Rule: -- Sid: 2334 -- Summary: This event is generated when an attempt is made to access a Yak! FTP server using the default username and password. -- Impact: Administrative access to the server. -- Detailed Information: Yak FTP servers have a default username and password of "user" and "y049575046", if this is not changed by the administrator it is possible for an attacker to gain unauthorised access to the server. -- Affected Systems: Yak FTP servers -- Attack Scenarios: An attacker merely needs to login to the server using the default username and password. -- Ease of Attack: Simple. No exploit software required. -- False Positives: None known. -- False Negatives: None known. -- Corrective Action: Change the username and password. -- Contributors: Sourcefire Research Team Brian Caswell <bmc@sourcefire.com> Nigel Houghton <nigel.houghton@sourcefire.com> -- Additional References: --
