SMTP: SMTP Authentication Brute Force Attempt
This signature detects multiple authentication failures to an SMTP mail server in a short period of time. Such activity may be a "Brute Force" dictionary attack, or something attempting to login over and over again with bad credentials.
References
Short Name
SMTP:EXPLOIT:AUTH-BRUTE-FORCE
Severity
Major
Recommended
False
Recommended Action
None
Category
SMTP
Keywords
Attempt Authentication Brute Force SMTP
Release Date
09/01/2014
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3375
False Positive
Unknown