Tarballs

[Giorgos Keramidas]

On 2004-08-30 09:20, Nikos <konpad at auth.gr.spam-someone-else> wrote:
> ps. olos o kosmos sto alt.hacker alla kais e polla alla newsgroups mou
> eipan pos den prepei na xrisimopoio in pragamtiki mou dieuthynsi giati oi
> spammer exoun automated tools called harvesters ta opoia sylelgoun mail
> address apo to google kai groups.google (USENET) kai kanoun spamming.
> Vevaia exo antispam tool to IncrediMail alla giati na to fortono me adika
> spam. Toso dyskolo einai otan kaneis reply na vgaleis to spam-someone-
> else?

Hint: afou mporo na to kano ego, mporei kai to spamtool.  Otan kapoios
spammer stelnei 1,000,000 email th mera den einai polu duskolo na kanei
to ekshs:

    An ( to address kanei match me "*spam*" )
        Spase to address opou exei '.' h allo non-letter
        Steile se olous tous pithanous sunduasmous

Gia paradeigma, des ti dieu8unseis tupwnei to parakatw:

    $ cat -n spammer.pl
         1  #!/usr/bin/perl -w
         2
         3  use strict;
         4
         5  sub iterate {
         6      my @vec = @_;
         7
         8      return (@vec, "") if ($#vec == 0);
         9
        10      my @rest = @vec[1..$#vec];
        11      my @kor = iterate(@rest);
        12
        13      my $x;
        14      my @retval;
        15      foreach $x (@kor) {
        16          push @retval, $x;
        17          push @retval, $vec[0] . '.' . $x;
        18      }
        19
        20      return @retval;
        21  }
        22
        23  my @konpad = ("auth", "gr", "spam-someone-else");
        24  my @foo = iterate(@konpad);
        25
        26  my $x;
        27  foreach $x (@foo) {
        28      print "$x\n";
        29  }
    $ perl spammer.pl | sed -e 's/^\.//' -e 's/\.$//' | \
      grep -v '^[[:space:]]*$' | sed -e 's/^/konpad@/'
    konpad at spam-someone-else
    konpad at auth.spam-someone-else
    konpad at gr.spam-someone-else
    konpad at auth.gr.spam-someone-else
    konpad at auth
    konpad at gr
    konpad at auth.gr
    $

Αν εγώ μπόρεσα χωρίς ιδιαίτερη σκέψη και μέσα σε 5 λεπτά να φτιάξω κάτι
τέτοιο τι σε κάνει να πιστεύεις ότι ήδη δεν το έχει κάνει κάποιος
spammer;

> Olos o allos kosmos sto USENET pou kanei to idio einai ilithioi?

Όχι.  Απλά πιστεύουν κάτι λάθος.  Η πλειοψηφία δεν είναι πάντα μέτρο της
λογικής ή της αλήθειας μιας πίστης, βλ.

    http://www.intrepidsoftware.com/fallacy/pop.php

> Kai sto kato kato thelo na vlepo tis apantiseis mono stin liusta oxi na
> mou erxontai kai sto email.

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