威盾PHP解密算法及加密文件
解密代码如下:
<?php /*********************************** *威盾PHP加密专家解密算法 ***********************************/ $filename="test.php"; //要解密的文件 $lines = file($filename);//0,1,2行 //第一次base64解密 $content=""; if(preg_match("/O0O0000O0\('.*'\)/",$lines[1],$y)) { $content=str_replace("O0O0000O0('","",$y[0]); $content=str_replace("')","",$content); $content=base64_decode($content); } //第一次base64解密后的内容中查找密钥 $decode_key=""; if(preg_match("/\),'.*',/",$content,$k)) { $decode_key=str_replace("),'","",$k[0]); $decode_key=str_replace("',","",$decode_key); } //查找要截取字符串长度 $str_length=""; if(preg_match("/,\d*\),/",$content,$k)) { $str_length=str_replace("),","",$k[0]); $str_length=str_replace(",","",$str_length); } //截取文件加密后的密文 $Secret=substr($lines[2],$str_length); //echo $Secret; //直接还原密文输出 echo "<?php\n".base64_decode(strtr($Secret,$decode_key,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'))."?>"; ?> |
加密后文件如下:
<?php // awzsr.com $OOO0O0O00=__FILE__;$OOO000000=urldecode('%74%68%36%73%62%65%68%71%6c%61%34%63%6f%5f%73%61%64%66%70%6e%72');$OO00O0000=4304;$OOO0000O0=$OOO000000{4}.$OOO000000{9}.$OOO000000{3}.$OOO000000{5};$OOO0000O0.=$OOO000000{2}.$OOO000000{10}.$OOO000000{13}.$OOO000000{16};$OOO0000O0.=$OOO0000O0{3}.$OOO000000{11}.$OOO000000{12}.$OOO0000O0{7}.$OOO000000{5};$O0O0000O0='OOO0000O0';eval(($$O0O0000O0('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')));return;?> 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