#alert udp $HOME_NET 137 -> $EXTERNAL_NET any (msg:"ET SCAN Multiple NBTStat Query Responses to External Destination, Possible Automated Windows Network Enumeration"; content:"|20 43 4b 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 00 00 21|"; depth:55; threshold: type threshold, track by_dst, count 10, seconds 60; reference:url,technet.microsoft.com/en-us/library/cc940106.aspx; reference:url,doc.emergingthreats.net/2009767; classtype:attempted-recon; sid:2009767; rev:4; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2017-08-07 21:02:53 UTC


#alert udp $HOME_NET 137 -> $EXTERNAL_NET any (msg:"ET SCAN Multiple NBTStat Query Responses to External Destination, Possible Automated Windows Network Enumeration"; content:"|20 43 4b 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 00 00 21|"; depth:55; fast_pattern; threshold: type threshold, track by_dst, count 10, seconds 60; reference:url,technet.microsoft.com/en-us/library/cc940106.aspx; reference:url,doc.emergingthreats.net/2009767; classtype:attempted-recon; sid:2009767; rev:5;)

Added 2011-10-12 19:28:13 UTC


#alert udp $HOME_NET 137 -> $EXTERNAL_NET any (msg:"ET SCAN Multiple NBTStat Query Responses to External Destination, Possible Automated Windows Network Enumeration"; content:"|20 43 4b 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 00 00 21|"; depth:55; fast_pattern; threshold: type threshold, track by_dst, count 10, seconds 60; classtype:attempted-recon; reference:url,technet.microsoft.com/en-us/library/cc940106.aspx; reference:url,doc.emergingthreats.net/2009767; sid:2009767; rev:5;)

Added 2011-09-14 22:41:30 UTC


#alert udp $HOME_NET 137 -> $EXTERNAL_NET any (msg:"ET SCAN Multiple NBTStat Query Responses to External Destination, Possible Automated Windows Network Enumeration"; content:"|20 43 4b 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 00 00 21|"; depth:55; fast_pattern; threshold: type threshold, track by_dst, count 10, seconds 60; classtype:attempted-recon; reference:url,technet.microsoft.com/en-us/library/cc940106.aspx; reference:url,doc.emergingthreats.net/2009767; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Netbios; sid:2009767; rev:5;)

Added 2011-02-04 17:29:09 UTC


#alert udp $HOME_NET 137 -> $EXTERNAL_NET any (msg:"ET SCAN Multiple NBTStat Query Responses to External Destination, Possible Automated Windows Network Enumeration"; content:"|20 43 4b 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 00 00 21|"; depth:55; threshold: type threshold, track by_dst, count 10, seconds 60; classtype:attempted-recon; reference:url,technet.microsoft.com/en-us/library/cc940106.aspx; reference:url,doc.emergingthreats.net/2009767; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Netbios; sid:2009767; rev:4;)

Added 2009-08-26 10:00:44 UTC


#alert udp $HOME_NET 137 -> $EXTERNAL_NET any (msg:"ET SCAN Multiple NBTStat Query Responses to External Destination, Possible Automated Windows Network Enumeration"; content:"|20 43 4b 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 00 00 21|"; depth:55; threshold: type threshold, track by_dst, count 10, seconds 60; classtype:attempted-recon; reference:url,technet.microsoft.com/en-us/library/cc940106.aspx; reference:url,doc.emergingthreats.net/2009767; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Netbios; sid:2009767; rev:4;)

Added 2009-08-26 10:00:44 UTC


#alert udp $HOME_NET 137 -> $EXTERNAL_NET any (msg:"ET SCAN Multiple NBTStat Query Responses to External Destination, Possible Automated Windows Network Enumeration"; flow:to_client; content:"|20 43 4b 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 00 00 21|"; depth:55; threshold: type threshold, track by_dst, count 10, seconds 60; classtype:attempted-recon; reference:url,technet.microsoft.com/en-us/library/cc940106.aspx; reference:url,doc.emergingthreats.net/2009767; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Netbios; sid:2009767; rev:3;)

Added 2009-08-25 20:45:35 UTC


#alert udp $HOME_NET 137 -> $EXTERNAL_NET any (msg:"ET SCAN Multiple NBTStat Query Responses to External Destination, Possible Automated Windows Network Enumeration"; flow:to_client; content:"|20 43 4b 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 00 00 21|"; depth:55; threshold: type threshold, track by_dst, count 10, seconds 60; classtype:attempted-recon; reference:url,technet.microsoft.com/en-us/library/cc940106.aspx; reference:url,doc.emergingthreats.net/2009767; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Netbios; sid:2009767; rev:3;)

Added 2009-08-25 20:45:35 UTC


#alert udp $HOME_NET 137 -> $EXTERNAL_NET any (msg:"ET SCAN Multiple NBTStat Query Responses to External Destination, Possible Automated Windows Network Enumeration"; flow:from_client; content:"|20 43 4b 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 00 00 21|"; depth:55; threshold: type threshold, track by_dst, count 10, seconds 60; classtype:attempted-recon; reference:url,technet.microsoft.com/en-us/library/cc940106.aspx; reference:url,doc.emergingthreats.net/2009767; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Netbios; sid:2009767; rev:2;)

Added 2009-08-22 16:45:39 UTC


#alert udp $HOME_NET 137 -> $EXTERNAL_NET any (msg:"ET SCAN Multiple NBTStat Query Responses to External Destination, Possible Automated Windows Network Enumeration"; flow:from_client; content:"|20 43 4b 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 00 00 21|"; depth:55; threshold: type threshold, track by_dst, count 10, seconds 60; classtype:attempted-recon; reference:url,technet.microsoft.com/en-us/library/cc940106.aspx; reference:url,doc.emergingthreats.net/2009767; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Netbios; sid:2009767; rev:2;)

Added 2009-08-22 16:45:39 UTC


#alert udp $HOME_NET 137 -> $EXTERNAL_NET any (msg:"ET SCAN Multiple NBTStat Query Responses to External Destination, Possible Automated Windows Network Enumeration"; flow:from_client; content:"|20 43 4b 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 00 00 21|"; depth:55; threshold: type threshold, track by_dst, count 10, seconds 60; classtype:attempted-recon; reference:url,technet.microsoft.com/en-us/library/cc940106.aspx; sid:2009767; rev:1;)

Added 2009-08-20 12:00:37 UTC


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