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Standardmäßig ist der Prompt ausgewählt, der zuerst die Quelle prüft. Sie können zu einem direkten Befehl wechseln oder eine lokale Kopie herunterladen.
Lesen Sie SKILL.md und alle von SkillsMP angezeigten Begleitdateien, bevor Sie sich für eine Installation entscheiden.
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npx skills add https://github.com/CyberStrikeus/CyberStrike --skill cis-ubuntu1604-v200-2-3Der Befehl bleibt in einer Zeile. Scrollen Sie horizontal, um ihn vor dem Kopieren vollständig zu prüfen.
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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
Basierend auf der SOC-Berufsklassifikation
SKILL.md wird angezeigt
| name | cis-ubuntu1604-v200-2-3 |
| description | Ensure nonessential services are removed or masked |
| category | cis-networking |
| version | 2.0.0 |
| author | cyberstrike-official |
| tags | ["cis","ubuntu","linux","ubuntu-16.04","services"] |
| cis_id | 2.3 |
| cis_benchmark | CIS Ubuntu Linux 16.04 LTS Benchmark v2.0.0 |
| tech_stack | ["ubuntu","linux"] |
| cwe_ids | [] |
| chains_with | [] |
| prerequisites | [] |
| severity_boost | {} |
A network port is identified by its number, the associated IP address, and the type of the communication protocol such as TCP or UDP.
A listening port is a network port on which an application or process listens on, acting as a communication endpoint.
Each listening port can be open or closed (filtered) using a firewall. In general terms, an open port is a network port that accepts incoming packets from remote locations.
Services listening on the system pose a potential risk as an attack vector. These services should be reviewed, and if not required, the service should be stopped, and the package containing the service should be removed. If required packages have a dependency, the service should be stopped and masked to reduce the attack surface of the system.
Run the following command:
lsof -i -P -n | grep -v "(ESTABLISHED)"
Review the output to ensure that all services listed are required on the system. If a listed service is not required, remove the package containing the service. If the package containing a non-essential service is required, stop and mask the non-essential service.
Only required services should be listed in the output. No unnecessary listening services should be present.
Run the following command to remove the package containing the service:
apt purge <package_name>
OR If required packages have a dependency:
Run the following command to stop and mask the service:
systemctl --now mask <service_name>
Varies by installation type and packages installed.