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mukul975
8cae0648ec
Demand-driven expansion targeting the fastest-growing 2025-2026 threat and
skills categories (ISC2/WEF/CrowdStrike/Mandiant signals):
- AI Security (NEW domain, 12 skills): LLM red-teaming with garak/PyRIT,
prompt injection (direct/indirect/RAG), MCP tool-poisoning, agentic tool
invocation, guardrails, model/data poisoning, system-prompt leakage,
embedding/vector weaknesses, model extraction, continuous red-teaming
- Supply Chain Security (NEW domain, 5 skills): SBOMs, dependency confusion,
malicious-npm triage, typosquatting, SLSA/Sigstore provenance
- Hardware & Firmware Security (NEW domain, 4 skills): CHIPSEC/UEFI audit,
Secure Boot bypass, TPM measured-boot attestation, ESP bootkit hunting
- Identity (10): Entra ID/ROADtools, GraphRunner, AADInternals, ADCS/Certipy,
shadow credentials, coercion, BloodHound CE, device-code phishing, SSO abuse
- Cloud-native (8): Stratus, Pacu, CloudFox, container escape, K8s RBAC,
Falco, Trivy, kube-bench
- Offensive C2 (6): Sliver, Havoc, NetExec, DPAPI, NTLM relay ESC8, redirectors
- DFIR (6): Hayabusa, Chainsaw, KAPE, Velociraptor, EZ Tools, Plaso
- Backfill (4): OpenCTI, MISP, honeytokens, post-quantum crypto migration
Each skill follows the repo taxonomy (SKILL.md + references/{standards,api-reference}.md
+ scripts/agent.py + LICENSE), with researched real tool commands (no placeholders),
complete frontmatter, and ATT&CK/ATLAS + NIST CSF mappings. Updates README domain
table, skill count, and index.json.
73 lines
2.6 KiB
Markdown
73 lines
2.6 KiB
Markdown
# Falco — Rule Schema & CLI Reference
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## Rule Object Fields
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| Field | Required | Purpose |
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|-------|----------|---------|
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| `rule` | yes | Unique rule name |
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| `desc` | yes | Human description |
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| `condition` | yes | Falco filter expression that triggers the rule |
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| `output` | yes | Alert message (supports `%field` interpolation) |
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| `priority` | yes | EMERGENCY, ALERT, CRITICAL, ERROR, WARNING, NOTICE, INFO, DEBUG |
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| `tags` | no | Categorization (e.g. MITRE IDs) |
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| `enabled` | no | Toggle a rule (true/false) |
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| `source` | no | Event source (syscall, k8s_audit) |
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## Macro and List Objects
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| Object | Keys | Purpose |
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|--------|------|---------|
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| `macro` | `condition` | Reusable condition fragment |
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| `list` | `items` | Named value set used with `in (...)` |
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## Key CLI Commands
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| Command | Purpose |
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|---------|---------|
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| `falco --validate <file>` | Validate rule syntax without running |
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| `falco -r <file>` | Run with a specific rules file |
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| `falco -L` | List loaded rules |
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| `falco -l <rule>` | Describe a single rule |
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| `falco --list` | List supported fields |
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| `falcoctl driver config --type modern_ebpf` | Set driver type |
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| `falcoctl artifact install <name>` | Install a rules/plugin artifact |
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| `falcoctl artifact list` | List available artifacts |
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## Driver Types
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| Driver | `driver.kind` | Notes |
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|--------|---------------|-------|
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| Modern eBPF | `modern_ebpf` | Default; built into binary; kernel >= 5.8 |
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| Legacy eBPF | `ebpf` | CO-RE eBPF probe |
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| Kernel module | `kmod` | Loadable kernel module |
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| Auto | `auto` | falcoctl picks best available |
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## Important Filter Fields
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| Field | Description |
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|-------|-------------|
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| `evt.type` | Syscall name |
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| `evt.dir` | `>` enter, `<` exit |
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| `evt.is_open_read` / `evt.is_open_write` | open() intent |
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| `proc.name` / `proc.cmdline` / `proc.pname` | Process / cmdline / parent |
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| `container.id` / `container.name` / `container.image.repository` | Container identity |
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| `container.privileged` | Privileged flag |
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| `fd.name` / `fd.type` / `fd.num` | FD path / type / number |
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| `user.name` / `user.uid` | Acting user |
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| `k8s.pod.name` / `k8s.ns.name` | Kubernetes context |
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## Configuration (falco.yaml)
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| Key | Purpose |
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|-----|---------|
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| `rules_files` | List of rule files / dirs to load |
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| `json_output` | Emit JSON for SIEM ingest |
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| `priority` | Minimum priority to log |
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| `outputs` / `http_output` / `program_output` | Alert sinks |
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## External References
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- Supported fields: https://falco.org/docs/reference/rules/supported-fields/
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- Rule examples: https://falco.org/docs/reference/rules/examples/
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- Configuration: https://falco.org/docs/reference/daemon/config-options/
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