Packages

unknown-mime-type-discovery

By sethhall

A Bro package for finding new file signatures.

venom

By dopheide

Attempts to detect an attacker calling to the VENOM Linux Rootkit https://security.web.cern.ch/security/venom.shtml

vnc-scanner

By initconf

Simple policy to detect VNC (RFB) scanners based on src->dst connection counts

zeek-af_packet-plugin

By j-gras

This plugin provides native AF_Packet support for Zeek.

zeek-community-id

By corelight

"Community ID" flow hash support in conn.log

zeek-cryptomining

By jsiwek

Detects Bitcoin, Litecoin, or other cryptocurrency mining traffic that uses getwork, getblocktemplate, or Stratum mining protocols over TCP or HTTP. This package used to be named "bro_bitcoin".

zeek-elf

By corelight

This package provides some basic analysis for ELF files.

zeek-EternalSafety

By lexibrent

EternalSafety is a Zeek/Bro package for detecting potentially-dangerous SMBv1 protocol violations that encapsulate bugs exploited by the infamous Eternal* family of Windows exploits. It is capable of detecting EternalBlue, EternalSynergy/EternalRomance, EternalChampion, and the DoublePulsar backdoor. However, rather than identifying these exploits via simple signature-matching, *EternalSafety* instead implements a set of SMBv1 protocol invariants that encapsulate techniques used by each Eternal* exploit to trigger bugs in unpatched Windows systems. EternalSafety accurately and reliably identifies the EternalBlue, EternalSynergy and EternalRomance exploits, and the DoublePulsar backdoor implant. Due to limitations in Zeek's SMBv1 support, it has limited support for detecting EternalChampion via signature-matching. EternalSafety also identifies a range of other protocol violations, such as the use of unimplemented/unused SMBv1 commands, server-initiated changes in values that may only be set by an SMBv1 client, and incorrect interleaving of transaction types.

zeek-exporter

By esnet

Prometheus exporter for Zeek performance data

zeek-httpattacks

By precurse

Checks for HTTP anomalies typically used for attacking.

zeek-jemalloc-profiling

By justinazoff

A broctl plugin that enables jemalloc profiling

zeek-jpeg

By corelight

This package provides some basic analysis for JPEG files.

zeek-known-hosts-with-dns

By dopheide

This script expands the base known-hosts policy to include reverse DNS queries and syncs it across all workers.

zeek-known-outbound

By dopheide

This script provides the ability to monitor and throw notices for outbound connections to a list of watched countries. It also adds orig and resp country codes to conn.log. It depends on having libmaxmind configured for GeoIP lookups.

zeek-macho

By corelight

This package provides some basic analysis for Mach-o files.

zeek-new-domains

By rvictory

Monitors for new domains being queried for and raises a notice for them

zeek-notice-config

By dopheide

This script enables easy customation of how notice actions are handled. It's built to work with eZeekConfigurator, but that isn't required.

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