rita

RITA Real Intelligence Threat Analytics If you get value out of RITA and would like to go a step further with hunting automation, futuristic visualizations, and data enrichment, then take a look at AC-Hunter. Brought to you by Active Countermeasures. Sponsored by BHIS. RITA is an open source...

Malcolm

Malcolm Malcolm is a powerful network traffic analysis tool suite designed with the following goals in mind: Easy to use – Malcolm accepts network traffic data in the form of full packet capture PCAP files, Zeek logs, and Suricata alerts. These artifacts can be uploaded via a simple browser-based...

zeek

The Zeek Network Security Monitor A powerful framework for network traffic analysis and security monitoring. Key Features — Documentation — Getting Started — Development — License Key Features In-depth Analysis Zeek ships with analyzers for many protocols, enabling high-level semantic analysis at...

zeek-plugin-roca

Johanna::ROCA This plugin implements detection of CVE-2017-15361 keys; it is a reimplementation of the source available at https://github.com/crocs-muni/roca. This plugin provides two new BIFs that can check public keys: rocavulnerablecert checks if a certificate is vulnerable rocavulnerablemod...

cve-2020-0601-plugin

Zeek test script for CVE-2020-0601 This script can detect exploit attempts for CVE-2020-0601. It performs a check to see if a known curve is used in a certificate - if this is not the case a notice is raised. Example notice in notice.log: 1579043477.791522 CHhAvVGS1DHFjwGM9 192.241.209.49 46110...

cve-2020-13777

Zeek test script for CVE-2020-13777 This script performs a simple test to check if a server is potentially vulnerable to CVE-2020-13777. CVE-2020-13777 causes GnuTLS to create unencrypted session tickets. This seems to be detectable by checking gnutls sets the keyname to zero - for which it uses...

cve-2020-0601

Zeek test script for CVE-2020-0601 This script can detect exploit attempts for CVE-2020-0601. It performs a simple check to see if a known curve is used in a certificate - if this is not the case a notice is raised. Example notice in notice.log: 1579043477.791522 CHhAvVGS1DHFjwGM9 192.241.209.49...

beacon-hunter

Beacon Hunter Detecting Non-Periodic Structured C2 via Additive Recurrence Beacon Hunter detects command-and-control beaconing that uses phi-compatible additive recurrence scheduling — a growing, non-periodic timing pattern where each inter-connection interval approximately equals the sum of the...

CVE-2022-24491

CVE-2022-24491 A Zeek detector for CVE-2022-24491: https://vulners.com/cve/CVE-2022-24491 This detector will generate a notice if it sees a portmap set and dump, an action performed when exploiting CVE-2022-24491. Example: separator \x09 setseparator , emptyfield empty unsetfield - path notice op...

zerologon

Zerologon Summary A Zeek detection package for CVE-2020-1472, also known as Zerologon, which is a CVSS 10.0 privilege escalation vulnerability against the Netlogon protocol for Windows Server domain controllers. Notices By default, both notices are raised: ZerologonAttempt indicates the requisite...

Zeek-Intelligence-Feeds

Zeek Intel Threat Feed w/ Combined Indicators This is a public feed based on Public Threat Feeds and CRITICAL PATH SECURITY gathered data. This feed will be updated as often as possible. Getting Started These instructions will get you a copy of the project up and running. Dependencies ZEEK 3.0 or...

zeek-openvpn

zeek::openvpn THIS IS DEPRECATED IN FAVOR OF https://github.com/corelight/zeek-spicy-openvpn A plugin to detect and parse OpenVPN in the following modes: UDP w/ TLS UDP w/ TLS & TLS Auth TCP w/ TLS TCP w/ TLS & TLS Auth So far this will not detect shared key mode for UDP or TCP. If this protocol...

Dashboards-Splunk-DNS-Hunting-Beaconing

DNS Hunting-Beaconing v19.2.0.0 DNS Dashboard for hunting and identifying beaconing This dashboard no longer uses any third-party modules or a Splunk lookup table to identify "Trusted Domains". All of that work has been moved to the Corelight/Zeek sensor. However, the dashboard does use two Splun...

zeek-netsupport-detector

NetSupport Background https://unit42.paloaltonetworks.com/cortex-xdr-detects-netsupport-manager-rat-campaign/ Testing PCAP: https://app.any.run/tasks/b5d9853f-0dca-45ef-9532-83feeedcbf42 Example: $ zeek -Cr b5d9853f-0dca-45ef-9532-83feeedcbf42.pcap $ cat notice.log separator \x09 setseparator ,...

zeek-cheatsheets

Zeek Cheatsheets These are the Zeek cheatsheets that Corelight hands out as laminated glossy sheets. We have given them a license which permits you to make modifications and to distribute copies of these sheets. The only restrictions are that they can't be used commercially and attribution back t...

Malcolm

Malcolm Malcolm is a powerful network traffic analysis tool suite designed with the following goals in mind: Easy to use – Malcolm accepts network traffic data in the form of full packet capture PCAP files, Zeek logs, and Suricata alerts. These artifacts can be uploaded via a simple browser-based...

CVE-2021-31166

CVE-2021-31166 Detection of attempts to exploit CVE-2021-31166 HTTP Protocol Stack vulnerability Suricata rule Zeek Package References https://corelight.blog/2021/05/27/detecting-cve-2021-31166-http-vulnerability/ https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31166...

ecs-mapping

Corelight ECS Ingest Pipeline The repository is compromised of Ingest Pipeline files required to be used with the installer script in the repository https://github.com/corelight/ecs-templates The installer in that repository will download the files from this repository therefore using this...

zeek-spicy-stun

STUN Session Traversal Utilities for NAT STUN This is a Zeek protocol analyzer that detects STUN based on Spicy. You must install Spicy to use this package. This package will create two logs: stun.log - This log has every STUN message. stunnat.log - This log has NAT detections from mapped...

zeek-spicy-ipsec

IPSec This is a Zeek protocol analyzer that detects IPSec VPN based on Spicy. You must install Spicy to use this package. A blog detailing the development of this analyzer: https://zeek.org/2021/04/20/zeeks-ipsec-protocol-analyzer/ RFCs: https://tools.ietf.org/html/rfc2406 ESP...