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brew

Install observerward with Homebrew

Web application and service fingerprint identification tool. Version 2026.6.28 via Homebrew; verified 2026-06-28.

Install commandSecurity notes

install

Additional install commands

macOS

Homebrewverified · 100%
brew install observerward

local Homebrew formula metadata

overview

Package summary

Web application and service fingerprint identification tool

Commands and aliases

  • observer_ward

history

Project history and usage

observer_ward is a Rust-based security reconnaissance tool for identifying web applications and services from fingerprint rules. The public README and Homebrew formula describe it as a web application and service fingerprint identification tool, while the FingerprintHub documentation describes the companion rule repository as community-oriented.

Project history

The project is closely tied to FingerprintHub, a YAML fingerprint repository for ObserverWard rules. FingerprintHub documents rule metadata, HTTP and TCP probes, matchers such as words, regular expressions and favicon hashes, extractors, and CPE-style metadata used to connect fingerprints with vulnerability knowledge.

Adoption history

Homebrew packages observer_ward as observerward and exposes the observer_ward executable. The upstream repository also publishes date-stamped releases, which makes the tool easy to consume as a binary CLI rather than only as a Rust source build.

How it is used

Operators use observer_ward by supplying targets and fingerprint data, then updating or loading fingerprint databases in the tool's configuration directory. The README documents update flags for web fingerprints, separate service fingerprint files, probe conversion from YAML directories to JSON, daemon/API operation, webhook output, MITM mode, and MCP stdio mode.

Why package nerds care

The package is notable less for a long public history and more for how it packages a security data workflow: the CLI, local config paths, downloadable fingerprint corpora, and community-maintained YAML rules all matter to reproducible installation.

Related projects

  • FingerprintHub is the main companion project. Its documentation states that the repository is the fingerprint library for observer_ward and that the old v3 fingerprints were archived separately.

security posture

Risk level: blue

broad file, network, media, or database tool signal.

Risk classifier

blue risk · medium confidence · tool

Why

  • broad file, network, media, or database tool signal

Signals

  • text:server

Install behavior

  • No Homebrew post-install hook is recorded in formula metadata.
  • Homebrew bottle metadata is available for 6 platform targets.
  • Build metadata lists 3 build dependencies.

Recommended review

Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.

executables

Installed executables

CommandKindExposureNote
observer_wardcliglobal executable

freshness

Version and freshness

These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.

page generated2026-07-08
manager version2026.6.28
manager updated2026-06-28
local dataok
upstreamcurrent
latest detectedv2026.6.28

https://github.com/emo-crab/observer_ward

  • okNo freshness warnings were generated.

install metadata

Package metadata

Package keybrew:observerward
Version2026.6.28
Package managerHomebrew
Package manager pagehttps://formulae.brew.sh/formula/observerward
Homepagehttps://blog.kali-team.cn/projects/observer_ward/
Repositoryhttps://github.com/emo-crab/observer_ward
Upstream docshttps://blog.kali-team.cn/projects/observer_ward
LicenseGPL-3.0-only
Source archivehttps://github.com/emo-crab/observer_ward/archive/refs/tags/v2026.6.28.tar.gz
Last updated2026-06-28T07:39:34Z
Pulseupdated
Build dependenciespkgconf, protobuf, rust
Bottleavailable (on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux)
Homebrew post-installnot defined
Servicenone declared

registry facts

Source database details

Source DatabaseHomebrew formula API
Taphomebrew/core
Full Nameobserverward
Aliases
  • observer_ward
Version Scheme0
Revision0
Bottle Stable Root URLhttps://ghcr.io/v2/homebrew/core
Deprecatedno
Disabledno
Keg Onlyno
URL Keys
  • stable

package graph

Links come from deterministic package relationships, av.db category and tag curation, ecosystem matches, and package hub membership.

Related tools

  • pkgconfBuild dependency declared by Homebrew.
  • protobufBuild dependency declared by Homebrew.
  • rustBuild dependency declared by Homebrew.

Same workflow

  • amassShares av.db curated category or tags: cli, reconnaissance, security.
  • bbotShares av.db curated category or tags: cli, reconnaissance, security.
  • cspreconShares av.db curated category or tags: cli, reconnaissance, security.
  • favireconShares av.db curated category or tags: cli, reconnaissance, security.
  • gauShares av.db curated category or tags: cli, reconnaissance, security.
  • recon-ngShares av.db curated category or tags: cli, reconnaissance, security.

source trail

Generated from repository data

This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.

Used sources

  • Geiger risk classifier
  • Nucleus package database
  • av.db category and tag curation
  • cross-ecosystem install command graph
  • curated package history
  • package relationship graph
  • package version freshness
  • package-page enrichment