Snort Subscriber Rules Update 2021-12-21

[Research <research () sourcefire com>]

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Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos is releasing updates to Snort SIDs: 58722-58744, 58751,
58784-58790, 58795, 58801, 58811-58814 to address
CVE-2021-44228/CVE-2021-45046/CVE-2021-45105, an RCE vulnerability in
the Apache Log4j API.

Talos has added and modified multiple rules in the file-executable,
file-pdf, indicator-compromise, policy-other and server-webapp rule
sets to provide coverage for emerging threats from these technologies.


For a complete list of new and modified rules please see:

https://www.snort.org/advisories
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