full-disclosure - Large-scale (spoofed?) tftp scan from 216.154.203.169

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From: loonux at rediffmail.com (jakob donivan)
Subject: Large-scale (spoofed?) tftp scan from 216.154.203.169

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We are presently witnessing a seemingly large number of addresses in
the 66.* network address range receiving tfp GET requests from
216.154.203.169.  The requests are all similar to the following:

07/15-08:33:58.586343 216.154.203.169:41820 -> 66.xx.xx.xx:69
UDP TTL:237 TOS:0x0 ID:29801 IpLen:20 DgmLen:54
Len: 26
00 01 2F 2E 2E 2F 65 74 63 2F 70 61 73 73 77 64  ../../etc/passwd
00 6E 65 74 61 73 63 69 69 00                    .netascii.

The source address resolves back to:

MyNetWatchman, LLC EDEL-203-168-29 (NET-216-154-203-168-1)
                                  216.154.203.168 - 216.154.203.175

Given the nature of the scan I suspect that the source address is spoofed.

L