• Tag Archives Hackers

  • Snapchat Hacker Threatens to Leaked thousands of Nude Celebriti Images

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    The waves of celebrities nude photos have not yet stopped completely, and a new privacy threat has emerged exposing tens of thousands of private photographs and videos of innocent users are circulating over the Internet.

    The personal image that are believed to be sent through Snapchat — the ephemeral messaging service that allows users to send pictures that should disappear after a few seconds — has been floating on the image based 4chan’s notorious /b/ board since last night. The incident was result of a security breach in an unofficial third-party app for Snapchat.

    Earlier this week, an anonymous 4chan user claimed to have obtained images on Snapchat and then the user warned of releasing thousands of nude videos and images sent using Snapchat soon in an event dubbed ‘The Snappening’.

    Previously, It was believed that the official SnapChat mobile app or its servers had been hacked by the hackers, and the third-party Snapchat client app has been collecting every photo and video file sent through the messaging service for years, giving hackers access to a 13GB private Snapchat files.

    But Snapchat has denied that its service was ever compromised. Earlier today, Snapchat issued a statement about the “Snappening” and blamed its consumers for using unofficial and unauthorized third-party apps.

    “We can confirm that Snapchat’s servers were never breached and were not the source of these leaks,’ a Snapchat representative said in a statement. “Snapchatters were victimised by their use of third-party apps to send and receive Snaps, a practice that we expressly prohibit in our Terms of Use precisely because they compromise our users’ security. We vigilantly monitor the App Store and Google Play for illegal third-party apps and have succeeded in getting many of these removed.“

    The most worrying part for the users is that Snapchat was right. The personal data is supposed to be obtained from a website called SnapSaved.com — an external app used by a number of Snapchatters in order to save Snapchat photos without the sender knowing — which has been inactive for the past few months and is apparently independent of the official Snapchat service.

    However, Business Insider has pointed to SnapSaved.com, a site which is no longer functional, and the SnapSave app as potential sources of the leak. Meanwhile, an assortment of photos has been traced back to SnapchatLeaked.com — site also posted personal and nude photos of Snapchat users, indicating that the photos could have been circulating for months.

    “The Snappening” is named in reference to the recent celebrity nude photos leak that was called “The Fappening.” The incident comes just weeks after thousands of celebrity nude images were leaked online through 4chan website, following a hack of Apple’s iCloud.

    Snapchat was first hacked in December 2013 when 4.6 million Snapchat users were exposed in a database breach. Later, the denial-of-service attack and CAPTCHA Security bypass The most worrying part for the users is that Snapchat was right. The personal data is supposed to be obtained from a website called SnapSaved.com — an external app used by a number of Snapchatters in order to save Snapchat photos without the sender knowing — which has been inactive for the past few months and is apparently independent of the official Snapchat service.

    However, Business Insider has pointed to SnapSaved.com, a site which is no longer functional, and the SnapSave app as potential sources of the leak. Meanwhile, an assortment of photos has been traced back to SnapchatLeaked.com — site also posted personal and nude photos of Snapchat users, indicating that the photos could have been circulating for months.

    “The Snappening” is named in reference to the recent celebrity nude photos leak that was called “The Fappening.” The incident comes just weeks after thousands of celebrity nude images were leaked online through 4chan website, following a hack of Apple’s iCloud.

    Snapchat was first hacked in December 2013 when 4.6 million Snapchat users were exposed in a database breach. Later, the denial-of-service attack and CAPTCHA Security bypass vulnerabilities were discovered by the researchers at the beginning of this year.

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  • Chinese Hackers Brake into The United States Database of Federal Employees

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    Chinese hackers broke into the computer systems of United States government agency that keeps the personal information of all federal employees, according to the paper published in the New York Times.

    The attack occurred on the Office of Personnel Management and Senior American officials believe that the attackers successfully gained access to some of the agency’s databases in March before the federal authorities detected the threat and blocked them from the network.

    The hackers targeted the files of tens of thousands of federal employees who have applied for top-secret security clearances, the newspaper reported.

    The intrusion at the Office of Personnel Management was particularly disturbing because it oversees a system called e-QIP, in which federal employees applying for security clearances enter their most personal information, including financial data. Federal employees who have had security clearances for some time are often required to update their personal information through the website,” states the New York Times.

    Until now, it is not clear how far the hackers were able to infiltrate the networks of the US Office of Personnel Management.

    But the databases they managed to hack include information such as employment records, people seeking security clearance list their foreign contacts, previous jobs and personal data like past drug use etc, which all could be at risk.

    In response to this matter, a senior Department of Homeland Security official confirmed that the attack had occurred but said that “at this time,” neither the personnel agency nor Homeland Security had “identified any loss of personally identifiable information.” The official said an emergency response team was assigned and handled over the matter “to assess and mitigate any risks identified.”

    Again it started a cold war between China and the United States, because according to the senior US officials, the attack was traced to China. But yet it is unclear if the hackers belonged to the government.

    Where China said that it faces a major threat from hackers, accused the NSA and U.S. Cyber Command for targeting Chinese politicians and military. The United States recently charged five Chinese military officials for carrying out cyber espionage against several American companies and stealing sensitive data by breaking into corporate systems.

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  • eBay Hacked – Change your account password now

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    World’s biggest E-commerce company with 128 million active users announced yesterday evening in a press release that it had been Hacked. eBay revealed that attackers compromised customers’ database including emails, physical addresses, encrypted passwords and dates of birth, in a hacking attack between late February and early March, but financial information like credit card numbers, as well as PayPal information were stored separately and were not compromised.

    eBay customers are now potentially vulnerable to phishing attacks i.e. spoofed e-mails. Hackers or spammers could craft very convincing phishing emails which may appear legitimate at first glance, but could trick you into revealing further personal information.

    To change your eBay password, log into your account, select Account Settings, then click “Personal Information”, then “edit” next to your password. If you are using same login details for other websites, you should also update them as soon as possible.

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  • FBI Bust Computer Hackers Spying and Stealing your information while online

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    Computer hacker forums lit up last week as Federal Bureau of Investigation agents and police in 17 countries began knocking on doors, seizing computers and making arrests.

    On the popular websites where cyber criminals buy and sell software kits and help each other solve problems, hackers issued warnings about police visits to their homes.

    The hackers quickly guessed that a major crackdown was underway on users of the malicious software known as Blackshades.

    The FBI and prosecutors in the Manhattan U.S. attorney’s office announced the results of that probe on Monday: More than 90 arrests worldwide.

    The malware sells for as little as $40. It can be used to hijack computers remotely and turn on computer webcams, access hard drives and capture keystrokes to steal passwords — without victims ever knowing it.

    Related: Beware, your computer may be watching you

    Criminals have used Blackshades to commit everything from extortion to bank fraud, the FBI said.

    Last week, watching it all play out were about two dozen FBI cybercrime investigators holed up in the New York FBI’s special operations center, high above lower Manhattan.

    Rows of computer screens flickered with updates from police in Germany, Denmark, Canada, the Netherlands and elsewhere. Investigators followed along in real time as hundreds of search warrants were executed and suspects were interviewed.

    The sweep, capping a two-year operation, is one of the largest global cybercrime crackdowns ever. It was coordinated so suspects didn’t have time to destroy evidence. Among those arrested, in Moldova, was a Swedish hacker who was a co-creator of Blackshades.

    “The charges unsealed today should put cyber criminals around the world on notice,” said Leo Taddeo, chief of the FBI’s cybercrime investigations in New York. “If you think you can hide behind your computer screen — think again. ”

    hackersOfficials say Blackshades was used to illegally access the computers of 700,000 victims around the world, as shown in this FBI heatmap.

    700,000 victims around the world: Inside the FBI special operations center, six large computer monitors displayed key parts of the probe. Agents kept an eye on one screen showing a popular website where Blackshades was sold. The site was taken down by the FBI.

    Another monitor showed a heatmap of the world displaying the locations of the 700,000 estimated victims, whose computers have been hijacked by criminals using the Blackshades software. Splotches of green on the map indicated concentrations of infected computers in highly populated parts of the U.S., Europe, Asia and Australia.

    The FBI said that in just a few years Blackshades has become one of the world’s most popular remote-administration tools, or RATs, used for cybercrime.

    Taddeo said the unprecedented coordination with so many police agencies came about because of concern about the fast growth of cybercrime businesses.

    “These cyber criminals have paid employees, they have feedback from customers — other cyber criminals — to continually update and improve their product,” Taddeo said recently. While he spoke, agents took calls from counterparts working the case in more than 40 U.S. cities.

    Blackshades had grown rapidly because it was marketed as off-the-shelf, easy to use software, much like legitimate consumer tax-preparation software.

    “It’s very sophisticated software in that it is not very easy to detect,” Taddeo said. “It can be installed by somebody with very little skills.”

     

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  • 4chan Hacked, Attacker Mainly Targeted Moderator Accounts

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    A few hours ago, Christopher Poole, aka “moot,” the founder of 4chan, revealed that the popular image-based bulletin board was hacked.

    The attack took place last week. The hacker leveraged a software vulnerability to gain access to administrative functions and data from a 4chan database. The attacker apparently wanted to expose the posting habits of a specific user he didn’t like.

    “After careful review, we believe the intrusion was limited to imageboard moderation panels, our reports queue, and some tables in our backend database,” moot noted.

    “Due to the way the intruder extracted information from the database, we have detailed logs of what was accessed. The logs indicate that primarily moderator account names and credentials were targeted.”

    The hacker accessed the Pass credentials of three 4chan Pass users. The impacted individuals have been notified and offered refunds and lifetime Passes.

    moot highlights the fact that 4chan doesn’t process any payment information, so the attacker couldn’t have gained access to financial data. Payment information is processed by Stripe.

    As far as the vulnerability leveraged by the hacker is concerned, it has been patched shortly after 4chan became aware of it. Software and systems are being reviewed to prevent future breaches.

    In a 4chan post published last week (removed since), a user revealed that the attacker was an Australian individual who wanted to expose “multiple abuses of power and violations of proper mod stewardship.” The attacker allegedly gained access to the details of over 12,000 sold Passes. He’s said to have had access to 4chan’s systems for a week.

    This isn’t the first time 4chan is targeted by hackers. Back in June 2012, hackers of UGNazi redirected the site’s visitors to their Twitter account.

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  • Google DNS servers suffer brief traffic hijack

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    Are security measures enabled?

    Traffic to Google’s commonly used public DNS service was rerouted over the weekend, meaning all traffic with Domain Name System resolution queries destined for Google’s servers ended up at a Venezuelan network instead.

    UK telco BT’s Latin America division in Venezuela became the destination for the IP address range used by Google, in a phenomenon known as BGP (border gateway protocol) hijacking, according to monitoring firm BGPmon.

    The rerouting affected networks in that country and Brazil for 22 minutes, BGPMon said.

    Why BT Latin America was able to announce the incorrect traffic routing despite Google’s security measures to protect against hijacking isn’t known. iTnews has put in queries with both BGPMon and BT LATAM.

    BGP traffic hijacking is on the rise, according to internet performance metrics analyst firm Renesys, which last year noted that over a period of two months, around 1500 IP address blocks were rerouted. Several were in Australia.

    Google’s 8.8.8.8 and 8.8.4.4 (IPv6: 2001:4860:4860::8888 and 2001:4860:4860::8844) free public DNS resolvers were set up in 2009 with the aim to provide better performance for queries, as well as improved security.

    They are said to fully support DNSsec security policies and validation, but it is not clear whether the routers for the servers’ network support resource public key infrastructure (RPKI) for BGP.

    These security measures provide route origination authorization objects (ROAs) that specify which autonomous systems can announce routes for certain IP address prefixes

    A query by iTnews at whois.bgpmon.net for the ROA for the 8.8.8.0/24 network range did not produce any result, suggesting there is no policy in place to prevent BGP hijacking through wrong unauthorized announcements.

    Google’s free and open DNS infrastructure is very popular with users around the world. Last year, Google said its public DNS servers answer 130 to 150 billion queries a day from 70 million unique IP addresses.

    Similar large numbers were seen in a test by Geoff Huston at the Asia-Pacific Network Information Centre (APNIC) using just under 2.5 million clients. That test showed 7.2 percent had queries passed on to authoritative name servers from Google’s DNS service.

     

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  • Hackers behind TARGET data breach are looking for crackers to decrypt Credit card PINs

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    I think you haven’t forgotten the massive data breach occurred at TARGET, the third-largest U.S. Retailer during last Christmas Holidays. People shop during Black Friday sales in which over 40 million Credit & Debit cards were stolen, used to pay for purchases at its 1500 stores nationwide in the U.S.

    TARGET officially confirmed that the encrypted PINs (personal identification numbers) of payment cards were stolen in the breach, since the stolen pin data were in encrypted form so they were confident that the information was “Safe and Secure”, because PIN cannot be decrypted without the right key.

    The Breach was caused by a malware attack, that allowed the criminals to manipulate Point of Sale (PoS) systems without raising red flags and the card numbers compromised in the breach are now flooding underground forums for sale.

    Possibly a group of Eastern European cyber criminals who specializes in attacks on merchants and Point-of-Sale terminals either attached a physical device to the PoS system to collect card data or they infected the PoS system with malware which sniffed the card data as it passes through a PoS system.

    However, the hackers have all 40 Million payment card details, but the PINs are encrypted with Triple-DES (Data Encryption Standard), which is a highly secure encryption standard used broadly throughout the U.S.

    Recently, The Cyber Intelligence firm IntelCrawler noticed that a group of individuals are discussing in underground hacking forums, attempting to decrypt a 50GB dump of Triple DES (3DES) encrypted PIN numbers believed that it belongs to TARGET breach. They asked for a ‘pro hacker’ to decrypt the information at a fee of $10 per line.

    IntelCrawler also claims that cracking the Triple-DES may be a slow process, but not impossible and vulnerable to brute-force attack using cracking tools i.e. John the Ripper.

    Security researcher, Robert Graham writes a blog post, suggested that hackers can get PINs without decrypting them, because two identical PINs decrypt to the same value.

    For example, let’s say that the hacker shopped at Target before stealing the database. The hacker’s own debit card information will be in the system. Let’s say the hacker’s PIN was 8473. Let’s say that these encrypts to 98hasdHOUa. The hacker now knows that everyone with the encrypted PIN of “98hasdHOUa” has the same pin number as him/her, or “8473”. Since there is only 10,000 combination of PIN numbers, the hacker has now cracked 1000 PIN numbers out of 10 million debit cards stolen. He recommended that TARGET should at least salt the encryption, to make it more difficult for crackers.

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