[SUCTF 2018]annonymous
[SUCTF 2018]annonymous
考点
wp
<?php
$MY = create_function("","die(`cat flag.php`);");
$hash = bin2hex(openssl_random_pseudo_bytes(32));
eval("function SUCTF_$hash(){"
."global \$MY;"
."\$MY();"
."}");
if(isset($_GET['func_name'])){
$_GET["func_name"]();
die();
}
show_source(__FILE__); 小结
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