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Category Archives: Botnets

Cloudmark’s 2014 Q1 Global Messaging Threat Report

Current events around the world became the focal point of many malicious and innocuous spam campaigns in the email and mobile messaging space this quarter. In Cloudmark’s 2014 Q1 Global Messaging Threat Report we’ve detailed several malicious campaigns that have reverted to a more old fashioned way of distributing malware, email spam, following the arrest […]

Twenty Years of Spam

April 12th is the 20th anniversary of the first large scale commercial spam – the infamous “Green Card Lawyers” message that was posted to every newsgroup on Usenet News (right). Though there were attempts at spamming starting as early as 1978, they went out to hundreds of users rather than the hundreds of thousands that […]

The Authentication Arms Race

At Cloudmark, we have long recognized that we are in an arms race against the spammers. Spammers are continually trying to come up with new techniques for getting through our spam filters, and we are constantly monitoring their activities and staying one step ahead. It seems that the same thing is now happening in the […]

Update on Hacked Web Servers

Just when the plague of hacked web servers seemed to be dying down a little, we hear of a new exploit for Joomla. While we haven’t seen this exploit being used by spammers yet, it will likely turn up in coming weeks. In the meantime, there are already two easy exploits in Joomla 1.5 that […]

2013’s First Quarter at a Glance

With the close of 2013’s first quarter, we’ve released our Q1 2013 Global eMessaging Threat Report detailing a myriad of SMS and IP spam statistics, trends and observations from the past three months. Paramount among them is a set of allegations leveled by the Federal Trade Commission (FTC). These filings contended that the defendants were […]

URL Redirection Abuse

It’s great to see Twitter taking the lead on the URL shortener security. Twitter acquired Dasient earlier in the year and it’s refreshing to see them being put into action securing the t.co linkage and what’s more t.co is now going to front more and more links seen in the service. Further reading: http://www.telegraph.co.uk/technology/twitter/9883076/Twitter-shortens-tweets-by-two-characters.html Since […]

Android SMS Spambot Update – SpamSoldier

Yesterday we told you about an Android trojan used to send SMS spam. Currently, the versions of this malware being distributed by the spammer are: angrybirds.apk MD5 = a0e7a47c6b3582f9c9a4c5166eb0eace gtavicecity.apk MD5 = a8de900d9ff269455f4344b8e8409699 needforspeed.apk MD5  = c18bc53d74e8a6926453a8c86355501a The Command and Control server has moved to pinktrash.mobi, though imperialistic.mobi is still functional for the handsets infected […]

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