Linux Kernel Bug Knocks PCs, IoT Gadgets and More Offline

Multiple TCP-based remote denial-of-service vulnerabilities have been uncovered in the FreeBSD and Linux kernels by Netflix researchers. Exploitation would interrupt TCP connections and therefore streaming content flows to vulnerable Linux-based PCs putting a crimp in binge-watching, for instance...

Decryptor Keys Published for Maze, Egregor, Sekhmet Ransomwares

The shackles have been broken for victims of Maze/Egregor/Sekhmet ransomware: On Wednesday, decryption keys were released for all three ransomware strains in a forum post. The liberator, using the handle “Topleak,” described themselves as the developer of the three ransomwares. It’s been lovely,...

Actively Exploited Microsoft Zero-Day Allows App Spoofing, Malware Delivery

Microsoft has addressed a zero-day vulnerability that was exploited in the wild to deliver Emotet, Trickbot and more in the form of fake applications. The patch came as part of the computing giant’s December Patch Tuesday update, which included a total of 67 fixes for security vulnerabilities. Th...

REvil Ransomware Code Ripped Off by Rivals

They say imitation is the sincerest form of flattery: The LV ransomware, a strain that cropped up just this spring, turns out to be based on what is most likely pirated REvil ransomware code, according to researchers. A malware analysis of LV from Secureworks Counter Threat Unit CTU found that it...

DoppelPaymer Gang Leaks Files from Illinois AG After Ransom Negotiations Break Down

The ransomware gang identified as DoppelPaymer has leaked a substantial collection of files from the Illinois Office of the Attorney General OAG on a server controlled by the cybercriminal group. The move came after ransom negotiations between the two parties broke down following a ransomware...

Critical Remote Code-Execution Bugs Threaten Global Power Plants

Siemens industrial equipment commonly found in fossil-fuel and large-scale renewable power plants are riddled with multiple security vulnerabilities, the most severe of which are critical bugs allowing remote code-execution. The affected product is SPPA-T3000, a distributed control system used fo...

Ring Adds End-to-End Encryption to Quell Security Uproar

Smart doorbell maker Ring is giving cybersecurity critics less to gripe about with the introduction of end-to-end encryption to many of its models. Ring products, which have been a juggernaut success with consumers, have faced a litany of harsh criticism from cybersecurity experts for what they s...

Lenovo, HP, Dell Peripherals Face Unpatched Firmware Bugs

Fresh firmware vulnerabilities in Wi-Fi adapters, USB hubs, trackpads and cameras are putting millions of peripheral devices in danger of a range of cyberattacks, according to research from Eclypsium. TouchPad and TrackPoint firmware in Lenovo Laptops, HP Wide Vision FHD camera firmware in HP...

Shades of BlueKeep: Wormable Remote Desktop Bugs Top August Patch Tuesday List

Microsoft’s August Patch Tuesday release contains updates for 93 CVEs, including 29 that are rated critical in severity. The highest priority of these include four critical remote code-execution RCE vulnerabilities in Remote Desktop Services RDS and a critical RCE flaw in Microsoft Word. Also, tw...

Stuxnet LNK Exploits Still Widely Circulated

One of the alleged mandates around the development of the Stuxnet worm was that malware’s numerous components—which included a handful of zero days—should never escape the Natanz uranium enrichment facility in Iran. Eight years later, evidence continues to mount as to how that mandate was...

Attacks on New Microsoft Zero Day Using Multi-Stage Malware

Attackers exploiting the Microsoft Windows and Office zero day revealed yesterday are using an exploit that includes a malicious RAR file as well as a fake Office document as the lure, and are installing a wide variety of malicious components on newly infected systems. The attacks seen thus far a...

Phishing Campaign Targeted Those Aiding Ukraine Refugees

Cyberattackers used a compromised Ukrainian military email address to phish EU government employees who’ve been involved in managing the logistics of refugees fleeing Ukraine, according to a new report. Ukraine has been at the center of an unprecedented wave of cyberattacks in recent weeks and...

APT Charming Kitten Pounces on Medical Researchers

Security researchers have linked a late-2020 phishing campaign aimed at stealing credentials from 25 senior professionals at medical research organizations in the United States and Israel to an advanced persistent threat group with links to Iran called Charming Kitten. The campaign—dubbed BadBloo...

Annoyingly Believable Tax Refund Scam Targets Mobile

A text message-based tax scam is making the rounds in the U.K., in a probable harbinger of things to come as the U.S. tax season gets underway in earnest. SMS messages are going out to unsuspecting U.K. citizens claiming to be from Her Majesty’s Revenue and Customs HMRC, the country’s...

Apple Patches Intel Side-Channel Bugs; Updates iOS, macOS and More

Apple has rolled out 173 patches across in various products across its hardware portfolio, including for dangerous bugs in macOS for laptops and desktops, iPhone, Apple TV and Apple Watch. The update also includes a patch for the side-channel vulnerabilities in Intel chips disclosed on Tuesday,...

Lapsus$ ‘Back from Vacation’

The Lapsus$ data extortionists are back from a week-long “vacation,” they announced on Telegram, posting 70GB worth of data purportedly stolen from software development giant Globant. “We are officially back from a vacation,” the gang wrote on their Telegram channel, posting images of exfiltrated...

US Military Ties Prolific MuddyWater Cyberespionage APT to Iran

U.S. Cyber Command has confirmed that MuddyWater – an advanced persistent threat APT cyberespionage actor aka Mercury, Static Kitten, TEMP.Zagros or Seedworm that’s historically targeted government victims in the Middle East – is an Iranian intelligence outfit. The link has been suspected, and no...

Zero-Day No More: Windows Bug Gets a Fix

The local privilege-escalation LPE zero-day bug in Microsoft Task Scheduler, disclosed by SandboxEscaper on Twitter in late May by way of making public a fully functioning exploit, now has a micropatch. The interim fix, from 0patch, was issued Tuesday to address the vulnerability. The bug would...

Infosecurity Europe: Cryptojacking is Making a Comeback

LONDON, UK – With cryptocurrency prices skyrocketing, the threat of cryptomining malware, used to mine various types of cryptocurrencies, is continuing to worry the security industry. Case in point: Recently researchers uncovered the Nansh0u campaign, a cryptojacking campaign that mines an...

Second Try at LSASS Patch Addresses Vulnerability

Microsoft’s second try at patching a vulnerability in a critical Windows process apparently is more successful than its first attempt. Yesterday, as part of its monthly Patch Tuesday release of security bulletins, Microsoft sent out an update that fixed a denial-of-service vulnerability in the...

Google Play Bitten by Sharkbot Info-stealer ‘AV Solution’

Researchers have found the info-stealing Android malware Sharkbot lurking unsuspected in the depths of the Google Play store under the cover of anti-virus AV solutions. While analyzing suspicious applications on the store, the Check Point Research CPR team found what purported to be genuine AV...

From PowerShell to Payload: An Analysis of Weaponized Malware

UPDATE Click, and boom, your network is compromised. All a hacker needs is one successful exploit and you could have a very bad day. Recently we uncovered one artifact that we would like to break down and showcase. We will get “into the weeds” here and really deep-dive on the technical details, s...

Microsoft Settles With Kelihos Botnet Defendant, Says He Didn't Run the Network

Microsoft on Friday said it has reached a settlement with a Russian programmer it named as a defendant in a lawsuit related to the operation of the notorious Kelihos botnet. The company said that it no longer believes Andrey N. Sabelnikov was the operator of the botnet, but was instead responsibl...

DarkHotel APT Targets Wynn, Macao Hotels to Rip Off Guest Data

An advanced persistent threat APT group has been targeting luxury hotels in Macao, China with a spear-phishing campaign aimed at breaching their networks and stealing the sensitive data of high-profile guests staying at resorts, including the Grand Coloane Resort and Wynn Palace. A threat researc...

80% of Net Neutrality Comments to FCC Were Fudged

Broadband providers and a 19-year-old college student were among those who successfully hijacked public comments during a crucial decision-making process in 2017 to overturn net neutrality by flooding the Federal Communications Commission FCC with fraudulent comments indicating their position on...

Chase Bank Phish Swims Past Exchange Email Protections

Threat actors are impersonating Chase Bank in two phishing attacks that can slip past Microsoft Exchange security protections in an aim to steal credentials from victims — by spoofing real-life customer scenarios. Researchers from Armorblox recently discovered the attacks, one of which claims to...

China's APT3 Pilfers Cyberweapons from the NSA

The advanced persistent threat APT group known as APT3, which researchers across the board link to the Chinese government, has built a full in-house battery of exploits and cybertools collectively dubbed “UPSynergy.” An analysis of the toolkit has uncovered a geopolitical cat-and-mouse spy game: ...

Security Camera Firm Arlo Zaps High-Severity Bugs

Two high-severity vulnerabilities in Arlo Technologies’ wireless home security camera gear have been patched. The flaws, which indirectly impact Arlo’s popular fleet of wireless home security cameras, are limited to adversaries with local network and physical access to Arlo Base Stations. Both...

Linux Kernel Flaw Allows Remote Code-Execution

Millions of Linux systems could be vulnerable to a high-impact race condition flaw in the Linux kernel. Kernel versions prior to 5.0.8 are affected by the vulnerability CVE-2019-11815, which exists in the rdstcpkillsock in net/rds/tcp.c. “There is a race condition leading to a use-after-free UAF,...

Critical Security Bug Can Knock Smart Meters Offline

Critical security vulnerabilities in Schneider Electric smart meters could allow an attacker a path to remote code execution RCE, or to reboot the meter causing a denial-of-service DoS condition on the device. Schneider Electric’s PowerLogic ION/PM smart meter product line, like other smart meter...

Critical Steam Flaws Could Let Gamers Crash Opponents’ Computers

Game developer Valve has fixed critical four bugs in its popular Steam online game platform. If exploited, the flaws could allow a remote attacker to crash an opponent’s game client, take over the computer – and hijack all computers connected to a third-party game server. Steam is utilized by mor...

WordPress Plugin WP Statistics Patches XSS Flaw

WordPress plugin WP Statistics has patched a cross-site scripting XSS vulnerability that could allow for full website takeover, if the website is operating under certain non-default settings. WP Statistics gives website owners a tool to analyze site statistics, such as the number of visitors on t...

Firefox and Edge Fall to Hackers on Day Two of Pwn2Own

Hackers took down the Mozilla Firefox and Microsoft Edge browsers on Thursday at Pwn2Own, the annual hacking conference held in tandem with CanSecWest, as the competition continued for a second day. The dynamic hacking duo of Amat Cama and Richard Zhu, which make up team Fluoroacetate, had anothe...

Samsung Screwed Up Encryption on 100M Phones

Samsung shipped an estimated 100 million smartphones with botched encryption, including models ranging from the 2017 Galaxy S8 on up to last year’s Galaxy S21. Researchers at Tel Aviv University found what they called “severe” cryptographic design flaws that could have let attackers siphon the...

‘Privateer’ Threat Actors Emerge from Cybercrime Swamp

A new type of cybercriminal is emerging in a cyber-threat landscape that’s historically been dominated by either state-sponsored threat actors or financially-motivated criminals that are hunted and prosecuted by law enforcement. Dubbed “privateers” by researchers at Cisco Talos Intelligence, thes...

Yandex Data Breach Exposes 4K+ Email Accounts

Yandex – one of Europe’s largest internet companies – is warning of a data breach that compromised 4,887 email accounts. The breach stems from an insider threat. Yandex is the most-used search engine in Russia – and the fifth most-popular search engine worldwide. Beyond its search engine, Yandex’...

Microsoft Patches A Pair of Zero-Days Under Active Attack

Microsoft has addressed 77 vulnerabilities in its July Patch Tuesday update, with 15 of them rated as critical and two known to be under active exploit; and Adobe issued a small group of updates, with surprisingly none for Acrobat Reader or Flash. Eleven of the critical bugs are for scripting...

Mac Malware Targets Apple’s New M1 Processor

Three months after Apple launched its new M1 system-on-a-chip SoC, cybercriminals have developed what may be the first malicious macOS application targeting the mobile giant’s first in-house silicon. Click to Register The recently uncovered malicious application, called GoSearch22, natively runs ...

22 Critical Flaws Patched in Adobe Photoshop

Adobe has patched 22 critical vulnerabilities in Adobe Photoshop CC, its photo editing application, which the company warns can enable arbitrary code execution. Overall, Adobe issued patches for 119 important and critical vulnerabilities in August, including 25 critical bugs across several...

Hacked Hair Straighteners Can Threaten Homes

Researchers have found a way to successfully hack connected hair straighteners to turn them on and increase the heating element up to its maximum temperature—causing a serious fire hazard for unsuspecting owners. Pen Test Partners decided to put the Glamoriser hair straightener through its securi...

Fake Jason Statham Bilks a Fan Out of Serious Money

English actor Jason Statham – a.k.a. “the Transporter” – is cozying up to people who like his Facebook page – or at least, someone purporting to be him is. A fraudster managed to bilk a vulnerable and unsuspecting Statham fan out of a “significant amount” of money after approaching her while she...

6 Cyber-Defense Steps to Take Now to Protect Your Company

The headlines feel like Groundhog Day, if each of Bill Murray’s repeated days grew increasingly threatening: Ransomware attacks rise again. Ransomware attacks up over last quarter. Ransomware attacks tower over previous year. You get the idea. And yet again, a new report from Ivanti sends a clear...

Critical Bugs in Utilities VPNs Could Cause Physical Damage

Remote code-execution vulnerabilities in virtual private network VPN products could impact the physical functioning of critical infrastructure in the oil and gas, water and electric utilities space, according to researchers. Researchers at Claroty found that VPNs used to provide remote access to...

Fearing WannaCry-Level Danger, Enterprises Wrestle with BlueKeep

The nightmare vision of a “mega-worm” global BlueKeep infection could be closer to becoming reality as working exploits are now becoming available to the public, and there’s evidence that adversaries are actively scanning for the vulnerability. Researchers weighed in with Threatpost about how...

New Critical RCE Bug Found in Adobe Commerce, Magento

Yet another zero-day bug has been discovered in the Magento Open Source and Adobe Commerce platforms, while researchers have created a working proof-of-concept PoC exploit for the recently patched CVE-2022-24086 vulnerability that came under active attack and forced Adobe to push out an emergency...

Unpatched Linux Marketplace Bugs Allow Wormable Attacks, Drive-By RCE

An unpatched stored cross-site-scripting XSS security vulnerability affecting Linux marketplaces could allow unchecked, wormable supply-chain attacks, researchers have found. The bug was found to affect Pling-based markets by researchers at Positive Security, including AppImage Hub, Gnome-Look, K...

Cisco Webex, Router Bugs Allow Code Execution

Cisco is warning of three high-severity flaws in its popular Webex web conferencing app, including one that could allow an unauthenticated attacker to remotely execute code on impacted systems. Beyond Webex, the networking giant on Wednesday also patched a slew of bugs across several products,...

Windows Users at Risk From High-Severity Intel Software Flaw

Intel is warning of a high-severity vulnerability existing in its software that identifies the specification of Intel processors in Windows systems. The flaw could have an array of malicious impacts on affected systems, such as opening systems up to information disclosure or denial of service...

New FormBook Dropper Harbors Obfuscation, Persistence

Researchers are warning that a future data-theft attack may be brewing after discovering a new sample of the FormBook malware, with a never-before-seen dropper — i.e. a malicious file that is used in the initial infection stage and installs malware on the system. FormBook, a browser form-stealer...

Attackers Targeting MSXML Flaw With Malicious Flash Files

The unpatched vulnerability in Internet Explorer’s MSXML component that Microsoft warned users about earlier this month is being used in attacks that employ malicious Flash files. Researchers say that the attacks are taking the form of drive-by downloads launched from compromised legitimate sites...