detect-suspicious-orig.zeek¶

SMTP¶

Namespace: SMTP
Imports: base/frameworks/notice/main.zeek, base/protocols/smtp/main.zeek

Summary¶

Runtime Options¶

`SMTP::suspicious_origination_countries`: `set` `&redef`	Places where it’s suspicious for mail to originate from represented as all-capital, two character country codes (e.g., US).
`SMTP::suspicious_origination_networks`: `set` `&redef`

Redefinitions¶

Notice::Type: enum

SMTP::Suspicious_Origination

Detailed Interface¶

Runtime Options¶

SMTP::suspicious_origination_countries¶

Type: set [string]
Attributes: &redef
Default: {}

Places where it’s suspicious for mail to originate from represented as all-capital, two character country codes (e.g., US). It requires Zeek to be built with GeoIP support.

SMTP::suspicious_origination_networks¶

Type: set [subnet]
Attributes: &redef
Default: {}