Tag Archives: function-maybe

Millions download botnet-building malware from Google Play

Researchers have discovered a new batch of malicious apps on Google Play, some of which have been downloaded and installed on some 2.6 million devices. The apps’ capabilities The apps posed as legitimate offerings that modify the look of the characters in Minecraft: Pocket Edition (PE). In the background, though, they set out to rope the devices into a botnet. Once they were installed on a target device, they would connect to a C&C server, … More ?

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Millions download botnet-building malware from Google Play

Investigation reveals large botnet hiding behind Fast Flux technique

Fast Flux, a DNS technique first introduced in 2006 and widely associated with the Storm Worm malware variants, can be used by botnets to hide various types of malicious activities – including phishing, web proxying, malware delivery, and malware communication. The technique allows the botnet to “hide” behind an ever-changing network of compromised hosts, ultimately acting as proxies and making detection incredibly difficult. High-level architecture overview of the Fast Flux network ?and associated threat landscape … More ?

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Investigation reveals large botnet hiding behind Fast Flux technique

Global DDoS mitigation market trends and developments

Frost & Sullivan found that the DDoS mitigation market generated a revenue of $816 million in 2016 and is expected to register a CAGR of 17.1 percent through 2021. Threat actors’ continuous development of new techniques to overwhelm their target’s defenses and improve effectiveness of their DDoS attacks in terms of scale, frequency, stealth, and sophistication, are factors driving rapid growth. DDoS attacks are on the rise Attacks have become more extensive and are testing … More ?

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Global DDoS mitigation market trends and developments

Week in review: Cyber threat hunting, Android DDoS botnet, drone bug bounty

Here’s an overview of some of last week’s most interesting news, podcasts and articles: New, custom ransomware delivered to orgs via extremely targeted emails Ransomware campaigns are usually wide-flung affairs: the attackers send out as many malicious emails as possible and hope to hit a substantial number of targets. But more targeted campaigns are also becoming a trend. Getting a start on cyber threat hunting We live in a world where the adversaries will persist … More ?

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Week in review: Cyber threat hunting, Android DDoS botnet, drone bug bounty

Tech firms band together to take down Android DDoS botnet

An ad-hoc alliance of tech firms has managed to seriously cripple an Android-based botnet that was being actively used to DDoS multiple content providers. The botnet, dubbed WireX by the researchers, consisted of Android devices with malicious apps installed. In fact, in the wake of the discovery, Google has pulled some 300 such apps from Google Play, began removing them remotely from affected users’ devices, and blocked them from being installed. The malicious apps The … More ?

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Tech firms band together to take down Android DDoS botnet

Week in review: Android Oreo security, hacking robots, DDoS attacks on the rise

Here’s an overview of some of last week’s most interesting news, podcasts and articles: Judge limits DOJ’s search of anti-Trump website data On Thursday, District of Columbia Superior Court Judge Robert Morin ruled that DreamHost must comply with the narrowed warrant, but has further limited the government’s access to the asked-for data, in order to limit exposure of sensitive user information. Review: Securing the Internet of Things The authors do a good job explaining the … More ?

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Week in review: Android Oreo security, hacking robots, DDoS attacks on the rise

Here we go again: DDoS attacks on the rise!

Newly released data shows that DDoS and web application attacks are on the rise once again, according to Akamai’s Second Quarter, 2017 State of the Internet / Security Report. Contributing to this rise was the PBot DDoS malware which re-emerged as the foundation for the strongest DDoS attacks seen by Akamai this quarter. In the case of PBot, malicious actors used decades-old PHP code to generate the largest DDoS attack observed by Akamai in the … More ?

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Here we go again: DDoS attacks on the rise!

Surprisingly stealthy botnet has been targeting users for years

ESET researchers have unearthed a botnet of some 500,000 infected machines engaged mostly in ad-related fraud by using malicious Chrome extensions, but also Facebook fraud and brute-forcing Joomla and WordPress websites. In addition to this, the compromised machines are also equipped with a fully featured backdoor, which allows the operators to spy on all the victims, and to download additional malware on the computers. A long-standing operation There are many unusual things about the so-called … More ?

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Surprisingly stealthy botnet has been targeting users for years

There’s now a WannaCry decryptor tool for most Windows versions

As the criminals behind the WannaCry ransomware are trying to make it work again, security researchers have created tools for decrypting files encrypted by it. DDoS attacks against the killswitch domains Since researcher Marcus Hutchins (aka MalwareTech) registered a (previously non-existent) killswitch domain for the malware and stopped its onslaught, the domain has been under attack by Mirai-powered botnets. Today’s Sinkhole DDoS Attack pic.twitter.com/wxT2YUrdOF — MalwareTech (@MalwareTechBlog) May 18, 2017 That particular domain has been … More ?

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There’s now a WannaCry decryptor tool for most Windows versions

Bondnet botnet goes after vulnerable Windows servers

A botnet consisting of some 2,000 compromised servers has been mining cryptocurrency for its master for several months now, “earning” him around $1,000 per day. GuardiCore researchers first spotted it in December 2016, and have been mapping it out and following its evolution since then. The’ve dubbed it Bondnet, after the handle its herder uses online (“Bond007.01”). Compromised Windows servers serve different functions Bondnet’s main reason of being is the mining of cryptocurrencies: primarily Monero, … More ?

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Bondnet botnet goes after vulnerable Windows servers