Individual skill

analyzing-command-and-control-communication

Analyzes malware command-and-control (C2) communication protocols to understand beacon patterns, command structures, data encoding, and infrastructure. Covers HTTP, HTTPS, DNS, and custom protocol C2 analysis for detection development and threat intelligence. Activates for requests involving C2 analysis, beacon detection, C2 protocol reverse engineering, or command-and-control infrastructure mapping.

internal/tools/skills/data/malware-analysis/analyzing-command-and-control-communication/SKILL.md

Read pinned source

Source commit d42f381ad34843e71a42658e5c57290c713e85af

What was checked

Matches the observed repository HEAD
Yes
Scanner rules are current
No
Repository scan complete
No
Skill scan complete
No
Observed behavior
Not checked yet
Last checked
Nov 7, 2026

These are observations at the recorded commit, not a guarantee of safety. Review the source before running it.

Install this skill

Choose an agent in your Stack or copy a command below. Commands fetch the pinned commit and copy only this skill directory. Existing destinations are refused. Copying a command does not install anything.

An install command is unavailable: current rules, complete repository and skill scans, an eligible behavior level and a permitted license are required.

Repository context

Repository stars (not skill ratings)
1,313
Repository last updated
Nov 7, 2026
License
Apache-2.0

Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.

Files and excerpt

File metadata and permitted, redacted excerpts come from the recorded scan. Source links are pinned to that commit.

Browse files
Read excerpt

# Analyzing Command-and-Control Communication

## When to Use

- Reverse engineering a malware sample has revealed network communication that needs protocol analysis
- Building network-level detection signatures for a specific C2 framework (Cobalt Strike, Metasploit, Sliver)
- Mapping C2 infrastructure including primary servers, fallback domains, and dead drops
- Analyzing encrypted or encoded C2 traffic to understand the command set and data format
- Attributing malware to a threat actor based on C2 infrastructure patterns and tooling

**Do not use** for general network anomaly detection; this is specifically for understanding known or suspected C2 protocols from malware analysis.

## Detection Gaps & Validation