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by shingo imotasimota/agent-skills85 stars
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Designing red team attack scenarios, threat models, MITRE ATT&CK/OWASP application, Purple Team exercises, and AI/LLM red teaming. Use when adversarial security validation is needed.

Use this Skill: https://skilld.dev/gh/simota/agent-skills/breach

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referenceattack-playbooks.md

≈1.5k tokens on demand. Your agent reads this file only when SKILL.md points to it.

Attack Playbooks

Purpose: Structured attack playbooks for application, infrastructure, and supply chain domains. Read when: Designing attack scenarios for non-AI systems. Scope: Generic OWASP Top 10 (web/API/infrastructure). For AI/LLM attack frameworks (OWASP LLM Top 10, OWASP Agentic Top 10, MITRE ATLAS, NIST AI 100-2), see ai-red-teaming.md.


OWASP Top 10 (2021/2025) Attack Playbook

# Vulnerability Attack Technique Test Approach
A01 Broken Access Control IDOR, forced browsing, privilege escalation, JWT manipulation Enumerate resources with different auth levels; test horizontal/vertical access
A02 Cryptographic Failures Weak algorithms, missing encryption, key exposure Check TLS config, storage encryption, key management
A03 Injection SQLi, NoSQLi, Command injection, LDAP injection Parameterized input testing with payloads across all input vectors
A04 Insecure Design Business logic flaws, missing rate limits, abuse cases Threat model the design; test business logic edge cases
A05 Security Misconfiguration Default credentials, verbose errors, unnecessary features Configuration audit against CIS benchmarks
A06 Vulnerable Components Known CVEs in dependencies, outdated libraries Dependency scanning, version checking, exploit verification
A07 Auth Failures Credential stuffing, brute force, session fixation Test auth flows, session management, password policies
A08 Data Integrity Failures Insecure deserialization, unsigned updates, CI/CD compromise Test serialization, verify update integrity, audit pipeline
A09 Logging Failures Missing security logs, log injection, monitoring gaps Verify critical events are logged; test log integrity
A10 SSRF Internal service access, cloud metadata, port scanning Test URL inputs for internal resource access

OWASP API Security Top 10 Attack Playbook

# Risk Attack Technique
API1 Broken Object Level Authorization Manipulate object IDs to access other users' data
API2 Broken Authentication Token manipulation, credential stuffing, session abuse
API3 Broken Object Property Level Authorization Mass assignment, excessive data exposure
API4 Unrestricted Resource Consumption Rate limit bypass, resource exhaustion
API5 Broken Function Level Authorization Access admin endpoints as regular user
API6 Unrestricted Access to Sensitive Business Flows Automate business-critical operations (purchase, booking)
API7 Server Side Request Forgery Force API to make requests to internal resources
API8 Security Misconfiguration CORS misconfiguration, verbose errors, debug endpoints
API9 Improper Inventory Management Access undocumented/shadow APIs
API10 Unsafe Consumption of APIs Exploit trust in third-party API responses

Infrastructure Attack Patterns

MITRE ATT&CK — Key Techniques by Tactic

Tactic Priority Techniques Test Focus
Initial Access T1190 Exploit Public-Facing App, T1133 External Remote Services Exposed services, VPN, admin panels
Execution T1059 Command/Script Interpreter, T1203 Exploitation for Client Execution Shell access, script injection
Persistence T1078 Valid Accounts, T1053 Scheduled Tasks Credential reuse, backdoor placement
Privilege Escalation T1068 Exploitation, T1548 Abuse Elevation Control Kernel exploits, sudo misconfig
Defense Evasion T1070 Indicator Removal, T1027 Obfuscation Log tampering, encoded payloads
Credential Access T1110 Brute Force, T1003 OS Credential Dumping Password spraying, hash extraction
Lateral Movement T1021 Remote Services, T1080 Taint Shared Content SSH pivoting, shared drive abuse
Exfiltration T1041 Over C2 Channel, T1048 Over Alternative Protocol DNS tunneling, steganography

Cloud-Specific Attack Patterns

Target Attack Test
IAM Over-permissioned roles, role chaining Enumerate permissions, test escalation paths
Storage Public buckets, misconfigured ACLs Access testing without credentials
Metadata IMDS exploitation (169.254.169.254) SSRF to metadata service
Serverless Function injection, event poisoning Test event source manipulation
Containers Container escape, image tampering Privileged container testing, registry security

Supply Chain Attack Patterns

Vector Attack Test Approach
Dependencies Typosquatting, dependency confusion, malicious packages Verify package sources, test private registry isolation
Build Pipeline CI/CD injection, secret leakage, unsigned artifacts Audit pipeline config, test secret exposure
Source Code Commit signing bypass, branch protection circumvention Test branch protection rules, verify signing
Distribution Compromised update channels, unsigned releases Verify update integrity, test rollback

Purple Team Exercise Template

## Purple Team Exercise: [Exercise Name]

### Objective
[What security control or detection capability is being validated]

### Scenario
- **Threat Actor Profile:** [Nation-state / Criminal / Insider / Opportunistic]
- **ATT&CK Techniques:** [T-IDs]
- **Target:** [System/component]

### Red Team Actions
| Step | Action | ATT&CK ID | Expected Blue Detection |
|------|--------|-----------|------------------------|
| 1 | [Red action] | [T-ID] | [What blue should see] |
| 2 | [Red action] | [T-ID] | [What blue should see] |

### Blue Team Validation
| Detection Rule | Triggered? | Time to Detect | SIEM Query |
|---------------|-----------|----------------|------------|
| [Rule name] | Yes/No | [Duration] | [Query] |

### Results
- Detection rate: [X/Y actions detected]
- Mean time to detect: [Duration]
- Gaps identified: [List]

### Improvements
- [New detection rules to add]
- [SIEM queries to tune]
- [Playbook updates needed]

Source: SKILL.md on GitHub

No alerts13d4 checks · Risk SAFE
  • Gen Agent Trust Hub13d

    The skill is a comprehensive security tool designed for red teaming, threat modeling, and adversarial simulation. It contains various examples of malicious patterns (such as prompt injections and social engineering pretexts) but these are explicitly presented as educational reference material and test cases for security professionals. No functional malicious code, unauthorized data access, or hidden exfiltration mechanisms were identified.

  • Socket13d

    No alerts

  • Snyk13d

    Risk: LOW · No issues

  • ZeroLeaks5mo

    Score: 93/100 · 2 sections analyzed

Signed by skilld at 35ffd55. This ties the file your Agent reads to that commit on GitHub. It does not review the instructions.

Last checked against GitHub 2 days ago.

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