CC 201-001 Week 4 Class 6
CC 201-001 Week 4 Class 6 CC 201-001
Popular in Introduction to Cyber Criminology
Popular in Cyber Criminology
This 5 page Class Notes was uploaded by Jennifer Gintovt on Thursday September 22, 2016. The Class Notes belongs to CC 201-001 at University of Alabama - Tuscaloosa taught by Adam Ghazi-Tehrani in Fall 2016. Since its upload, it has received 8 views. For similar materials see Introduction to Cyber Criminology in Cyber Criminology at University of Alabama - Tuscaloosa.
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Date Created: 09/22/16
CC 201: Phreaking (9/6/16) Phreaking: • 70s-90s • Slang term; people who study, experiment with hacking phone calls • Mainly focused on getting free/cheap phone calls • Used a system of tones used to route long-distance calls • By re-creating these tones, phreaks could switch calls from the phone handset, allowing free calls to be made around the world Phreaking Boxes: • Devices used to perform various functions normally reserved for operators • Most boxes are named after colors o Very few physical specimens of phreaking boxes are actually the color for which they are named Black Box: • Tricked switching equipment into believing a call had not been answered when in fact it had, resulting in free incoming long distance calls • Only on the receiving end Beige Box: • Improvised linesman’s handset typically made from a one-piece telephone and alligator clips o Linesman’s handset is a special type of telephone used by technicians for installing and testing local loop telephone lines o Still works today- tapping directly into phone line Blue Box: • Emulated the in-band signaling tones once used by long distance operators and switching equipment • fancier version of the Captain Crunch whistle • allows you to make free phone calls Red Box: • emulated the tones generated by payphones when coins are deposited Famous Phreaks • John “Captain Crunch” Draper o Started operating in 1960s o Discovered that the Cap’n Crunch whistle would make the specific sound needed to phreak a call o Lots of legal trouble o Writes code for program EasyWriter while in prison § Gets out of prison § Sells code to IBM o Currently unemployed and homeless • Steve “Berkeley Blue” Wozniak o Found out about Captain Crunch while reading a 1971 Esquire article about freaking o Him and Steve Jobs turn info into a small black -market business form UC Berkeley campus • Kevin “Dark Dante” Poulsen 2 o Famous for winning a Porsche by hacking his way into telephone company switches and making himself the 102 caller in a LA radio station giveaway o Arrested by FBI o Served 3 years in prison o Became a successful tech editor for WIRED magazine o Now has close relationship with FBI o 2005-2006 § wrote automated script to search MySpace’s 100 million profiles for registered sex offenders § once detected by the script, undercover detectives would initiate contact with sex offenders § search found 744 sex offenders from only 1/3rd of the data § of the 744 found, 497 are registered for sex crimes against children § 6 of 497 were repeat offenders § 243 of the 497 have convictions in 2000 or later § beginning of looking into social networking for those using the sites for illegitimate reasons • Kevin “Condor” Mitnick o “public enemy number one” § according to FBI through late 1980s - early 1990s o master of social engineering o would routinely perform phreaks in the “real world” § once pretended to be an employee of Pacific Bell (now a part of AT&T o Fake tag name: John Draper (Captain Crunch’s real name) o Evaded capture by cloning cell phones of FBI agents § Basically, when they would call one another he could hear the conversations they were having o Major name in tech security industry o Helped the FBI catch more dangerous hackers 3 o Known for Congressional Testimony Why do we care? • A lot of phreaks turned into important members of the computer tech world o “If we hadn’t made blue boxes there would have been no Apple” –Steve Jobs Bulletin Board Systems (BBS): • a computer server that allows users to connect to the system using a terminal program • once logged in, the user can perform functions such as uploading/downloading software and data, reading news and bulletins, and exchanging messages with other users o not really a network, more like a bunch of different computers that are separate from each other (the computers don’t all talk to one another) • BBSes = precursor to the modern internet & social media networks • Estimated that there were 60,000 BBSes serving 17 million users in U.S. in 1994 o Once the internet became popular, BBSes became less popular § Ease of use of the internet § BBSes are only text based, meaning that pictures couldn’t be posted (World Wide Web made that possible) Phreaking Today: Smartphones: • Advancements in telephony/cellphone technology have made nearly all "classic” phreak techniques obsolete • “new wave” mostly revolves around hacking cellphones (smartphones) 4 • Juice jacking o Fraudulent charge stations can siphon off important data from cell-pones such as passwords, contacts, pictures, and credit card data o Avoid by using portable batteries or places that you do trust • “Evil Twin” Wi-Fi o a fraudulent Wi-Fi access point that appears to be legitimate, set up to eavesdrop on wireless communications o can be used to steal passwords by monitoring connections or by phishing 5
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