CDRThief Malware Targets VoIP Gear in Carrier Networks

A malware dubbed CDRThief is targeting voice over IP VoIP softswitches inside the networks of large telecom carriers. According to ESET researchers, the malware was custom-developed to attack the Linknat VOS2009 and VOS3000 softswitches, which run on standard Linux servers. The code is capable of...

Mozilla and Google Browsers Get Security, Anti-Tracking Boosts

Browsers Firefox and Chrome received updates this week, both adding security and privacy tools that help with password management and help block sites that track users. Mozilla’s Firefox browser introduced an “Enhanced Tracking Protection” feature that blocks over 1,000 third-party companies that...

Podcast: The High-Risk Threats Behind the Norsk Hydro Cyberattack

Norway-based Norsk Hydro announced on Tuesday morning it was victim to a ransomware attack, which forced the global aluminum producer to shut down or isolate several plants and send several more into manual mode, the company said on Tuesday morning. The cyberattack, first detected by the company’...

Dennis Fisher and Mike Mimoso on VENOM, Marketing Bugs, and More

Dennis Fisher and Mike Mimoso talk about the VENOM vulnerability, the idea of marketing bugs, Microsoft’s new Edge browser security features and the awesome CSI: Cyber finale. Download: digitalunderground203.mp3 Music by Chris Gonsalves...

Hackers Actively Exploit F5 BIG-IP Bug

Threat actors have started exploiting a critical bug in the application service provider F5’s BIG-IP modules after a working exploit of the vulnerability was publicly made available. The critical vulnerability, tracked as CVE-2020-1388, allows unauthenticated attackers to launch “arbitrary system...

Microsoft Azure Developers Awash in PII-Stealing npm Packages

Researchers have found hundreds of malicious packages in the npm repository of open-source JavaScript code, designed to steal personally identifiable information PII in a large-scale typosquatting attack against Microsoft Azure cloud users. That’s according to the JFrog Security Research team,...

Cyberattacks Against Israeli Government Sites: ‘Largest in the Country’s History’

Israel’s Nation Cyber Directorate confirmed in a tweet on Monday that a denial-of-service DDoS attack against a telecommunications provider took down several government sites, as well as others not affiliated with the government. The incident led to the Directorate to briefly declare a state of...

TrickBot Spruces Up Its Banking Trojan Module

The TrickBot trojan is adding man-in-the-browser MitB capabilities for stealing online banking credentials that resemble Zeus, the early banking trojan, researchers said — potentially signaling a coming onslaught of fraud attacks. TrickBot is a sophisticated and common modular threat known for...

Critical Libgcrypt Crypto Bug Opens Machines to Arbitrary Code

The Libgcrypt project has rushed out a fix for a critical bug in version 1.9.0 of the free-source cryptographic library. An exploit would allow an attacker to write arbitrary data to a target machine and execute code. The security vulnerability is a heap-buffer overflow bug in Libgcrypt 1.9.0...

ASUS Home Router Bugs Open Consumers to Snooping Attacks

A pair of flaws in ASUS routers for the home could allow an attacker to compromise the devices – and eavesdrop on all of the traffic and data that flows through them. The bugs are specifically found in the RT-AC1900P whole-home Wi-Fi model, within the router’s firmware update functionality...

Advertising Plugin for WordPress Threatens Full Site Takeovers

The Adning Advertising plugin for WordPress, a premium plugin with over 8,000 customers, contains a critical remote code-execution vulnerability with the potential to be exploited by unauthenticated attackers. The plugin’s author, Tunafish, has rolled out a patched version v.1.5.6, which site...

AMD: Fixes For High-Severity SMM Callout Flaws Upcoming

Three high-severity vulnerabilities have been disclosed in AMD’s client and embedded processors that came out between 2016 and 2019. An attacker with physical or privileged access to certain AMD powered systems could exploit the flaws to execute arbitrary code or take control of the firmware. AMD...

WordPress Plugin Bug in Popup Builder Threatens 100K Websites

Two vulnerabilities – including a high-severity flaw – have been patched in a popular WordPress plugin called Popup Builder. The more severe flaw could enable an unauthenticated attacker to infect malicious JavaScript into a popup – potentially opening up more than 100,000 websites to takeover...

Iran Targeting U.S. With Destructive Wipers, Warns DHS

The Department of Homeland Security is warning that Iranian hackers are targeting U.S. agencies with destructive “wiper” malware. The statement comes as tensions continue to build between the U.S. and Iran. Christopher Krebs, the director of the Department of Homeland Security DHS Cybersecurity a...

50k Servers Infected with Cryptomining Malware in Nansh0u Campaign

Up to 50,000 servers were infected over the past four months as part of a high-profile cryptojacking campaign, believed to orchestrated by Chinese-language adversaries. Researchers with Guardicore Labs, who disclosed the campaign Wednesday, said that the Nansh0u​ campaign named due to a text file...

HCL Exposes Customer, Personnel Info in Wide-Ranging Data Leak

IT services provider HCL Technologies has inadvertently exposed passwords, sensitive project reports and other private data of thousands of customers and internal employees on various public HCL subdomains. HCL, an $8 billion conglomerate with more than 100,000 employees, specializes in...

Mozilla Patches Bugs in Firefox, Now Blocks Cross-Site Cookie Tracking

The Mozilla Foundation has released its latest version of the Firefox browser, which comes with new privacy protections to squash cross-site cookie tracking, as well as a slew of security vulnerability fixes. Firefox 86, released on Tuesday, includes what it touts as a privacy-bolstering feature...

Microsoft Fixes RCE Flaws in Out-of-Band Windows Update

Microsoft has issued out-of-band patches for two “important” severity vulnerabilities, which if exploited could allow for remote code execution. One flaw CVE-2020-17023 exists in Microsoft’s Visual Studio Code is a free source-code editor made by Microsoft for Windows, Linux and macOS. The other...

Microsoft's Patch Tuesday Packed with Critical RCE Bugs

Microsoft has released patches for 129 security bugs in its September Patch Tuesday update. These include 23 critical flaws, 105 that are important in severity and one moderate bug. Fortunately, none are publicly known or under active exploitation, Microsoft said. The most severe issue in the bun...

WP Live Chat WordPress Plugin Re-Patches File Upload Flaw

A WordPress plugin vulnerability found in WP Live Chat could allow an attacker to upload arbitrary malicious files to vulnerable systems, according to researchers. WP Live Chat is a plugin for WordPress that equips websites with a small pop-up chat support window that site owners can use to...

Microsoft Interflow Information-Sharing Platform Preview Open

Much like the Year of PKI that has never come to be, information sharing has been one of security’s more infamous non-starters. While successful in heavily siloed environments such as financial services, enterprises industry-wide are hesitant to share threat and security data for fear of losing a...

Microsoft Releases Attack Surface Analyzer Tool

Microsoft has released a public version of its internal Attack Surface Analyzer tool, which helps organizations identify changes to a system’s attack surface as new applications are added. The tool has been in beta for a few months, but this is the first official release. The Attack Surface...

Defeating Ransomware-as-a-Service? Think Intel-Sharing

The Colonial Pipeline ransomware attack put a glaring spotlight on the ransomware scourge – and, in particular, on the rise of ransomware-as-a-service RaaS. That attack was perpetrated by DarkSide, a RaaS platform that purportedly first surfaced last August. While the group now claims they’re don...

Colossal Intel Update Anchored by Critical Privilege-Escalation Bugs

A massive Intel security update this month addresses flaws across a myriad of products – most notably, critical bugs that can be exploited by unauthenticated cybercriminals in order to gain escalated privileges. These critical flaws exist in products related to Wireless Bluetooth – including...

Connected Home Hubs Open Houses to Full Remote Takeover

Three different connected home hubs – Fibaro Home Center Lite, Homematic Central Control Unit CCU2 and Elko’s eLAN-RF-003 – are vulnerable in their older versions to serious bugs that would allow information disclosure, man-in-the-middle MiTM attacks and unauthenticated remote code execution RCE,...

5,000 Twitter Accounts Linked to Disinformation Campaigns

Twitter has removed six sets of accounts that the site has deemed to be devoted to coordinated, state-backed propaganda activities – totaling about 5,000 accounts in all. “We believe that people and organizations with the advantages of institutional power and which consciously abuse our service a...

News Wrap: Facebook Regulation, Verizon DBIR, Hidden Airbnb Cameras

From a massive data-breach report that showed surprising – and disturbing – cybercrime trends, to an op-ed in the New York Times that took aim at Facebook and CEO Mark Zuckerberg, Threatpost editors Lindsey O’Donnell and Tom Spring break down this week’s biggest news. This weeks topics include:...

Adobe Fixes 43 Critical Acrobat and Reader Flaws

Adobe issued patches for 43 critical vulnerabilities in Acrobat and Reader – including a fix for a zero-day flaw that researchers at 0patch temporarily fixed on Monday. That bug could enable bad actors to steal victims’ hashed password values. Overall, Adobe patched 75 important and critical...

Word Attachment Delivers FormBook Malware, No Macros Required

A new wave of document attacks targeting inboxes do not require enabling macros in order for adversaries to trigger an infection chain that ultimately delivers FormBook malware. Researchers at Menlo Security are reporting a wave of attacks that began last month that are targeting financial and...

Two Nasty Outlook Bugs Fixed in Microsoft’s Feb. Patch Tuesday Update

Microsoft issued 50 security fixes as part of its February Patch Tuesday release, covering vulnerabilities in Windows, Office, Internet Explorer, Edge and its JavaScript engine ChakraCore. Fourteen of the vulnerabilities are labeled as critical, 34 as important and two as moderate. Two notable...

Microsoft Warns Customers Away From RC4, SHA-1

The RC4 and SHA-1 algorithms have taken a lot of hits in recent years, with new attacks popping up on a regular basis. Many security experts and cryptographers have been recommending that vendors begin phasing the two out, and Microsoft on Tuesday said that is now recommending to developers that...

Microsoft Releases Five Bulletins For September Patch Tuesday

Microsoft on Tuesday released again the five security bulletins for its September Patch Tuesday. None of the fixes being released today is rated critical, with all five being rated important. Three of the bulletins fix flaws that could result in code execution. Microsoft also updated the security...

Critical Cisco RCE Bug in Small Business Routers to Remain Unpatched

A critical security vulnerability in Cisco Small Business Routers RV110W, RV130, RV130W and RV215W models allows remote code execution RCE and denial of service DoS. The networking giant said that no patch or workaround will be coming for the bug, since the routers reached end-of-life back in 201...

Zero-Day Bug Impacts Problem-Plagued Cisco SOHO Routers

Cisco Systems said it will not fix a critical vulnerability found in three of its SOHO router models. The bug, rated 9.8 in severity out of 10, could allow unauthenticated remote users to hijack targeted equipment and gain elevated privileges within effected systems. The three Cisco router models...

Adobe Fixes Critical ColdFusion Flaw in Emergency Update

In an unscheduled security update, Adobe is warning of a critical security flaw in its ColdFusion platform, used for building web applications. The security alert comes two weeks after Adobe’s regularly-scheduled updates. During these updates, the tech company issued patches for a slew of critica...

Google Boots 164 Apps from Play Marketplace for Shady Ad Practices

Google has removed 164 apps, downloaded a total of 10 million times, from its Google Play marketplace because they were delivering “disruptive” ads, considered malicious. Last year, the tech giant banned apps that delivered this type of advertising, called out-of-context ads. But the problem...

Critical Remote Code Execution Flaw Found in Open Source rConfig Utility

Two bugs in the network configuration utility rConfig have been identified, both allowing remote code execution on affected systems. Worse, one is rated critical and allows for a user to attack a system remotely – sans authentication. RConfig is a free open-source configuration management utility...

Iran-Linked 'Charming Kitten' Touts New Spearphishing Tactics

An Iran-linked advanced persistent threat APT group tied to attacks on President Trump’s 2020 re-election campaign has added new spearphishing techniques to its arsenal in an apparent ramp-up in operations. Charming Kitten—which goes by a number of names, including APT35, Ajax Security Team,...

The Modern-Day Heist: IP Theft Techniques That Enable Attackers

The Great Train Robbery of 1963 in Buckinghamshire, U.K., was orchestrated by a gang of 15 robbers that devised and executed a well-laid-out plan over the course of several months. Fast-forward 56 years and we’re still seeing gangs of modern-day robbers orchestrating elaborate plans – only in 201...

Nvidia Warns Windows Gamers on GPU Driver Flaws

Graphics chipmaker Nvidia has issued three patches for high-severity vulnerabilities in its GPU display driver, which could lead to information disclosure, escalation of privileges and denial of service DoS in impacted Windows gaming devices. Nvidia’s graphics driver for Windows is used in device...

MuddyWater APT Hones an Arsenal of Custom Tools

An array of customized attack tools are helping the MuddyWater advanced persistent threat APT group to successfully exfiltrate data from its governmental and telco targets in the Middle East; an analysis of this toolset reveals a moderately sophisticated threat actor at work – with the potential ...

Wipro Confirms Hack and Supply Chain Attacks on Customers

IT systems consulting behemoth Wipro Ltd. has confirmed that its network was hacked and used for mounting attacks on its customers. After multiple unnamed sources independently told Brian Krebs that a “multi-month intrusion” occurred and is likely the work of an advanced persistent threat APT act...

Microsoft Waits for Patch Tuesday to Fix SMB Zero Day

Microsoft will not rush out an emergency patch for a zero-day vulnerability disclosed on Wednesday in the Windows implementation of the Server Message Block protocol. Researcher Laurent Gaffie announced in a tweet, below, that he’d found a zero-day vulnerability in SMBv3 and released a...

Office 365 Vulnerability Exposed Any Federated Account

A severe vulnerability in the way Microsoft Office 365 handles federated identities via SAML put an attacker in position to have access to any account and data, including email messages and files stored in the cloud-based service. Microsoft pushed through a mitigation to the service on Jan. 5,...

Dridex Banking Trojan Spreading Via Macros in XML Files

Not long ago, criminals pushing the Dridex banking Trojan were using Microsoft Excel documents spiked with a malicious macro as a phishing lure to entice victims to load the malware onto their machines. Even though macros are disabled by default inside most organizations, the persistent hackers a...

Five OAuth Bugs Lead to Github Hack

A Russian security researcher was able to take five low severity OAuth bugs in the coding site Github and string them together to create what he calls a “simple but high severity exploit” that gave him unfettered access to users’ private repositories. Bangkok-based researcher Egor Homakov –...

Blackrota Golang Backdoor Packs Heavy Obfuscation Punch

Researchers have discovered a new backdoor written in the Go programming language Golang, which turned their heads due to its heavy level of obfuscation. The backdoor, called Blackrota, was first discovered in a honeypot owned by researchers, attempting to exploit an unauthorized-access...

Critical Adobe Photoshop Flaws Patched in Emergency Update

Adobe released a slew of patches for critical vulnerabilities Tuesday that were part of an out-of-band security update. Several of the critical flaws are tied to Adobe’s popular Photoshop photo-editing software and allow adversaries to execute arbitrary code on targeted Windows devices. Overall,...

5G and IoT: How to Approach the Security Implications

When it comes to the next generation of mobile networks, 5G promises a more Internet of Things-friendly ecosystem with vast improvements over the current capabilities of 4G – however, its intersection with IoT will also raise the stakes on cybersecurity. The benefits of 5G are myriad: Not only wi...

BRATA Android RAT Steals Banking Info in Real Time

A powerful Android remote access tool RAT family dubbed BRATA is proliferating, with at least 20 different variants cropping up since it was first spotted in January. The majority of the binaries have been found in the official Google Play store, masquerading as updates for the instant messaging...