Unusual proxy port scan

From: Bill Royds (sf-listsat_private)
Date: Sat Jun 22 2002 - 17:48:53 PDT

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    My home cable modem with switch recorded this interesting scan this afternoon (times EDT).
    I know about 8080 and 3128 (SQUID proxy ports) but what are 3389 and 1813, especially since there was a bigger push on 1813
    
    
    
    Sat June 22 2002 13:02:02 Unrecognized access from 4.18.239.237:3941 to TCP port 8080
    Sat June 22 2002 13:02:02 Unrecognized access from 4.18.239.237:3944 to TCP port 3128
    Sat June 22 2002 13:02:02 Unrecognized access from 4.18.239.237:3945 to TCP port 3389
    Sat June 22 2002 13:02:02 Unrecognized access from 4.18.239.237:3946 to TCP port 1813
    Sat June 22 2002 13:02:05 Unrecognized access from 4.18.239.237:3941 to TCP port 8080
    Sat June 22 2002 13:02:05 Unrecognized access from 4.18.239.237:3946 to TCP port 1813
    Sat June 22 2002 13:02:05 Unrecognized access from 4.18.239.237:3944 to TCP port 3128
    Sat June 22 2002 13:02:05 Unrecognized access from 4.18.239.237:3945 to TCP port 3389
    Sat June 22 2002 13:02:11 Unrecognized access from 4.18.239.237:3941 to TCP port 8080
    Sat June 22 2002 13:02:11 Unrecognized access from 4.18.239.237:3946 to TCP port 1813
    Sat June 22 2002 13:02:12 Unrecognized access from 4.18.239.237:3944 to TCP port 3128
    Sat June 22 2002 13:02:12 Unrecognized access from 4.18.239.237:3945 to TCP port 3389
    Sat June 22 2002 13:02:27 Unrecognized access from 4.18.239.237:1057 to TCP port 1813
    Sat June 22 2002 13:02:31 Unrecognized access from 4.18.239.237:1057 to TCP port 1813
    Sat June 22 2002 13:02:37 Unrecognized access from 4.18.239.237:1057 to TCP port 1813
    
    IP has no reverse host name lookup
    
    
    $ dig -x 4.18.239.237
    
    ; <<>> DiG 8.3 <<>> -x
    ;; res options: init recurs defnam dnsrch
    ;; got answer:
    ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 4
    ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
    ;; QUERY SECTION:
    ;;      237.239.18.4.in-addr.arpa, type = ANY, class = IN
    
    ;; AUTHORITY SECTION:
    239.18.4.in-addr.arpa.  43m20s IN SOA   dnspri.sys.gtei.net. dns-admin.bbnplanet.com. (
                                            2002052850      ; serial
                                            1H              ; refresh
                                            15M             ; retry
                                            1w3d            ; expiry
                                            1D )            ; minimum
    
    
    ;; Total query time: 1000 msec
    ;; FROM: bill-nt to SERVER: default -- 192.168.0.148
    ;; WHEN: Sat Jun 22 18:36:38 2002
    ;; MSG SIZE  sent: 43  rcvd: 121
    
    
    $ whois -h whois.arin.net INTEL-239-10
    Intel (NETBLK-INTEL-239-10)
       5200 NE Elam Young Parkway
       Hillsboro, OR 97124
       US
    
       Netname: INTEL-239-10
       Netblock: 4.18.239.192 - 4.18.239.255
    
       Coordinator:
          Vasconcellos, Phillip  (PV172-ARIN)  phillip.vasconcellosat_private
          503-712-9140
    
       Record last updated on 11-Oct-2001.
       Database last updated on  21-Jun-2002 19:59:57 EDT.
    
    The ARIN Registration Services Host contains ONLY Internet
    Network Information: Networks, ASN's, and related POC's.
    Please use the whois server at rs.internic.net for DOMAIN related
    Information and whois.nic.mil for NIPRNET Information.
    $ whois -h whois.arin.net 4.18.239.237
    GENUITY (NET-GNTY-4-0)          GNTY-4-0               4.0.0.0 - 4.255.255.255
    Intel (NETBLK-INTEL-239-10)     INTEL-239-10       4.18.239.192 - 4.18.239.255
    
    To single out one record, look it up with "!xxx", where xxx is the
    handle, shown in parenthesis following the name, which comes first.
    
    The ARIN Registration Services Host contains ONLY Internet
    Network Information: Networks, ASN's, and related POC's.
    Please use the whois server at rs.internic.net for DOMAIN related
    Information and whois.nic.mil for NIPRNET Information.
    
    
    
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