Koler Malware Propagating Through SMS

A new iteration of the Android ransomware Koler has surfaced that’s trying to trick its victims into downloading the malware by propagating through SMS messages. Android users receive SMS messages containing shortened bit.ly URLs that ultimately lead to the malicious .APK. Once opened, the packag...

Feedburner Hosting Malicious JavaScript Dropper

A sub-domain of Google’s Feedburner RSS management platform is hosting a string of malicious JavaScript embedded with an iFrame, all of which is designed to upload a Trojan onto user machines and redirect visitors to a series of malicious sites. According to a report published by the security fir...

More Malware Showing Up as Fake SourceForge Web Sites

Malware developers continue to clone SourceForge Web sites that appear to offer the source code for popular gaming software but are actually peddling malicious code tied to the ZeroAccess Trojan. Julien Sobrier, a security researcher for San Jose-based cloud security provider Zscaler, on Tuesday...

Hijacked Web Sites Among The Most Visited On Google's Black List

Legitimate Web sites that have been hijacked and used to serve malicious content greately outnumber malicious sites on a list of the most-trafficked sites on Google’s blacklist, according to analysis by security firm Zscaler. Zscaler analyzed the top one million Web sites on the Web, based on...

Android Malware as Beware of Chinese called "The Roar of the Pharaoh"

Android Malware as Chinese game "The Roar of the Pharaoh" Security researchers have spotted a bogus Chinese game, that's actually a trojan horse gathering sensitive information from infected devices, next to sending premium-rate SMS messages. It is Chinese game that is original with its rights bu...

Sites Hosted by Hacking Victim Dreamhost Redirected To Scam Page

A report from Web security firm zScaler finds that Web pages hosted by the firm Dreamhost are being redirected to a scam Web site in Russia following a hack of the company’s servers last month. In a blog post, zScaler Senior Security Researcher Julien Sobrier reports that his firm, which secures...

Zulu - Zscaler Malware Scanning Service

Zulu - Zscaler Malware Scanning Service Zscaler has launched a new freE online service called Zulu that can assess the security risk associated with URLs by analyzing the content they point to, as well as the reputation of their corresponding domain names and IP addresses. Zulu allows security...

Attackers Moving to .CE.MS Domain For Attack Sites

Attackers have been making a mess of some of the smaller country-code top-level domains for a while now, registering random domain names en masse and then using them deliver malware and rogue AV. The most infamous example of this is the .co.cc domain, which had become so infested with malicious...

Geek.com Hacked, Found Hosting Exploit Kit

The security geeks at Geek.com were busy this weekend, after Web security firm zScaler found evidence that an exploit kit was using malicious iframe attacks to try to attack visitors to the company’s Web site, according to a Zscaler report Sunday. A post on the web security firm’s blog indicated...

Facebook Owned 42% of Egyptian Web Traffic Before Blackout

How important a role did Facebook play in the popular revolution that swept Egypt last week? According to data from security firm zScaler: it was very important. Fully 42% of the country’s Web surfing on January 27, the day before Egypt’s main ISPs abruptly severed ties to the Internet. Activity ...

SEO Poisoned Sites Still Slipping By Google

Attacks that use search engine optimization to push malicious pages into the top rankings on search engine results are on the rise in 2011, but new research from zScaler suggests that efforts to identify and block the pages are paying meager dividends. A blog post by Web security firm zScaler not...

zScaler: Resurgent Lethic using Stuxnet Tricks

Newly detected versions of the Lethic botnet are digitally signed using stolen credentials similar to those used by the Stuxnet worm, according to a blog post from Web security firm zScaler. In a blog post Wednesday, zScaler Senior Security Researcher Mike Geide said the company had intercepted n...

Hackers Use Google Code to Distribute Malware, zScaler Reports

Last year, there were discussions about Google Code—a platform that lets developers host their projects—being exploited to distribute malware. Research by zScaler has identified yet another instance where this platform has been misused. According to the Google Code site: "Project Hosting on Googl...

Black Hat SEO

This Google TechTalk features Julien Sobrier of Zscaler discussing the tactics and techniques that spam gangs use in constructing their black hat SEO campaigns...

Google Code Discovered Serving Malware

Google has removed malicious programs from its Google Code platform after Web firm zScaler said the company’s servers were being used to serve malicious code. HED: Google serving up malware from Google Code project, firm alleges DEK: Web firm zScaler says that Google’s CODE platform is being used...

Old and Insecure, IE6 Still Popular in the Enterprise

Conventional wisdom has it that Microsoft’s Internet Explorer Web browser is on the way out: succumbing to the death of thousand cuts administered by plucky rivals like Mozilla’s Firefox, Google’s Chrome and even Opera. But data from Web security firm zScaler shows that the Old Blue Lady of the W...