RSS ze světa hackingu

Cybersecurity researchers have shed light on a new version of a ransomware strain called HardBit that comes packaged with new obfuscation techniques to deter analysis efforts. "Unlike previous versions, HardBit Ransomware group enhanced the version 4.0 with passphrase protection," Cybereason researchers Kotaro Ogino and Koshi Oyama said in an analysis. "The passphrase needs to be provided during…

American telecom service provider AT&T has confirmed that threat actors managed to access data belonging to "nearly all" of its wireless customers as well as customers of mobile virtual network operators (MVNOs) using AT&T's wireless network. "Threat actors unlawfully accessed an AT&T workspace on a third-party cloud platform and, between April 14 and April 25, 2024, exfiltrated…

Cybersecurity researchers have shed light on a short-lived DarkGate malware campaign that leveraged Samba file shares to initiate the infections. Palo Alto Networks Unit 42 said the activity spanned the months of March and April 2024, with the infection chains using servers running public-facing Samba file shares hosting Visual Basic Script (VBS) and JavaScript files. Targets included North…

Two Russian-born Australian citizens have been arrested and charged in the country for spying on behalf of Russia as part of a "complex" law enforcement operation codenamed BURGAZADA. This includes a 40-year-old woman, an Australian Defence Force (ADF) Army Private, and her husband, a 62-year-old self-employed laborer. Media reports have identified them as Kira Korolev and Igor Korolev,…

A critical security issue has been disclosed in the Exim mail transfer agent that could enable threat actors to deliver malicious attachments to target users' inboxes. The vulnerability, tracked as CVE-2024-39929, has a CVSS score of 9.1 out of 10.0. It has been addressed in version 4.98. "Exim through 4.97.1 misparses a multiline RFC 2231 header filename, and thus remote attackers can bypass…

In today's digital age, passwords serve as the keys to our most sensitive information, from social media accounts to banking and business systems. This immense power brings with it significant responsibility—and vulnerability. Most people don't realize their credentials have been compromised until the damage is done. Imagine waking up to drained bank accounts, stolen identities, or a company's…

The U.S. Department of Justice (DoJ) said it seized two internet domains and searched nearly 1,000 social media accounts that Russian threat actors allegedly used to covertly spread pro-Kremlin disinformation in the country and abroad on a large scale. "The social media bot farm used elements of AI to create fictitious social media profiles — often purporting to belong to individuals in the…

Palo Alto Networks has released security updates to address five security flaws impacting its products, including a critical bug that could lead to an authentication bypass. Cataloged as CVE-2024-5910 (CVSS score: 9.3), the vulnerability has been described as a case of missing authentication in its Expedition migration tool that could lead to an admin account takeover. "Missing authentication…

Threat actors have been observed publishing a new wave of malicious packages to the NuGet package manager as part of an ongoing campaign that began in August 2023, while also adding a new layer of stealth to evade detection. The fresh packages, about 60 in number and spanning 290 versions, demonstrate a refined approach from the previous set that came to light in October 2023, software supply…

The China-linked advanced persistent threat (APT) group codenamed APT41 is suspected to be using an "advanced and upgraded version" of a known malware called StealthVector to deliver a previously undocumented backdoor dubbed MoonWalk. The new variant of StealthVector – which is also referred to as DUSTPAN – has been codenamed DodgeBox by Zscaler ThreatLabz, which discovered the loader strain in…