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npx skills add https://github.com/CyberStrikeus/CyberStrike --skill cis-ubuntu2004-v300-5-4-2-3La commande reste sur une seule ligne. Faites défiler horizontalement pour la vérifier avant de la copier.
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Affichage de SKILL.md
macOS post-exploitation for credential harvesting, DTrace monitoring, TCC bypass, and stealth operations via native tools
Windows userland post-exploitation for credential harvesting, monitoring, AMSI/ETW bypass, and stealth operations
Kubernetes post-exploitation for container escape, secret extraction, RBAC abuse, and cluster persistence
Basé sur la classification professionnelle SOC
| name | cis-ubuntu2004-v300-5-4-2-3 |
| description | Ensure group root is the only GID 0 group |
| category | cis-iam |
| version | 3.0.0 |
| author | cyberstrike-official |
| tags | ["cis","ubuntu","linux","ubuntu-20.04","users","authentication"] |
| cis_id | 5.4.2.3 |
| cis_benchmark | CIS Ubuntu Linux 20.04 LTS Benchmark v3.0.0 |
| tech_stack | ["ubuntu","linux"] |
| cwe_ids | [] |
| chains_with | [] |
| prerequisites | [] |
| severity_boost | {} |
The groupmod command can be used to specify which group the root group belongs to. This affects permissions of files that are group owned by the root group.
Using GID 0 for the root group helps prevent root group owned files from accidentally becoming accessible to non-privileged users.
Run the following command to verify no group other than root is assigned GID 0:
# awk -F: '$3=="0"{print $1":"$3}' /etc/group
root:0
Run the following command to set the root group's GID to 0:
# groupmod -g 0 root
Remove any groups other than the root group with GID 0 or assign them a new GID if appropriate.
None specified.
v8 - 3.3 Configure Data Access Control Lists: Configure data access control lists based on a user's need to know. Apply data access control lists, also known as access permissions, to local and remote file systems, databases, and applications. (IG 1, IG 2, IG 3)
v7 - 14.6 Protect Information through Access Control Lists: Protect all information stored on systems with file system, network share, claims, application, or database specific access control lists. These controls will enforce the principle that only authorized individuals should have access to the information based on their need to access the information as a part of their responsibilities. (IG 1, IG 2, IG 3)
MITRE ATT&CK Mappings: T1548, T1548.000 - Tactics: TA0005 - Mitigations: M1026