 2 ACH fraud Embezzlement Harassment Civil case 3 1. 2. 3. 4. 5. 6. 7. 8. Encase Forensic 7.07 Antivirus software Malwarebytes Excel Volatility HBGary Responder CE Mandiant Redline Knowledge of Windows technical details 4 Funds moved electronically from business online banking account Investigate—initial information gathering from the financial institution and the business customer Acquire media using chain of custody protocol Forensic analysis—acquire forensically and run analysis 5 Entry Date Entry Full Path Entry Type 08/24/10 11:29:11AM C\WINDOWS\Prefetch\WINZIP32.EXE-2F3C90C9.pf Created Date 08/24/10 11:29:11AM C\WINDOWS\Prefetch\WINZIP32.EXE-2F3C90C9.pf Written Date 08/24/10 11:29:11AM C\WINDOWS\Prefetch\WINZIP32.EXE-2F3C90C9.pf Modified Date 08/24/10 11:29:16AM C\Documents and Settings \User.Domain\Cookies\username@ads.pointroll[2].txt Accessed Date 800 entries for cookies on the system 08/24/10 11:29:21AM C\Documents and Settings \User.Domain\Cookies\username@rad.microsoft[2].txt Accessed Date 6 Funds stolen from business Investigate—initial information gathering from the business Acquire media using chain of custody protocol Forensic analysis—acquire forensically and run analysis 7 Changing the extension on a file. Embedding data in a graphic file or scanning a document so that it becomes a graphic file. This would prevent the text within the document from being identified during a keyword search. Using a compression utility to compress multiple files or documents into a single compound file (i.e. .zip file). Encryption: using a utility such as TrueCrypt to create a hidden\encrypted volume on the hard drive. 8 Intellectual property stolen from business Investigate—initial information gathering from the business Acquire media using chain of custody protocol Forensic analysis—acquire forensically and run analysis 9 Shortcuts contain a volume serial number In order for these Link files to have been created on the hard drive, the USB drive had to have been plugged into the computer containing the hard drive on which the Link files were located and a file from the USB drive had to have been accessed from that computer. 10 Employee reports harassment to HR Investigate—initial information gathering from the business Acquire media using chain of custody protocol Forensic analysis—acquire forensically and run analysis 11 System Restore uses a feature called system protection to regularly create and save restore points on your computer. These restore points contain information about registry settings and other system information that Windows uses. People trying to hide their activities may not realize that information has been saved by System Restore 12 A/V definitions change daily, full scans should be run at least weekly Investigate what your a/v console reports Investigate unusual events: Account lockouts Use a minimum necessary approach throughout your environment: Block outbound traffic Only give access to social media to those with a business need (marketing) Block webmail access 13 Train your users Call the help desk Be careful with email attachments 14