phpjm解密程序，也适用于其他混淆加密的破解

<?php
$file = 'plugin.php';  //要破解的文件


$fp = fopen($file, 'r');
$str = fread($fp, filesize($file));
fclose($fp);

copy($file, '0_'.$file);

$n = 1;
while($n < 10){
	$code = strdecode($str);
	if($n == 1){
		$code = str_replace("__FILE__", "'0_$file'", $code);
	}
	
	$replace = '$decode'.$n.'=trim';
	if(strpos($code, 'eval(') > 0){
		$code = str_replace('eval(', $replace.'(', $code);
	}else{
		preg_match("/@\\$(.*)\(\\$(.*),(.*)\(/isU", $code, $res);
		$code = str_replace($res[3], "'$replace", $code);
	}
	
	$code = preg_replace('/\\$(.*)=false;(.*?)\(\);/', '', $code); //上一版本
	$code = preg_replace('/\|\|@\\$(.*?)\(\);/', '|| print("ok");', $code);
	
	$code = destr($code);
	$tmp_file = 'detmp'.$n.'.php';
	file_put_contents($tmp_file, $code);
	include($tmp_file);

	$val = 'decode'.$n;
	$str = $$val;
	
	unlink($tmp_file);
	
	if(strpos($str, ';?>') === 0){
		$decode = $str;
		break;
	}
	
	$str = "<?php\r\n". $str;
	$n++;
}


$decode = preg_replace("/^(.*)exit\('Access Denied'\); /", "<?php\r\n", $decode);
$del = strrchr($decode, 'unset');
$decode = str_replace($del, "\r\n?>", $decode);
file_put_contents($file.'.de.php' ,$decode);
unlink('0_'.$file);
echo 'done';

////////////
function val_replace($code, $val, $deval){
    $code = str_replace('$'.$val.',', '$'.$deval.',', $code);
    $code = str_replace('$'.$val.';', '$'.$deval.';', $code);
    $code = str_replace('$'.$val.'=', '$'.$deval.'=', $code);
    $code = str_replace('$'.$val.'(', '$'.$deval.'(', $code);
    $code = str_replace('$'.$val.')', '$'.$deval.')', $code);
    $code = str_replace('$'.$val.'.', '$'.$deval.'.', $code);
    $code = str_replace('$'.$val.'/', '$'.$deval.'/', $code);
    $code = str_replace('$'.$val.'>', '$'.$deval.'>', $code);
    $code = str_replace('$'.$val.'<', '$'.$deval.'<', $code);
    $code = str_replace('$'.$val.'^', '$'.$deval.'^', $code);
    $code = str_replace('$'.$val.'||', '$'.$deval.'||', $code);
    $code = str_replace('($'.$val.' ', '($'.$deval.' ', $code);
    return $code;
}

function fmt_code($code){
    global $vals,$funs;
    preg_match_all("/\\$[0-9a-zA-Z\[\]']+(,|;)/iesU", $code, $res);
    foreach($res[0] as $v){
        $val = str_replace(array('$',',',';'), '', $v);
        $deval = destr($val, 1);
        $vals[$val] = $deval;
        $code = val_replace($code, $val, $deval);
    }

    preg_match_all("/\\$[0-9a-zA-Z\[\]']+=/iesU", $code, $res);
    foreach($res[0] as $v){
        $val = str_replace(array('$','='), '', $v);
        $deval = destr($val, 1);
        $vals[$val] = $deval;
        $code = val_replace($code, $val, $deval);
    }

    preg_match_all("/function\s[0-9a-zA-Z\[\]]+\(/iesU", $code, $res);
    foreach($res[0] as $v){
        $val = str_replace(array('function ','('), '', $v);
        $deval = destr($val, 1);
        $funs[$val] = $deval;
        $code = str_replace('function '.$val.'(', 'function '.$deval.'(', $code);
        $code = str_replace('='.$val.'(', '='.$deval.'(', $code);
        $code = str_replace('return '.$val.'(', 'return '.$deval.'(', $code);
    }
    return $code;
}

function strdecode($str){
    $len = strlen($str);
    $newstr = '';
    for($i=0; $i<$len; $i++){
        $n = ord($str[$i]);
        $newstr .= decode($n);
    }
    return $newstr;
}

function decode($dec){
    if(($dec > 126 || $dec<32) && $dec<>13 && $dec<>10){
        return '['.$dec.']';
    }else{
        return chr($dec);
    }
}

function destr($str, $val=0){
    $k = 0;
    $num = '';
    $n = strlen($str);
    $code = '';
    for($i=0; $i<$n; $i++){
        if($str[$i] == '[' && ($str[$i+1]==1 || $str[$i+1]==2)){
            $k = 1;
        }elseif($str[$i] == ']' && $k==1){
            $num = intval($num);
            if($val==1){
                $num = 97 + fmod($num, 25);
            }
            $code .= chr($num);
            $k = 0;
            $num = null;
        }else{
            if($k == 1){
                $num .= $str[$i];
            }else{
                $code .= $str[$i];
            }
        }
    }
    return $code;
}
?> 

　　

<?php
//解密 PHP神盾

$file = 'Code2.php';

$fp = fopen($file, 'r');
$str = fread($fp, filesize($file));
fclose($fp);

$code = strdecode($str);

//for func de1
preg_match("/;(.*)\]='(.*?)';for\(/e", $code, $res);
$c1 = $res[2];

//for func de1
preg_match("/;(.*)=(.*)\('(.*)'\);(.*);(.*)$/e", $res[1], $rs);
$c2 = $rs[3];

//for func de2
preg_match("/'\(@(.*?)\(\\\'(.*?)\\\'\)\)/e", $code, $res);
$c3 = $res[2];

preg_match("/'\.(.*?)\.'/e", $c3, $r);
preg_match("/\('(.*?)','/e", $r[1], $r2);
$c4 = $r2[1];
$c4 = base64_decode(de1(destr($c4), 1));
$c3 = str_replace($r[0], $c4, $c3);

$funstr = gzuncompress(base64_decode($c3)).base64_decode($c1);
preg_match("/if(.*),'(.*?)'\)\)/e", $funstr, $res);
$c5 = $res[2];

//find main code
preg_match("/'\(@(.*)\(\\\'(.*?)\\\'\.\(/e", $code, $res);
$c = $res[2];
preg_match("/'\.(.*?)\.'/e", $c, $r);
preg_match("/\('(.*?)','/e", $r[1], $r2);
$c6 = base64_decode(de1(destr($r2[1]), 1));
$c = str_replace($r[0], $c6, $c);

//find $de2
preg_match("/\"\.\((.*)='(.*?)'\)\);/e", $code, $res);
$de2 = destr($res[2]);
$x = ($de2.=de2($de2));
$c .= $x;
$decode = gzuncompress(base64_decode($c));

$str = explode('<!--<?php endif;?>', $decode);
$str = explode('?><?php $GLOBALS', $str[1]);
$decode = $str[0].'?>';

echo $decode;

file_put_contents($file.'.de.php' ,$decode);

//////////////////////////////

function de1($de1,$str2=''){
    global $c1,$c2;
    if(!$str2)return(base64_decode(destr($de1)));
    $s9=de1($c2);
    for($i=0;$i<strlen($de1);$i++)
        $s9.=ord($de1{$i})<245?((ord($de1{$i})>140&&ord($de1{$i})<245)?chr(ord($de1{$i})/2):$de1{$i}):"";
    return(base64_decode($s9));
}

function de2(&$de2){
    global $c5;
    if(strstr($de2,$c5)){
        $de2=str_replace($c5,'',$de2);
        $de2=gzuncompress($de2);
    }
    if(strstr($de2,$c5)){
        $de2=str_replace($c5,'',$de2);
        de2($de2);
    }
    
}

/////////////////////////////

function strdecode($str){
    $len = strlen($str);
    $newstr = '';
    for($i=0; $i<$len; $i++){
        $n = ord($str[$i]);
        $newstr .= decode($n);
    }
    return $newstr;
}

function decode($dec){
    if(($dec > 126 || $dec<32)){
        return '['.$dec.']';
    }else{
        return chr($dec);
    }
}

function destr($str){
    $k = 0;
    $num = '';
    $n = strlen($str);
    $code = '';
    for($i=0; $i<$n; $i++){
        if($str[$i] == '['){
            $k = 1;
        }elseif($str[$i] == ']'){
            $num = intval($num);
            $code .= chr($num);
            $k = 0;
            $num = null;
        }else{
            if($k == 1){
                $num .= $str[$i];
            }else{
                $code .= $str[$i];
            }
        }
    }
    return $code;
}
?>