alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"ET SCAN Rapid IMAP Connections - Possible Brute Force Attack"; flow:to_server; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; reference:url,doc.emergingthreats.net/2002994; classtype:misc-activity; sid:2002994; rev:7; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2018-09-13 19:38:26 UTC

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Added 2018-09-13 17:53:03 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"ET SCAN Rapid IMAP Connections - Possible Brute Force Attack"; flow:to_server; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; reference:url,doc.emergingthreats.net/2002994; classtype:misc-activity; sid:2002994; rev:7; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2017-08-07 20:56:23 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"ET SCAN Rapid IMAP Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; reference:url,doc.emergingthreats.net/2002994; classtype:misc-activity; sid:2002994; rev:6;)

Added 2011-10-12 19:12:40 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"ET SCAN Rapid IMAP Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; classtype: misc-activity; reference:url,doc.emergingthreats.net/2002994; sid:2002994; rev:6;)

Added 2011-09-14 22:25:37 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"ET SCAN Rapid IMAP Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; classtype: misc-activity; reference:url,doc.emergingthreats.net/2002994; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_General_Services; sid:2002994; rev:6;)

Added 2011-05-23 18:40:23 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"ET SCAN Rapid IMAP Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; classtype: misc-activity; reference:url,doc.emergingthreats.net/2002994; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_General_Services; sid:2002994; rev:6;)

Added 2011-05-23 18:25:46 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"ET SCAN Rapid IMAP 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/2002994; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_General_Services; sid:2002994; rev:5;)

Added 2011-02-04 17:22:11 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"ET SCAN Rapid IMAP Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 20, seconds 120; classtype: misc-activity; reference:url,doc.emergingthreats.net/2002994; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_General_Services; sid:2002994; rev:6;)

Added 2010-08-15 10:10:33 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"ET SCAN Rapid IMAP Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 20, seconds 120; classtype: misc-activity; reference:url,doc.emergingthreats.net/2002994; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_General_Services; sid:2002994; rev:6;)

Added 2010-08-15 10:10:33 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"ET SCAN Rapid IMAP 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/2002994; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_General_Services; sid:2002994; rev:5;)

Added 2010-06-28 22:47:02 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"ET SCAN Rapid IMAP 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/2002994; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_General_Services; sid:2002994; rev:5;)

Added 2010-06-28 22:47:02 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"ET SCAN Rapid IMAP 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/2002994; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_General_Services; sid: 2002994; rev:5;)

Added 2009-02-11 19:24:44 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"ET SCAN Rapid IMAP 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/2002994; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_General_Services; sid: 2002994; rev:5;)

Added 2009-02-11 19:24:44 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"ET SCAN Rapid IMAP Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 10, seconds 120; classtype: misc-activity; sid: 2002994; rev:4;)

Added 2008-05-18 19:52:13 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"ET SCAN Rapid IMAP Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 10, seconds 120; classtype: misc-activity; sid: 2002994; rev:4;)

Added 2008-05-18 19:52:13 UTC

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alert tcp any any -> $HOME_NET 143 (msg:"ET SCAN Rapid IMAP Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 10, seconds 120; classtype: misc-activity; sid: 2002994; rev:3;)

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

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alert tcp any any -> $HOME_NET 143 (msg:"ET SCAN Rapid IMAP Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 10, seconds 120; classtype: misc-activity; sid: 2002994; rev:3;)

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

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alert tcp any any -> $HOME_NET 143 (msg: "BLEEDING-EDGE SCAN Rapid IMAP Connections - Possible Brute Force Attack"; flags: S,12; threshold: type both, track by_src, count 10, seconds 120; classtype: misc-activity; sid: 2002994; rev:2;)

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