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Computers infected with the Sobig.F worm are programmed to automatically download an executable of unknown function from a hard-coded list of servers at 19:00 UTC (3:00pm EDT) X-Force is recommending wholesale outbound filtering of the following IP addresses: 67.73.21.6 68.38.159.161 67.9.241.67 66.131.207.81 65.177.240.194 65.93.81.59 65.95.193.138 65.92.186.145 63.250.82.87 65.92.80.218 61.38.187.59 24.210.182.156 24.202.91.43 24.206.75.137 24.197.143.132 12.158.102.205 24.33.66.38 218.147.164.29 12.232.104.221 68.50.208.96 The request method uses UDP port 8998. X-Force also recommends that this port be filtered outbound. -----BEGIN PGP SIGNATURE----- Version: 2.6.2 iQCVAwUBP0YzgjRfJiV99eG9AQHFOQQAmOqrfkuaHasHbFihyTT7cEpd3VxXgruj ibQVTsU4bHBehRsh68l3msQW+W+CgWnbkqxP8YGt5kE5CPJjYJX8yoh6t+s78Qh0 A5eMOc/1THSoaGpjsQpDyqb0LPG0KHkMFp++wb+uGp2CSReif6aGK78vms0L8xQ7 y+pgcFa7fCk= =b7y9 -----END PGP SIGNATURE----- _______________________________________________ ISSForum mailing list [EMAIL PROTECTED] TO UNSUBSCRIBE OR CHANGE YOUR SUBSCRIPTION, go to https://atla-mm1.iss.net/mailman/listinfo
