Nearly all malicious domains get issued a certificate — either manually or automatically — very early in their lifecycle and before becoming active. Certificates also contain valuable pieces of information and patterns when investigating malicious activity.
id
is the SHA-256 fingerprint of the TBS certificate with the poison
extension and SCT list extension removed (when present). It identifies a
unique certificate issuance and is used to pair precertificates and
certificates.Bearer
token in the Authorization
header.
WebSocket
Google Cloud Pub/Sub
pubsub.subscriber
role for the topic projects/dns0eu/topics/data.nic
.Amazon SNS
Azure Event Hubs
Apache Kafka
If-Modified-Since
) or make use of HEAD
requests to avoid
unnecessary bandwidth usage.