148 npm Packages Disguised as Student Proxies Turned Browsers Into a DDoS Botnet

A campaign of 148 npm packages disguised as student web proxies turned visitors' browsers into a distributed denial-of-service botnet for roughly two weeks in May, according to new research from JFrog. The packages did not go after the developers who might install them. The operators used the...

Ukraine Aid Groups Targeted Through Fake Zoom Meetings and Weaponized PDF Files

Cybersecurity researchers have disclosed details of a coordinated spear-phishing campaign dubbed PhantomCaptcha targeting organizations associated with Ukraine's war relief efforts to deliver a remote access trojan that uses a WebSocket for command-and-control C2. The activity, which took place o...

APT-C-60 Group Exploit WPS Office Flaw to Deploy SpyGlace Backdoor

A South Korea-aligned cyber espionage has been linked to the zero-day exploitation of a now-patched critical remote code execution flaw in Kingsoft WPS Office to deploy a bespoke backdoor dubbed SpyGlace. The activity has been attributed to a threat actor dubbed APT-C-60, according to cybersecuri...

Ukrainian Institutions Targeted Using HATVIBE and CHERRYSPY Malware

The Computer Emergency Response Team of Ukraine CERT-UA has alerted of a spear-phishing campaign that targeted a scientific research institution in the country with malware known as HATVIBE and CHERRYSPY. The agency attributed the attack to a threat actor it tracks under the name UAC-0063, which...

The Stark Truth Behind the Resurgence of Russia’s Fin7

The Russia-based cybercrime group dubbed "Fin7," known for phishing and malware attacks that have cost victim organizations an estimated $3 billion in losses since 2013, was declared dead last year by U.S. authorities. But experts say Fin7 has roared back to life in 2024 -- setting up thousands o...

DarkMe Malware Targets Traders Using Microsoft SmartScreen Zero-Day Vulnerability

A newly disclosed security flaw in the Microsoft Defender SmartScreen has been exploited as a zero-day by an advanced persistent threat actor called Water Hydra aka DarkCasino targeting financial market traders. Trend Micro, which began tracking the campaign in late December 2023, said it entails...

N. Korean Kimsuky Hackers Using New Recon Tool ReconShark in Latest Cyberattacks

The North Korean state-sponsored threat actor known as Kimsuky has been discovered using a new reconnaissance tool called ReconShark as part of an ongoing global campaign. "ReconShark is actively delivered to specifically targeted individuals through spear-phishing emails, OneDrive links leading ...

Hackers Targeting U.S. and German Firms Monitor Victims' Desktops with Screenshotter

A previously unknown threat actor has been targeting companies in the U.S. and Germany with bespoke malware designed to steal confidential information. Enterprise security company Proofpoint, which is tracking the activity cluster under the name Screentime , said the group, dubbed TA866 , is like...

New Ransom Payment Schemes Target Executives, Telemedicine

Ransomware groups are constantly devising new methods for infecting victims and convincing them to pay up, but a couple of strategies tested recently seem especially devious. The first centers on targeting healthcare organizations that offer consultations over the Internet and sending them...

Fake job offer leads to $600 million theft

Back in March, popular NFT battler Axie Infinity lay at the heart of a huge cryptocurrency theft inflicted on the Ronin network. From the Ronin newsletter: There has been a security breach on the Ronin Network. Earlier today, we discovered that on March 23rd, Sky Mavis’s Ronin validator nodes and...

Hackers Set Up a Fake Cybersecurity Firm to Target Security Experts

A North Korean government-backed campaign targeting cybersecurity researchers with malware has re-emerged with new tactics in their arsenal as part of a fresh social engineering attack. In an update shared on Wednesday, Google's Threat Analysis Group said the attackers behind the operation set up...

Hackers Used Zero-Days to Infect Windows and Android Devices

Google researchers say the campaign, which booby-trapped sites to ensnare targets, was carried out by a “highly sophisticated actor.”...

Windows GravityRAT Malware Now Also Targets macOS and Android Devices

A Windows-based remote access Trojan believed to be designed by Pakistani hacker groups to infiltrate computers and steal users' data has resurfaced after a two-year span with retooled capabilities to target Android and macOS devices. According to cybersecurity firm Kaspersky, the malware — dubbe...

Critical Adobe Flash Bug Impacts Windows, macOS, Linux and Chrome OS

Adobe released a patch for a critical flaw on Tuesday that leaves its Flash Player vulnerable to arbitrary code execution by an adversary. Affected are versions of the Flash Player running on Windows, macOS, Linux and Chrome OS. In tandem, a Microsoft Security Advisory was also issued for the bug...

'HoeflerText' Popups Target Browsers With RAT and Locky Ransomware

A malware campaign utilizing bogus popups that alert users to a missing web-font is targeting Google Chrome and Firefox browser users. The popups contain a malicious JavaScript file that initiates the download of either the NetSupport Manager remote access tool RAT or Locky ransomware. The...

Locky ransomware adds anti sandbox feature (updated)

By Marcelo Rivero and Jérôme Segura The Locky ransomware has been very active since its return which we documented in a previous blog post. There are several different Locky campaigns going on at the same time, the largest being the one from affiliate ID 3 which comes with malicious ZIP containin...

New Adobe Reader Flaw Exposed

A security researcher has uncovered yet another vulnerability in Adobe Reader that allows hackers to execute malicious code on computers by tricking their users into opening booby-trapped files. Read the full article. The Register...

U.S. Defense Contractors Hit by Malware PDFs

Booby-trapped PDF files, posing as messages from the US Department of Defense, were emailed to US defence contractors last week. The document refers to a real conference due to be held in Las Vegas in March. Read the full article. The Register...

Apple plugs 10 QuickTime code execution holes

Apple today released QuickTime 7.6.2 with fixes for a variety of security vulnerabilities, some of which could lead to arbitrary code execution attacks. The update, available for Mac OS X, Windows XP and Windows Vista, covers a total of 10 documented vulnerabilities that could be exploited via...

java.jvm.byte.code.ver.txt

Date: Mon, 5 Apr 1999 08:56:10 -0400 From: Gary McGraw To: [email protected] Subject: Security Hole in Java 2 and JDK 1.1.x Hi all, Karsten Sohr at the University of Marburg in Germany email [email protected] has discovered a very serious security flaw in several current versions ...