SMTP Smuggling: New Flaw Lets Attackers Bypass Security and Spoof Emails

A new exploitation technique called Simple Mail Transfer Protocol (SMTP) smuggling can be weaponized by threat actors to send spoofed emails with fake sender addresses while bypassing security measures. "Threat actors could abuse vulnerable SMTP servers worldwide to send malicious emails from arbitrary email addresses, allowing targeted phishing attacks," Timo Longin, a senior security

New Agent Tesla Malware Variant Using ZPAQ Compression in Email Attacks

A new variant of the Agent Tesla malware has been observed delivered via a lure file with the ZPAQ compression format to harvest data from several email clients and nearly 40 web browsers. "ZPAQ is a file compression format that offers a better compression ratio and journaling function compared to widely used formats like ZIP and RAR," G Data malware analyst Anna Lvova said in a Monday analysis.

Alert: Phishing Campaigns Deliver New SideTwist Backdoor and Agent Tesla Variant

The Iranian threat actor tracked as APT34 has been linked to a new phishing attack that leads to the deployment of a variant of a backdoor called SideTwist. “APT34 has a high level of attack technology, can design different intrusion methods for different types of targets, and has supply chain attack capability,” NSFOCUS Security Labs said in a report published last week. APT34, also known by

Ongoing Xurum Attacks on E-commerce Sites Exploiting Critical Magento 2 Vulnerability

E-commerce sites using Adobe's Magento 2 software are the target of an ongoing campaign that has been active since at least January 2023. The attacks, dubbed Xurum by Akamai, leverage a now-patched critical security flaw (CVE-2022-24086, CVSS score: 9.8) in Adobe Commerce and Magento Open Source that, if successfully exploited, could lead to arbitrary code execution. "The attacker seems to be

XWorm Malware Exploits Follina Vulnerability in New Wave of Attacks

Cybersecurity researchers have discovered an ongoing phishing campaign that makes use of a unique attack chain to deliver the XWorm malware on targeted systems. Securonix, which is tracking the activity cluster under the name MEME#4CHAN, said some of the attacks have primarily targeted manufacturing firms and healthcare clinics located in Germany. "The attack campaign has been leveraging rather

Ex-NSA Employee Arrested for Trying to Sell U.S. Secrets to a Foreign Government

A former U.S. National Security Agency (NSA) employee has been arrested on charges of attempting to sell classified information to a foreign spy, who was actually an undercover agent working for the Federal Bureau of Investigation (FBI). Jareh Sebastian Dalke, 30, was employed at the NSA for less than a month from June 6, 2022, to July 1, 2022, serving as an Information Systems Security Designer

Cyber Criminals Using Quantum Builder Sold on Dark Web to Deliver Agent Tesla Malware

A recently discovered malware builder called Quantum Builder is being used to deliver the Agent Tesla remote access trojan (RAT). "This campaign features enhancements and a shift toward LNK (Windows shortcut) files when compared to similar attacks in the past," Zscaler ThreatLabz researchers Niraj Shivtarkar and Avinash Kumar said in a Tuesday write-up. <!--adsense--> Sold on the dark web for

Researchers Detail OriginLogger RAT — Successor to Agent Tesla Malware

Palo Alto Networks Unit 42 has detailed the inner workings of a malware called OriginLogger, which has been touted as a successor to the widely used information stealer and remote access trojan (RAT) known as Agent Tesla. A .NET based keylogger and remote access, Agent Tesla has had a long-standing presence in the threat landscape, allowing malicious actors to gain remote access to targeted