anti
3dc5b509f6
Add passive TLS fingerprinting via a sniffer container on the MACVLAN interface, plus the Attacker table and periodic rebuild worker that correlates per-IP profiles from Log + Bounty + CorrelationEngine. - templates/sniffer/: Scapy sniffer with pure-Python TLS parser; emits tls_client_hello / tls_session RFC 5424 lines with ja3, ja3s, sni, alpn, raw_ciphers, raw_extensions; GREASE filtered per RFC 8701 - decnet/services/sniffer.py: service plugin (no ports, NET_RAW/NET_ADMIN) - decnet/web/db/models.py: Attacker SQLModel table + AttackersResponse - decnet/web/db/repository.py: 5 new abstract methods - decnet/web/db/sqlite/repository.py: implement all 5 (upsert, pagination, sort by recent/active/traversals, bounty grouping) - decnet/web/attacker_worker.py: 30s periodic rebuild via CorrelationEngine; extracts commands from log fields, merges fingerprint bounties - decnet/web/api.py: wire attacker_profile_worker into lifespan - decnet/web/ingester.py: extract JA3 bounty (fingerprint_type=ja3) - development/DEVELOPMENT.md: full attacker intelligence collection roadmap - pyproject.toml: scapy>=2.6.1 added to dev deps - tests: test_sniffer_ja3.py (40+ vectors), test_attacker_worker.py, test_base_repo.py / test_web_api.py updated for new surface
41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
from pathlib import Path
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from decnet.services.base import BaseService
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TEMPLATES_DIR = Path(__file__).parent.parent.parent / "templates" / "sniffer"
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class SnifferService(BaseService):
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"""
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Passive network sniffer deployed alongside deckies on the MACVLAN.
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Captures TLS handshakes in promiscuous mode and extracts JA3/JA3S hashes
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plus connection metadata. Requires NET_RAW + NET_ADMIN capabilities.
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No inbound ports — purely passive.
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"""
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name = "sniffer"
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ports: list[int] = []
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default_image = "build"
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def compose_fragment(
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self,
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decky_name: str,
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log_target: str | None = None,
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service_cfg: dict | None = None,
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) -> dict:
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fragment: dict = {
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"build": {"context": str(TEMPLATES_DIR)},
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"container_name": f"{decky_name}-sniffer",
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"restart": "unless-stopped",
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"cap_add": ["NET_RAW", "NET_ADMIN"],
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"environment": {
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"NODE_NAME": decky_name,
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},
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}
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if log_target:
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fragment["environment"]["LOG_TARGET"] = log_target
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return fragment
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def dockerfile_context(self) -> Path | None:
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return TEMPLATES_DIR
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