15946 matches found
Dell Patches SupportAssist Flaw That Allows Arbitrary Code Execution
Dell has patched a high-severity flaw in its SupportAssist software that could allow an attacker to execute arbitrary code with administrator privileges on affected computers. The flaw, an uncontrolled search path vulnerability that is being tracked as CVE-2020-5316, could allow a locally...
vBulletin Flaw Exploited in Dutch Sex-Work Forum Breach
Hackers have stolen the account details of 250,000 users of Dutch sex-work forum Hookers.nl – including email addresses of both escorts and customers. The website provides a forum for escorts and customers to discuss sex work — including clients discussing their experiences with sex workers. A...
Mystery Windows 7 Update An Accidental Test Update
A suspicious Windows 7 update today raised concern on a number of Microsoft and technology forums that the Windows Update service had been compromised. Microsoft, however, cleared the air several hours later admitting that the update was their mistake. “We incorrectly published a test update and...
EnemyBot Malware Targets Web Servers, CMS Tools and Android OS
A rapidly evolving IoT malware dubbed “EnemyBot” is targeting content management systems CMS, web servers and Android devices. Threat actor group “Keksec” is believed behind the distribution of the malware, according to researchers. “Services such as VMware Workspace ONE, Adobe ColdFusion,...
Indictments, Attribution Unlikely to Deter Chinese Hacking
The federal government is fighting back against what it says are China-based cyberattacks against U.S. universities and companies with indictments and a “naming-and-shaming” approach — but researchers aren’t convinced the efforts will come to much in terms of deterring future activity. On Monday,...
A Peek Inside the Underground Ransomware Economy
Ransomware is not just a type of malware – it’s also at the center of a sophisticated, flourishing underground economy that has all the conventions of legitimate commerce. It’s a community made up of major malware developers, affiliates and channel partners, and those that provide adjacent...
WP Statistics Bug Lets Attackers Lift Sites’ Data
WP Statistics, a plugin installed on more than 600,000 WordPress websites, has an SQL-injection security vulnerability that could let site visitors make off with all kinds of sensitive information from web databases, including emails, credit-card data, passwords and more. WP Statistics, as its na...
2021 Attacker Dwell Time Trends and Best Defenses
Cyberattacks have shifted from the usual smash-and-grab type of heists to stealthier campaigns where hackers silently camp out on networks for long periods, stealing anything they can get their hands on. Called attacker dwell time, this is part of an adversarial approach that has become even more...
Latest Mirai Variant Targets SonicWall, D-Link and IoT Devices
A new variant of the Mirai botnet has been discovered targeting a slew of vulnerabilities in unpatched D-Link, Netgear and SonicWall devices — as well as never-before-seen flaws in unknown internet-of-things IoT gadgets. Since Feb. 16, the new variant has been targeting six known vulnerabilities ...
Unpatched Bug in WiFi Mouse App Opens PCs to Attack
The mobile application called WiFi Mouse, which allows users to control mouse movements on a PC or Mac with a smartphone or tablet, has an unpatched bug allowing adversaries to hijack desktop computers, according to researcher Christopher Le Roux who found the flaw. Impacted is the Android app’s...
Microsoft Patch Tuesday Update Fixes 17 Critical Bugs
Microsoft’s November Patch Tuesday roundup of security fixes tackled an unusually large crop of remote code execution RCE bugs. Twelve of Microsoft’s 17 critical patches were tied to RCE bugs. In all, 112 vulnerabilities were patched by Microsoft, with 93 rated important, and two rated low in...
Demo of ASP.NET Padding Oracle Attack
In this video, researchers Juliano Rizzo and Thai Duong demonstrate the technique they developed for stealing cryptographic keys for ASP.NET Web applications, enabling them to compromise virtually any app built on ASP.NET. You can read the full story of their attack in this article, “Padding Orac...
U.S. Weapons Programs Lack 'Key' Cybersecurity Measures
Weapons programs from the U.S. Department of Defense DoD are falling short when it comes to incorporating cybersecurity requirements, according to a new watchdog report. While the DoD has developed a range of policies aimed at hardening the security for its weapon systems, the guidance leaves out...
Valak Loader Revamped to Rob Microsoft Exchange Servers
Threat actors have revamped a popular malware loader into a stealthy infostealer that targets Microsoft Exchange servers to pilfer enterprise mailing information, passwords and enterprise certificates, researchers have found. Security researchers from Cybereason Nocturnus have discovered Valak, a...
Cisco Webex Flaw Lets Unauthenticated Users Join Private Online Meetings
UPDATE Cisco Systems has fixed a high-severity vulnerability in its popular Webex video conferencing platform, which could let strangers barge in on password-protected meetings – no authentication necessary. A remote attacker would not need to be authenticated to exploit the flaw, according to...
‘StrandHogg’ Vulnerability Allows Malware to Pose as Legitimate Android Apps
Researchers have discovered a new Android vulnerability that could allow malware to pose as popular apps and ask for various permissions, potentially allowing hackers to listen in on users, take photos, read and send SMS messages, and basically take over various functions as if they are the...
Apache Struts 2 Flaw Uncovered: ‘More Critical Than Equifax Bug’
A critical remote code-execution vulnerability in Apache Struts 2, the popular open-source framework for developing web applications in the Java programming language, is threatening a wide range of applications, even when no additional plugins have been enabled. Successful exploitation could lead...
Medusa Malware Joins Flubot’s Android Distribution Network
Flubot, the Android spyware that’s been spreading virally since last year, has hitched its infrastructure wagon up to another mobile threat known as Medusa. That’s according to ThreatFabric, which found that Medusa is now being distributed through the same SMS-phishing infrastructure as Flubot,...
‘Tortilla’ Wraps Exchange Servers in ProxyShell Attacks
A new-ish threat actor sometimes known as “Tortilla” is launching a fresh round of ProxyShell attacks on Microsoft Exchange servers, this time with the aim of inflicting vulnerable servers with variants of the Babuk ransomware. Cisco Talos researchers said in a Wednesday report that they spotted...
How Email Attacks are Evolving in 2021
Hundreds of thousands of dollars lost. Financial and emotional ruin. And in some cases, suicide. These are some of the outcomes business email compromise BEC attacks have on victims, said Ronnie Tokazowski, senior threat researcher with Agari. These type of attacks don’t garner the same attention...
DarkCrewFriends Returns with Botnet Strategy
The hackers-for-hire group DarkCrewFriends has resurfaced and is targeting content management systems to build a botnet. The botnet can be marshalled into service to carry out a variety of criminal activities, including distributed denial-of-service DDoS attacks, command execution, information...
Critical Android Flaw Leads to 'Permanent DoS’
Google has released an update stomping out three critical-severity vulnerabilities in its Android operating system — one of which could result in “permanent denial of service” on affected mobile devices if exploited. The vulnerabilities are part of Google’s December 2019 Android Security Bulletin...
New Drupalgeddon Attacks Enlist Shellbot to Open Backdoors
Researchers are warning of a new wave of cyberattacks targeting unpatched Drupal websites that are vulnerable to Drupalgeddon 2.0. What’s unique about this latest series of attacks is that adversaries are using PowerBot malware, an IRC-controlled bot also called PerlBot or Shellbot. Researchers a...
Threat Actors Use Google Docs to Host Phishing Attacks
Threat actors are exploiting Google Docs by hosting their attacks within the web-based document service in a new phishing campaign that delivers malicious links aimed at stealing victims’ credentials. Researchers at email and collaboration security firm Avanan discovered the campaign, which is th...
Insurance Giant CNA Hit with Novel Ransomware Attack
A novel ransomware attack forced insurance giant CNA to take systems offline and temporarily shutter its website. The attack occurred earlier this week and leveraged a new variant of the Phoenix CryptoLocker malware. The Chicago-based company—the seventh largest commercial insurance provider in t...
Billions of Devices Open to Wi-Fi Eavesdropping Attacks
SAN FRANCISCO — A serious vulnerability in Wi-Fi chips has been discovered that affects billions of devices worldwide, according to researchers. It allows attackers to eavesdrop on Wi-Fi communications. The bug CVE-2019-15126 stems from the use of an all-zero encryption key in chips made by...
Microsoft Tackles Election Security with Bug Bounties
As the 2020 presidential election draws closer and primary season looms around the corner, Microsoft has launched a bug-bounty program specifically aimed at its ElectionGuard product, which the software giant has positioned as performing “end-to-end verification of elections.” ElectionGuard is a...
Critical RCE Bug Found Lurking in Avaya VoIP Phones
A decade-old remote code-execution RCE bug has been found, unpatched, in an Avaya desk phone that’s used at 90 percent of Fortune 100 companies. If exploited, attackers could remotely take over the operation of the phone, exfiltrate audio and potentially even “bug” the phone to listen in...
Free HermeticRansom Ransomware Decryptor Released
A free decryptor is out to unlock a ransomware found piggybacking on the HermeticWiper data wiper malware that ESET and Broadcom’s Symantec discovered targeting machines at financial, defense, aviation and IT services outfits in Ukraine, Lithuania and Latvia last week. The fact that there was...
Critical Flash Player Flaw Opens Adobe Users to RCE
Adobe is warning of a critical vulnerability in its Flash Player application for users on Windows, macOS, Linux and ChromeOS operating systems. The vulnerability is the only flaw released this month as part of Adobe’s regularly scheduled patches markedly less than the 18 flaws addressed during it...
DHS Issues Dire Patch Warning for ‘Zerologon’
Federal agencies that haven’t patched their Windows Servers against the ‘Zerologon’ vulnerability by Monday Sept. 21 at 11:59 pm EDT are in violation of a rare emergency directive issued by the Secretary of Homeland Security. With only hours until the deadline for the directive, issued on Friday,...
Geek Squad Vishing Attack Bypasses Email Security to Hit 25K Mailboxes
A pair of billing and tech support “vishing” attacks using Geek Squad and Norton Antivirus as cover managed to hit 25,000 mailboxes recently, questing after victims’ credit-card details. Vishing a contraction of “voice phishing” generally involves stealing personal information from victims over t...
Mozilla Fixes Firefox Flaw That Allowed Spoofing of HTTPS Browser Padlock
The Mozilla Foundation fixed a flaw in its Firefox browser that allowed spoofing of the HTTPS secure communications icon, displayed as a padlock in the browser address window. Successful exploitation of the flaw could have allowed a rogue website to intercept browser communications. The patch was...
Fleeceware Apps Bank $400M in Revenue
About 204 different “fleeceware” applications with a combined billion+ downloads have raked in more than $400 million in revenue so far, via the Apple App Store and Google Play, analysis has revealed. Fleeceware apps generally offer users a free trial to “test” the app, before commencing automati...
Fishwrap Campaign Sways Social Media Users with Old News
An influence operation that recycles old news about terror incidents and re-publishes them as if they were new is making the rounds on social media, according to Recorded Future analysis. The technique, which the researchers have dubbed Fishwrap since it repurposes old news, is also using a speci...
The APT Name Game: How Grim Threat Actors Get Goofy Monikers
What’s in a name? When it comes to advanced persistent threat groups, it is often quite a bit. While their monikers’ may seem whimsical – Fancy Bear, Nomadic Octopus, Ocean Lotus and Darkhotel – the reality is these are not arbitrary names. In fact, many are similar to schoolyard nicknames or a...
Malware That Targets Both Microsoft, Apple Operating Systems Found
Researchers came across a malicious Word document last week that doesn’t discriminate between OS platforms. The malicious Word document is designed to spread malware on either Mac OS X or Microsoft Windows, depending on where it’s opened. Like many other strains of malware these days, the sample,...
Log4JShell Used to Swarm VMware Servers with Miners, Backdoors
What researchers are calling a “horde” of miner bots and backdoors are using the Log4Shell bug to take over vulnerable VMware Horizon servers, with threat actors still actively waging some attacks. On Tuesday, Sophos reported that the remote code execution RCE Log4j vulnerability in the ubiquitou...
Hackers Leverage Adobe Zero-Day Bug Impacting Acrobat Reader
Adobe is warning customers of a critical zero-day bug actively exploited in the wild that affects its ubiquitous Adobe Acrobat PDF reader software. A patch is available, as part of the company’s Tuesday roundup of 43 fixes for 12 of its products, including Adobe Creative Cloud Desktop Application...
Sprawling Cyberattack Breaches Several Airlines
A communications and IT vendor for 90 percent of the world’s airlines, SITA, has been breached, compromising passenger data stored on the company’s U.S. servers in what the company is calling a “highly sophisticated attack.” The affected servers are in Atlanta, and belong to the SITA Passenger...
National Surveillance Camera Rollout Roils Privacy Activists
While controversy over the potential overreach of neighborhood and law-enforcement video surveillance has focused mainly on Ring, an Atlanta-based startup has quietly rolled out its own network of smart surveillance cameras across the country that is again raising questions of privacy and the ire...
Misconfigured Baby Cams Allow Unauthorized Viewing
A vulnerability affecting multiple baby monitors could allow someone to drop in and view a camera’s video stream, according to researchers. Potentially hundreds of thousands of live devices are impacted, they said. The issue exists in the manufacturers’ implementation of the Real-Time Streaming...
Apache Guacamole Opens Door for Total Control of Remote Footprint
Apache Guacamole, a popular infrastructure for enabling remote working, is vulnerable to a slew of security bugs related to the Remote Desktop Protocol RDP, researchers have warned. Admins should update their systems to avoid attacks bent on stealing information or remote code-execution. “Once in...
News Wrap: Nintendo Account Hacks, Apple Zero Days, NFL Security
For the week ended April 24, Threatpost editors discuss the hottest cybersecurity news stories, including: Apple zero days disclosed in the iPhone iOS that researchers say have been exploited for years. Meanwhile, Apple has pushed back and said there’s no evidence to support such activity. Ninten...
Malware Infests Popular Pirate Streaming Hardware
You get what you pay for when you pirate content. That’s the takeaway from the latest report by Digital Citizens Alliance. It found that pirating hardware, which enables free streaming copyright-protected content, comes packed with malicious malware. The devices give criminals easy access to rout...
GoDaddy Shutters 15,000 Subdomains Tied to 'Snake Oil' Scams
Researchers at the security firm Palo Alto Networks worked with domain registrar and web hosting firm GoDaddy to shut down 15,000 subdomains pitching ‘snake oil’ products and other scams. The takedowns are linked to affiliate marketing campaigns peddling everything from weight-loss solutions and...
Zusy Malware Installs Via Mouseover – No Clicking Required
Researchers are warning of several recent spam campaigns delivering PowerPoint files that when opened contain a mouseover link that installs a variant of the Zusy malware. The malware is novel because it does not rely on macros, JavaScript or VBA macros to be enabled for the dropper file to...
Exchange Servers Speared in IcedID Phishing Campaign
The ever-evolving banking trojan IcedID is back again with a phishing campaign that uses previously compromised Microsoft Exchange servers to send emails that appear to come from legitimate accounts. Attackers also are using stealthy new payload-delivery tactics to spread the modular malware...
Sextortion Rears Its Ugly Head Again
A new French-language sextortion campaign is making the rounds, researchers warn. As noted by Sophos researchers in a Monday report, sextortion is one of the oldest tricks in the book, but its popularity has waned in recent years due to effective cybersecurity, law enforcement crackdowns and the...
Pandemic-Bored Attackers Pummeled Gaming Industry
Attacks on the gaming industry skyrocketed during the year of the pandemic, with attacks on web applications shooting up 340 percent in 2020. According to Akamai Technologies’ latest State of the Internet and Security report, Gaming in a Pandemic PDF, cyberattack traffic targeting the video game...