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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
Based on SOC occupation classification
Showing SKILL.md
| name | cis-ubuntu2004-v300-4-2-6 |
| description | Ensure ufw outbound connections are configured |
| category | cis-networking |
| version | 3.0.0 |
| author | cyberstrike-official |
| tags | ["cis","ubuntu","linux","ubuntu-20.04","firewall","ufw"] |
| cis_id | 4.2.6 |
| cis_benchmark | CIS Ubuntu Linux 20.04 LTS Benchmark v3.0.0 |
| tech_stack | ["ubuntu","linux"] |
| cwe_ids | [] |
| chains_with | [] |
| prerequisites | [] |
| severity_boost | {} |
Configure the firewall rules for new outbound connections.
Note:
If rules are not in place for new outbound connections all packets will be dropped by the default policy preventing network usage.
Run the following command and verify all rules for new outbound connections match site policy:
ufw status numbered
Output should show rules that match site policy for outbound connections.
Configure ufw in accordance with site policy. The following commands will implement a policy to allow all outbound connections on all interfaces:
ufw allow out on all
Not applicable.
v8 - 4.4 Implement and Manage a Firewall on Servers v8 - 4.5 Implement and Manage a Firewall on End-User Devices v7 - 9.4 Apply Host-based Firewalls or Port Filtering
MITRE ATT&CK Mappings: T1562, T1562.004 | TA0011 | M1031, M1037