f6e2d3c0ca
- EIF: Extended Isolation Forest via isotree (fallback to sklearn IF) - Benford's Law deviation feature on inter-request timing - Lag-1 autocorrelation feature for cadence analysis - Validation gate: reject model if val_anomaly_rate > 20% - Feature pruning: remove variance < 1e-6 features before training - Quantile drift: replace N(μ,σ) synthetic with quantile interpolation - Thread safety: Lock for _service_healthy/_consecutive_failures - Score normalization: inverted to [0,1] where 1=most anomalous SQL: add lag1_autocorrelation + benford_deviation to view_thesis_features_1h Tests: 10 new test functions covering all improvements Integration: verify_mvs.py checks new thesis feature columns Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
ClickHouse Migrations — ja4-platform
Migration Order
Apply these files in numeric order against the ClickHouse server:
clickhouse-client --multiquery < 00_database.sql
clickhouse-client --multiquery < 01_raw_tables.sql
clickhouse-client --multiquery < 02_dictionaries.sql
clickhouse-client --multiquery < 03_anubis_tables.sql
clickhouse-client --multiquery < 04_mv_http_logs.sql
clickhouse-client --multiquery < 05_aggregation_tables.sql
clickhouse-client --multiquery < 06_ml_tables.sql
clickhouse-client --multiquery < 07_ai_features_view.sql
clickhouse-client --multiquery < 08_users.sql
clickhouse-client --multiquery < 09_audit_table.sql
File Descriptions
| File | Contents |
|---|---|
00_database.sql |
CREATE DATABASE |
01_raw_tables.sql |
http_logs_raw ingest table |
02_dictionaries.sql |
ASN geo dict, bot IP/JA4/network reference tables |
03_anubis_tables.sql |
Anubis crawler rule tables and dictionaries (UA, IP, ASN, country) |
04_mv_http_logs.sql |
Canonical http_logs target table + mv_http_logs materialized view with full Anubis enrichment |
05_aggregation_tables.sql |
agg_host_ip_ja4_1h, agg_header_fingerprint_1h + their MVs |
06_ml_tables.sql |
ml_detected_anomalies, ml_all_scores |
07_ai_features_view.sql |
view_ai_features_1h with Anubis enrichment |
08_users.sql |
ClickHouse users and grants |
09_audit_table.sql |
audit_logs table for SOC dashboard audit trail |
Prerequisites
Place CSV data files in /var/lib/clickhouse/user_files/:
iplocate-ip-to-asn.csv— IP-to-ASN mapping (from IPLocate)bot_ip.csv— Known bot IP prefixesbot_ja4.csv— Known bot JA4 fingerprintsasn_reputation.csv— ASN reputation labels
Notes
04_mv_http_logs.sqlis the canonical version of the MV, superseding the base version inservices/correlator/sql/init.sql. It includes full Anubis enrichment.- All migrations are idempotent (use
IF NOT EXISTS/IF EXISTS). - Anubis dictionary passwords in
03_anubis_tables.sqlmust be changed before production use.