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.

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

mx-19.3

vmx-19.3

vsrx-19.2

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-19.4

vsrx3bsd-19.4

srx-branch-19.4

vsrx-19.4

vmx-19.4

mx-19.4

srxevo-25.4

vsrx-26.2

srx-26.2

srx-branch-26.2

vsrx3bsd-26.2

mx-12.3

srx-12.3

srx-branch-12.3

vsrx-12.3

Sigpack Version
3375
False Positive
Unknown

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