The Channel logo

News

By | John Leyden 13th May 2008 15:46

Drive-by download attack compromises 500K websites

A funny thing happened on the way to the forum

More than half a million web pages have been compromised with malware as part of a new attack, Trend Micro warns.

Badly configured PHP bulletin board applications are being used to plant malicious JavaScript on web forums. The JavaScript is used to push variants of the Zlob Trojan that come disguised as a video codec installer.

The Trojans change DNS and browser settings on infected PCs leaving them open to further attack. Many of the compromised forums were already used to spamvertise knock-down drugs and smut sites. In the UK most of the infected websites belong to small- to medium-size firms whose weak security controls have left the door open to hackers.

The malware is served up from systems based in the US and Russia. Trend reckons the latest attack bears the same hallmarks as previous attacks by a Russian and Ukrainian gang punting the Zlob Trojan. Trend has more on the attack in a blog posting here.

Cybercrooks are increasingly looking toward planting malicious script onto regular sites rather than attempts to trick users into visiting obviously dodgy sites touting warez and porn. Fake media codecs are becoming a favourite vector for spreading spyware and Trojans.

Last week McAfee warned that hundreds of thousands of samples of new Trojan that poses as a media file had flooded onto P2P networks. The booby-trapped files in that case and the Zlob-infected media codecs in the latest case both turn infected machines into zombie clients under the control of hackers.

In both cases the scale of the attack rather than the technology in play, which has been around for months, is what's noteworthy. ®

comment icon Read 14 comments on this article alert Send corrections

Opinion

Baby looks taken aback/shocked/affronted. Photo by Shutterstock

Kat Hall

Plans for 2 million FTTP connections in next four years 'not enough'
Microsoft CEO Satya Nadella
Stranded_ships

Chris Mellor

Thousands of layoffs announced as spinning rust enters its death spiral

Features

STRASBOURG, JUNE 29, 2016: The seat of the European Parliament. by Marco Aprile for shutterstock. EDITORIAL USE ONLY
Plan b, image via Shutterstock
EU workers, new markets: post-Brexit pressure on May & Co
Tough question, pic via Shutterstock
Honest mistake with your licensing? Audit police look at it on a 'case by case basis'