[Dshield] Spam: random words at start of message
security at admin.fulgan.com
Mon Feb 2 13:10:59 GMT 2004
pmc> I've received a different kind of spam today - the usual forged headers,
pmc> but this time a string of random dictionary words at the start of the
pmc> message body. Also at te end of the message.. Anyone else seen this ?
Yes: it's a common trick used to bypass bayesian filters and
hash-based user spam prevention networks (Spamnet, for instance).
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