RSS ze světa hackingu


New Rowhammer Attack Can Hijack Computers Remotely Over the Network

Exploitation of Rowhammer attack just got easier. Dubbed ‘Throwhammer,’ the newly discovered technique could allow attackers to launch Rowhammer attack on the targeted systems just by sending specially crafted packets to the vulnerable network cards over the local area network. Known since 2012, Rowhammer is a severe issue with recent generation dynamic random access memory (DRAM) chips in …

Datum: 11. 5. 2018

5 Powerful Botnets Found Exploiting Unpatched GPON Router Flaws

Well, that did not take long. Within just 10 days of the disclosure of two critical vulnerabilities in GPON router at least 5 botnet families have been found exploiting the flaws to build an army of million devices. Security researchers from Chinese-based cybersecurity firm Qihoo 360 Netlab have spotted 5 botnet families, including Mettle, Muhstik, Mirai, Hajime, and Satori, making use of …

Datum: 10. 5. 2018

Self-destructing messages received on 'Signal for Mac' can be recovered later

It turns out that macOS client for the popular end-to-end encrypted messaging app Signal fails to properly delete disappearing (self-destructing) messages  from the recipient's system, leaving the content of your sensitive messages at risk of getting exposed. For those unaware, the disappearing messages in Signal self-destruct after a particular duration set by the sender, leaving no trace of …

Datum: 9. 5. 2018

Microsoft Adds Support for JavaScript in Excel—What Could Possibly Go Wrong?

Shortly after Microsoft announced support for custom JavaScript functions in Excel, someone demonstrated what could possibly go wrong if this feature is abused for malicious purposes. As promised last year at Microsoft's Ignite 2017 conference, the company has now brought custom JavaScript functions to Excel to extend its capabilities for better work with data. Functions are written in …

Datum: 9. 5. 2018

Microsoft Patches Two Zero-Day Flaws Under Active Attack

It's time to gear up for the latest May 2018 Patch Tuesday. Microsoft has today released security patches for a total of 67 vulnerabilities, including two zero-days that have actively been exploited in the wild by cybercriminals, and two publicly disclosed bugs. In brief, Microsoft is addressing 21 vulnerabilities that are rated as critical, 42 rated important, and 4 rated as low severity. …

Datum: 9. 5. 2018

Hackers Found Using A New Way to Bypass Microsoft Office 365 Safe Links

Security researchers revealed a way around that some hacking groups have been found using in the wild to bypass a security feature of Microsoft Office 365, which is originally designed to protect users from malware and phishing attacks. Dubbed Safe Links, the feature has been included in Office 365 software as part of Microsoft's Advanced Threat Protection (ATP) solution that works by replacing …

Datum: 8. 5. 2018

A Simple Tool Released to Protect Dasan GPON Routers from Remote Hacking

Since hackers have started exploiting two recently disclosed unpatched critical vulnerabilities found in GPON home routers, security researchers have now released an unofficial patch to help millions of affected users left vulnerable by their device manufacturer. Last week, researchers at vpnMentor disclosed details of—an authentication bypass (CVE-2018-10561) and a root-remote code execution …

Datum: 8. 5. 2018

Two Romanian Hackers Extradited to the U.S. Over $18 Million Vishing Scam

Two Romanian hackers have been extradited to the United States to face 31 criminal charges including computer fraud and abuse, wire fraud conspiracy, wire fraud, and aggravated identity theft. Described as "international computer hackers" by the United States Department of Justice, Teodor Laurentiu Costea, 41, and Robert Codrut Dumitrescu, 40, allegedly rob Americans of more than $18 million …

Datum: 8. 5. 2018

Twitter is Testing End-to-End Encrypted Direct Messages

Twitter has been adopting new trends at a snail's pace. But it’s better to be late than never. Since 2013 people were speculating that Twitter will bring end-to-end encryption to its direct messages, and finally almost 5 years after the encryption era began, the company is now testing an end-to-end encrypted messaging on Twitter. Dubbed "Secret Conversation," the feature has been spotted in …

Datum: 8. 5. 2018

First-Ever Ransomware Found Using ‘Process Doppelgänging’ Attack to Evade Detection

Security researchers have spotted the first-ever ransomware exploiting Process Doppelgänging, a new fileless code injection technique that could help malware evade detection. The Process Doppelgänging attack takes advantage of a built-in Windows function, i.e., NTFS Transactions, and an outdated implementation of Windows process loader, and works on all modern versions of Microsoft Windows OS …

Datum: 7. 5. 2018

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