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The Hacker News - Cybersecurity News and Analysis: Avira Antivirus

Someone Hijacks Botnet Network & Replaces Malware with an Antivirus

Someone Hijacks Botnet Network & Replaces Malware with an Antivirus

February 05, 2016Mohit Kumar
The Dridex banking trojan that is widely being used by cyber criminals to distribute malware onto users' machines has now been found distributing a security software. A portion of the Dridex banking Trojan botnet may have been hacked or compromised by an unknown Whitehat Hacker, who replaced the malicious links with  Avira Antivirus  installers. What is Dridex Banking Trojan? How it Works? Dridex malware – also known as Bugat and Cridex – is believed to have been created by cyber criminals in Eastern Europe in an effort to harvest online banking details. Even after a high-profile takedown operation in late 2015, the Dridex botnet seems to be active again. The Dridex virus typically distributes itself through spam messages or emails that include malicious attachments, most often a Microsoft Office file or Word document integrated with malicious macros. Once the malicious file has been clicked, the macros download and install the main payload of the virus – th
Avira Vulnerability Puts Users' Online Backup Data At Risk

Avira Vulnerability Puts Users' Online Backup Data At Risk

September 20, 2014Wang Wei
A popular Anti-virus software Avira that provides free security software to its customers with Secure Backup service is vulnerable to a critical web application vulnerability that could allow an attacker to take over users' account, putting millions of its users' account at risk. Avira is very popular for their free security software that comes with its own real-time protection module against malware and a secure backup service. Avira was considered to be the sixth largest antivirus vendor in 2012 with over 100 million customers worldwide. A 16 year-old security researcher ' Mazen Gamal ' from Egypt told The Hacker News that Avira Website is vulnerable to CSRF (Cross-site request forgery) vulnerability that allows him to hijack users' accounts and access to their online secure cloud backup files. CSRF VULNERABILITY TO  ACCOUNT TAKEOVER Cross-Site Request Forgery (CSRF or XSRF) is a method of attacking a Web site in which an intruder masquerades as a legitimate
Minor flaw allows Hacker to hijack Avira Antivirus customers accounts

Minor flaw allows Hacker to hijack Avira Antivirus customers accounts

April 12, 2013Anonymous
Cross site scripting vulnerabilities are mistakenly considered unimportant, but they could allow attackers to inject client-side script in web pages visited by victims. A cross-site scripting (xss) vulnerability may be exploited by hackers to bypass access controls going beyond the exceptions. An Egyptian information security advisor Ebrahim Hegazy (Zigoo) has found an XSS vulnerability in the Avira license daemon. license.avira.com But instead of exploiting it in a normal way " alert('MyName') " stuff and then reporting, He decided to demonstrate it to Avira security team in a different mode with the purposes to show how could an XSS vulnerability allows the hackers to steal user accounts with a clear text data! To demonstrate this attack he has created 4 files: avira.html - the fake login page log.php - the logger which will log the credentials as clear text into txt file avira.txt - credentials will be found here done.html - wi
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