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Purple Teaming is often defined as the collaborative effort between Red (Offense) and Blue (Defense) teams to improve detection, response, and overall resilience. However, it’s more than just a buzzword—it requires:
✅ Strategic planning
✅ Cross-team communication skills
✅ Deep understanding of tools (EDR, SIEM, BAS)
✅ Measurable outcomes driving real change
Many organizations pile Purple Teaming expectations onto already overwhelmed Red & Blue teams without dedicated resources. Is your org handling it as:
🔹 A full-time function?
🔹 Periodic workshops?
🔹 Just an idea with no process?
You Should Know: Practical Purple Teaming Implementation
1. Setting Up a Purple Team Lab
Use Linux-based tools for attack simulation and detection testing:
Install Caldera (MITRE ATT&CK Framework) git clone https://github.com/mitre/caldera.git --branch master cd caldera pip3 install -r requirements.txt python3 server.py --insecure
2. Simulating Attacks (Red Team Perspective)
Run Atomic Red Team tests to simulate adversary techniques:
Install & run Atomic Red Team git clone https://github.com/redcanaryco/atomic-red-team.git cd atomic-red-team ./install.sh atomic-red-team execute --technique T1059.003 Example: Command-Line Scripting
3. Enhancing Detection (Blue Team Perspective)
Use Sigma rules for SIEM detection:
Convert Sigma rules to SIEM queries git clone https://github.com/SigmaHQ/sigma sigma/tools/sigmac -t splunk -c tools/config/splunk-windows.yml rules/windows/process_creation/win_apt_equation_group.yml
4. Automating Collaboration
Leverage Slack/Discord webhooks for real-time alerts between teams:
Send detection alerts via curl
curl -X POST -H 'Content-type: application/json' --data '{"text":"[PURPLE ALERT] T1059.003 Detected"}' https://hooks.slack.com/services/YOUR_WEBHOOK
5. Measuring Effectiveness
Track MITRE ATT&CK coverage with tools like Attack Navigator:
Generate coverage reports python3 attack-navigator.py --input detection_rules.json --output coverage_matrix.html
What Undercode Say
Purple Teaming is not just “Red + Blue”—it’s a structured, outcome-driven discipline. Organizations must:
✔ Dedicate personnel (not overload existing teams)
✔ Use automation (Caldera, Atomic Red Team, Sigma)
✔ Measure success (ATT&CK coverage, detection rates)
✔ Foster communication (cross-team alerts, debriefs)
Without these, Purple Teaming remains a slide-deck buzzword.
Expected Output:
- A lab environment running Caldera & Atomic Red Team
- SIEM detections via Sigma rules
- Automated alerts between Red & Blue teams
- ATT&CK coverage reports for continuous improvement
Further Learning:
🔗 MAD20 Purple Teaming Course
🔗 MITRE Caldera
🔗 Atomic Red Team
🔗 Sigma Detection Rules
References:
Reported By: Inode Edr – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
