RSS ze světa hackingu


Iranian Hackers Exploit Log4j Vulnerability to Deploy PowerShell Backdoor

An Iranian state-sponsored actor has been observed scanning and attempting to abuse the Log4Shell flaw in publicly-exposed Java applications to deploy a hitherto undocumented PowerShell-based modular backdoor dubbed "CharmPower" for follow-on post-exploitation. "The actor's attack setup was obviously rushed, as they used the basic open-source tool for the exploitation and based their operations…

Datum: 13. 1. 2022

Meeting Patching-Related Compliance Requirements with TuxCare

Cybersecurity teams have many demands competing for limited resources. Restricted budgets are a problem, and restricted staff resources are also a bottleneck. There is also the need to maintain business continuity at all times. It's a frustrating mix of challenges – with resources behind tasks such as patching rarely sufficient to meet security prerogatives or compliance deadlines. The multitude…

Datum: 13. 1. 2022

US Cyber Command Links 'MuddyWater' Hacking Group to Iranian Intelligence

The U.S. Cyber Command (USCYBERCOM) on Wednesday officially confirmed MuddyWater's ties to the Iranian intelligence apparatus, while simultaneously detailing the various tools and tactics adopted by the espionage actor to burrow into victim networks. "MuddyWater has been seen using a variety of techniques to maintain access to victim networks," USCYBERCOM's Cyber National Mission Force (CNMF) …

Datum: 13. 1. 2022

Apple Releases iPhone and iPad Updates to Patch HomeKit DoS Vulnerability

Apple on Wednesday rolled out software updates for iOS and iPadOS to remediate a persistent denial-of-service (DoS) issue affecting the HomeKit smart home framework that could be potentially exploited to launch ransomware-like attacks targeting the devices. The iPhone maker, in its release notes for iOS and iPadOS 15.2.1, termed it as a "resource exhaustion issue" that could be triggered when…

Datum: 13. 1. 2022

Hackers Use Cloud Services to Distribute Nanocore, Netwire, and AsyncRAT Malware

Threat actors are actively incorporating public cloud services from Amazon and Microsoft into their malicious campaigns to deliver commodity remote access trojans (RATs) such as Nanocore, Netwire, and AsyncRAT to siphon sensitive information from compromised systems. The spear-phishing attacks, which commenced in October 2021, have primarily targeted entities located in the U.S., Canada, Italy,…

Datum: 12. 1. 2022

New SysJoker Espionage Malware Targeting Windows, macOS, and Linux Users

A new cross-platform backdoor called "SysJoker" has been observed targeting machines running Windows, Linux, and macOS operating systems as part of an ongoing espionage campaign that's believed to have been initiated during the second half of 2021. "SysJoker masquerades as a system update and generates its [command-and-control server] by decoding a string retrieved from a text file hosted on…

Datum: 12. 1. 2022

XDR: Redefining the game for MSSPs serving SMBs and SMEs

SMBs and SMEs are increasingly turning to MSSPs to secure their businesses because they simply do not have the resources to manage an effective security technology stack. However, it’s also challenging for MSSPs to piece together an effective but manageable security technology stack to protect their clients, especially at an affordable price point. This is where Extended Detection and Response (…

Datum: 12. 1. 2022

FBI, NSA and CISA Warns of Russian Hackers Targeting Critical Infrastructure

Amid renewed tensions between the U.S. and Russia over Ukraine and Kazakhstan, American cybersecurity and intelligence agencies on Tuesday released a joint advisory on how to detect, respond to, and mitigate cyberattacks orchestrated by Russian state-sponsored actors. To that end, the Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI), and National…

Datum: 12. 1. 2022

First Patch Tuesday of 2022 Brings Fix for a Critical 'Wormable' Windows Vulnerability

Microsoft on Tuesday kicked off its first set of updates for 2022 by plugging 96 security holes across its software ecosystem, while urging customers to prioritize patching for what it calls a critical "wormable" vulnerability. Of the 96 vulnerabilities, nine are rated Critical and 89 are rated Important in severity, with six zero-day publicly known at the time of the release. This is in…

Datum: 12. 1. 2022

How Can You Leave Log4J in 2021?

With the last month of 2021 dominated by the log4J vulnerabilities discovery, publication, and patches popping up in rapid succession, odds are you have patched your system against Log4J exploitation attempts. At least some systems, if not all. You might even have installed the latest patch – at the time of writing, that is 2.17.1, but, if the last rapid patching cycle persists, it might have…

Datum: 11. 1. 2022

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