Hi, So I've been trying all day to decode this script with no luck. Please help. <?php /* WARNING: This file is protected by copyright law. To reverse engineer or decode this file is strictly prohibited. */ $o="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";eval(base64_decode("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"));return;?> Code (markup): and <?php /* WARNING: This file is protected by copyright law. To reverse engineer or decode this file is strictly prohibited. */ $o="QAAAOzh3b3cnYGJzWG9iZmNidQAgLy48Jzg5Cg0KDQGjbmlka3IAAGNiJy9TQkpXS0ZTQldGU08ABScpJyAoYGZra2J1fikEACADXIQABPFhaGhzBPU=";eval(base64_decode("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"));return;?> Code (markup): Thanks.
It's got a bunch more encoded scripts once you drill down a bit. Most likely it is being used to put a link on your site or something similar. I would be extremely hesitant to use any script that has eval(base64_decode at all. There's probably also a fopen or file_get_contents in there, so they could potentially run any php that they want through this. It is a huge security hole to allow someone else to execute php code on your server.
Most of the times its only links no one would risk putting such codes coz i am sure theme creators wouldnt want a bad name
Definitely. My issue with scripts like this, is that there is a loss of control. If the script owner's site got hacked, malicious code could quickly replace the friendly code. If this is a popular plugin, many sites could be instantly damaged. I understand wanting to get credit for something, but if someone wants to steal the script they are going to do it anyways.