SlideShare a Scribd company logo
LimeWire Made
Me Do It
Frederick S. Lane
FSLane3@gmail.com
www.ComputerForensicsDigest.com
Federal Public Defenders of Nevada
16 November 2010
www.FrederickLane.com
And Other Digital Follies
www.ComputerForensicsDigest.com
Seminar Logistics
• Ask ‘em If You’ve Got ‘em
• Download a PDF of slides
from:
ComputerForensicsDigest.com
• Email Me:
FSLane3@gmail.com
www.FrederickLane.com www.ComputerForensicsDigest.com
Seminar Overview
• Introduction
• Basics of P2P Software
• Evidence of Intent
• Law Enforcement Initiatives
• P2P in the Courts
www.FrederickLane.com www.ComputerForensicsDigest.com
Personal Background
• Computer
Forensics Expert
www.FrederickLane.com www.ComputerForensicsDigest.com
Personal Background
• Computer
Forensics Expert
• Author of 5 Books
www.FrederickLane.com www.ComputerForensicsDigest.com
Personal Background
• Computer
Forensics Expert
• Author of 5 Books
• Chair, Burlington
(VT) School Board
www.FrederickLane.com www.ComputerForensicsDigest.com
Personal Background
• Computer
Forensics Expert
• Author of 5 Books
• Chair, Burlington
(VT) School Board
• Attorney &
Lecturer
www.FrederickLane.com www.ComputerForensicsDigest.com
Personal Background
• Computer
Forensics Expert
• Author of 5 Books
• Chair, Burlington
(VT) School Board
• Attorney &
Lecturer
• Privacy Expert
www.FrederickLane.com www.ComputerForensicsDigest.com
Computer Forensics Experience
• A Decade of Computer Forensics
Experience -- United States v. Dean (1999)
• Civil and Criminal Cases
• Emphasis on Obscenity and Child
Pornography
• Training in X-Ways Forensics
• ComputerForensicsDigest.com
& Digital Dirt Blawg
www.FrederickLane.com www.ComputerForensicsDigest.com
• Sneakernets
www.FrederickLane.com www.ComputerForensicsDigest.com
“And File Sharing Begat P2P…”
• Sneakernets
• 1999 – Napster
www.FrederickLane.com www.ComputerForensicsDigest.com
“And File Sharing Begat P2P…”
• Sneakernets
• 1999 – Napster
• DMCA =
#epicfail
www.FrederickLane.com www.ComputerForensicsDigest.com
“And File Sharing Begat P2P…”
• Sneakernets
• 1999 – Napster
• DMCA =
#epicfail
• 2000 - Gnutella
www.FrederickLane.com www.ComputerForensicsDigest.com
“And File Sharing Begat P2P…”
• Sneakernets
• 1999 – Napster
• DMCA =
#epicfail
• 2000 – Gnutella
• 2009 – P2P the
largest source of
network traffic
www.FrederickLane.com www.ComputerForensicsDigest.com
“And File Sharing Begat P2P…”
Popular Peer-to-Peer Networks
• Gnutella, Gnutella2
• BitTorrent
• FastTrack
• KaZaA
• eDonkey
• Mininova
• Skype
www.FrederickLane.com www.ComputerForensicsDigest.com
Popular Peer-to-Peer Clients
• LimeWire
• FrostWire
• BitComet
• Vuze
• µTorrent
• MP3 Rocket
• BitTorrent
• Morpheus
• LimeWire Pro
• Ares Galaxy
www.FrederickLane.com www.ComputerForensicsDigest.com
Typical Operation of P2P Software
• Users Download Client Software and
Register for an Account
• Users Search for Specific Types of Content
• Users Click on a Search Result to Initiate
Download
• P2P Software Typically Downloads to a
“Shared” Directory
• Content Can Be Made Instantly Available to
Other Users of P2P Software
www.FrederickLane.com www.ComputerForensicsDigest.com
Core Issue: Extent of User Control
• Nature and Name of Downloaded
Contents
• Evidence Downloaded Files Were
“Previewed” During Download Process
• Search Terms Used
• Are Client Settings Default or
Specialized? Directories, Sharing, etc.
• Evidence of Degree of Sophistication
www.FrederickLane.com www.ComputerForensicsDigest.com
Federal Anti-CP Programs
• FBI Cyber Crimes Program
• Innocent Images National Initiative
• Internet Crimes Against Children (ICAC)
• National Center for Missing and Exploited
Children
• Myriad Task Forces
• Operation Fairplay (Wyoming/TLO)
www.FrederickLane.com www.ComputerForensicsDigest.com
Typical P2P Investigation
• Law Enforcement Officer Uses P2P Client to
Search for Contraband – Keywords &
Hashes
• Download of Possible Contraband Initiated
• P2P Client Shows IP Address of Source
• List of Files at That Source Can Be Viewed
• IP Address Is Traced to Physical Address
• Warrant Obtained for Search and Seizure of
Computer Equipment at That Address
www.FrederickLane.com www.ComputerForensicsDigest.com
P2P In the Courts
• An area of increasing interest for courts:
roughly 300 federal decisions involving P2P
software – only 25 or so state decisions
• Does law enforcement use of P2P client
constitute “search” of suspect’s computer?
• Questions of control and distribution by
suspect
• Enhancements under sentencing guidelines
www.FrederickLane.com www.ComputerForensicsDigest.com
LimeWire Made
Me Do It
Frederick S. Lane
FSLane3@gmail.com
www.ComputerForensicsDigest.com
Federal Public Defenders of Nevada
16 November 2010
www.FrederickLane.com
And Other Digital Follies
www.ComputerForensicsDigest.com

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2010-11-16 LimeWire Made Me Do It

  • 1. LimeWire Made Me Do It Frederick S. Lane FSLane3@gmail.com www.ComputerForensicsDigest.com Federal Public Defenders of Nevada 16 November 2010 www.FrederickLane.com And Other Digital Follies www.ComputerForensicsDigest.com
  • 2. Seminar Logistics • Ask ‘em If You’ve Got ‘em • Download a PDF of slides from: ComputerForensicsDigest.com • Email Me: FSLane3@gmail.com www.FrederickLane.com www.ComputerForensicsDigest.com
  • 3. Seminar Overview • Introduction • Basics of P2P Software • Evidence of Intent • Law Enforcement Initiatives • P2P in the Courts www.FrederickLane.com www.ComputerForensicsDigest.com
  • 4. Personal Background • Computer Forensics Expert www.FrederickLane.com www.ComputerForensicsDigest.com
  • 5. Personal Background • Computer Forensics Expert • Author of 5 Books www.FrederickLane.com www.ComputerForensicsDigest.com
  • 6. Personal Background • Computer Forensics Expert • Author of 5 Books • Chair, Burlington (VT) School Board www.FrederickLane.com www.ComputerForensicsDigest.com
  • 7. Personal Background • Computer Forensics Expert • Author of 5 Books • Chair, Burlington (VT) School Board • Attorney & Lecturer www.FrederickLane.com www.ComputerForensicsDigest.com
  • 8. Personal Background • Computer Forensics Expert • Author of 5 Books • Chair, Burlington (VT) School Board • Attorney & Lecturer • Privacy Expert www.FrederickLane.com www.ComputerForensicsDigest.com
  • 9. Computer Forensics Experience • A Decade of Computer Forensics Experience -- United States v. Dean (1999) • Civil and Criminal Cases • Emphasis on Obscenity and Child Pornography • Training in X-Ways Forensics • ComputerForensicsDigest.com & Digital Dirt Blawg www.FrederickLane.com www.ComputerForensicsDigest.com
  • 11. • Sneakernets • 1999 – Napster www.FrederickLane.com www.ComputerForensicsDigest.com “And File Sharing Begat P2P…”
  • 12. • Sneakernets • 1999 – Napster • DMCA = #epicfail www.FrederickLane.com www.ComputerForensicsDigest.com “And File Sharing Begat P2P…”
  • 13. • Sneakernets • 1999 – Napster • DMCA = #epicfail • 2000 - Gnutella www.FrederickLane.com www.ComputerForensicsDigest.com “And File Sharing Begat P2P…”
  • 14. • Sneakernets • 1999 – Napster • DMCA = #epicfail • 2000 – Gnutella • 2009 – P2P the largest source of network traffic www.FrederickLane.com www.ComputerForensicsDigest.com “And File Sharing Begat P2P…”
  • 15. Popular Peer-to-Peer Networks • Gnutella, Gnutella2 • BitTorrent • FastTrack • KaZaA • eDonkey • Mininova • Skype www.FrederickLane.com www.ComputerForensicsDigest.com
  • 16. Popular Peer-to-Peer Clients • LimeWire • FrostWire • BitComet • Vuze • µTorrent • MP3 Rocket • BitTorrent • Morpheus • LimeWire Pro • Ares Galaxy www.FrederickLane.com www.ComputerForensicsDigest.com
  • 17. Typical Operation of P2P Software • Users Download Client Software and Register for an Account • Users Search for Specific Types of Content • Users Click on a Search Result to Initiate Download • P2P Software Typically Downloads to a “Shared” Directory • Content Can Be Made Instantly Available to Other Users of P2P Software www.FrederickLane.com www.ComputerForensicsDigest.com
  • 18. Core Issue: Extent of User Control • Nature and Name of Downloaded Contents • Evidence Downloaded Files Were “Previewed” During Download Process • Search Terms Used • Are Client Settings Default or Specialized? Directories, Sharing, etc. • Evidence of Degree of Sophistication www.FrederickLane.com www.ComputerForensicsDigest.com
  • 19. Federal Anti-CP Programs • FBI Cyber Crimes Program • Innocent Images National Initiative • Internet Crimes Against Children (ICAC) • National Center for Missing and Exploited Children • Myriad Task Forces • Operation Fairplay (Wyoming/TLO) www.FrederickLane.com www.ComputerForensicsDigest.com
  • 20. Typical P2P Investigation • Law Enforcement Officer Uses P2P Client to Search for Contraband – Keywords & Hashes • Download of Possible Contraband Initiated • P2P Client Shows IP Address of Source • List of Files at That Source Can Be Viewed • IP Address Is Traced to Physical Address • Warrant Obtained for Search and Seizure of Computer Equipment at That Address www.FrederickLane.com www.ComputerForensicsDigest.com
  • 21. P2P In the Courts • An area of increasing interest for courts: roughly 300 federal decisions involving P2P software – only 25 or so state decisions • Does law enforcement use of P2P client constitute “search” of suspect’s computer? • Questions of control and distribution by suspect • Enhancements under sentencing guidelines www.FrederickLane.com www.ComputerForensicsDigest.com
  • 22. LimeWire Made Me Do It Frederick S. Lane FSLane3@gmail.com www.ComputerForensicsDigest.com Federal Public Defenders of Nevada 16 November 2010 www.FrederickLane.com And Other Digital Follies www.ComputerForensicsDigest.com