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FBI seizes control of a massive botnet that infected over 500,000 routers

FBI seizes control of a massive botnet that infected over 500,000 routers
May 24, 2018
Shortly after Cisco's released its early report on a large-scale hacking campaign that infected over half a million routers and network storage devices worldwide, the United States government announced the takedown of a key internet domain used for the attack. Yesterday we reported about a piece of highly sophisticated IoT botnet malware that infected over 500,000 devices  in 54 countries and likely been designed by Russia-baked state-sponsored group in a possible effort to cause havoc in Ukraine, according to an early report published by Cisco's Talos cyber intelligence unit on Wednesday. Dubbed VPNFilter by the Talos researchers, the malware is a multi-stage, modular platform that targets small and home offices (SOHO) routers and storage devices from Linksys, MikroTik, NETGEAR, and TP-Link, as well as network-access storage (NAS) devices. Meanwhile, the court documents unsealed in Pittsburgh on the same day indicate that the FBI has seized a key web domain communic

Researchers unearth a huge botnet army of 500,000 hacked routers

Researchers unearth a huge botnet army of 500,000 hacked routers
May 23, 2018
More than half a million routers and storage devices in dozens of countries have been infected with a piece of highly sophisticated IoT botnet malware, likely designed by Russia-baked state-sponsored group. Cisco's Talos cyber intelligence unit have discovered an advanced piece of IoT botnet malware, dubbed VPNFilter , that has been designed with versatile capabilities to gather intelligence, interfere with internet communications, as well as conduct destructive cyber attack operations. The malware has already infected over 500,000 devices in at least 54 countries, most of which are small and home offices routers and internet-connected storage devices from Linksys, MikroTik, NETGEAR, and TP-Link. Some network-attached storage (NAS) devices known to have been targeted as well. VPNFilter is a multi-stage, modular malware that can steal website credentials and monitor industrial controls or SCADA systems, such as those used in electric grids, other infrastructure and factori

Pentera's 2024 Report Reveals Hundreds of Security Events per Week

Pentera's 2024 Report Reveals Hundreds of Security Events per Week
Apr 22, 2024Red Team / Pentesting
Over the past two years, a shocking  51% of organizations surveyed in a leading industry report have been compromised by a cyberattack.  Yes, over half.  And this, in a world where enterprises deploy  an average of 53 different security solutions  to safeguard their digital domain.  Alarming? Absolutely. A recent survey of CISOs and CIOs, commissioned by Pentera and conducted by Global Surveyz Research, offers a quantifiable glimpse into this evolving battlefield, revealing a stark contrast between the growing risks and the tightening budget constraints under which cybersecurity professionals operate. With this report, Pentera has once again taken a magnifying glass to the state of pentesting to release its annual report about today's pentesting practices. Engaging with 450 security executives from North America, LATAM, APAC, and EMEA—all in VP or C-level positions at organizations with over 1,000 employees—the report paints a current picture of modern security validation prac

DNS-Hijacking Malware Targeting iOS, Android and Desktop Users Worldwide

DNS-Hijacking Malware Targeting iOS, Android and Desktop Users Worldwide
May 21, 2018
Widespread routers' DNS hijacking malware that recently found targeting Android devices has now been upgraded its capabilities to target iOS devices as well as desktop users. Dubbed Roaming Mantis , the malware was initially found hijacking Internet routers last month to distribute Android banking malware designed to steal users' login credentials and the secret code for two-factor authentication. According to security researchers at Kaspersky Lab s, the criminal group behind the Roaming Mantis campaign has broadened their targets by adding phishing attacks for iOS devices, and cryptocurrency mining script for PC users. Moreover, while the initial attacks were designed to target users from South East Asia–including South Korea, China Bangladesh, and Japan–the new campaign now support 27 languages to expand its operations to infect people across Europe and the Middle East. How the Roaming Mantis Malware Works Similar to the previous version, the new Roaming Mantis

Today's Top 4 Identity Threat Exposures: Where To Find Them and How To Stop Them

cyber security
websiteSilverfort Identity Protection / Attack Surface
Explore the first ever threat report 100% focused on the prevalence of identity security gaps you may not be aware of.

Nethammer—Exploiting DRAM Rowhammer Bug Through Network Requests

Nethammer—Exploiting DRAM Rowhammer Bug Through Network Requests
May 17, 2018
Last week, we reported about the first network-based remote Rowhammer attack, dubbed Throwhammer , which involves the exploitation a known vulnerability in DRAM through network cards using remote direct memory access (RDMA) channels. However, a separate team of security researchers has now demonstrated a second network-based remote Rowhammer technique that can be used to attack systems using uncached memory or flush instruction while processing the network requests. The research was carried out by researchers who discovered Meltdown and Spectre CPU vulnerabilities, which is independent of the Amsterdam researchers who presented a series of Rowhammer attacks, including Throwhammer published last week. If you are unaware, Rowhammer is a critical issue with recent generation dynamic random access memory (DRAM) chips in which repeatedly accessing a row of memory can cause "bit flipping" in an adjacent row, allowing attackers to change the contents of the memory. The

Here's How eFail Attack Works Against PGP and S/MIME Encrypted Emails

Here's How eFail Attack Works Against PGP and S/MIME Encrypted Emails
May 14, 2018
With a heavy heart, security researchers have early released the details of a set of vulnerabilities discovered in email clients for two widely used email encryption standards—PGP and S/MIME—after someone leaked their paper on the Internet, which was actually scheduled for tomorrow. PGP and S/MIME are popular end-to-end encryption standards used to encrypt emails in a way that no one, not even the company, government, or cyber criminals, can spy on your communication. Before explaining how the vulnerability works, it should be noted that the flaw doesn't reside in the email encryption standards itself; instead, it affects a few email clients/plugins that incorrectly implemented the technologies. Dubbed eFail by the researchers, the vulnerabilities, as described in our previous early-warning article , could allow potential attackers to decrypt the content of your end-to-end encrypted emails in plaintext, even for messages sent in the past. According to the paper released

Severe Bug Discovered in Signal Messaging App for Windows and Linux

Severe Bug Discovered in Signal Messaging App for Windows and Linux
May 12, 2018
Security researchers have discovered a severe vulnerability in the popular end-to-end encrypted Signal messaging app for Windows and Linux desktops which could allow remote attackers to execute malicious code on recipients system just by sending a message—without requiring any user interaction. Discovered by Alfredo Ortega, a software security consultant from Argentina, the vulnerability was announced on Twitter just a few hours ago with a proof-of-concept video, demonstrating how a javascript payload sent over Signal for desktop app successfully got executed on the recipient's system. Although technical details of the vulnerability have not been revealed as of now, the issue appears to be a remote code execution vulnerability in Signal or at least something very close to persistent cross-site scripting (XSS) which eventually could allow attackers to inject malicious code onto targeted Windows and Linux systems. "For the time being, we can only confirm the execution

Microsoft Patches Two Zero-Day Flaws Under Active Attack

Microsoft Patches Two Zero-Day Flaws Under Active Attack
May 09, 2018
It's time to gear up for the latest May 2018 Patch Tuesday. Microsoft has today released security patches for a total of 67 vulnerabilities, including two zero-days that have actively been exploited in the wild by cybercriminals, and two publicly disclosed bugs. In brief, Microsoft is addressing 21 vulnerabilities that are rated as critical, 42 rated important, and 4 rated as low severity. These patch updates address security flaws in Microsoft Windows, Internet Explorer, Microsoft Edge, Microsoft Office, Microsoft Office Exchange Server, Outlook, .NET Framework, Microsoft Hyper-V, ChakraCore, Azure IoT SDK, and more. 1) Double Kill IE 0-day Vulnerability The first zero-day vulnerability ( CVE-2018-8174 ) under active attack is a critical remote code execution vulnerability that was revealed by Chinese security firm Qihoo 360 last month and affected all supported versions of Windows operating systems. Dubbed " Double Kill " by the researchers, the vulnera

Hackers Found Using A New Way to Bypass Microsoft Office 365 Safe Links

Hackers Found Using A New Way to Bypass Microsoft Office 365 Safe Links
May 08, 2018
Security researchers revealed a way around that some hacking groups have been found using in the wild to bypass a security feature of Microsoft Office 365, which is originally designed to protect users from malware and phishing attacks. Dubbed Safe Links, the feature has been included in Office 365 software as part of Microsoft's Advanced Threat Protection (ATP) solution that works by replacing all URLs in an incoming email with Microsoft-owned secure URLs. So, every time a user clicks on a link provided in an email, it first sends the user to a Microsoft owned domain, where the company immediately checks the original URL for anything suspicious. If Microsoft's scanners detect any malicious element, it then warns users about it, and if not, it redirects the user to the original link. However, researchers at cloud security company Avanan have revealed how attackers have been bypassing the Safe Links feature by using a technique called, " baseStriker attack ."

Man Who Hacked Jail Systems to Release His Friend Early Gets 7-Years in Prison

Man Who Hacked Jail Systems to Release His Friend Early Gets 7-Years in Prison
May 01, 2018
Remember a young hacker who hacked jail systems in an attempt to release his prison inmate early? Well, that hacker will now be joining his inmate behind bars. Konrads Voits of Ypsilanti, Michigan, has been sentenced to seven years and three months in prison for attempting to hack the Washtenaw County Jail computer system and modifying prison records to get his friend released early. Besides spending 87 months in prison, Voits has also been ordered to pay $235,488 in fine to Washtenaw County for the cost accrued in investigating and cleaning up the infiltration that resulted in the compromise of personal information of around 1,600 employees, the US Justice Department announced last week. Between January 24th, 2017 and March 10th, 2017, Voits successfully tricked IT staff at Washtenaw County Jail into visiting a phony website at "ewashtenavv.org," which mimics the official URL, "ewashtenaw.org." The malicious website then installed malware on the IT

Faulty Patch for Oracle WebLogic Flaw Opens Updated Servers to Hackers Again

Faulty Patch for Oracle WebLogic Flaw Opens Updated Servers to Hackers Again
Apr 30, 2018
Earlier this month, Oracle patched a highly critical Java deserialization remote code execution vulnerability in its WebLogic Server component of Fusion Middleware that could allow attackers to easily gain complete control of a vulnerable server. However, a security researcher, who operates through the Twitter handle @pyn3rd and claims to be part of the Alibaba security team, has now found a way using which attackers can bypass the security patch and exploit the WebLogic vulnerability once again. WebLogic Server acts as a middle layer between the front end user interface and the backend database of a multi-tier enterprise application. It provides a complete set of services for all components and handles details of the application behavior automatically. Initially discovered in November last year by Liao Xinxi of NSFOCUS security team, the Oracle WebLogic Server flaw (CVE-2018-2628) can be exploited with network access over TCP port 7001. If exploited successfully, the fl

Third Critical Drupal Flaw Discovered—Patch Your Sites Immediately

Third Critical Drupal Flaw Discovered—Patch Your Sites Immediately
Apr 25, 2018
Damn! You have to update your Drupal websites. Yes, of course once again—literally it's the third time in last 30 days. As notified in advance two days back, Drupal has now released new versions of its software to patch yet another critical remote code execution (RCE) vulnerability, affecting its Drupal 7 and 8 core. Drupal is a popular open-source content management system software that powers millions of websites, and unfortunately, the CMS has been under active attacks since after the disclosure of a highly critical remote code execution vulnerability. The new vulnerability was discovered while exploring the previously disclosed RCE vulnerability, dubbed Drupalgeddon2 (CVE-2018-7600) that was patched on March 28, forcing the Drupal team to release this follow-up patch update. According to a new advisory released by the team, the new remote code execution vulnerability (CVE-2018-7602) could also allow attackers to take over vulnerable websites completely. How to Pa

Police Shut Down World's Biggest 'DDoS-for-Hire' Service–Admins Arrested

Police Shut Down World's Biggest 'DDoS-for-Hire' Service–Admins Arrested
Apr 25, 2018
In a major hit against international cybercriminals, the Dutch police have taken down the world's biggest DDoS-for-hire service that helped cyber criminals launch over 4 million attacks and arrested its administrators. An operation led by the UK's National Crime Agency (NCA) and the Dutch Police, dubbed " Power Off, " with the support of Europol and a dozen other law enforcement agencies, resulted in the arrest of 6 members of the group behind the " webstresser.org " website in Scotland, Croatia, Canada and Serbia on Tuesday. With over 136,000 registered users, Webstresser website lets its customers rent the service for about £10 to launch Distributed Denial of Service (DDoS) attacks against their targets with little or no technical knowledge. "With webstresser.org, any registered user could pay a nominal fee using online payment systems or cryptocurrencies to rent out the use of stressers and booters," Europol said. The service was also

Hackers Behind Healthcare Espionage Infect X-Ray and MRI Machines

Hackers Behind Healthcare Espionage Infect X-Ray and MRI Machines
Apr 23, 2018
Security researchers have uncovered a new hacking group that is aggressively targeting healthcare organizations and related sectors across the globe to conduct corporate espionage. Dubbed " Orangeworm ," the hacking group has been found installing a wormable trojan on machines hosting software used for controlling high-tech imaging devices, such as X-Ray and MRI machines, as well as machines used to assist patients in completing consent forms. According to a new report  published by Symantec on Monday, the Orangeworm hacking group has been active since early 2015 and targeting systems of major international corporations based in the United States, Europe, and Asia with a primary focus on the healthcare sector. "We believe that these industries have also been targeted as part of a larger supply-chain attack in order for Orangeworm to get access to their intended victims related to healthcare," Symantec said. After getting into the victim's network, atta

British Schoolboy Who Hacked CIA Director Gets 2-Year Prison Term

British Schoolboy Who Hacked CIA Director Gets 2-Year Prison Term
Apr 21, 2018
The British teenager who managed to hack into the online accounts of several high-profile US government employees sentenced to two years in prison on Friday. Kane Gamble , now 18, hacked into email accounts of former CIA director  John Brennan , former Director of National Intelligence James Clapper , former FBI Deputy Director Mark Giuliano , and other senior FBI officials—all from his parent's home in Leicestershire. Gamble, who went by the online alias Cracka, was just 15 at the time of carrying out those attacks and was the alleged founder of a hacking group calling themselves Crackas With Attitude (CWA). The notorious pro-Palestinian hacking group carried out a series of embarrassing attacks against U.S. intelligence officials and leaked personal details of 20,000 FBI agents , 9,000 officers from Department of Homeland Security, and some number of DoJ staffers in 2015. The teenager was arrested in February 2016 at his home in Coalville and pleaded guilty to 8 charg

Hackers Exploiting Drupal Vulnerability to Inject Cryptocurrency Miners

Hackers Exploiting Drupal Vulnerability to Inject Cryptocurrency Miners
Apr 18, 2018
The Drupal vulnerability (CVE-2018-7600), dubbed Drupalgeddon2 that could allow attackers to completely take over vulnerable websites has now been exploited in the wild to deliver malware backdoors and cryptocurrency miners. Drupalgeddon2, a highly critical remote code execution vulnerability discovered two weeks ago in Drupal content management system software, was recently patched by the company without releasing its technical details. However, just a day after security researchers at Check Point and Dofinity published complete details, a Drupalgeddon2 proof-of-concept (PoC) exploit code was made widely available, and large-scale Internet scanning and exploitation attempts followed. At the time, no incident of targets being hacked was reported, but over the weekend, several security firms noticed that attackers have now started exploiting the vulnerability to install cryptocurrency miner and other malware on vulnerable websites. The SANS Internet Storm Center spotted so

CCleaner Attack Timeline—Here's How Hackers Infected 2.3 Million PCs

CCleaner Attack Timeline—Here's How Hackers Infected 2.3 Million PCs
Apr 18, 2018
Last year, the popular system cleanup software CCleaner suffered a massive supply-chain malware attack of all times, wherein hackers compromised the company's servers for more than a month and replaced the original version of the software with the malicious one. The malware attack infected over 2.3 million users who downloaded or updated their CCleaner app between August and September last year from the official website with the backdoored version of the software. Now, it turns out that the hackers managed to infiltrate the company's network almost five months before they first replaced the official CCleaner build with the backdoored version, revealed Avast executive VP and CTO Ondrej Vlcek at the RSA security conference in San Francisco on Tuesday. 6-Months Timeline of CCleaner Supply Chain Attack Vlcek shared a brief timeline of the last year's incident that came out to be the worst nightmare for the company, detailing how and when unknown hackers breached Pi

Cybercriminals Hijack Router DNS to Distribute Android Banking Trojan

Cybercriminals Hijack Router DNS to Distribute Android Banking Trojan
Apr 16, 2018
Security researchers have been warning about an ongoing malware campaign hijacking Internet routers to distribute Android banking malware that steals users' sensitive information, login credentials and the secret code for two-factor authentication. In order to trick victims into installing the Android malware, dubbed Roaming Mantis , hackers have been hijacking DNS settings on vulnerable and poorly secured routers . DNS hijacking attack allows hackers to intercept traffic, inject rogue ads on web-pages and redirect users to phishing pages designed to trick them into sharing their sensitive information like login credentials, bank account details, and more. Hijacking routers' DNS for a malicious purpose is not new. Previously we reported about widespread DNSChanger and Switcher —both the malware worked by changing the DNS settings of the wireless routers to redirect traffic to malicious websites controlled by attackers. Discovered by security researchers at Kaspersk
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