alert tcp $EXTERNAL_NET any -> $HOME_NET 5900:5920 (msg:"ET SCAN Potential VNC Scan 5900-5920"; flow:to_server; flags:S,12; threshold: type both, track by_src, count 5, seconds 60; reference:url,doc.emergingthreats.net/2002911; classtype:attempted-recon; sid:2002911; rev:6; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2018-09-13 19:38:20 UTC

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Added 2018-09-13 17:53:00 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 5900:5920 (msg:"ET SCAN Potential VNC Scan 5900-5920"; flow:to_server; flags:S,12; threshold: type both, track by_src, count 5, seconds 60; reference:url,doc.emergingthreats.net/2002911; classtype:attempted-recon; sid:2002911; rev:6; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2017-08-07 20:56:19 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 5900:5920 (msg:"ET SCAN Potential VNC Scan 5900-5920"; flags:S,12; threshold: type both, track by_src, count 5, seconds 60; reference:url,doc.emergingthreats.net/2002911; classtype:attempted-recon; sid:2002911; rev:5;)

Added 2014-09-08 17:51:17 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 5900:5920 (msg:"ET SCAN Potential VNC Scan 5900-5920"; flags:S,12; threshold: type threshold, track by_src, count 5, seconds 60; reference:url,doc.emergingthreats.net/2002911; classtype:attempted-recon; sid:2002911; rev:4;)

Added 2011-10-12 19:12:30 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 5900:5920 (msg:"ET SCAN Potential VNC Scan 5900-5920"; flags:S,12; threshold: type threshold, track by_src, count 5, seconds 60; classtype:attempted-recon; reference:url,doc.emergingthreats.net/2002911; sid:2002911; rev:4;)

Added 2011-09-14 22:25:27 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 5900:5920 (msg:"ET SCAN Potential VNC Scan 5900-5920"; flags:S,12; threshold: type threshold, track by_src, count 5, seconds 60; classtype:attempted-recon; reference:url,doc.emergingthreats.net/2002911; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_VNC; sid:2002911; rev:4;)

Added 2011-02-04 17:22:07 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 5900:5920 (msg:"ET SCAN Potential VNC Scan 5900-5920"; flags:S,12; threshold: type threshold, track by_src, count 5, seconds 60; classtype:attempted-recon; reference:url,doc.emergingthreats.net/2002911; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_VNC; sid:2002911; rev:4;)

Added 2009-02-17 01:30:23 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 5900:5920 (msg:"ET SCAN Potential VNC Scan 5900-5920"; flags:S,12; threshold: type threshold, track by_src, count 5, seconds 60; classtype:attempted-recon; reference:url,doc.emergingthreats.net/2002911; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_VNC; sid:2002911; rev:4;)

Added 2009-02-17 01:30:23 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 5900:5920 (msg:"ET SCAN Potential VNC Scan 5900-5920"; flags:S; threshold: type threshold, track by_src, count 5, seconds 60; classtype:attempted-recon; reference:url,doc.emergingthreats.net/2002911; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_VNC; sid:2002911; rev:3;)

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

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alert tcp $EXTERNAL_NET any -> $HOME_NET 5900:5920 (msg:"ET SCAN Potential VNC Scan 5900-5920"; flags:S; threshold: type threshold, track by_src, count 5, seconds 60; classtype:attempted-recon; reference:url,doc.emergingthreats.net/2002911; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_VNC; sid:2002911; rev:3;)

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

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alert tcp $EXTERNAL_NET any -> $HOME_NET 5900:5920 (msg:"ET SCAN Potential VNC Scan 5900-5920"; flags:S; threshold: type threshold, track by_src, count 5, seconds 60; classtype:attempted-recon; sid:2002911; rev:2;)

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

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alert tcp $EXTERNAL_NET any -> $HOME_NET 5900:5920 (msg:"ET SCAN Potential VNC Scan 5900-5920"; flags:S; threshold: type threshold, track by_src, count 5, seconds 60; classtype:attempted-recon; sid:2002911; rev:2;)

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

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alert tcp $EXTERNAL_NET any -> $HOME_NET 5900:5920 (msg: "BLEEDING-EDGE SCAN Potential VNC Scan 5900-5920"; flags:S; threshold: type threshold, track by_src, count 5, seconds 60; classtype:attempted-recon; sid:2002911; rev:1;)

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