Re: Large increase in port 27347

From: Jeff Kell (jeff-kell_at_utc.edu)
Date: 10/30/03

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    Date: Thu, 30 Oct 2003 16:18:40 -0500
To: kyle.r.maxwell@verizon.com, incidents@securityfocus.com

    kyle.r.maxwell@verizon.com wrote:

    > As Mark pointed out, this activity is on TCP 27347, not TCP 27374.
    > Although I wonder if there's some scanning out there based on a typo in
    > the port number?

    We received a number of hits today to the same IP from a number of sources:

    > Oct 30 09:16:36.395 EST: %SEC-6-IPACCESSLOGP: list ingress denied tcp 207.109.175.94(64462) -> aa.bb.cc.dd(27347), 1 packet
    > Oct 30 09:21:06.752 EST: %SEC-6-IPACCESSLOGP: list ingress denied tcp 24.121.8.71(4383) -> aa.bb.cc.dd(27347), 1 packet
    > Oct 30 09:40:50.378 EST: %SEC-6-IPACCESSLOGP: list ingress denied tcp 24.229.177.37(4165) -> aa.bb.cc.dd(27347), 1 packet
    > Oct 30 10:44:25.997 EST: %SEC-6-IPACCESSLOGP: list ingress denied tcp 24.238.68.114(4131) -> aa.bb.cc.dd(27347), 1 packet
    > Oct 30 10:58:41.578 EST: %SEC-6-IPACCESSLOGP: list ingress denied tcp 68.60.47.101(1941) -> aa.bb.cc.dd(27347), 1 packet
    > Oct 30 11:33:51.109 EST: %SEC-6-IPACCESSLOGP: list ingress denied tcp 68.79.5.17(3889) -> aa.bb.cc.dd(27347), 1 packet
    > Oct 30 11:57:54.483 EST: %SEC-6-IPACCESSLOGP: list ingress denied tcp 68.122.191.11(4771) -> aa.bb.cc.dd(27347), 1 packet
    > Oct 30 12:28:41.678 EST: %SEC-6-IPACCESSLOGP: list ingress denied tcp 68.52.149.156(4038) -> aa.bb.cc.dd(27347), 1 packet
    > Oct 30 13:05:24.819 EST: %SEC-6-IPACCESSLOGP: list ingress denied tcp 4.41.167.109(1181) -> aa.bb.cc.dd(27347), 1 packet
    > Oct 30 15:38:19.290 EST: %SEC-6-IPACCESSLOGP: list ingress denied tcp 68.8.239.92(2163) -> aa.bb.cc.dd(27347), 1 packet
    > Oct 30 15:45:50.710 EST: %SEC-6-IPACCESSLOGP: list ingress denied tcp 65.93.88.39(3832) -> aa.bb.cc.dd(27347), 1 packet

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