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Full disclosure |
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IT Security and Insecurity Portal |
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In need of decoding guidance. |
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Posted: Wed Dec 28, 2011 6:25 am |
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newbie30 |
Beginner |
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Joined: Dec 28, 2011 |
Posts: 1 |
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I am trying to decode a php file and used the online base64 decoder and got this:
(decoded)
Code: | if(!0)$O000O0O00=$OOO000O00($OOO0O0O00,'rb');
$O0O000O00($O000O0O00,1024);
$O0O000O00($O000O0O00,4096);
$OO00O00O0=$OOO0000O0($OOO00000O($O0O00OO00($O000O0O00,380),'Qdg/1BRAusYhjkrLPxpHV4IaWelNC5UytO+8fozSF0MZcX29DwK3JmiGEqbT67vn=','ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'));
eval($OO00O00O0); |
(encoded) Code: | aWYoITApJE8wMDBPME8wMD0kT09PMDAwTzAwKCRPT08wTzBPMDAsJ3JiJyk7JE8wTzAwME8wMCgkTzAwME8wTzAwLDEwMjQpOyRPME8wMDBPMDAoJE8wMDBPME8wMCw0MDk2KTskT08wME8wME8wPSRPT08wMDAwTzAoJE9PTzAwMDAwTygkTzBPMDBPTzAwKCRPMDAwTzBPMDAsMzgwKSwnUWRnLzFCUkF1c1loamtyTFB4cEhWNElhV2VsTkM1VXl0Tys4Zm96U0YwTVpjWDI5RHdLM0ptaUdFcWJUNjd2bj0nLCdBQkNERUZHSElKS0xNTk9QUVJTVFVWV1hZWmFiY2RlZmdoaWprbG1ub3BxcnN0dXZ3eHl6MDEyMzQ1Njc4OSsvJykpO2V2YWwoJE9PMDBPMDBPMCk7 |
Now I have been trying to figure out how to get the whole php decoded. After that encoded string is another in which I assume is the meat and potatoes while the above is the key to unlock it.
Anyone know the next steps? I rather do them so I learn.
Maybe some of this information will help.
Code: | <?php
$OOO000000=urldecode('%66%67%36%73%62%65%68%70%72%61%34%63%6f%5f%74%6e%64');
$OOO0000O0=$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};
$OOO000O00=$OOO000000{0}.$OOO000000{12}.$OOO000000{7}.$OOO000000{5}.$OOO000000{15};
$O0O000O00=$OOO000000{0}.$OOO000000{1}.$OOO000000{5}.$OOO000000{14}.$OOO000000{3};
$O0O00OO00=$OOO000000{0}.$OOO000000{8}.$OOO000000{5}.$OOO000000{9}.$OOO000000{16};
$OOO00000O=$OOO000000{3}.$OOO000000{14}.$OOO000000{8}.$OOO000000{14}.$OOO000000{8};
$OOO0O0O00=__FILE__;
$OO00O0000=48932;
eval($OOO0000O0('aWYoITApJE8wMDBPME8wMD0kT09PMDAwTzAwKCRPT08wTzBPMDAsJ3JiJyk7JE8wTzAwME8wMCgkTzAwME8wTzAwLDEwMjQpOyRPME8wMDBPMDAoJE8wMDBPME8wMCw0MDk2KTskT08wME8wME8wPSRPT08wMDAwTzAoJE9PTzAwMDAwTygkTzBPMDBPTzAwKCRPMDAwTzBPMDAsMzgwKSwnUWRnLzFCUkF1c1loamtyTFB4cEhWNElhV2VsTkM1VXl0Tys4Zm96U0YwTVpjWDI5RHdLM0ptaUdFcWJUNjd2bj0nLCdBQkNERUZHSElKS0xNTk9QUVJTVFVWV1hZWmFiY2RlZmdoaWprbG1ub3BxcnN0dXZ3eHl6MDEyMzQ1Njc4OSsvJykpO2V2YWwoJE9PMDBPMDBPMCk7'));return;?> |
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