trojan Archives

Tag: trojan

New Banking Trojan Hacks The FAQ To Fool Users

May 1, 2013 Paul Roberts

Cyber criminals are notoriously crafty and persistent, especially when it comes to defeating security measures created to thwart them. But a group behind a recent version of the Ramnit banking malware has raised their game to a new level: hacking the customer FAQ (frequently asked questions) document to make their malicious activity look like it was business-as-usual. A report on Tuesday by the security firm Trusteer finds that new variants of Ramnit targeting a UK bank have added features to game a one-time-password (OTP) feature at the bank. Among other tricks, the Ramnit variant uses an HTML injection attack to alter the wording of the bank’s customer FAQ, making it seem as if prompts created by the malware were standard security features at the bank. The report, published on the Trusteer blog, described a complex ruse in which Ramnit lies dormant on infected machines, then springs to action once a […]

Spammers Using Yahoo, Google To Whitewash Links

March 27, 2013 Paul Roberts

If the gigantic distributed denial of service (DDoS) attacks against the spam blacklisting operation Spamhaus wasn’t proof enough: spammers have trouble steering around blacklists and other reputation-based filters. Even if the language in their message is generic enough to avoid detection, dropping a link to a known, malicious- or compromised domain is plenty to get an entire message dropped. Spammers without a legion of 100,000 bots at their fingertips have to get creative about getting their message into the target’s inbox. Lately, a method that’s drawing attention is to leverage low-security redirection services to whitewash a link to a ‘known-malicious’ or merely suspicious sites. Barracuda Networks said that it has captured spam attacks that are combining a Yahoo based URL shortening service with Google’s free Translate service to whitewash links in spam e-mail messages and evade automated detection. The message, which was sent to a Barracuda “honeypot” system includes a […]

D.C. Insider Site NationalJournal.com Serving Malware

March 13, 2013 Paul Roberts

Watering hole -style attacks are all the rage these days, as our recent coverage on the attacks against Facebook and Twitter suggest. That makes us look askance at any report of a web site compromise – especially at a site that’s known to serve an audience that’s of interest to sophisticated, nation-state backed hacking crews. That’s why it caught our attention this week that the web site for the DC-insider magazine The National Journal (nationaljournal.com) was found serving malware. According to a blog post by Anup Ghosh at the security firm Invincea, The National Journal’s Web site was serving up attacks to visitors of the site on Tuesday. The discovery was surprising, as the magazine acknowledged an earlier compromise on February 28th and said that it had since secured its site. That National Journal, part of The Atlantic Media Company, is widely read within Washington D.C.’s political circles. It […]

Many Watering Holes, Targets In Hacks That Netted Facebook, Twitter and Apple

March 11, 2013 Paul Roberts

The attacks that compromised computer systems at Facebook, Twitter, Apple Corp. and Microsoft were part of a wide-ranging operation that relied on many “watering hole” web sites that attracted employees from prominent firms across the U.S., The Security Ledger has learned. The assailants responsible for the cyber attacks used at least two mobile application development sites as watering holes in addition to the one web site that has been disclosed: iPhoneDevSDK.com. Still other watering hole web sites used in the attack weren’t specific to mobile application developers – or even to software development. Still, they served almost identical attacks to employees of a wide range of target firms, across industries, including prominent auto manufacturers, U.S. government agencies and even a leading candy maker, according to sources with knowledge of the operation. More than a month after the attacks came to light, many details remain under tight wraps. Contacted by The Security […]

Whitelist Goes Black: Security Firm Bit9 Hacked

February 9, 2013 Paul Roberts

Application “whitelisting” offers an alternative to signature based malware protection. Rather than trying to spot the bad guys, the thinking goes, just identify a list of approved (whitelisted) applications, then block everything else. But what happens when the whitelist, itself, becomes compromised? That’s the scenario that’s playing out with customers of whitelisting firm Bit9, which acknowledged a breach of its corporate network that allowed unknown assailants to gain control of an application code signing server. The acknowledgement came after Bit9 was contacted regarding the breach by Brian Krebs of Krebsonsecurity.com, which broke the news Friday. Little is known about the incident. In a blog post, Bit9’s CEO, Patrick Morley, said that only three of the company’ s customers were affected. Those customers identified malware on their networks that had been signed by one of Bit9’s code signing servers. The lapse was the result of a breach on Bit9’s own network. […]