> I've just received a new version of the same old message which was missed
> by the Mr Wiggly rules.
>
> Message source here: http://www.mailsecurity.net.au/tmp/mrwiggly.txt

Persistant little swine this one...  The following works nicely for me and
has generated no false positives yet (hence the high score), YMMV:

# Look for URIs linking to a .GIF or .JPG with one or two letters
# then one or two numbers as the name
uri       AMB_IMAGE_CONTENT  /\/[a-z][a-z]?[0-9][0-9]?\.(gif|jpg)/i
describe  AMB_IMAGE_CONTENT  Contains URI linking to numbered GIF or JPG
score     AMB_IMAGE_CONTENT  3.0

Andy

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