Redis and Windows servers targeted by a new cryptomining malware RedisWannaMine

3/10/2018 The Hackers Chronicle 0

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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgdV7v7ncahe3qwjXHcok_B73pE_DNqfje6O7Q30mp3Zo1V1TZtqUKjP9luc1VvqZjcL9DdzR6EFbGO_wBBFmTFmxdrlzDHmgnmqmGYuzhv3nT1eZGKUJLuuB-GTvK96Byo-Te-UdzKKiDq/s1600/cryptoccurency-mining-malware-RedisWannaMine.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Hackers are targeting Redis and Windows servers for cryptomining " border="0" data-original-height="465" data-original-width="720" height="411" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgdV7v7ncahe3qwjXHcok_B73pE_DNqfje6O7Q30mp3Zo1V1TZtqUKjP9luc1VvqZjcL9DdzR6EFbGO_wBBFmTFmxdrlzDHmgnmqmGYuzhv3nT1eZGKUJLuuB-GTvK96Byo-Te-UdzKKiDq/s640/cryptoccurency-mining-malware-RedisWannaMine.jpg" title="Hackers are targeting Redis and Windows servers for cryptomining " width="640" /></a></div>
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Security researchers at Imperva have come across a new <a href="http://www.hackerschronicle.com/search/label/Cryptojacking">cryptojacking </a>worm that infects Redis and Windows servers with cryptomining <a href="http://www.hackerschronicle.com/search/label/Malwares">malware</a>.<br />
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The attack, which has been dubbed <a href="http://www.hackerschronicle.com/search/label/RedisWannaMine">RedisWannaMine </a>by researchers from security firm Imperva, scans for <b>misconfigured Redis deployments and Windows Servers that are still vulnerable to the Eternal Blue SMB <a href="http://www.hackerschronicle.com/search/label/Exploits">exploit</a>.</b><br />
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While investigating an attack against a web server that attempted to exploit the <b>CVE-2017-9805</b> vulnerability in Apache Struts, the Imperva researchers located a command-and-control server hosting multiple attack scripts. One of those scripts was a new cryptomining downloader that exhibited worm-like behavior.<br />
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When executed, the script attempts to install a variety of packages through apt-get or yum—depending on the Linux distribution—creates entries in crontab for persistence and adds a new authorized SSH key for authentication. It then proceeds to download a tool called masscan from GitHub and compiles it.<br />
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<b>Masscan is a high-performance TCP port scanner</b> and is used by <b>RedisWannaMine </b>to scan external and internal IP addresses for Redis deployments. Redis is an in-memory data store that can be used as a database, cache or message broker. It is usually deployed on internal networks, but thousands of such servers have been found exposed on the internet in the past. The project page of <a href="https://github.com/robertdavidgraham/masscan">Masscan</a> describes it as “<b>TCP port scanner, spews SYN packets asynchronously, scanning entire Internet in under 5 minutes</b>.”<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQJMVXe1axhx_0ifPV9UQfCDbpGj7tB7CVqo97UHjD9NP-PWON8uni3Mt8IizLcBToJNJ3Zc3mHPcVqbcw_SYEPegsRg_gD2szWYtMy7mTf1mTMDI4OlM-LLyM33gKHR8POmdvnMP3Doms/s1600/mascan-TCP-Scanner.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Masscan a high-performance TCP port scanner" border="0" data-original-height="206" data-original-width="845" height="155" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQJMVXe1axhx_0ifPV9UQfCDbpGj7tB7CVqo97UHjD9NP-PWON8uni3Mt8IizLcBToJNJ3Zc3mHPcVqbcw_SYEPegsRg_gD2szWYtMy7mTf1mTMDI4OlM-LLyM33gKHR8POmdvnMP3Doms/s640/mascan-TCP-Scanner.png" title="Masscan a high-performance TCP port scanner" width="640" /></a></div>
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When an unprotected Redis server is discovered, the script installs cryptomining malware on it and creates crontab entries for persistence. The script then launches another scan, this time for Windows Servers that accept SMB connections.<br />
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The goal of the second scan is to find servers that are vulnerable to the Eternal Blue SMB exploit used by <a href="http://www.hackerschronicle.com/search/label/WannaCry">WannaCry</a>, <a href="http://www.hackerschronicle.com/search/label/notPetya">NotPetya </a>and other malware attacks over the past year. When such a servers are identified, the script downloads and installs a different cryptomining component for Windows.<br />
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Compared to past cryptojacking attacks that primarily target servers available on the internet, <b>RedisWannaMine also spreads laterally through local networks, making it much more dangerous to companies.</b><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjXH9YAByWecwOsKjw_3-Hh9YEHhFJv6d1_vJ60su3ELwMZLe2IYggemN0gZj5AgFg-YHsy7XiuYUfviIo26KgUk77daHKbinqPVTKH208B9EnAWqf4wGQRsgcdyX-K9WbO6NlKtrHbzQgI/s1600/working-of-RedisWannaMine.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Working of RedisWannaMine Malware" border="0" data-original-height="570" data-original-width="1024" height="355" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjXH9YAByWecwOsKjw_3-Hh9YEHhFJv6d1_vJ60su3ELwMZLe2IYggemN0gZj5AgFg-YHsy7XiuYUfviIo26KgUk77daHKbinqPVTKH208B9EnAWqf4wGQRsgcdyX-K9WbO6NlKtrHbzQgI/s640/working-of-RedisWannaMine.png" title="Working of RedisWannaMine Malware" width="640" /></a></div>
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The malware “is more complex in terms of evasion techniques and capabilities,” the Imperva researchers said in a report. “It demonstrates a worm-like behavior combined with advanced exploits to increase the attackers’ infection rate and fatten their wallets. In a nutshell, cryptojacking attackers have upped their game and they are getting crazier by the minute!” </div>

Redis and Windows servers targeted by a new cryptomining malware RedisWannaMine

Security researchers at Imperva have come across a new cryptojacking worm that infects Redis and Windows servers with cryptomining malwa...

Saposhi a new malware to take down all IoT devices is out

3/09/2018 The Hackers Chronicle 0

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Cybersecurity agencies detected a new malware <b>Saposhi</b> , which can cripple the entire industries by taking over electronic devices and turning them into 'bots', which can be used for <a href="http://www.hackerschronicle.com/search/label/DDoS">Distributed Denial of Service</a> (DDoS) attacks .<br />
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The <b>new malware Saposhi was detected around 15 days ago</b> according to a report of the Hindu, and is currently being watched and studied.<br />
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<b>“Saposhi is similar in its intensity to Reaper, which was taking over millions of devices at the rate of 10,000 devices per day.</b> Various cybersecurity agencies are currently keeping tabs on it to get a better idea of what it is capable of,” he said.<br />
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A Central Government organisation <b>'the Computer Emergency Response Team (CERT)', had issued an alert about malwares </b>Mirai, and Reaper, but has not yet issued any alert regarding the new malware.<br />
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<b>“We need to first ensure that the information we have is indeed substantiated before raising alarm bells.</b> Right now, what we know for sure is that Saposhi exists, and is highly capable. Factors like whether it is aimed at any particular kind of device, or has a specific purpose are still being verified,” a officer said.<br />
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<a href="http://www.hackerschronicle.com/search/label/Malwares">Malwares </a>which are primarily aimed at DDoS attacks first creates a 'botnet,'network of bots, these botnet are used to ping a server at the same time. If the<b> number of pings increases beyond the server’s capacity, the server crashes and denies service.</b> Saposhi, Reaper and Mirai are DDoS attack malwares.<br />
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In July 2016, small and medium internet service providers in Maharashtra fell prey to a DDoS attack, which caused disruption in the services of several Internet Service Providers (ISP) in the State.<br />
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In 2016, Mirai, using a botnet of 5 lakh devices, had caused the servers of Dyn, a leading domain name service provider, to crash, affecting services of popular websites like Twitter, Netflix and Reddit.<br />
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Botnet CyberSecurity DDoS Malwares Mirai News Reaper Saposhi Saposhi a new malware to take down all IoT devices is out

Cybersecurity agencies detected a new malware Saposhi , which can cripple the entire industries by taking over electronic devices and t...

DDoS Exploit code to shutdown all vulnerable Memcached Servers Released online

3/08/2018 The Hackers Chronicle 0

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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjY_2biyz6S2H06vEQZNYt30moJnaKa9N1pO73gCZfgMo8cGLLI66wvY61YLyK_XtqjucFRcLrrwNEmDa3pBhJpig0791kXy2_uaPo5hU5-D2hMUlZIG2zQfPmrgfr-3safsS6y51p6X4xI/s1600/Memfixed-Mitigation-Tool.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="MEMFIXED DDOS MITIGATION TOOL" border="0" data-original-height="455" data-original-width="822" height="354" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjY_2biyz6S2H06vEQZNYt30moJnaKa9N1pO73gCZfgMo8cGLLI66wvY61YLyK_XtqjucFRcLrrwNEmDa3pBhJpig0791kXy2_uaPo5hU5-D2hMUlZIG2zQfPmrgfr-3safsS6y51p6X4xI/s640/Memfixed-Mitigation-Tool.png" title="memfixed-ddos-mitigation-tool" width="640" /></a></div>
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For the last few days, Vulnerable Memcached Servers were targeted by hackers to conducted DDoS attacks including the <a href="http://www.hackerschronicle.com/2018/03/github-hit-with-biggest-ddos-attack.html" target="_blank">world’s largest ever 1.7 Tbps of DDoS attack on Github</a> website.<br />
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After the massive attacks on memcache servers worldwide <b>three PoC codes were published online to exploit the thousands of Memcache servers still vulnerable</b>. Along with PoC code a <b>list of 17,000 vulnerable servers were also published</b>. The PoC codes could allow even script-kiddies to launch massive <a href="http://www.hackerschronicle.com/search/label/DDoS" target="_blank">DDoS </a>attacks using UDP reflections easily.<br />
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But now the researchers at <a href="https://twitter.com/SpuzNiq">SPUZ.me</a> have released a new tool to shutdown all vulnearble sers at one go. The tool is named as <a href="http://www.hackerschronicle.com/search/label/Memfixed" target="_blank"><b>Memfixed</b></a>. According to the publisher: Memfixed is DDoS mitigation tool for sending flush or shutdown commands to vulnerable <a href="http://www.hackerschronicle.com/search/label/Memcache" target="_blank">Memcached </a>servers obtained using Shodan API.<br />
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This tool is written in python and this allows you to shutdown/flush vulnerable Memcached servers obtained from <b>Shodan </b>search engine and utilising the killswitch published by a security researcher dormando. He has discovered a “kill switch” to counteract the Memcached vulnerability that recently fueled some of the largest distributed denial-of-service (DDoS) attacks in history. The tool also has the capability of shutting down or flushing specific vulnerable memcached servers for companies/services being attacked (assuming the user knows its IP address).<br />
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<table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg1K4iyFU004iDBDOTT5G39GzNB3E6VyxpcWew_pRnlbq6zzYuTjkPAd_9oDOpjdOTM4RBJ2R4KvVWTtl-wN-KHX3HnJDmCB7_KOy8EXBMKSgtusro5x01MdFQjlOAqRQI_hHJS64ZG7-Ls/s1600/Memcrashed-DDoS-Exploit.PNG" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img alt="Memcached DDoS Exploit Code" border="0" data-original-height="588" data-original-width="592" height="634" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg1K4iyFU004iDBDOTT5G39GzNB3E6VyxpcWew_pRnlbq6zzYuTjkPAd_9oDOpjdOTM4RBJ2R4KvVWTtl-wN-KHX3HnJDmCB7_KOy8EXBMKSgtusro5x01MdFQjlOAqRQI_hHJS64ZG7-Ls/s640/Memcrashed-DDoS-Exploit.PNG" title="memcached-ddos-exploit-code" width="640" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;">Poc code to exploit vulnerable Memcache servers</td></tr>
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Memcached is a popular open source distributed memory caching system, which came into news earlier last week when researchers detailed how hackers could abuse it to launch amplification/reflection DDoS attack by sending a forged request to the targeted Memcached server on port 11211 using a spoofed IP address that matches the victim's IP.<br />
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For those unaware, Memcached-based amplification/reflection attack amplifies bandwidth of the DDoS attacks by a factor of 51,000 by exploiting thousands of misconfigured Memcached servers left exposed on the Internet.</div>

DDoS Exploit Memcache Memfixed News DDoS Exploit code to shutdown all vulnerable Memcached Servers Released online

For the last few days, Vulnerable Memcached Servers were targeted by hackers to conducted DDoS attacks including the world’s largest eve...

Millions of email servers affected with Remote Code Execution

3/07/2018 The Hackers Chronicle 0

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A critical vulnerability affects millions of email servers. A fix has been released but this flaw affects more than half of the Internet's <a href="http://www.hackerschronicle.com/search/label/Email">email servers</a>, and patching the issue will take a couple of days.<br />
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The vulnerability in <a href="http://www.hackerschronicle.com/search/label/Exim">Exim, a mail transfer agent</a> (MTA) —software that runs on email servers and which relays emails from senders to recipients.According to a survey conducted in March 2018, 56% of all of the Internet's email servers run Exim, with over <b>63,36,687</b> available online at the time.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhsc0CuLvNkFMrSfewAAPIZwjDjoWEPgkyD8p6oPc3XB6-9nNG-_sMsKxDDc646zSfVVxTQOQyJVzWRuoS5LRqJR-rirTSGEGlehkVCO2kmy5WBfeJcJwBqkJvl1ieLAFNaQdxGTJBmB_M/s1600/vulnerable-exim-servers.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Vulnerability Affects millions of the Email Servers" border="0" data-original-height="413" data-original-width="1328" height="198" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhsc0CuLvNkFMrSfewAAPIZwjDjoWEPgkyD8p6oPc3XB6-9nNG-_sMsKxDDc646zSfVVxTQOQyJVzWRuoS5LRqJR-rirTSGEGlehkVCO2kmy5WBfeJcJwBqkJvl1ieLAFNaQdxGTJBmB_M/s640/vulnerable-exim-servers.PNG" title="Vulnerability Affects millions of the Email Servers" width="640" /></a></div>
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A Taiwanese security researcher named Meh Chang discovered the bug, which he <a href="https://devco.re/blog/2018/03/06/exim-off-by-one-RCE-exploiting-CVE-2018-6789-en/">reported</a> to the Exim crew on February 2. The Exim team released Exim distribution 4.90.1 on February 10 that fixes the RCE issue.<br />
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The bug —tracked as <b>CVE-2018-6789</b> is categorized as a "pre-auth <a href="http://www.hackerschronicle.com/search/label/Remote%20Code%20Execution">remote code execution</a>," meaning an attacker could trick the Exim email server into running malicious commands before the attacker would need to authenticate on the server.<br />
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The actual bug is a <b>one-byte buffer overflow</b> in the base64 decode function of Exim and affects all Exim versions ever released. Chang described the bug in a blog post released earlier today, detailing basic steps for exploiting Exim's SMTP daemon.<br />
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In a security advisory, the Exim team publicly acknowledged the issue. "Currently we're unsure about the severity, we believe, an exploit is difficult. A mitigation isn't known," the <a href="https://exim.org/static/doc/security/CVE-2018-6789.txt">Exim team said</a>.<br />
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Since Exim 4.90.1's release, updated Exim versions have trickled down to Linux distros used primarily in data centers, but the question remains about the number of unpatched systems that remain online. Taking into account that Exim is by far the most popular mail agent, CVE-2018-6789 opens a large attack surface, and Exim server owners should look into deploying the Exim 4.90.1 update as soon as possible.<br />
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At the time of writing, there is no public exploit code for taking advantage of vulnerable Exim servers, but this will likely change in the days following Chang's blog post.<br />
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CVE-2018-6789 Email Exim News Remote Code Execution Vulnerability Millions of email servers affected with Remote Code Execution

A critical vulnerability affects millions of email servers. A fix has been released but this flaw affects more than half of the Interne...

Chinese Firm selling Smartphones with pre-installed Banking Malwares

3/05/2018 The Hackers Chronicle 0

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More than 40 models of low-cost Android smartphones are sold already infected with the Triada banking trojan, says Dr.Web, a Russia-based antivirus vendor. The security vendor published today a list of 42 Android models its researchers analyzed and found to be infected with the Android.Triada.231 trojan.<br />
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<a href="http://www.hackerschronicle.com/search/label/Triada" target="_blank">Triada </a>is a very powerful Android banking trojan discovered in early 2016. It can root devices and then infect Zygote, a core <a href="http://www.hackerschronicle.com/search/label/Android" target="_blank">Android operating system</a> process, where it's almost impossible to remove without wiping the entire device and reinstalling the OS. Dr.Web says <b>it found the trojan on newly shipped devices from</b> lesser-known brands —mostly based in <b>China</b>— such as Leagoo, Doogee. Vertex, Advan, Cherry Mobile, and others.<br />
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCB5gEGCxF-NDcRb8zROpOkYNcfqXWrJuWu5nGZ7-WKEfCP56LQWC_pGRKufzMaaE1kdwqnC7yqDCV_RXJoF38NysnwpRwrV6AX9zqdeI-2twH-AP21yv4X4I5g-g81ZbGbh-Dc1_dzjTM/s1600/how-triada-works.png" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="1600" data-original-width="1229" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCB5gEGCxF-NDcRb8zROpOkYNcfqXWrJuWu5nGZ7-WKEfCP56LQWC_pGRKufzMaaE1kdwqnC7yqDCV_RXJoF38NysnwpRwrV6AX9zqdeI-2twH-AP21yv4X4I5g-g81ZbGbh-Dc1_dzjTM/s400/how-triada-works.png" width="306" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;">How Triada Works</td></tr>
</tbody></table>
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"<b>The <a href="http://www.hackerschronicle.com/search/label/Malwares" target="_blank">malware </a>is present in the devices which are sold not only in Russia but globally</b>," a Dr.Web spokesperson told <b>Bleeping Computer</b> earlier today via email. "For instance, in Poland, Indonesia, China, the Checz Republic, Mexico, Kazakhstan and Serbia."<br />
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Dr.Web's recent discovery isn't new, but it's a continuation of previous research. Back in July 2017, researchers found the same Triada trojan on four low-cost Android smartphone models —Leagoo M5 Plus, Leagoo M8, Nomu S10, and Nomu S20. Researchers continued to look into the matter and eventually discovered 42 smartphone models that were coming with malware pre-installed out of the box.<br />
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Experts say that their discovery over the summer didn't deter whoever was behind this action to stop. For example, they found Triada pre-installed on Leagoo M9 phones, a model launched in December 2017.<br />
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The antivirus vendor says it contacted all affected vendors, believing one of their shared resellers was injecting the trojan before shipping devices forward. Instead, researchers figured out that a <b>software developer from Shanghai was most likely the source of the Triada infection</b>.<br />
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"This company provided Leagoo with one of its applications to be included into an image of the mobile operating system, as well as with an instruction to add third-party code into the system libraries before their compilation," researchers say. "Unfortunately, this controversial request did not evoke any suspicions from the manufacturer. Ultimately, Android.Triada.231 got to the smartphones without any obstacles."<br />
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Researchers say this Triada-infected application developed by the Shanghai company was signed with the same certificate that was seen in another malware infection, in November 2016 —an Android app with over 1 million downloads on the Google Play Store that was infecting users with the Android.MulDrop adware.<br />
<br />
In the end, this is just another case when users suffer the consequences of companies that fail to validate their software supply chain.<br />
<br />
The list of Android smartphone models that Dr.Web found infected with the Triada trojan right out of the box is below:<br />
<div class="content shadow-radial">
Leagoo M5<br />
Leagoo M5 Plus<br />
Leagoo M5 Edge<br />
Leagoo M8<br />
Leagoo M8 Pro<br />
Leagoo Z5C<br />
Leagoo T1 Plus<br />
Leagoo Z3C<br />
Leagoo Z1C<br />
Leagoo M9<br />
ARK Benefit M8<br />
Zopo Speed 7 Plus<br />
UHANS A101<br />
Doogee X5 Max<br />
Doogee X5 Max Pro<br />
Doogee Shoot 1<br />
Doogee Shoot 2<br />
Tecno W2<br />
Homtom HT16<br />
Umi London<br />
Kiano Elegance 5.1<br />
iLife Fivo Lite<br />
Mito A39<br />
Vertex Impress InTouch 4G<br />
Vertex Impress Genius<br />
myPhone Hammer Energy<br />
Advan S5E NXT<br />
Advan S4Z<br />
Advan i5E<br />
STF AERIAL PLUS<br />
STF JOY PRO<br />
Tesla SP6.2<br />
Cubot Rainbow<br />
EXTREME 7<br />
Haier T51<br />
Cherry Mobile Flare S5<br />
Cherry Mobile Flare J2S<br />
Cherry Mobile Flare P1<br />
NOA H6<br />
Pelitt T1 PLUS<br />
Prestigio Grace M5 LTE<br />
BQ 5510</div>
</div>

Android Malwares News Triada Trojan Chinese Firm selling Smartphones with pre-installed Banking Malwares

More than 40 models of low-cost Android smartphones are sold already infected with the Triada banking trojan, says Dr.Web, a Russia-base...

4000 Government Websites Hacked in less than 4 Hours to Mine Cryptocurrency

3/03/2018 The Hackers Chronicle 0

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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhnJjqeIjcqU3MGFmsgNnL0NeymCNjU4wfbAPOJzO7r3dusjiHbjsAgXgK-3KytrKTYX_nru_Xf_Jd3jVU4bICc1ulejSq4tNjczTh46yG_aqNpuXbOMn6J4zp77oKxIdldi_BFDqmSTFwa/s1600/United-States-courts-portal-Hacked.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Government Websites Hacked to mine Cryptocurrency" border="0" data-original-height="360" data-original-width="1000" height="230" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhnJjqeIjcqU3MGFmsgNnL0NeymCNjU4wfbAPOJzO7r3dusjiHbjsAgXgK-3KytrKTYX_nru_Xf_Jd3jVU4bICc1ulejSq4tNjczTh46yG_aqNpuXbOMn6J4zp77oKxIdldi_BFDqmSTFwa/s640/United-States-courts-portal-Hacked.jpg" title="Government Websites Hacked to mine Cryptocurrency" width="640" /></a></div>
Over four thousand high profile government websites have been compromised by <a href="http://www.hackerschronicle.com/search/label/Dark%20Web" target="_blank">dark web</a> hackers across the globe, mining virtual currency secretly, and particularly Monero.<br />
<br />
<a href="http://www.hackerschronicle.com/search/label/Monero" target="_blank">Monero </a>has become one of the popular cryptocurrency recently especially on the ‘<a href="http://www.hackerschronicle.com/search/label/Dark%20Web" target="_blank">dark web</a>’– a section of the internet that can only be accessed using a special browser which is capable of anonymizing your browsing location as well as identity. Dark web criminals are taking advantage of this anonymity by trading illegal commodities, substances and services using virtual currencies.<br />
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<b>4,275 websites including those in the U.K., the U.S., Ireland, Australian and Canada with government websites with hundreds of thousands of visitors were hacked in less than a period of four hours</b> and unwittingly mined for <a href="http://www.hackerschronicle.com/search/label/Cryptocurrency" target="_blank">cryptocurrency </a>exploiting a security breach. Some of the compromised websites include the <b>United States courts online portal</b>, the <b>United States Information Commissioner Office</b>; the <b>National Health Service</b> in the <b>United Kingdom</b> and the <b>Victorian Parliament </b>website in <b>Australia</b>. The attack by a cryptojacking code hit common websites which had the text-to-speech accessibility script Browsealoud for the visually impaired from Texthelp company.<br />
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Recently, Monero has grown in popularity with a market capitalization of $4 billion. Its privacy feature has contributed to its momentum on the dark web making it harder to track compared to bitcoin.<br />
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The prices of virtual currency in the market skyrocketed recently and as a scheme that has drawn the attention of criminals. <a href="http://www.hackerschronicle.com/search/label/Cyber%20Crime" target="_blank">Cybercrimes </a>increased especially on cryptocurrency as criminals tried to cash in on the skyrocketing crypto prices. The cybercrime industry is recently believed to be overtaking the illegal drug trafficking industry in terms of revenue and hence attracting criminals.<br />
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The hacking process involved insertion of a <a href="http://www.hackerschronicle.com/search/label/Malwares" target="_blank">malicious </a>code that takes over a portion of a victim’s computer and central processing. Therefore the hacker has the ability of opening a website using a browser in order to mine virtual currency.<br />
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The process of mining digital coins requiring less processing power such as Monero is much easier compared to mining bitcoin from websites as it requires powerful specialized computers and software, making Monero mining a better fit for saving on time and energy, making it a very attractive option to criminals.<br />
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The dark web hackers had an easier time as they did not compromise each of the 4,275 websites at once, but rather hacked a globally-used plugin named ‘<b>Browsealoud</b>’ which is capable of reading out text from websites for the blind.<br />
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After the Browsealoud code was hacked, <b>CoinHive’s Monero miner</b> was silently and secretly injected. Thereafter, any website using the Browsealoud plugin was automatically compromised.<br />
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However the cyber-attack was deemed successful as there were basic regulatory measures and requirements over accessibility of some of these government websites that have not been met.</div>

Cryptocurrency Cyber Crime Dark Web Hacking News Monero News 4000 Government Websites Hacked in less than 4 Hours to Mine Cryptocurrency

Over four thousand high profile government websites have been compromised by dark web hackers across the globe, mining virtual currency...

GitHub Hit with Biggest DDoS Attack ever recorded, 1.3 Tbps

3/02/2018 The Hackers Chronicle 0

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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCA2KmPcZ6tl-1mNqQitTXlcWy_r0PhcOLRKlZI_gPKiQYsjMR1YT2KeOMAYepOISIHRnna0HJngpaUGoeSU1WKZF3L3b66Hnhef6ZozmJpocjc-vTKPseqnsxfBJOz0YAM6iTytCL4FIf/s1600/github-under-biggest-ddos-attack.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="GitHub Hit with Biggest DDoS Attack ever recorded, 1.3 Tbps" border="0" data-original-height="577" data-original-width="770" height="476" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCA2KmPcZ6tl-1mNqQitTXlcWy_r0PhcOLRKlZI_gPKiQYsjMR1YT2KeOMAYepOISIHRnna0HJngpaUGoeSU1WKZF3L3b66Hnhef6ZozmJpocjc-vTKPseqnsxfBJOz0YAM6iTytCL4FIf/s640/github-under-biggest-ddos-attack.png" title="GitHub Hit with Biggest DDoS Attack ever recorded, 1.3 Tbps" width="640" /></a></div>
On Wednesday, developer repository site <a href="http://www.hackerschronicle.com/search/label/GitHub" target="_blank">GitHub </a>was hit with a critical DDoS attack that took the site offline multiple times for a few minutes each time. According to a GitHub incident report, the first portion of the <b>attack</b> against the developer platform <b>peaked at 1.35Tbps</b>, and there was a second 400Gbps spike later. This would make it the biggest <a href="http://www.hackerschronicle.com/search/label/DDoS" target="_blank">DDoS </a>attack recorded so far. Until now, the biggest clocked in at around 1.1Tbps.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_6SU_nmV8Bv4GmW9X_53gPWM1IX0B3UkKuRnggsV_NUHpGSXvuppv8h_9tZs6xs0Adc4dC6C3Kn7ny_2BzJrOL-hyTuVn6UI80yv1Z08LzDI5DlpgY_YTiOgXuCBb7oGQCfOLrTC_OCST/s1600/GitHub-hit-by-memcached-attack.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="GitHub Under Memcached Attack" border="0" data-original-height="515" data-original-width="1357" height="241" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_6SU_nmV8Bv4GmW9X_53gPWM1IX0B3UkKuRnggsV_NUHpGSXvuppv8h_9tZs6xs0Adc4dC6C3Kn7ny_2BzJrOL-hyTuVn6UI80yv1Z08LzDI5DlpgY_YTiOgXuCBb7oGQCfOLrTC_OCST/s640/GitHub-hit-by-memcached-attack.png" title="GitHub Under Memcached Attack" width="640" /></a></div>
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According to the <a href="https://githubengineering.com/ddos-incident-report/" target="_blank">incident report</a>, <b>GitHub was offline</b> Wednesday from 17:21 to 17:26 UTC and intermittently unavailable from 17:26 to 17:30 UTC, thanks to the attack. The report noted that <b>user data wasn't at risk during the attack</b>.<br />
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The GitHub attack is the latest in a string of incidents where hackers have exploited a vulnerability in the <a href="http://www.hackerschronicle.com/search/label/Memcache" target="_blank">memcached </a>protocol to amplify the impact of such an attack. Memcached is typically used to speed up websites, but an issue with its UDP protocol makes the attack amplification possible, as noted by <a href="http://www.hackerschronicle.com/search/label/CloudFlare" target="_blank">CloudFlare</a>. <br />
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Memcached, as is likely inferred by the name, is a tool that uses data caching to help ease the burden on data stores, it's not necessarily meant to be used with systems that are connected to the internet. But, that hasn't stopped attackers from finding a way to use it to launch and accelerate cyberattacks. By mislabeling a victim's IP as a target address, attackers can overload their network with traffic (up to 51,200x more in acceleration) and trigger a denial of service attack.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOkQ5ZxWG7Fi2puxFcePSQ1YyR7XFqjde3vyIWj4n7lKdSCXNiUxU-aG9KAT9JGFTMm1BRcBFg9IBvVmiemZPCSnduAH8jon0e1MAIZu2mkCAMgAzZRGRkZQ4xhs2IEB_w8OywmARvCBU9/s1600/memcache-ddos.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="411" data-original-width="640" height="256" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOkQ5ZxWG7Fi2puxFcePSQ1YyR7XFqjde3vyIWj4n7lKdSCXNiUxU-aG9KAT9JGFTMm1BRcBFg9IBvVmiemZPCSnduAH8jon0e1MAIZu2mkCAMgAzZRGRkZQ4xhs2IEB_w8OywmARvCBU9/s400/memcache-ddos.png" width="400" /></a></div>
To fix its own problem, GitHub moved some of its traffic to Akamai for additional capacity at the edge. In its own post <a href="https://blogs.akamai.com/2018/03/memcached-fueled-13-tbps-attacks.html" target="_blank">Akamai</a>, one of the companies who discovered the vulnerability early on, wrote that it predicts "many more, potentially larger attacks in the near future. Akamai has seen a marked increase in scanning for open memcached servers since the initial disclosure."<br />
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Josh Shaul, vice president of web security at Akami told, “we modeled our capacity based on five times the biggest attack that the internet has ever seen. So I would have been certain that we could handle 1.3 Tbps, but at the same time we never had a terabit and a half come in all at once.”<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHPtaGUF_LQ_T0f-Iq0eo3WtjgLo9Jov2obzmFbqzDui0PFaAQB0TC-hzWy_JfmexZ8ix3Lvj_yZ5cEzAux-Bp8KNRUoDadmrPuBGV8uiwh1ue70RBQt4Zdx0G8T8GT0-nJHW_Kp81wNs0/s1600/GitHub-under-ddos-attack.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="GitHub under DDOS attack" border="0" data-original-height="137" data-original-width="720" height="120" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHPtaGUF_LQ_T0f-Iq0eo3WtjgLo9Jov2obzmFbqzDui0PFaAQB0TC-hzWy_JfmexZ8ix3Lvj_yZ5cEzAux-Bp8KNRUoDadmrPuBGV8uiwh1ue70RBQt4Zdx0G8T8GT0-nJHW_Kp81wNs0/s640/GitHub-under-ddos-attack.png" title="GitHub under DDOS attack" width="640" /></a></div>
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There are few parallels to the scale of the attack, with GitHub saying there were “over a thousand different autonomous systems across tens of thousands of unique endpoints.”  </div>

Cyber Attack DDoS GitHub Memcache News GitHub Hit with Biggest DDoS Attack ever recorded, 1.3 Tbps

On Wednesday, developer repository site GitHub was hit with a critical DDoS attack that took the site offline multiple times for a few ...