JSRedir-R/Gumblar badness
Reader Ben sent an email reminding me that I must have been living under a rock to miss the sudden uptick in Gumblar/JSRedir-R drive-bys.
Although this malware has been around for a while, several A/V vendors and some relatively mainstream news outlets have recently reported a large increase in websites injected with JSRedir-R/Gumblar. According to Sophos this malware accounted for approximately 42% of all infected websites detected in the last week, nearly 6 times its closest rival.
Although the infection method is not clear, given the variety of servers and platforms, it is most likely weak login credentials.
More information is available at Sophos and the Unmask Parasites blog.
Update: Holger informed the ISC that the dropbox for this trojan, gumblar.cn has been offline since last friday, but a successor has come online, martuz.cn.
-- Rick Wanner - rwanner at isc dot sans dot org
Cisco SAFE Security Reference Guide Updated
A number of years ago I found myself in a new role responsible for consulting on the security of a VoIP platform. Having never been responsible for VoIP security I went looking for Internet sources which I could use as a reference. What I discovered was the Cisco SAFE security guides. Although the SAFE VoIP security guide is long gone, the Cisco SAFE Security Reference Guide has recently been updated. The Reference Guide is the omnibus document containing design standards for all aspects of network security. Although Cisco-centric the Guide is a very complete and can be adapted to whatever technologies you choose to deploy in your networks. In addition to the Reference Guide, the SAFE home page contains other papers which may be of use in interpreting SAFE.
-- Rick Wanner rwanner at isc dot sans dot org
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