alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET SCAN Nessus User Agent"; flow: established,to_server; content:"Nessus"; nocase; depth:40; http_user_agent; threshold: type limit, track by_src,count 1, seconds 60; reference:url,www.nessus.org; reference:url,doc.emergingthreats.net/2002664; classtype:attempted-recon; sid:2002664; rev:10; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2017-08-07 20:56:09 UTC


alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"ET SCAN Nessus User Agent"; flow: established,to_server; content:"User-Agent|3a|"; http_header; nocase; content:"Nessus"; http_header; fast_pattern; nocase; pcre:"/^User-Agent\:[^\n]+Nessus/Hmi"; threshold: type limit, track by_src,count 1, seconds 60; reference:url,www.nessus.org; reference:url,doc.emergingthreats.net/2002664; classtype:attempted-recon; sid:2002664; rev:12;)

Added 2011-10-12 19:12:07 UTC


alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"ET SCAN Nessus User Agent"; flow: established,to_server; content:"User-Agent|3a|"; http_header; nocase; content:"Nessus"; http_header; fast_pattern; nocase; pcre:"/^User-Agent\:[^\n]+Nessus/Hmi"; threshold: type limit, track by_src,count 1, seconds 60; classtype: attempted-recon; reference:url,www.nessus.org; reference:url,doc.emergingthreats.net/2002664; sid:2002664; rev:12;)

Added 2011-09-14 22:25:01 UTC


alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"ET SCAN Nessus User Agent"; flow: established,to_server; content:"User-Agent|3a|"; http_header; nocase; content:"Nessus"; http_header; fast_pattern; nocase; pcre:"/^User-Agent\:[^\n]+Nessus/Hmi"; threshold: type limit, track by_src,count 1, seconds 60; classtype: attempted-recon; reference:url,www.nessus.org; reference:url,doc.emergingthreats.net/2002664; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Nessus; sid:2002664; rev:12;)

Added 2011-02-04 17:21:59 UTC


alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"ET SCAN Nessus User Agent"; flow: established,to_server; content:"User-Agent\:"; depth:300; nocase; content:"Nessus"; nocase; distance:0; within:40; pcre:"/User-Agent\:[^\n]+Nessus/i"; threshold: type limit, track by_src,count 1, seconds 60; reference:url,www.nessus.org; classtype: attempted-recon; reference:url,doc.emergingthreats.net/2002664; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Nessus; sid:2002664; rev:5;)

Added 2009-02-12 18:21:19 UTC


alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"ET SCAN Nessus User Agent"; flow: established,to_server; content:"User-Agent\:"; depth:300; nocase; content:"Nessus"; nocase; distance:0; within:40; pcre:"/User-Agent\:[^\n]+Nessus/i"; threshold: type limit, track by_src,count 1, seconds 60; reference:url,www.nessus.org; classtype: attempted-recon; reference:url,doc.emergingthreats.net/2002664; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Nessus; sid:2002664; rev:5;)

Added 2009-02-12 18:21:19 UTC


alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"ET SCAN Nessus User Agent"; flow: established,to_server; content:"User-Agent\:"; depth:300; nocase; content:"Nessus"; nocase; distance:0; within:40; pcre:"/User-Agent\:[^\n]+Nessus/i"; threshold: type limit, track by_src,count 1, seconds 60; reference:url,www.nessus.org; classtype: attempted-recon; sid:2002664; rev:4;)

Added 2008-01-29 10:56:40 UTC


alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"ET SCAN Nessus User Agent"; flow: established,to_server; content:"User-Agent\:"; depth:300; nocase; content:"Nessus"; nocase; distance:0; within:40; pcre:"/User-Agent\:[^\n]+Nessus/i"; threshold: type limit, track by_src,count 1, seconds 60; reference:url,www.nessus.org; classtype: attempted-recon; sid:2002664; rev:4;)

Added 2008-01-29 10:56:40 UTC


alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg: "BLEEDING-EDGE SCAN Nessus User Agent"; flow: established,to_server; content:"User-Agent\:"; depth:300; nocase; pcre:"/User-Agent\:[^\n]+Nessus/i"; threshold: type limit, track by_src,count 1, seconds 60; reference:url,www.nessus.org; classtype: attempted-recon; sid:2002664; rev:3;)



Topic revision: r1 - 2017-08-08 - TWikiGuest
 
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