![]() ![]() Splunk SOAR customers can find a SOAR workbook that walks an analyst through the process of running these hunting searches in the references list of this detection. You can also remove the "ssl=false" argument from the initial stanza in order to get a full list of all your forwarders that are sending data, and the version of Splunk software they are running, for audit purposes. ![]() It then presents the source IP, the type of forwarder, and the version of the forwarder. This anomaly search looks for forwarder connections that are not currently using TLS. List of fields required to use this analytic. It allows the user to filter out any results (false positives) without editing the SPL. Splunk_digital_certificates_lack_of_encryption_filter is a empty macro by default. | `splunk_digital_certificates_lack_of_encryption_filter` | stats values(sourceIp) latest(fwdType) latest(version) by hostname `splunkd` group="tcpin_connections" ssl="false" Product: Splunk Enterprise, Splunk Enterprise Security, Splunk Cloud This search looks for forwarders that are not using TLS and adds risk to those entities. This is a great opportunity to configure TLS across the environment. The fixes for these require upgrading to at least Splunk 9.0 on the forwarder as well. In other circumstances, a client may be allowed to publish a forwarder bundle to other clients, which may allow for arbitrary code execution. In some circumstances, an unauthenticated client can download forwarder bundles from the Deployment Server. On June 14th, 2022, Splunk released a security advisory relating to the authentication that happens between Universal Forwarders and Deployment Servers. Splunk Digital Certificates Lack of Encryption ![]()
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