High Severity
AnonymousFox Indicators
Description
Detects email messages that contain (anonymous|smtp)fox in the sender email address, X-Authenticated-Sender or X-Sender fields. This is indicative of messages sourced from an AnonymousFox compromised website.
Sublime Security
Created Aug 17th, 2023 • Last updated Jul 19th, 2024
Feed Source
Sublime Core Feed
Source
type.inbound
and any(headers.hops,
any(.fields,
regex.icontains(.name, "X-Authenticated-Sender|X-Sender")
and regex.icontains(.value, "(anonymous|smtp)fox-")
)
or regex.icontains(sender.email.email, "(anonymous|smtp)fox-")
)
Playground
Test against your own EMLs or sample data.