alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"ET SCAN Rapid POP3 Connections - Possible Brute Force Attack"; flow:to_server; flags: S,12; threshold: type both, track by_src, count 30, seconds 120; reference:url,doc.emergingthreats.net/2002992; classtype:misc-activity; sid:2002992; rev:7; metadata:created_at 2010_07_30, updated_at 2010_07_30;) Added 2018-09-13 19:38:26 UTC
Added 2018-09-13 17:53:03 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"ET SCAN Rapid POP3 Connections - Possible Brute Force Attack"; flow:to_server; flags: S,12; threshold: type both, track by_src, count 30, seconds 120; reference:url,doc.emergingthreats.net/2002992; classtype:misc-activity; sid:2002992; rev:7; metadata:created_at 2010_07_30, updated_at 2010_07_30;) Added 2017-08-07 20:56:23 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"ET SCAN Rapid POP3 Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 30, seconds 120; reference:url,doc.emergingthreats.net/2002992; classtype:misc-activity; sid:2002992; rev:6;) Added 2011-10-12 19:12:40 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"ET SCAN Rapid POP3 Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 30, seconds 120; classtype: misc-activity; reference:url,doc.emergingthreats.net/2002992; sid:2002992; rev:6;) Added 2011-09-14 22:25:37 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"ET SCAN Rapid POP3 Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 30, seconds 120; classtype: misc-activity; reference:url,doc.emergingthreats.net/2002992; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_General_Services; sid:2002992; rev:6;) Added 2011-07-06 18:03:58 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"ET SCAN Rapid POP3 Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 10, seconds 120; classtype: misc-activity; reference:url,doc.emergingthreats.net/2002992; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_General_Services; sid:2002992; rev:5;) Added 2011-02-04 17:22:11 UTC IMHO the count number should be doubled at least. Getting a lot of false positives on a mailserver over here, where customers fetching multiple mailboxes with pop3 connectors... -- ThomasKnaupp - 23 Jun 2011 That's a good idea Thomas. I'll do that now! -- MattJonkman - 06 Jul 2011
alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"ET SCAN Rapid POP3 Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 10, seconds 120; classtype: misc-activity; reference:url,doc.emergingthreats.net/2002992; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_General_Services; sid:2002992; rev:5;) Added 2010-06-28 22:47:02 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"ET SCAN Rapid POP3 Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 10, seconds 120; classtype: misc-activity; reference:url,doc.emergingthreats.net/2002992; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_General_Services; sid:2002992; rev:5;) Added 2010-06-28 22:47:02 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"ET SCAN Rapid POP3 Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 10, seconds 120; classtype: misc-activity; reference:url,doc.emergingthreats.net/2002992; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_General_Services; sid: 2002992; rev:5;) Added 2009-02-11 19:24:44 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"ET SCAN Rapid POP3 Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 10, seconds 120; classtype: misc-activity; reference:url,doc.emergingthreats.net/2002992; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_General_Services; sid: 2002992; rev:5;) Added 2009-02-11 19:24:44 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"ET SCAN Rapid POP3 Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 10, seconds 120; classtype: misc-activity; sid: 2002992; rev:4;) Added 2008-05-18 19:52:13 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"ET SCAN Rapid POP3 Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 10, seconds 120; classtype: misc-activity; sid: 2002992; rev:4;) Added 2008-05-18 19:52:13 UTC
alert tcp any any -> $HOME_NET 110 (msg:"ET SCAN Rapid POP3 Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 10, seconds 120; classtype: misc-activity; sid: 2002992; rev:3;) Added 2008-01-29 10:56:40 UTC
alert tcp any any -> $HOME_NET 110 (msg:"ET SCAN Rapid POP3 Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 10, seconds 120; classtype: misc-activity; sid: 2002992; rev:3;) Added 2008-01-29 10:56:40 UTC
alert tcp any any -> $HOME_NET 110 (msg: "BLEEDING-EDGE SCAN Rapid POP3 Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 10, seconds 120; classtype: misc-activity; sid: 2002992; rev:2;)
Topic revision: r4 - 2011-07-06 - PhilSchroeder
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