Snort mailing list archives
Browser Extension Hijack sigs
From: James Lay <jlay () slave-tothe-box net>
Date: Mon, 13 May 2013 11:02:35 -0600
http://blogs.technet.com/b/mmpc/archive/2013/05/10/browser-extension-hijacks-facebook-profiles.aspx I created the firefox plugin sigs a while ago (fixed): alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"POLICY Firefox Plugin install"; flow:to_server,established; content:"mozilla"; http_header; content:".xpi"; http_uri; reference:url,http://research.zscaler.com/2012/09/how-to-install-silently-malicious.html; classtype:bad-unknown; sid:10000029; rev:2) alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"POLICY Possible Firefox Plugin install from non-trusted source"; flow:to_server,established; content:!"mozilla"; http_header; content:".xpi"; http_uri; reference:url,http://research.zscaler.com/2012/09/how-to-install-silently-malicious.html; classtype:bad-unknown; sid:10000030; rev:2) These should match with Chrome: alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"POLICY Chrome Plugin install"; flow:to_server,established; content:"googleusercontent"; http_header; content:"|2f|crx|2f|blobs"; http_uri; reference:url,http://blogs.technet.com/b/mmpc/archive/2013/05/10/browser-extension-hijacks-facebook-profiles.aspx; classtype:bad-unknown; sid:10000054; rev:1) alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"POLICY Possible Chrome Plugin install from non-trusted source"; flow:to_server,established; content:!"googleusercontent"; http_header; content:"|2f|crx|2f|blobs"; http_uri; reference:url,http://blogs.technet.com/b/mmpc/archive/2013/05/10/browser-extension-hijacks-facebook-profiles.aspx; classtype:bad-unknown; sid:10000055; rev:1) Enjoy James ------------------------------------------------------------------------------ Learn Graph Databases - Download FREE O'Reilly Book "Graph Databases" is the definitive new guide to graph databases and their applications. This 200-page book is written by three acclaimed leaders in the field. The early access version is available now. Download your free book today! http://p.sf.net/sfu/neotech_d2d_may _______________________________________________ Snort-sigs mailing list Snort-sigs () lists sourceforge net https://lists.sourceforge.net/lists/listinfo/snort-sigs http://www.snort.org Please visit http://blog.snort.org for the latest news about Snort!
Current thread:
- Browser Extension Hijack sigs James Lay (May 13)
- Re: [Emerging-Sigs] Browser Extension Hijack sigs Will Metcalf (May 13)
- Re: [Emerging-Sigs] Browser Extension Hijack sigs James Lay (May 13)
- Re: [Emerging-Sigs] Browser Extension Hijack sigs James Lay (May 13)
- Re: [Emerging-Sigs] Browser Extension Hijack sigs Will Metcalf (May 13)