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前端: <html> <head> <!-- This stuff in the header has nothing to do with the level --> </head> <body> <h1>natas27</h1> <div id="content"> <form action="index.php" method="POST"…
源码: <?php // sry, this is ugly as hell. // cheers kaliman ;) // - morla class Logger{ private $logFile; private $initMsg; private $exitMsg; function __construct($file){ // initialise variables $this->initMsg="#--session started--#\n"; $thi…
From:http://alkalinesecurity.com/blog/ctf-writeups/natas-28-getting-it-wrong/ Now that I knew it was ECB I decided to use a chosen plaintext attack, which would allow me to decrypt the portion of the ciphertext after the part that corresponded to the…
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