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À partir d’avant-hierThe Hacker News

Attackers Behind Trickbot Expanding Malware Distribution Channels

The operators behind the pernicious TrickBot malware have resurfaced with new tricks that aim to increase its foothold by expanding its distribution channels, ultimately leading to the deployment of ransomware such as Conti. The threat actor, tracked under the monikers ITG23 and Wizard Spider, has been found to partner with other cybercrime gangs known Hive0105, Hive0106 (aka TA551 or Shathak),

Ad-Blocking Chrome Extension Caught Injecting Ads in Google Search Pages

A new deceptive ad injection campaign has been found leveraging an ad blocker extension for Google Chrome and Opera web browsers to sneakily insert ads and affiliate codes on websites, according to new research from cybersecurity firm Imperva. The findings come following the discovery of rogue domains distributing an ad injection script in late August 2021 that the researchers connected to an

CISA Issues Warning On Cyber Threats Targeting Water and Wastewater Systems

The U.S. Cybersecurity Infrastructure and Security Agency (CISA) on Thursday warned of continued ransomware attacks aimed at disrupting water and wastewater facilities (WWS), highlighting five incidents that occurred between March 2019 and August 2021. "This activity—which includes attempts to compromise system integrity via unauthorized access—threatens the ability of WWS facilities to provide

Google: We're Tracking 270 State-Sponsored Hacker Groups From Over 50 Countries

Google's Threat Analysis Group (TAG) on Thursday said it's tracking more than 270 government-backed threat actors from more than 50 countries, adding it has approximately sent 50,000 alerts of state-sponsored phishing or malware attempts to customers since the start of 2021. The warnings mark a 33% increase from 2020, the internet giant said, with the spike largely stemming from "blocking an

Critical Remote Hacking Flaws Disclosed in Linphone and MicroSIP Softphones

Multiple security vulnerabilities have been disclosed in softphone software from Linphone and MicroSIP that could be exploited by an unauthenticated remote adversary to crash the client and even extract sensitive information like password hashes by simply making a malicious call. The vulnerabilities, which were discovered by Moritz Abrell of German pen-testing firm SySS GmbH, have since been

VirusTotal Releases Ransomware Report Based on Analysis of 80 Million Samples

As many as 130 different ransomware families have been found to be active in 2020 and the first half of 2021, with Israel, South Korea, Vietnam, China, Singapore, India, Kazakhstan, Philippines, Iran, and the U.K. emerging as the most affected territories, a comprehensive analysis of 80 million ransomware-related samples has revealed. Google's cybersecurity arm VirusTotal attributed a

Experts Warn of Unprotected Prometheus Endpoints Exposing Sensitive Information

A large-scale unauthenticated scraping of publicly available and non-secured endpoints from older versions of Prometheus event monitoring and alerting solution could be leveraged to inadvertently leak sensitive information, according to the latest research. "Due to the fact that authentication and encryption support is relatively new, many organizations that use Prometheus haven't yet enabled

Critical Flaw in OpenSea Could Have Let Hackers Steal Cryptocurrency From Wallets

A now-patched critical vulnerability in OpenSea, the world's largest non-fungible token (NFT) marketplace, could've been abused by malicious actors to drain cryptocurrency funds from a victim by sending a specially-crafted token, opening a new attack vector for exploitation. The findings come from cybersecurity firm Check Point Research, which began an investigation into the platform following

Update Your Windows PCs Immediately to Patch New 0-Day Under Active Attack

Microsoft on Tuesday rolled out security patches to contain a total of 71 vulnerabilities in Microsoft Windows and other software, including a fix for an actively exploited privilege escalation vulnerability that could be exploited in conjunction with remote code execution bugs to take control over vulnerable systems. Two of the addressed security flaws are rated Critical, 68 are rated Important

Digital Signature Spoofing Flaws Uncovered in OpenOffice and LibreOffice

The maintainers of LibreOffice and OpenOffice have shipped security updates to their productivity software to remediate multiple vulnerabilities that could be weaponized by malicious actors to alter documents to make them appear as if they are digitally signed by a trusted source. The list of the three flaws is as follows — CVE-2021-41830 / CVE-2021-25633 - Content and Macro Manipulation with

GitHub Revoked Insecure SSH Keys Generated by a Popular git Client

Code hosting platform GitHub has revoked weak SSH authentication keys that were generated via the GitKraken git GUI client due to a vulnerability in a third-party library that increased the likelihood of duplicated SSH keys. As an added precautionary measure, the Microsoft-owned company also said it's building safeguards to prevent vulnerable versions of GitKraken from adding newly generated

Microsoft Fended Off a Record 2.4 Tbps DDoS Attack Targeting Azure Customers

Microsoft on Monday revealed that its Azure cloud platform mitigated a 2.4 Tbps distributed denial-of-service (DDoS) attack in the last week of August targeting an unnamed customer in Europe, surpassing a 2.3 Tbps attack stopped by Amazon Web Services in February 2020. "This is 140 percent higher than 2020's 1 Tbps attack and higher than any network volumetric event previously detected on Azure,

Microsoft Warns of Iran-Linked Hackers Targeting US and Israeli Defense Firms

An emerging threat actor likely supporting Iranian national interests has been behind a password spraying campaign targeting US, EU, and Israeli defense technology companies, with additional activity observed against regional ports of entry in the Persian Gulf as well as maritime and cargo transportation companies focused in the Middle East. Microsoft is tracking the hacking crew under the

Ukraine Arrests Operator of DDoS Botnet with 100,000 Compromised Devices

Ukrainian law enforcement authorities on Monday disclosed the arrest of a hacker responsible for the creation and management of a "powerful botnet" consisting of over 100,000 enslaved devices that was used to carry out distributed denial-of-service (DDoS) and spam attacks on behalf of paid customers. The unnamed individual, from the Ivano-Frankivsk region of the country, is also said to have

Apple Releases Urgent iPhone and iPad Updates to Patch New Zero-Day Vulnerability

Apple on Monday released a security update for iOS and iPad to address a critical vulnerability that it says is being exploited in the wild, making it the 17th zero-day flaw the company has addressed in its products since the start of the year.' The weakness, assigned the identifier CVE-2021-30883, concerns a memory corruption issue in the "IOMobileFrameBuffer" component that could allow an

Indian-Made Mobile Spyware Targeted Human Rights Activist in Togo

A prominent Togolese human rights defender has been targeted with spyware by a threat actor known for striking victims in South Asia, marking the hacking group's first foray into digital surveillance in Africa. Amnesty International tied the covert attack campaign to a collective tracked as "Donot Team" (aka APT-C-35), which has been linked to cyber offensives in India and Pakistan, while also

Ransomware Group FIN12 Aggressively Going After Healthcare Targets

An "aggressive" financially motivated threat actor has been identified as linked to a string of RYUK ransomware attacks since October 2018, while maintaining close partnerships with TrickBot-affiliated threat actors and using a publicly available arsenal of tools such as Cobalt Strike Beacon payloads to interact with victim networks. Cybersecurity firm Mandiant attributed the intrusions to a

Researchers Warn of FontOnLake Rootkit Malware Targeting Linux Systems

Cybersecurity researchers have detailed a new campaign that likely targets entities in Southeast Asia with a previously unrecognized Linux malware that's engineered to enable remote access to its operators, in addition to amassing credentials and function as a proxy server. The malware family, dubbed "FontOnLake" by Slovak cybersecurity firm ESET, is said to feature "well-designed modules" that

New Patch Released for Actively Exploited 0-Day Apache Path Traversal to RCE Attacks

The Apache Software Foundation on Thursday released additional security updates for its HTTP Server product to remediate what it says is an "incomplete fix" for an actively exploited path traversal and remote code execution flaw that it patched earlier this week. CVE-2021-42013, as the new vulnerability is identified as, builds upon CVE-2021-41773, a flaw that impacts Apache web servers running
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