Joe Man
Joined: 21 Jan 2004
Posts: 742
Location: S. Latitude 47°9', W. Longitude 123°43'
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 Posted: Sat Jan 29, 2005 8:32 am Post subject: Spam trap. Even better than James' |
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http://www.absforums.com/index.php?showtopic=37308&st=0&#entry1284364
Behold. This might actually be useful to you, though it might not. I thought it might be interesting.
| Code: | <?php
/***********************
* SpikeTrap *
* by rmuser *
* v006 *
* Started 27 Jan 2005 *
* Updated 29 Jan 2005 *
***********************/
$minlen = 4;
$maxlen = 13;
$minaddr = 18;
$maxaddr = 113;
$minlinks = 7;
$maxlinks = 33;
$alphabet = array('a',
'a',
'b',
'c',
'd',
'e',
'e',
'f',
'g',
'h',
'i',
'i',
'j',
'k',
'l',
'm',
'n',
'o',
'o',
'p',
'q',
'r',
's',
't',
'u',
'u',
'v',
'w',
'x',
'y',
'z');
$tlds = array('.com',
'.com',
'.com',
'.com',
'.com',
'.com',
'.com',
'.net',
'.net',
'.net',
'.net',
'.net',
'.org',
'.org',
'.org',
'.edu',
'.gov',
'.mil',
'.biz',
'.info',
'.us',
'.co.uk',
'.ac.uk',
'.org.uk',
'.com.au',
'.co.nz',
'.co.jp',
'.ne.jp',
'.ac.jp',
'.fi',
'.se',
'.de',
'.nl',
'.ws',
'.cc',
'.tv',
'.ch',
'.no',
'.be',
'.ca',
'.cx',
'.pl',
'.ru',
'.tk');
function microrand() {
list($usec, $sec) = explode(' ', microtime());
return (float)$usec * 1000000;
}
function gen_addr() {
global $minlen, $maxlen, $alphabet, $tlds;
$namelen = mt_rand($minlen, $maxlen);
$domainlen = mt_rand($minlen, $maxlen);
$tld = $tlds[mt_rand(0, count($tlds)-1)];
$name = '';
for ($n = 0; $n <= $namelen; $n++) {
$name .= $alphabet[mt_rand(0, count($alphabet)-1)];
}
$domain = '';
for ($d = 0; $d <= $domainlen; $d++) {
$domain .= $alphabet[mt_rand(0, count($alphabet)-1)];
}
echo '<a href="mailto:' . $name . '@' . $domain . $tld . '">' . $name . '@' . $domain . $tld . '</a>';
}
function gen_addr_nolink() {
global $minlen, $maxlen, $alphabet, $tlds;
$namelen = mt_rand($minlen, $maxlen);
$domainlen = mt_rand($minlen, $maxlen);
$tld = $tlds[mt_rand(0, count($tlds)-1)];
$name = '';
for ($n = 0; $n <= $namelen; $n++) {
$name .= $alphabet[mt_rand(0, count($alphabet)-1)];
}
$domain = '';
for ($d = 0; $d <= $domainlen; $d++) {
$domain .= $alphabet[mt_rand(0, count($alphabet)-1)];
}
echo $name . '@' . $domain . $tld;
}
function gen_link($ext = '.html') {
global $minlen, $maxlen, $alphabet;
$namelen = mt_rand($minlen, $maxlen);
$name = '';
for ($n = 0; $n <= $namelen; $n++) {
$name .= $alphabet[mt_rand(0, count($alphabet)-1)];
}
echo '<a href="http://' . $_SERVER['SERVER_NAME'] . $_SERVER['SCRIPT_NAME'] . '/' . mt_rand(1, 99999999999) . $ext . '">' . $name . '</a>';
}
function gen_text($len = 8) {
global $alphabet;
$text = '';
for ($t = 0; $t <= $len; $t++) {
$text .= $alphabet[mt_rand(0, count($alphabet)-1)];
}
echo $text;
}
// Access logging
$logfp = fopen('/home/ninjas/traplog.txt', 'a');
$loginfo = date("[H:i:s T j F Y]\t") . 'http://' . $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'] . "\t" . $_SERVER['REMOTE_ADDR'] . "\t" . gethostbyaddr($_SERVER['REMOTE_ADDR']) . "\t" . $_SERVER['HTTP_USER_AGENT'] . "\n";
fwrite($logfp, $loginfo);
fclose($logfp);
if (!isset($_SERVER['PATH_INFO'])) {
mt_srand(microrand());
}
else {
$path = explode('/', $_SERVER['PATH_INFO']);
$path = explode('.', $path[1]);
if (empty($path[0])) {
mt_srand(microrand());
}
elseif (!is_numeric($path[0])) {
mt_srand(microrand());
}
elseif (strlen($path[0]) > $maxlen) {
mt_srand(microrand());
}
else {
mt_srand($path[0]);
}
}
$pattern = mt_rand(0, 2);
sleep(3);
switch ($pattern) {
case 0:
?>
<HTML>
<HEAD>
<TITLE><?php for ($g = 0; $g <= mt_rand(1, 5); $g++) { gen_text(mt_rand(3, 11)); echo ' '; } ?></TITLE>
<META NAME="robots" CONTENT="noindex,nofollow">
</HEAD>
<BODY>
<P>
<?php
for ($w = 0; $w <= mt_rand(5, 19); $w++) {
gen_text(mt_rand(3, 11));
echo ' ';
}
?>
</P>
<P>
<?php
for ($a = 0; $a <= mt_rand($minaddr, $maxaddr); $a++) {
gen_addr();
echo "<BR>\n";
}
?>
</P>
<P>
<?php
for ($b = 0; $b <= mt_rand($minaddr, $maxaddr); $b++) {
gen_addr_nolink();
echo ' ';
}
?>
</P>
<P>
<?php
for ($l = 0; $l <= mt_rand($minlinks, $maxlinks); $l++) {
gen_link('.html');
echo ' ';
}
?>
</P>
<P>
<?php
for ($w = 0; $w <= mt_rand(7, 28); $w++) {
gen_text(mt_rand(3, 11));
echo ' ';
}
?>
</P>
</BODY>
</HTML>
<?php
break;
case 1:
echo '<?xml version="1.0" encoding="iso-8859-1"?','>';
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<title><?php for ($g = 0; $g <= mt_rand(2, 8); $g++) { gen_text(mt_rand(4, 9)); echo ' '; } ?></title>
<meta name="robots" content="noindex,nofollow" />
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
</head>
<body>
<div>
<?php
for ($a = 0; $a <= mt_rand($minaddr, $maxaddr); $a++) {
gen_addr();
echo ' ';
}
?>
<br /><br />
<?php
for ($w = 0; $w <= mt_rand(8, 27); $w++) {
gen_text(mt_rand(6, 15));
echo ' ';
}
?>
<br /><br />
<?php
for ($b = 0; $b <= mt_rand($minaddr, $maxaddr); $b++) {
gen_addr_nolink();
echo "<br />\n";
}
?>
<br />
<?php
for ($w = 0; $w <= mt_rand(7, 28); $w++) {
gen_text(mt_rand(3, 11));
echo ' ';
}
?>
<br /><br />
<?php
for ($l = 0; $l <= mt_rand($minlinks, $maxlinks); $l++) {
gen_link('.php');
echo "<br />\n";
}
?>
</div>
</body>
</html>
<?php
break;
case 2:
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title><?php for ($g = 0; $g <= mt_rand(3, 7); $g++) { gen_text(mt_rand(2, 7)); echo ' '; } ?></title>
<meta name="robots" content="noindex,nofollow">
</head>
<body>
<?php
for ($b = 0; $b <= mt_rand($minaddr, $maxaddr); $b++) {
gen_addr_nolink();
echo ' ';
}
?>
<br><br>
<?php
for ($a = 0; $a <= mt_rand($minaddr, $maxaddr); $a++) {
gen_addr();
echo "<br>\n";
}
?>
<br>
<?php
for ($w = 0; $w <= mt_rand(5, 19); $w++) {
gen_text(mt_rand(3, 11));
echo ' ';
}
?>
<br><br>
<?php
for ($l = 0; $l <= mt_rand($minlinks, $maxlinks); $l++) {
gen_link('.htm');
echo ' ';
}
?>
</body>
</html>
<?php
break;
}
?> |
_________________
"Everyone has 200,000 bad drawings in them, the sooner you get them out the better."
~Charles Martin Jones
Last edited by Joe Man on Fri Dec 13, 1957 1:21 am; edited 2,892 time in total |
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! What is it? Obviously a spam trap but how does it work?