Snort mailing list archives
Re: Sourcefire VRT Certified Snort Rules Update 2015-01-27
From: "Rodgers, Anthony (DTMB)" <RodgersA1 () michigan gov>
Date: Wed, 28 Jan 2015 14:03:14 +0000
It looks like the 'content:"/2507US-1/"; ' match has been removed from 1:31557 in rev 3, which is causing a lot of apparent FPs on our network. Anyone else seeing this? Rev 2: alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"BLACKLIST USER-AGENT known malicious user-agent string - Mozilla/5.0 - Win.Backdoor.Andromeda"; flow:to_server,established; content:"/2507US-1/"; http_uri; content:"User-Agent|3A| Mozilla/5.0|0D 0A|"; fast_pattern:5,20; nocase; http_header; metadata:policy balanced-ips drop, policy security-ips drop, service http; reference:url,www.virustotal.com/en/file/51b3f93d8ebd83fb01306c8797f50b01d14d2c0c9d861782dcca4b4dfbf80cc3/analysis/; classtype:trojan-activity; sid:31557; rev:2; ) Rev 3: alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"BLACKLIST USER-AGENT known malicious user-agent string - Mozilla/5.0 - Win.Trojan.Upatre"; flow:to_server,established; content:"User-Agent|3A| Mozilla/5.0|0D 0A|"; fast_pattern:5,20; nocase; http_header; metadata:impact_flag red, policy balanced-ips drop, policy security-ips drop, service http; reference:url,www.virustotal.com/en/file/51b3f93d8ebd83fb01306c8797f50b01d14d2c0c9d861782dcca4b4dfbf80cc3/analysis/; classtype:trojan-activity; sid:31557; rev:3; ) Anthony Rodgers Security Analyst Michigan Security Operations Center (MiSOC) -----Original Message----- From: Research [mailto:research () sourcefire com] Sent: Tuesday, January 27, 2015 12:42 To: snort-sigs () lists sourceforge net Subject: [Snort-sigs] Sourcefire VRT Certified Snort Rules Update 2015-01-27 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Sourcefire VRT Certified Snort Rules Update Synopsis: This release adds and modifies rules in several categories. Details: The VRT has added and modified multiple rules in the blacklist, browser-ie, file-flash, file-multimedia, file-pdf, indicator-compromise, malware-cnc, malware-other, os-windows, pua-adware and server-webapp rule sets to provide coverage for emerging threats from these technologies. For a complete list of new and modified rules please see: https://www.snort.org/advisories -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iD8DBQFUx80xQLjqI2QiHVMRAvgyAJ4i4BtN6tT8rbRFuADxU9Q5XFkt2QCfWyFr 92zwsadqdriaRWRP5EFdlFc= =Q9n5 -----END PGP SIGNATURE----- ------------------------------------------------------------------------------ Dive into the World of Parallel Programming. The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ 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! ------------------------------------------------------------------------------ Dive into the World of Parallel Programming. The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ 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:
- Sourcefire VRT Certified Snort Rules Update 2015-01-27 Research (Jan 27)
- Re: Sourcefire VRT Certified Snort Rules Update 2015-01-27 Rodgers, Anthony (DTMB) (Jan 28)
- Re: Sourcefire VRT Certified Snort Rules Update 2015-01-27 Joel Esler (jesler) (Jan 28)
- Re: Sourcefire VRT Certified Snort Rules Update 2015-01-27 Jeff Stebelton (Jan 28)
- Re: Sourcefire VRT Certified Snort Rules Update 2015-01-27 Joel Esler (jesler) (Jan 28)
- Re: Sourcefire VRT Certified Snort Rules Update 2015-01-27 Benjamin Small (Jan 28)
- Re: Sourcefire VRT Certified Snort Rules Update 2015-01-27 Joel Esler (Jan 28)
- Re: Sourcefire VRT Certified Snort Rules Update 2015-01-27 Dalton, Gerry (Jan 28)
- Re: Sourcefire VRT Certified Snort Rules Update 2015-01-27 Joel Esler (jesler) (Jan 28)
- Re: Sourcefire VRT Certified Snort Rules Update 2015-01-27 Jeff Stebelton (Jan 28)
- Re: Sourcefire VRT Certified Snort Rules Update 2015-01-27 Benjamin Small (Jan 28)
- Re: Sourcefire VRT Certified Snort Rules Update 2015-01-27 Joel Esler (Jan 28)
- Re: Sourcefire VRT Certified Snort Rules Update 2015-01-27 Rodgers, Anthony (DTMB) (Jan 28)