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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
Basado en la clasificación ocupacional SOC
Mostrando SKILL.md
| name | cis-ubuntu1204-v110-7-2-4 |
| description | Log Suspicious Packets |
| category | cis-os-hardening |
| version | 1.1.0 |
| author | cyberstrike-official |
| tags | ["cis","ubuntu",12.04,"linux","networking","logging","martians","sysctl","host-router"] |
| cis_id | 7.2.4 |
| cis_benchmark | CIS Ubuntu 12.04 LTS Server Benchmark v1.1.0 |
| tech_stack | ["ubuntu","linux"] |
| cwe_ids | [] |
| chains_with | [] |
| prerequisites | [] |
| severity_boost | {} |
When enabled, this feature logs packets with un-routable source addresses to the kernel log.
Enabling this feature and logging these packets allows an administrator to investigate the possibility that an attacker is sending spoofed packets to their server.
Perform the following to determine if suspicious packets are logged.
/sbin/sysctl net.ipv4.conf.all.log_martians
/sbin/sysctl net.ipv4.conf.default.log_martians
net.ipv4.conf.all.log_martians = 1
net.ipv4.conf.default.log_martians = 1
Set the net.ipv4.conf.all.log_martians and net.ipv4.conf.default.log_martians parameters to 1 in /etc/sysctl.conf:
net.ipv4.conf.all.log_martians=1
net.ipv4.conf.default.log_martians=1
Modify active kernel parameters to match:
/sbin/sysctl -w net.ipv4.conf.all.log_martians=1
/sbin/sysctl -w net.ipv4.conf.default.log_martians=1
/sbin/sysctl -w net.ipv4.route.flush=1
Logging of suspicious packets is disabled by default.
Level 1 - Scored