A guide to the IIS WebDAV vulnerability

Even for the most experienced security professionals, understanding complex attacks and vulnerabilities sometimes can be a serious challenge. A perfect example is the recent Microsoft IIS WebDAV vulnerability, which surfaced last week and has yet to be patched by Microsoft. It’s a complicated...

Intel Squashes High-Severity Graphics Driver Flaws

Intel has issued fixes for five high-severity vulnerabilities in its graphics drivers. Attackers can exploit these flaws to launch an array of malicious attacks – such as escalating their privileges, stealing sensitive data or launching denial-of-service attacks. The graphics driver is software...

Windows Exploit Released For Microsoft ‘Zerologon’ Flaw

Proof-of-concept PoC exploit code has been released for a Windows flaw, which could allow attackers to infiltrate enterprises by gaining administrative privileges, giving them access to companies’ Active Directory domain controllers DCs. The vulnerability, dubbed “Zerologon,” is a...

Temporary Patch Released For Adobe Reader Zero-Day

A temporary patch has been released to address a zero-day vulnerability in Adobe Reader that could enable bad actors to steal victims’ hashed password values, known as “NTLM hashes.” 0patch on Monday released a micropatch for the flaw, found in Adobe Reader DC. The vulnerability, which has no...

First 'Clipper' Malware Discovered on Google Play

A malicious app designed to steal cryptocurrency from victims by replacing a wallet address in the phone’s clipboard has been discovered harboring the first “clipper” malware discovered on Google Play, the official Android app store. Usually cryptocurrency-stealers are found on unsanctioned Andro...

Google Patches Critical .PNG Image Bug

Google has patched a critical vulnerability in its current and legacy versions of its Android operating system, which allow an attacker to send a specially crafted Portable Network Graphics .PNG image file to a targeted device and execute arbitrary code. In its February Android Security Bulletin,...

Microsoft Releases New Regex Fuzzer

Microsoft has released a new fuzzing tool designed specifically to find mistakes in regular expressions in application code that could be vulnerable to attack. The SDL Regex Fuzzer identifies problematic lines that might cause an application to be susceptible to attacks that consume huge amounts ...

A Blockchain Primer and Bored Ape Headscratcher – Podcast

Why in the world would a collection of nonfungible token NFT gorilla avatars called the Bored Ape Yacht Club BAYC, run by 30-somethings using aliases like “Emperor Tomato Ketchup” and “No Sass” and adored by celebrities, spiral on up to a multibillion-dollar valuation …and, by the way, how can yo...

Apple Plugs Severe WebKit Remote Code-Execution Hole

Apple is rolling out fixes for a high-severity vulnerability in its WebKit browser engine that, if exploited, could allow remote attackers to completely compromise affected systems. The mobile giant released security updates on Monday for the flaw, for its Safari browser, as well as devices runni...

High-Severity Chrome Bugs Allow Browser Hacks

Google has updated its Chrome web browser, fixing four bugs with a severity rating of “high” and eight overall. Three are use-after-free flaws, which could allow an adversary to generate an error in the browser’s memory, opening the door to a browser hack and host computer compromise. On Friday,...

Apache Tomcat Exploit Poised to Pounce, Stealing Files

A vulnerability in the popular Apache Tomcat web server is ripe for active attack, thanks to a proof-of-concept PoC exploit making an appearance on GitHub. The now-patched bug affects Tomcat versions 7.0, 8.5 and 9.0. According to Flashpoint analysts Cheng Lu and Steven Ouellette, an exploit for...

Apple Security Updates Tackle iOS Device Tracking, RCE Flaws

Apple’s latest security fixes, released Tuesday, tackle a wide range of bugs, including several patches for high-risk flaws that could allow for remote code execution RCE. Of particular interest to privacy-minded iPhone 11 users is an iOS 13.3.1 update that allows users to turn off U1...

Astaroth Spy Trojan Uses Facebook, YouTube Profiles to Cover Tracks

Facebook and YouTube profiles are at the heart of an ongoing phishing campaign spreading the Astaroth trojan, bent on the eventual exfiltration of sensitive information. The attack is sophisticated in that it uses normally trusted sources as cover for malicious activities – thus evading usually...

Modern Defenders Share, Visualize and Succeed

TENERIFE, Spain – Network defenders who rely solely on lists of assets to protect are running a fool’s errand. Instead, it’s crucial to think in graphs to not only visualize threats, but also to understand network edges, and dependencies between assets and accounts in order to be able to capture...

Microsoft to Eliminate Weak MD5 Crypto Algorithm

The clock is running on Windows administrators to sweep out MD5 implementations before a February 2014 patch from Microsoft slams the door shut on the broken, aged crypto algorithm. Microsoft released a pair of advisories yesterday in addition to its regular Patch Tuesday security updates alertin...

Microsoft, Financial Groups Execute Takedown of Zeus Botnet Servers

Microsoft has gone after another botnet, this time targeting some of the command-and-control infrastructure behind the Zeus network with a takedown effort that included seizing two IP addresses used for C&C servers and filing suit against 39 unnamed defendants. The action against Zeus is the late...

Google Patches Chrome’s Fifth Zero-Day of the Year

Google has patched the fifth actively exploited zero-day vulnerability discovered in Chrome this year as one in a series of fixes included in a stable channel update released Wednesday. The bug, tracked as CVE-2022-2856 and rated as high on the Common Vulnerability Scoring System CVSS, is...

Google Patches Actively-Exploited Zero-Day Bug in Chrome Browser

Google released an update to its Chrome browser that patches a zero-day vulnerability in the software’s FreeType font rendering library that was actively being exploited in the wild. Security researcher Sergei Glazunov of Google Project Zero discovered the bug which is classified as a type of...

Cisco Patches 13 High-Severity Router and Switch Bugs

Cisco Systems released patches for 29 bugs Wednesday that addressed flaws in a wide range of its products including routers and switches running the IOS XE networking software. Thirteen of the vulnerabilities revealed are rated high severity. The bulk of the high-severity vulnerabilities are tied...

LoudMiner Cryptominer Uses Linux Image and Virtual Machines

An unusual cryptocurrency miner, dubbed LoudMiner, is spreading via pirated copies of Virtual Studio Technology. It uses virtualization software to mine Monero on a Tiny Core Linux virtual machine – a unique approach, according to researchers. Virtual Studio Technology VST is an audio plug-in...

NetTraveler Espionage Malware Campaign Ties to Gh0st RAT

A new cyberespionage malware campaign with ties to China going back to the Titan Rain and Gh0stNet attacks has been targeting diplomats, military contractors and government agencies in 40 countries. Researchers at Kaspersky Lab today unveiled details on NetTraveler, a data exfiltration tool, whic...

April VMware Bugs Abused to Deliver Mirai Malware, Exploit Log4Shell

Recently reported VMware bugs are being used by hackers who are focused on using them to deliver Mirai denial-of-service malware and exploit the Log4Shell vulnerability. Security researchers at Barracuda discovered that attempts were made to exploit the recent vulnerabilities CVE-2022-22954 and...

SquirrelWaffle Adds a Twist of Fraud to Exchange Server Malspamming

SquirrelWaffle – the newish malware loader that first showed up in September – once again got its scrabbly little claws into an unpatched Microsoft Exchange server to spread malspam with its tried-and-true trick of hijacking email threads. That’s the same-old, same-old, as in, a SquirrelWaffle...

MoleRats APT Flaunts New Trojan in Latest Cyberespionage Campaign

Known Palestinian threat actor MoleRats is likely behind a recent malicious email campaign targeting Middle Eastern governments, foreign-policy think tanks and a state-affiliated airline with a new intelligence-gathering trojan dubbed NimbleMamba, researchers said. Researchers from Proofpoint sai...

Email Campaign Spreads StrRAT Fake-Ransomware RAT

An email campaign is delivering a Java-based remote access trojan RAT that can not only steal credentials and take control of systems, but also presents as fake ransomware, Microsoft researchers have discovered. The Microsoft Security Intelligence MSI team has outlined details of a “massive email...

Male Chastity Device Comes with Massive Security Flaws

Researchers at Pen Test Partners recently uncovered concerning security issues with a connected male chastity device and are calling on the entire connected sex toy industry — known as “teledildonics” — to make security a priority. The Qiui Cellmate chastity cage has a Bluetooth lock that could...

Microsoft Tackles 123 Fixes for July Patch Tuesday

A critical DNS bug and a publicly known elevation-of-privilege flaw top Microsoft’s July Patch Tuesday list of 123 fixes. The DNS flaw is a remote code-execution bug and is touted as one of the most critical Windows vulnerabilities released this year, earning the highest-severity CVSS score of 10...

Open Redirect Bug in Bridge Theme Plugin Opens Admins to Spearphishing

Two open-redirect vulnerabilities in Bridge, a commercial WordPress theme purchased more than 120,000 times, would allow an attacker to mount spearphishing attacks against site administrators. An open redirect vulnerability can be used to hide malicious links behind URLs for legitimate domains. F...

Mitigations Available for PanelShock Vulnerabilities in Schneider HMIs

One week after addressing a critical vulnerability in its industrial controller management software, Schneider Electric is in the midst of handling two more serious flaws in a number of its Magelis HMI products. HMI is short for human machine interface, a graphical visualization of an industrial...

Windows Error Reporting Used to Find Advanced Exploits

Windows Error Reporting, also known as Dr. Watson reports, are Windows crash reports sent by default unencrypted to Microsoft, which uses them to fix bugs. The reports are rich with system data that Microsoft also uses to enhance user interaction with its products. Since, however, they are sent i...

FIN7 Backdoor Masquerades as Ethical Hacking Tool

The notorious FIN7 cybercrime gang, a financially motivated group, is spreading a backdoor called Lizar under the guise of being a Windows pen-testing tool for ethical hackers. According to the BI.ZONE Cyber Threats Research Team, FIN7 is pretending to be a legitimate organization that hawks a...

Android Users Hit with 'Undeletable' Adware

UPDATE A healthy percentage of Android users targeted by mobile malware or mobile adware last year suffered a system partition infection, making the malicious files virtually undeletable. That’s according to research from Kaspersky, which found that 14.8 percent of its users who suffered such...

GandCrab Ransomware Shutters Its Operations

The GandCrab ransomware group is shutting down, according to posts on the Dark Web. Researchers David Montenegro and Damian spotted the announcements over the weekend. Start of GandCrab Ransomware : 28-1-2018 .. 🦀🦀🦀 Close of GandCrab Ransomware : 1-6-2019 .. ☠️☠️☠️@RajSamani @ValthekOn @JohnFokker...

Mac-Focused Malvertising Campaign Abuses Google Firebase DBs

A malvertising group named VeryMal that targets Mac users has changed up its tactics, ditching steganography as its obfuscation technique. Instead, it’s using ad tags that fetch a payload from Google Firebase in order to redirect users to malicious pop-ups. Confiant estimates that close to 1...

Lenovo Patches Intel Firmware Flaws in Multiple Product Lines

Lenovo has patched several several high-severity vulnerabilities tied to Intel flaws that could enable escalation of privilege, information disclosure, or even denial of service. Overall the device maker patched flaws tied to 16 high-severity CVEs on Thursday. Those include five related to Intel...

MacOS Zero-Day Exposes Apple Keychain Passwords

A researcher claims to have found a new Apple zero-day impacting macOS that could allow an attacker to extract passwords from a targeted Mac’s keychain password management system. However, the researcher refuses to disclose the alleged vulnerability citing Apple’s lack of macOS bug bounty program...

Thousands of MikroTik Routers Hijacked for Eavesdropping

A full 7,500+ MikroTik routers are forwarding their owners’ traffic to eavesdropping cybercriminals – while 239,000 more have had their Socks4 proxy enabled, maliciously and surreptitiously. This means the bad actors can gain access to any of the files or data being passed by the router to and fr...

SMBv1 to be Disabled in Windows Fall Creators Update

The crusty SMBv1 file-sharing protocol, abused by a NSA exploit last month that spread WannaCry, will be removed from Windows 10 starting with the upcoming Redstone 3 update. “We can confirm that SMBv1 is being removed for Redstone 3,” a Microsoft representative told Threatpost. Redstone 3, a...

Microsoft plugs gaping holes in IE, Excel, Windows

Microsoft today released its April batch of security patches: 8 bulletins with patches for at least 20 documented holes in popular software products. The most serious of the flaws could lead to remote code execution attacks that give a malicious hacker complete ownership of a vulnerable machine...

The Log4j Vulnerability Puts Pressure on the Security World

It’s not my intention to be alarmist about the Log4j vulnerability CVE-2021-44228, known as Log4Shell, but this one is pretty bad. First of all, Log4j is a ubiquitous logging library that is very widely used by millions of computers. Second, the director of the U.S. Cybersecurity & Infrastructure...

CISA, FBI: State-Backed APTs Are Exploiting Critical Zoho Bug

The FBI, CISA and the U.S. Coast Guard Cyber Command CGCYBER warned today that state-backed advanced persistent threat APT actors are likely among those who’ve been actively exploiting a newly identified bug in a Zoho single sign-on and password management tool since early last month. At issue is...

Critical Juniper Bug Allows DoS, RCE Against Carrier Networks

A critical remote code-execution vulnerability in Juniper Networks’ Steel-Belted Radius SBR Carrier Edition lays open wireless carrier and fixed operator networks to tampering. The SBR Carrier server is used by telecom carriers to manage policies for how subscribers access their networks – by...

10K Microsoft Email Users Hit in FedEx Phishing Attack

Researchers are warning of recent phishing attacks targeting at least 10,000 Microsoft email users, pretending to be from popular mail couriers – including FedEx and DHL Express. Click to Register Both scams have targeted Microsoft email users and aim to swipe their work email account credentials...

Apple iOS 14 Thwarts iMessage Attacks With BlastDoor System

In an effort to prevent attacks from being launched via its iMessage feature, Apple has debuted a security service called BlastDoor in iOS 14, its current mobile operating system version. First detailed in an analysis this week by Google Project Zero’s Samuel Groß, BlastDoor acts as a “tightly...

Campari Site Suffers Ransomware Hangover

Italian spirits brand Campari has restored its company website following a recent ransomware attack. According to the ransom note, the group behind the breach used Ragnar Locker to encrypt most of Campari’s servers and was holding the data hostage for $15 million in Bitcoin. Campari Group is behi...

Amazon Kindle, Embedded Devices Open to Code-Execution

Multiple vulnerabilities have been found in Das U-Boot, a universal bootloader commonly used in embedded devices like Amazon Kindles, ARM Chromebooks and networking hardware. The bugs could allow attackers to gain full control of an impacted device’s CPU and modify anything they choose. Researche...

Hackers Take Over IoT Devices to 'Click' on Ads

By 2025 there will be 25 billion internet of things IoT connections, according to GSMA Intelligence. And if hackers have it their way, many of those IoT devices will be hijacked and recruited into online pay-per-click advertising scams. At the Security Analyst Summit 2019, Threatpost sat down wit...

Meet ‘TajMahal,’ A New and Highly Advanced APT Framework

SINGAPORE – Researchers at Kaspersky Lab have discovered a new, highly sophisticated advanced persistent threat APT framework targeting a single Central Asian diplomatic agency. Malware samples associated with the APT reveal a complex never-before-seen code base, making it extremely hard to detec...

Grand Theft Auto Panda APT Espionage Attack Platform

Researchers have discovered a mature attack platform that’s enjoyed great success eluding detection and made good use of an exploit present in a number of espionage campaigns. The attacks have concentrated largely on the automotive industry, hitting large companies primarily in Asia and only afte...

DOJ Indicts Russian Gov’t Employees Over Targeting Power Sector

The U.S. Department of Justice DOJ has indicted four Russian government employees in connection to plots to cyber-fry critical infrastructure in the United States and beyond, including at least one nuclear power plant. The campaigns involved one of the most dangerous malwares ever encountered in...