cis-bind-v100-1-5

DevOps & Security

Installing ISC BIND 9 (Automated)

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How to use this skill

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Prompt to paste

I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/CIS_benchmarks/Server_Software/Bind/CIS_ISC_BIND_DNS_Server_9.11_Benchmark_v1.0.0/cis-bind-v100-1-5/SKILL.md

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First, summarize what it does, its dependencies, license status if identifiable, and any risks. Show the exact files you propose to add under .agents/skills/cis-bind-v100-1-5/. Do not write files or run scripts until I approve.

After I approve, install the complete skill folder, including required referenced files, into that project location. Verify it is discoverable, then tell me its actual invocation name and how to use it. Do not claim it is installed until you have verified it.

Copying this prompt does not install or run the skill. Review third-party files before use. Codex skill guide

CIS 1.5 — Installing ISC BIND 9

Profile Applicability

Authoritative Name Server Level 1
Caching Only Name Server Level 1

Description

The ISC BIND Benchmark recommends using the binary packages provided by your platform vendor for most situations in order to reduce the effort and increase the effectiveness of maintenance and security patches. Red Hat Enterprise Linux 7 and 8 have been used for testing the benchmark.

Rationale

The benefits of using the vendor supplied binaries include:

Ease of installation.
It is customized for your OS environment.
It will be tested and have gone through QA procedures.
Additional software you may need is likely to be included, such as chroot setup and startup scripts.
Your vendor will tell you about security issues so you have to look in less places.
Updates to fix security issues will be easier to apply.

However, building from source is suitable for those that want full control of the build process, prefer to build from source, or do not have a suitable package available for their platform. Source download and build information is available on the ISC website knowledge base at the URL reference below.

Impact

Not specified.

Audit Procedure

Perform the following commands to check for an installed BIND rpm and to search the current path for the named executable, and to verify the version of bind.

# rpm -q bind
bind-9.11.-xx.xx.xx.xx

# which named
/sbin/named

# /sbin/named -v
BIND 9.11.4-xxxxx

Remediation

Installation depends on the operating system platform. The following commands were tested on RHEL7 and RHEL8. On RHEL8 the yum command redirects to the newer dfm command.

# yum install bind
. . .
# yum install bind-chroot
. . .

Default Value

Not specified.

References

CIS Controls

Controls Version	Control	IG 1	IG 2	IG 3
v6	2 Inventory of Authorized and Unauthorized Software	Y	Y	Y
v7	2.1 Maintain Inventory of Authorized Software	Y	Y	Y
v7	2.2 Ensure Software is Supported by Vendor	Y	Y	Y

MITRE ATT&CK Mappings

Tactic	Technique
Initial Access	T1190 Exploit Public-Facing Application
Persistence	T1133 External Remote Services

Profile

Level 1 - Authoritative Name Server
Level 1 - Caching Only Name Server