SCAN: Cybercop SMTP ehlo
This signature detects attempts to scan the system using CyberCop Scanner. Attackers can be attempting to use the command "ehlo" to determine if the mailer daemon supports extended SMTP commands (Mail transport agents use "ehlo" to find out which extended SMTP commands a remote mailer accepts).
Extended Description
Scanning tools are often used by hackers to determine which networks they may be able to break into.
References
CVE: CVE-1999-0531
Short Name
SCAN:CYBERCOP:SMTP-EHLO
Severity
Warning
Recommended
False
Recommended Action
None
Category
SCAN
Keywords
CVE-1999-0531 Cybercop SMTP ehlo
Release Date
04/22/2003
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