• Sublime Core Feed
High Severity

AnonymousFox Indicators

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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.

References

No references.

Sublime Security
Created Aug 17th, 2023 • Last updated Aug 21st, 2023
Feed Source
Sublime Core Feed
Source
GitHub
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-")
)

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