HTTP: Mail Form Access Attempt
This signature detects attempts to use a specific CGI script to send an e-mail. Spammers can use a CGI script that is already present on a target system to turn the host into an open spam relay.
Extended Description
Mail-form CGI scripts could be abused by spammers to send out unsolicited commercial e-mail.
References
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