Ninjamailer.php

If you have encountered this file in a web environment, it is often indicative of a or a web shell . Key details include:

If you found ninjamailer.php in your site's directory and did not put it there: ninjamailer.php

: It is frequently flagged as a "mailer" used by threat groups (such as those involved in "Operation Armor Piercer") to automate the delivery of maldocs and archives. If you have encountered this file in a

The file ninjamailer.php is most commonly associated with a used by cyberattackers to send spam or malicious content. Specifically, a tool named TeamCC ninjaMailer v1.3.3 has been identified by security researchers at Talos Intelligence as part of the toolsets used in targeted cyber campaigns to distribute malicious documents and download links. Common Characteristics ninjamailer.php