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What has the Necurs botnet been up to?

The Necurs botnet has been slowly growing since late 2012 and still tops the list of largest spam botnets in the world. Since then, the botnet has occasionally stopped or temporarily minimized the sending out of spam but has returned in full force. How big is the Necurs botnet? It’s difficult to say precisely, but the latest information provided by the Cisco Talos team can give a general idea. The researchers analyzed 32 distinct spam … More ?

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What has the Necurs botnet been up to?

Satori variant hacks into mining rigs, steals ETH by replacing wallet address

Qihoo 360 Netlab researchers warn about a new variant of the Satori malware that apparently goes after ether (ETH) mining rigs. The malware The malware, dubbed Satori.Coin.Robber, started to reestablish the Satori botnet sinkholed last December, but also hacks into Windows-based mining hosts running the popular Claymore Miner software. Older versions of the Claymore Miner provide a remote monitoring and management interface on port 3333, which by default allow remote reading for mining status, the … More ?

IoT malware targeting zero-day vulnerabilities

Once it became evident that IoT devices can be relatively easily enslaved in botnets and that even their limited power can be used for a variety of nefarious purposes, it was open season for malicious actors. First, they targeted IoT devices with default or weak passwords, and manufacturers and users began changing them. Then they used known vulnerabilities, and IoT vendor increased their efforts to push out patches. Now, some of the botmasters are making … More ?

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IoT malware targeting zero-day vulnerabilities

Q3 2017 Global DDoS Threat Landscape Report released

The newly released Q3 2017 Global DDoS Threat Landscape Report from Imperva Incapsula features insights on attacks and mitigation. These are some of the key findings: Bitcoin was one of the most targeted industries High packet rate attacks grew more common A third of network layer attacks were highly persistent Botnet activity out of India and Turkey continued to climb.

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Q3 2017 Global DDoS Threat Landscape Report released

2017 Forrester Wave: DDoS Mitigation Solutions report

In their 36-criteria evaluation of DDoS mitigation providers, Forrester identified 11 of the most significant ones — Akamai Technologies, Arbor Networks, Cloudflare, F5 Networks, Fortinet, Huawei Technologies, Imperva, Neustar, Nexusguard, Radware, and Verisign — and researched, analyzed, and scored them. The Forrester Wave: DDoS Mitigation Solutions, Q4 2017 report features information designed to help you: Gain critical insights into the growing DDoS mitigation solution market Identify the ideal DDoS mitigation solution for your company’s needs … More ?

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2017 Forrester Wave: DDoS Mitigation Solutions report

An analysis of 120 mobile app stores uncovers plethora of malicious apps

RiskIQ analyzed 120 mobile app stores and more than 2 billion daily scanned resources. In listing and analyzing the app stores hosting the most malicious mobile apps and the most prolific developers of malicious apps, their Q3 mobile threat landscape report documents an increase in blacklisted apps over Q2, as well as the continued issues of imitation and trojan apps in official app stores and the emergence of the massive WireX mobile botnet. Total number … More ?

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An analysis of 120 mobile app stores uncovers plethora of malicious apps

Return of Necurs botnet brings new ransomware threat

The Necurs botnet has returned to the top ten most prevalent malware during November 2017, as cybercriminals used it to distribute a new form of ransomware, according to Check Point. Researchers found that hackers were using Necurs, considered to be the largest spam botnet in the world, to distribute the relatively new Scarab ransomware that was first seen in June 2017. The Necurs botnet started mass distribution of Scarab during the Thanksgiving holiday, sending over … More ?

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Return of Necurs botnet brings new ransomware threat

Criminals leverage unsecured IoT devices, DDoS attacks surge

Organizations experienced an average of 237 DDoS attack attempts per month during Q3 2017 – equivalent to 8 DDoS attack attempts every day – as hackers strive to take their organisations offline or steal sensitive data, according to Corero Network Security. The data, which is based on DDoS attack attempts against Corero customers, represents a 35% increase in monthly attack attempts compared to the previous quarter (Q2 2017), and a 91% increase in monthly attack … More ?

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Criminals leverage unsecured IoT devices, DDoS attacks surge

Infosec expert viewpoint: DDoS attacks

DDoS attacks have become more extensive and are testing the limits of existing DDoS mitigation tools and practices, as well as affecting online businesses globally. Organizations are experiencing an increase in the magnitude of DDoS attacks, with the average size of attacks over 50 Gbps quadrupling in just two years. What presents a particular risk for organizations is the barrage of short, low volume attacks that mask more serious network intrusions. Frost & Sullivan found … More ?

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