-- ============================================================================ -- SCRIPT DE DÉPLOIEMENT DES VUES DE DÉTECTION (CLICKHOUSE) - MABASE_PROD -- ============================================================================ DROP TABLE IF EXISTS mabase_prod.ml_detected_anomalies; DROP VIEW IF EXISTS mabase_prod.view_ai_features_1h; DROP VIEW IF EXISTS mabase_prod.view_host_ip_ja4_rotation; DROP VIEW IF EXISTS mabase_prod.view_host_ja4_anomalies; DROP VIEW IF EXISTS mabase_prod.view_form_bruteforce_detected; DROP VIEW IF EXISTS mabase_prod.view_alpn_mismatch_detected; DROP VIEW IF EXISTS mabase_prod.view_tcp_spoofing_detected; DROP VIEW IF EXISTS mabase_prod.mv_agg_host_ip_ja4_1h; DROP TABLE IF EXISTS mabase_prod.agg_host_ip_ja4_1h; DROP VIEW IF EXISTS mabase_prod.mv_agg_header_fingerprint_1h; DROP TABLE IF EXISTS mabase_prod.agg_header_fingerprint_1h; -- ---------------------------------------------------------------------------- -- 1. TABLES D'AGRÉGATION ET VUES MATÉRIALISÉES -- ---------------------------------------------------------------------------- CREATE TABLE mabase_prod.agg_host_ip_ja4_1h ( window_start DateTime, src_ip String, ja4 String, host String, first_seen SimpleAggregateFunction(min, DateTime), last_seen SimpleAggregateFunction(max, DateTime), hits SimpleAggregateFunction(sum, UInt64), count_post SimpleAggregateFunction(sum, UInt64), uniq_paths AggregateFunction(uniq, String), uniq_query_params AggregateFunction(uniq, String), src_country_code SimpleAggregateFunction(any, String), tcp_fingerprint SimpleAggregateFunction(any, String), tcp_jitter_variance AggregateFunction(varPop, Float64), tcp_window_size SimpleAggregateFunction(any, UInt32), tcp_window_scale SimpleAggregateFunction(any, UInt32), tcp_mss SimpleAggregateFunction(any, UInt32), tcp_ttl SimpleAggregateFunction(any, UInt32), http_version SimpleAggregateFunction(any, String), tls_alpn SimpleAggregateFunction(any, String), tls_sni SimpleAggregateFunction(any, String), first_ua SimpleAggregateFunction(any, String), correlated SimpleAggregateFunction(max, UInt8), unique_src_ports AggregateFunction(uniq, UInt16), max_keepalives SimpleAggregateFunction(max, UInt32), orphan_count SimpleAggregateFunction(sum, UInt64) ) ENGINE = AggregatingMergeTree() ORDER BY (window_start, src_ip, ja4, host) TTL window_start + INTERVAL 7 DAY; CREATE MATERIALIZED VIEW mabase_prod.mv_agg_host_ip_ja4_1h TO mabase_prod.agg_host_ip_ja4_1h AS SELECT toStartOfHour(src.time) AS window_start, src.src_ip, src.ja4, src.host, min(src.time) AS first_seen, max(src.time) AS last_seen, count() AS hits, sum(IF(src.method = 'POST', 1, 0)) AS count_post, uniqState(src.path) AS uniq_paths, uniqState(src.query) AS uniq_query_params, any(src.src_country_code) AS src_country_code, any(toString(cityHash64(concat(toString(src.tcp_meta_window_size), toString(src.tcp_meta_mss), toString(src.tcp_meta_window_scale), src.tcp_meta_options)))) AS tcp_fingerprint, varPopState(toFloat64(src.syn_to_clienthello_ms)) AS tcp_jitter_variance, any(src.tcp_meta_window_size) AS tcp_window_size, any(src.tcp_meta_window_scale) AS tcp_window_scale, any(src.tcp_meta_mss) AS tcp_mss, any(src.ip_meta_ttl) AS tcp_ttl, any(src.http_version) AS http_version, any(src.tls_alpn) AS tls_alpn, any(src.tls_sni) AS tls_sni, any(src.header_user_agent) AS first_ua, max(toUInt8(src.correlated)) AS correlated, uniqState(toUInt16(src.src_port)) AS unique_src_ports, max(toUInt32(src.keepalives)) AS max_keepalives, sum(IF(src.orphan_side = 'A' OR toUInt8(src.correlated) = 0, 1, 0)) AS orphan_count FROM mabase_prod.http_logs AS src GROUP BY window_start, src.src_ip, src.ja4, src.host; CREATE TABLE mabase_prod.agg_header_fingerprint_1h ( window_start DateTime, src_ip String, header_order_hash SimpleAggregateFunction(any, String), header_count SimpleAggregateFunction(max, UInt16), has_accept_language SimpleAggregateFunction(max, UInt8), has_cookie SimpleAggregateFunction(max, UInt8), has_referer SimpleAggregateFunction(max, UInt8), -- NOUVEAU (JA4H_a) modern_browser_score SimpleAggregateFunction(max, UInt8), sec_fetch_mode SimpleAggregateFunction(any, String), sec_fetch_dest SimpleAggregateFunction(any, String), count_site_none SimpleAggregateFunction(sum, UInt64) ) ENGINE = AggregatingMergeTree() ORDER BY (window_start, src_ip) TTL window_start + INTERVAL 7 DAY; CREATE MATERIALIZED VIEW mabase_prod.mv_agg_header_fingerprint_1h TO mabase_prod.agg_header_fingerprint_1h AS SELECT toStartOfHour(src.time) AS window_start, src.src_ip, any(toString(cityHash64(src.client_headers))) AS header_order_hash, max(toUInt16(length(src.client_headers) - length(replaceAll(src.client_headers, ',', '')) + 1)) AS header_count, max(toUInt8(if(position(src.client_headers, 'Accept-Language') > 0, 1, 0))) AS has_accept_language, max(toUInt8(if(position(src.client_headers, 'Cookie') > 0, 1, 0))) AS has_cookie, max(toUInt8(if(position(src.client_headers, 'Referer') > 0, 1, 0))) AS has_referer, -- NOUVEAU (JA4H_a) max(toUInt8(if(length(src.header_sec_ch_ua) > 0, 100, if(length(src.header_user_agent) > 0, 50, 0)))) AS modern_browser_score, any(src.header_sec_fetch_mode) AS sec_fetch_mode, any(src.header_sec_fetch_dest) AS sec_fetch_dest, sum(IF(src.header_sec_fetch_site = 'none', 1, 0)) AS count_site_none FROM mabase_prod.http_logs AS src GROUP BY window_start, src.src_ip; -- ---------------------------------------------------------------------------- -- 2. TABLE DES ANOMALIES ÉLARGIE POUR GRAFANA -- ---------------------------------------------------------------------------- CREATE TABLE mabase_prod.ml_detected_anomalies ( detected_at DateTime, src_ip String, ja4 String, host String, anomaly_score Float32, -- Dimensions Applicatives et Comportementales hits UInt64, hit_velocity Float32, fuzzing_index Float32, post_ratio Float32, site_none_ratio Float32, -- Dimensions Réseau / TCP port_exhaustion_ratio Float32, max_keepalives UInt32, orphan_ratio Float32, tcp_jitter_variance Float32, tcp_shared_count UInt32, true_window_size UInt64, window_mss_ratio Float32, -- Dimensions TLS / Contextuelles alpn_http_mismatch UInt8, is_alpn_missing UInt8, sni_host_mismatch UInt8, -- Dimensions JA4H (Headers) header_count UInt16, has_accept_language UInt8, has_cookie UInt8, has_referer UInt8, modern_browser_score UInt8, is_headless UInt8, header_order_shared_count UInt32, -- NOUVEAU (JA4H_b) reason String ) ENGINE = MergeTree() ORDER BY (detected_at, src_ip, ja4) TTL detected_at + INTERVAL 30 DAY; -- ---------------------------------------------------------------------------- -- 3. VUE DE FEATURE ENGINEERING POUR L'IA (SUR 24H) -- ---------------------------------------------------------------------------- CREATE OR REPLACE VIEW mabase_prod.view_ai_features_1h AS SELECT a.src_ip, a.ja4, a.host, a.hits, a.uniq_paths, a.uniq_query_params, a.count_post, a.correlated AS correlated, (a.count_post / (a.hits + 1)) AS post_ratio, (a.uniq_query_params / (a.uniq_paths + 1)) AS fuzzing_index, (a.hits / (dateDiff('second', a.first_seen, a.last_seen) + 1)) AS hit_velocity, (a.unique_src_ports / (a.hits + 1)) AS port_exhaustion_ratio, (a.orphan_count / (a.hits + 1)) AS orphan_ratio, a.max_keepalives AS max_keepalives, COALESCE(a.tcp_jitter_variance, 0) AS tcp_jitter_variance, count() OVER (PARTITION BY a.tcp_fingerprint) AS tcp_shared_count, a.tcp_window_size * exp2(a.tcp_window_scale) AS true_window_size, IF(a.tcp_mss > 0, a.tcp_window_size / a.tcp_mss, 0) AS window_mss_ratio, IF(a.tls_alpn = 'h2' AND a.http_version!= '2', 1, 0) AS alpn_http_mismatch, IF(length(a.tls_alpn) = 0 OR a.tls_alpn = '00', 1, 0) AS is_alpn_missing, IF(length(a.tls_sni) > 0 AND a.tls_sni!= a.host, 1, 0) AS sni_host_mismatch, COALESCE(h.header_count, 0) AS header_count, COALESCE(h.has_accept_language, 0) AS has_accept_language, COALESCE(h.has_cookie, 0) AS has_cookie, COALESCE(h.has_referer, 0) AS has_referer, COALESCE(h.modern_browser_score, 0) AS modern_browser_score, IF(h.sec_fetch_mode = 'navigate' AND h.sec_fetch_dest!= 'document', 1, 0) AS is_fake_navigation, (h.count_site_none / (a.hits + 1)) AS site_none_ratio, -- JA4H_b : Regroupement par ordre de header pour détecter les botnets count() OVER (PARTITION BY h.header_order_hash) AS header_order_shared_count FROM ( SELECT window_start, src_ip, ja4, host, sum(hits) AS hits, uniqMerge(uniq_paths) AS uniq_paths, uniqMerge(uniq_query_params) AS uniq_query_params, sum(count_post) AS count_post, min(first_seen) AS first_seen, max(last_seen) AS last_seen, any(tcp_fingerprint) AS tcp_fingerprint, varPopMerge(tcp_jitter_variance) AS tcp_jitter_variance, any(tcp_window_size) AS tcp_window_size, any(tcp_window_scale) AS tcp_window_scale, any(tcp_mss) AS tcp_mss, any(http_version) AS http_version, any(tls_alpn) AS tls_alpn, any(tls_sni) AS tls_sni, max(correlated) AS correlated, uniqMerge(unique_src_ports) AS unique_src_ports, max(max_keepalives) AS max_keepalives, sum(orphan_count) AS orphan_count FROM mabase_prod.agg_host_ip_ja4_1h WHERE window_start >= toStartOfHour(now() - INTERVAL 24 HOUR) GROUP BY window_start, src_ip, ja4, host ) a LEFT JOIN ( SELECT window_start, src_ip, any(header_order_hash) AS header_order_hash, max(header_count) AS header_count, max(has_accept_language) AS has_accept_language, max(has_cookie) AS has_cookie, max(has_referer) AS has_referer, max(modern_browser_score) AS modern_browser_score, any(sec_fetch_mode) AS sec_fetch_mode, any(sec_fetch_dest) AS sec_fetch_dest, sum(count_site_none) AS count_site_none FROM mabase_prod.agg_header_fingerprint_1h WHERE window_start >= toStartOfHour(now() - INTERVAL 24 HOUR) GROUP BY window_start, src_ip ) h ON a.src_ip = h.src_ip AND a.window_start = a.window_start;