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+ | <div style="margin-top:0.5em; padding:0.5em 0.5em 0.5em 0.5em; background-color:#faf0ff; align:right; border:1px solid #ddccff;"> | ||
+ | This is the '''Forensics Wiki''', a [http://creativecommons.org/licenses/by-sa/2.5/ Creative Commons]-licensed [http://en.wikipedia.org/wiki/Wiki wiki] devoted to information about [[digital forensics]] (also known as computer forensics). We currently list a total of [[Special:Allpages|{{NUMBEROFARTICLES}}]] pages. | ||
+ | |||
+ | Much of [[computer forensics]] is focused on the [[tools]] and [[techniques]] used by [[investigator]]s, but there are also a number of important [[papers]], [[people]], and [[organizations]] involved. Many of those organizations sponsor [[Upcoming_events|conferences]] throughout the year and around the world. You may also wish to examine the popular [[journals]] and some special [[reports]]. | ||
+ | </div> | ||
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− | + | ==WIKI NEWS== | |
+ | 2013-05-15: You can now subscribe to Forensics Wiki Recent Changes with the [[ForensicsWiki FeedBurner Feed]] | ||
− | = | + | {| width="100%" |
− | == | + | |- |
− | + | | width="60%" style="vertical-align:top" | | |
+ | <!-- Selected Forensics Research --> | ||
+ | <div style="margin-top:0.5em; border:2px solid #ff0000; padding:0.5em 0.5em 0.5em 0.5em; background-color:#ffff99; align:center; border:1px solid #ddccff;"> | ||
+ | <h2 style="margin:0; background-color:#ffff33; font-size:120%; font-weight:bold; border:1px solid #afa3bf; text-align:left; color:#000; padding-left:0.4em; padding-top:0.2em; padding-bottom:0.2em;"> Featured Forensic Research </h2> | ||
− | + | <small>May 2014</small> | |
− | + | <bibtex> | |
− | + | @inproceedings{Hurley:2013:MAC:2488388.2488444, | |
+ | author = {Hurley, Ryan and Prusty, Swagatika and Soroush, Hamed and Walls, Robert J. and Albrecht, Jeannie and Cecchet, Emmanuel and Levine, Brian Neil and Liberatore, Marc and Lynn, Brian and Wolak, Janis}, | ||
+ | title = {Measurement and Analysis of Child Pornography Trafficking on P2P Networks}, | ||
+ | booktitle = {Proceedings of the 22Nd International Conference on World Wide Web}, | ||
+ | series = {WWW '13}, | ||
+ | year = {2013}, | ||
+ | isbn = {978-1-4503-2035-1}, | ||
+ | location = {Rio de Janeiro, Brazil}, | ||
+ | pages = {631--642}, | ||
+ | numpages = {12}, | ||
+ | url = {http://dl.acm.org/citation.cfm?id=2488388.2488444}, | ||
+ | acmid = {2488444}, | ||
+ | publisher = {International World Wide Web Conferences Steering Committee}, | ||
+ | address = {Republic and Canton of Geneva, Switzerland}, | ||
+ | keywords = {digital forensics, forensic triage}, | ||
+ | } | ||
+ | </bibtex> | ||
+ | Peer-to-peer networks are the most popular mechanism for the criminal acquisition and distribution of child pornography (CP). In this paper, we examine observations of peers sharing known CP on the eMule and Gnutella networks, which were collected by law enforcement using forensic tools that we developed. We characterize a year's worth of network activity and evaluate different strategies for prioritizing investigators' limited resources. The highest impact research in criminal forensics works within, and is evaluated under, the constraints and goals of investigations. We follow that principle, rather than presenting a set of isolated, exploratory characterizations of users. | ||
− | + | First, we focus on strategies for reducing the number of CP files available on the network by removing a minimal number of peers. We present a metric for peer removal that is more effective than simply selecting peers with the largest libraries or the most days online. Second, we characterize six aggressive peer subgroups, including: peers using Tor, peers that bridge multiple p2p networks, and the top 10% of peers contributing to file availability. We find that these subgroups are more active in their trafficking, having more known CP and more uptime, than the average peer. Finally, while in theory Tor presents a challenge to investigators, we observe that in practice offenders use Tor inconsistently. Over 90% of regular Tor users send traffic from a non-Tor IP at least once after first using Tor. | |
+ | (See also [[Past Selected Articles]]) | ||
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− | == | + | <div style="margin-top:0.5em; border:2px solid #00ff00; padding:0.5em 0.5em 0.5em 0.5em; background-color:#ffeeff; align:center; border:1px solid #ffccff;"> |
+ | <h2 style="margin:0; background-color:#ffff33; font-size:120%; font-weight:bold; border:1px solid #afa3bf; text-align:left; color:#000; padding-left:0.4em; padding-top:0.2em; padding-bottom:0.2em;"> Featured Article </h2> | ||
+ | ;[[Forensic Linux Live CD issues]] | ||
+ | :Forensic Linux Live CD distributions are widely used during computer forensic investigations. Currently, many vendors of such Live CD distributions state that their Linux do not modify the contents of hard drives or employ "write protection." Testing indicates that this may not always be the case. [[Forensic Linux Live CD issues|Read More...]] | ||
− | + | |} | |
− | |||
− | + | <!-- This begins the two-column section --> | |
− | == | + | {| width="100%" |
+ | |- | ||
+ | | width="60%" style="vertical-align:top" | | ||
− | = | + | <div style="margin-top:0.5em; padding:0.5em 0.5em 0.5em 0.5em; background-color:#eeeeff; align:right; border:1px solid #ddccff;"> |
− | + | <h2 style="margin:0; background-color:#ccccff; font-size:120%; font-weight:bold; border:1px solid #afa3bf; text-align:left; color:#000; padding-left:0.4em; padding-top:0.2em; padding-bottom:0.2em;">Topics</h2> | |
− | + | * '''[[File Analysis]]''': | |
− | + | ** '''[[:Category:File Formats|File Formats]]''': [[PDF]], [[DOC]], [[DOCX]], [[JPEG]], [[GIF]], [[BMP]], [[LNK]], [[MP3]], [[AAC]], [[Thumbs.db]], ... | |
+ | ** '''[[Forensic file formats]]''': [[AFF]], [[gfzip]], [[sgzip]], ... | ||
+ | * '''[[File Systems]]''': [[FAT]], [[NTFS]], [[ext2]]/[[ext3]], [[ufs]], [[ffs]], [[reiserfs]], ... | ||
+ | ** '''[[File Systems#Cryptographic_File_Systems|Cryptographic File Systems]]''': [[File Vault]], [[EFS]], [[CFS]], [[NCryptfs]], [[TCFS]], [[SFS]], ... | ||
+ | * '''[[Hardware]]''': | ||
+ | ** '''[[Bus]]ses''': [[IDE]], [[SCSI]], [[Firewire]], [[USB]], ... | ||
+ | ** '''[[Data storage media|Media]]''': [[RAM]], [[Hard Drive]]s, [[Memory Card]]s, [[SmartCard]]s, [[RFID]] Tags... | ||
+ | ** '''[[Personal Digital Devices]]''': [[PDAs]], [[Cellphones]], [[SmartPhones]], [[Audio Devices]], ... | ||
+ | ** '''[[Other Devices]]''': [[Printers]], [[Scanners]], ... | ||
+ | ** '''[[Write Blockers]]''': ... | ||
+ | * '''Recovering data''': [[Recovering bad data|bad data]], [[Recovering deleted data|deleted data]], [[Recovering Overwritten Data|overwritten data]], [[Sanitization Standards]] | ||
+ | * [[Encryption]] | ||
+ | * [[GPS]] | ||
+ | * [[Forensic_corpora|Forensic Corpora]] | ||
+ | * [[Network forensics]]: [[OS fingerprinting]], [[Hidden channels]], [[Proxy server|Proxy servers]] | ||
+ | * [[Steganography]], [[Steganalysis]] | ||
+ | * '''[[Metadata]]:''' [[MAC times]], [[ACLs]], [[Email Headers]], [[Exif]], [[ID3]], [[OLE-2]], ... | ||
+ | * '''[[Legal issues]]:''' [[Caselaw|Case law]] | ||
+ | * '''Further information:''' [[Books]], [[Papers]], [[Reports]], [[Journals]], [[Websites]], [[Blogs]], [[Mailing lists]], [[Organizations]], [[Vendors]], [[Conferences]] | ||
+ | </div> | ||
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− | + | <!-- Tools --> | |
− | + | <div style="margin-top:0.5em; padding:0.5em 0.5em 0.5em 0.5em; background-color:#e0ffe0; align:right; border:1px solid #ddccff;"> | |
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− | + | <h2 style="margin:0; background-color:#ccffcc; font-size:120%; font-weight:bold; border:1px solid #afa3bf; text-align:left; color:#000000; padding-left:0.4em; padding-top:0.2em; padding-bottom:0.2em;">[[Tools]]</h2> | |
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− | | | + | * '''[[:Category:Disk Imaging|Disk Imaging]]''': [[dd]], [[dc3dd]], [[dcfldd]], [[dd_rescue]], [[sdd]], [[aimage]], [[Blackbag]], ... |
− | | | + | * '''[[Tools:Data Recovery|Data Recovery]]''': ... |
− | | | + | * '''[[Tools#Disk_Analysis_Tools|Disk Analysis]]''': [[EnCase]], [[SMART]], [[Sleuthkit]], [[foremost]], [[Scalpel]], [[frag_find]]... |
− | | | + | * '''[[Tools#Forensics_Live_CDs|Live CDs]]''': [[DEFT Linux]], [[Helix]] ([[Helix3 Pro|Pro]]), [[FCCU Gnu/Linux Boot CD]], [[Knoppix STD]], ... |
− | | | + | * '''[[Tools:Document Metadata Extraction|Metadata Extraction]]''': [[wvWare]], [[jhead]], [[Hachoir | hachoir-metadata]], [[Photo Investigator]]... |
− | | | + | * '''[[Tools:File Analysis|File Analysis]]''': [[file]], [[ldd]], [[ltrace]], [[strace]], [[strings]], ... |
− | | | + | * '''[[Tools:Network_Forensics|Network Forensics]]''': [[Snort]], [[Wireshark]], [[Kismet]], [[NetworkMiner]]... |
− | | | + | * '''[[:Category:Anti-forensics tools|Anti-Forensics]]''': [[Slacker]], [[Timestomp]], [[wipe]], [[shred]], ... |
+ | * '''[[Tools#Other_Tools|Other Tools]]''': [[biew]], [[hexdump]], ... | ||
+ | </div> | ||
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− | + | The contents of this wiki are organized into various [[:Category:Top-Level|categories]]: | |
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− | | | + | * [[:Category:Tools|Tools]] |
− | + | * [[:Category:Disk file systems|Disk file systems]] | |
− | + | * [[:Category:File Formats|File Formats]] | |
− | | | + | * [[:Category:Howtos|Howtos]] |
− | | | + | * [[:Category:Licenses|Licenses]] |
− | | | + | * [[:Category:Operating systems|Operating systems]] |
− | | | + | * [[:Category:People|People]] |
− | | | + | * [[:Category:Bibliographies|Bibliographies]] |
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+ | '''You can help!''' We have a list of [[:Category:Articles_that_need_to_be_expanded|articles that need to be expanded]]. If you know anything about any of these topics, please feel free to chip in. | ||
+ | </div> | ||
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− | + | __NOTOC__ |
Revision as of 16:13, 21 April 2014
This is the Forensics Wiki, a Creative Commons-licensed wiki devoted to information about digital forensics (also known as computer forensics). We currently list a total of 863 pages.
Much of computer forensics is focused on the tools and techniques used by investigators, but there are also a number of important papers, people, and organizations involved. Many of those organizations sponsor conferences throughout the year and around the world. You may also wish to examine the popular journals and some special reports.
WIKI NEWS
2013-05-15: You can now subscribe to Forensics Wiki Recent Changes with the ForensicsWiki FeedBurner Feed
Featured Forensic ResearchMay 2014 Hurley, Ryan, Prusty, Swagatika, Soroush, Hamed, Walls, Robert J., Albrecht, Jeannie, Cecchet, Emmanuel, Levine, Brian Neil, Liberatore, Marc, Lynn, Brian, Wolak, Janis - Measurement and Analysis of Child Pornography Trafficking on P2P Networks
Peer-to-peer networks are the most popular mechanism for the criminal acquisition and distribution of child pornography (CP). In this paper, we examine observations of peers sharing known CP on the eMule and Gnutella networks, which were collected by law enforcement using forensic tools that we developed. We characterize a year's worth of network activity and evaluate different strategies for prioritizing investigators' limited resources. The highest impact research in criminal forensics works within, and is evaluated under, the constraints and goals of investigations. We follow that principle, rather than presenting a set of isolated, exploratory characterizations of users. First, we focus on strategies for reducing the number of CP files available on the network by removing a minimal number of peers. We present a metric for peer removal that is more effective than simply selecting peers with the largest libraries or the most days online. Second, we characterize six aggressive peer subgroups, including: peers using Tor, peers that bridge multiple p2p networks, and the top 10% of peers contributing to file availability. We find that these subgroups are more active in their trafficking, having more known CP and more uptime, than the average peer. Finally, while in theory Tor presents a challenge to investigators, we observe that in practice offenders use Tor inconsistently. Over 90% of regular Tor users send traffic from a non-Tor IP at least once after first using Tor. (See also Past Selected Articles) |
Featured Article
|
You can help! We have a list of articles that need to be expanded. If you know anything about any of these topics, please feel free to chip in.