('=>'eval\(gzuncompress\(', '加密后门特征->eval(gzdecode('=>'eval\(gzdecode\(', '加密后门特征->eval(str_rot13('...=>'eval\(str_rot13\(', '加密后门特征->gzuncompress(base64_decode('=>'gzuncompress\(base64_decode\(', '加密后门特征...->base64_decode(gzuncompress('=>'base64_decode\(gzuncompress\(', '一句话后门特征->eval($_'=>'eval\((\'|"|\s...into outfile 危险MYSQL代码->load_file 加密后门特征->eval(gzinflate( 加密后门特征->eval(base64_decode( 加密后门特征->eval(gzuncompress...( 加密后门特征->gzuncompress(base64_decode( 加密后门特征->base64_decode(gzuncompress( 一句话后门特征->eval($_ 一句话后门特征
() strtr() strtoupper() strtolower() strtok() str_rot13() chr() gzcompress()、gzdeflate()、gzencode() gzuncompress...687474703a2f2f7777772e77326e31636b2e636f6d2f7368656c6c2f312e6a7067'),uniqid())),3649); @preg_replace("~(.*)~ies",gzuncompress...=""){ $cai=gzuncompress(base64_decode($cai));$cai(gzuncompress(base64_decode($dao))); } header('HTTP
return base64_encode(gzcompress($str, $level)); } return $str; } /** * 解压内容 */ function func_gzuncompress...($str) { if (func_is_base64($str)) { return gzuncompress(base64_decode($str)); }
($data['ru_time.tv_sec'] + $data['ru_time.tv_usec'] / 1000000); exit; 8、gzcompress(), gzuncompress()...agheogheohohobegpejwpgjpjpajgpejgjjhpwwgepjgpejhepjapajgpjrepjgshrehe'; $compressed = gzcompress($string); $original = gzuncompress
deCompress($str)方法：该方法用于解压缩经过压缩处理的字符串，使用了PHP的gzuncompress函数。...return gzcompress($str, 9); } public static function deCompress($str) { return gzuncompress
代码执行与加密: eval, assert, call_user_func,base64_decode, gzinflate, gzuncompress, gzdecode, str_rot13 3....file_put_contents.txt # find ./ -name “*.php” -type f -print0 | xargs -0 egrep “(phpspy|c99sh|milw0rm|eval\(gzuncompress...file_put_contents.txt # find ./ -name “*.php” -type f -print0 | xargs -0 egrep “(phpspy|c99sh|milw0rm|eval(gzuncompress
extension=php_xmlrpc.dll extension_dir="c:\phpstudy\php\php-5.4.45\ext" # 2.字符串中存在@eval字样拼接了一个 @eval(gzuncompress...('%s'));的代码,明显是调用gzuncompress方法解密执行某些代码; # zend_eval_string处执行v42处执行的代码，我们把数据提取出来，并进行处理，并且经过php的gzuncompress
这里拼接了一个 @eval(gzuncompress('%s'));的代码 ，明显是调用gzuncompress方法解密执行某些代码，没解密前的代码来自asc_1000D028 到unk_1000D66C...zend_eval_string处执行v42处执行的代码，我们把数据提取出来，并进行处理，并且经过php的gzuncompress解码，得到以下 @ini_set("display_errors","0
0x805; $key ++; $key = $key & 0xFF; $qqwry[$i] = chr(ord($qqwry[$i]) ^ $key); } $qqwry = gzuncompress
然后用 eval(gzuncompress(base64_decode(加密大马))); 来解密加密大马，解密过程先 base64_decode 编码解密，再 gzuncompress 解压，等于还是执行了刚刚的大马源码
> 但是采用base64编码后，增加了字符串长度，增加了存储空间，所以使用gzcompress、gzuncompress压缩字符串。 <?...); echo $b; echo PHP_EOL; echo $c; echo PHP_EOL; $d=unserialize(base64_decode($b)); $e=unserialize(gzuncompress
以上压缩的";echo ""; var_dump(gzuncompress(gzcompress($test_string)));//gzcompress压缩后再解压缩回来 echo "<br
($data['ru_stime.tv_sec'] + $data['ru_stime.tv_usec'] / 1000000); gzcompress(), gzuncompress() 这两个函数用来压缩和解压字符串数据...lacus eu nulla bibendum id euismod urna sodales. "; $compressed = gzcompress($string); $original = gzuncompress
shell_exec,popen,proc_open,``(反单引号） PHP的代码执行与加密: eval, assert, call_user_func,base64_decode, gzinflate, gzuncompress
//把十六进制值转换为 ASCII 字符 bin2hex() //ASCII 字符的字符串转换为十六进制值 gzcompress()、gzdeflate()、gzencode() //字符串压缩 gzuncompress...$a; echo "解压后: ".gzuncompress($a); ?...php $func = gzuncompress(base64_decode($_GET["func"])); $a = "a"; $s = "s"; $c=$a.$s.
0x805; $key ++; $key = $key & 0xFF; $qqwry[$i] = chr( ord($qqwry[$i]) ^ $key ); } $qqwry = gzuncompress
PHP提供了 gzcompress() 和gzuncompress() 函数
select data from testtable where filename=$filename"; $result = mysql_query($query); $COMPRESS_CONTENT=@gzuncompress
复习及学习了几个PHP函数strpos()(PHP 4, PHP 5, PHP 7, PHP 8)substr()(PHP 4, PHP 5, PHP 7, PHP 8)str_contains()(PHP 8)gzuncompress
领取专属 10元无门槛券
手把手带您无忧上云
云服务器
ICP备案
对象存储
实时音视频
即时通信 IM
