#alert tcp $HTTP_SERVERS $HTTP_PORTS -> $EXTERNAL_NET any (msg:"ET SCAN Unusually Fast 400 Error Messages (Bad Request), Possible Web Application Scan"; flow:from_server,established; content:"400"; http_stat_code; threshold: type threshold, track by_dst, count 30, seconds 60; reference:url,www.w3.org/Protocols/rfc2616/rfc2616-sec10.html; reference:url,support.microsoft.com/kb/247249; reference:url,doc.emergingthreats.net/2009884; classtype:attempted-recon; sid:2009884; rev:3;)

Added 2011-10-12 19:28:28 UTC


#alert tcp $HTTP_SERVERS $HTTP_PORTS -> $EXTERNAL_NET any (msg:"ET SCAN Unusually Fast 400 Error Messages (Bad Request), Possible Web Application Scan"; flow:from_server,established; content:"400"; http_stat_code; threshold: type threshold, track by_dst, count 30, seconds 60; classtype:attempted-recon; reference:url,www.w3.org/Protocols/rfc2616/rfc2616-sec10.html; reference:url,support.microsoft.com/kb/247249; reference:url,doc.emergingthreats.net/2009884; sid:2009884; rev:3;)

Added 2011-09-14 22:41:46 UTC


#alert tcp $HTTP_SERVERS $HTTP_PORTS -> $EXTERNAL_NET any (msg:"ET SCAN Unusually Fast 400 Error Messages (Bad Request), Possible Web Application Scan"; flow:from_server,established; content:"400"; http_stat_code; threshold: type threshold, track by_dst, count 30, seconds 60; classtype:attempted-recon; reference:url,www.w3.org/Protocols/rfc2616/rfc2616-sec10.html; reference:url,support.microsoft.com/kb/247249; reference:url,doc.emergingthreats.net/2009884; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Web; sid:2009884; rev:3;)

Added 2011-02-04 17:29:17 UTC


alert tcp $HTTP_SERVERS $HTTP_PORTS -> $EXTERNAL_NET any (msg:"ET SCAN Unusually Fast 400 Error Messages (Bad Request), Possible Web Application Scan"; flow:from_server,established; content:"HTTP/1.1 400"; depth:13; threshold: type threshold, track by_dst, count 30, seconds 60; classtype:attempted-recon; reference:url,www.w3.org/Protocols/rfc2616/rfc2616-sec10.html; reference:url,support.microsoft.com/kb/247249; reference:url,doc.emergingthreats.net/2009884; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Web; sid:2009884; rev:2;)

Added 2009-09-08 16:48:24 UTC


alert tcp $HTTP_SERVERS $HTTP_PORTS -> $EXTERNAL_NET any (msg:"ET SCAN Unusually Fast 400 Error Messages (Bad Request), Possible Web Application Scan"; flow:from_server,established; content:"HTTP/1.1 400"; depth:13; threshold: type threshold, track by_dst, count 30, seconds 60; classtype:attempted-recon; reference:url,www.w3.org/Protocols/rfc2616/rfc2616-sec10.html; reference:url,support.microsoft.com/kb/247249; reference:url,doc.emergingthreats.net/2009884; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Web; sid:2009884; rev:2;)

Added 2009-09-08 16:48:24 UTC


alert tcp $HTTP_SERVERS $HTTP_PORTS -> $EXTERNAL_NET any (msg:"ET SCAN Unusually Fast 400 Error Messages (Bad Request), Possible Web Application Scan"; flow:from_server,established; content:"HTTP/1.1 400"; depth:13; threshold: type threshold, track by_dst, count 30, seconds 60; classtype:attempted-recon; reference:url,www.w3.org/Protocols/rfc2616/rfc2616-sec10.html; reference:url,support.microsoft.com/kb/247249; reference:url,doc.emergingthreats.net/2009884; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Web; sid:2009884; rev:2;)

Added 2009-09-08 16:45:38 UTC


alert tcp $HTTP_SERVERS $HTTP_PORTS -> $EXTERNAL_NET any (msg:"ET SCAN Unusually Fast 400 Error Messages (Bad Request), Possible Web Application Scan"; flow:from_server,established; content:"HTTP/1.1 400"; depth:13; threshold: type threshold, track by_dst, count 30, seconds 60; classtype:attempted-recon; reference:url,www.w3.org/Protocols/rfc2616/rfc2616-sec10.html; reference:url,support.microsoft.com/kb/247249; reference:url,doc.emergingthreats.net/2009884; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Web; sid:2009884; rev:2;)

Added 2009-09-08 16:45:38 UTC


alert tcp $HTTP_SERVERS $HTTP_PORTS -> $EXTERNAL_NET any (msg:"ET SCAN Unusually Fast 400 Error Messages (Bad Request), Possible Web Application Scan"; flow:from_server,established; content:"HTTP/1.1 400"; depth:13; threshold: type threshold, track by_dst, count 30, seconds 60; classtype:attempted-recon; reference:url,www.w3.org/Protocols/rfc2616/rfc2616-sec10.html; reference:url,support.microsoft.com/kb/247249; sid:2009884; rev:1;)

Added 2009-09-08 11:45:37 UTC


alert tcp $HTTP_SERVERS $HTTP_PORTS -> $EXTERNAL_NET any (msg:"ET SCAN Unusually Fast 400 Error Messages (Bad Request), Possible Web Application Scan"; flow:from_server,established; content:"HTTP/1.1 400"; depth:13; threshold: type threshold, track by_dst, count 30, seconds 60; classtype:attempted-recon; reference:url,www.w3.org/Protocols/rfc2616/rfc2616-sec10.html; reference:url,support.microsoft.com/kb/247249; sid:2009884; rev:1;)

Added 2009-09-08 11:44:15 UTC


Topic revision: r1 - 2011-10-12 - TWikiGuest
 
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