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Bug #6567
openanomaly and file info logs discrepancy results between versions
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Description
Reading the same pcap (attached, thanks to AnyRun) with Suricata 7.0.2 and latest gitmaster gives different results.
Mainly 1 extra fileinfo log with latest master vs Suricata 7.0.2
and 1 extra anomaly log with 7.0.2 vs latest master:
sudo /opt/suritest-profiling/bin/suricata -S "rules/*.rules" -l logs/ -k none -r ce7ca983-9e4b-4251-a7c3-fefa3da02ebe.pcap ; echo "Suricata event types:" ; jq -r .event_type logs/eve.json | sort | uniq -c |sort -rn ; echo "Alerts:" ; grep '"event_type":"alert"' logs/eve.json | jq .alert.signature | sort -rn | uniq -c | sort -rn ; Notice: suricata: This is Suricata version 8.0.0-dev (d2b25af3f 2023-11-17) running in USER mode [LogVersion:suricata.c:1148] Warning: app-layer-htp: Flash decompression is deprecated and will be removed in Suricata 8; see ticket #6179 [HTPConfigParseParameters:app-layer-htp.c:2908] Notice: threads: Threads created -> RX: 1 W: 16 FM: 1 FR: 1 Engine started. [TmThreadWaitOnThreadRunning:tm-threads.c:1893] Notice: suricata: Signal Received. Stopping engine. [SuricataMainLoop:suricata.c:2807] Notice: pcap: read 1 file, 5593 packets, 3650074 bytes [ReceivePcapFileThreadExitStats:source-pcap-file.c:388] Suricata event types: 18 flow 8 fileinfo 7 alert 4 http 2 dns 1 tls 1 stats Alerts: 1 "ETPRO POLICY Observed External IP Lookup Domain (api.ip .sb in TLS SNI)" 1 "ETPRO POLICY External IP Address Lookup DNS Query (api .ip .sb)" 1 "ETPRO MALWARE RedLine - SetEnvironment Request" 1 "ETPRO MALWARE RedLine - EnvironmentSettings Request" 1 "ETPRO MALWARE RedLine - CheckConnect Request" 1 "ET ATTACK_RESPONSE Win32/LeftHook Stealer Browser Extension Config Inbound" 1 "ET ATTACK_RESPONSE RedLine Stealer - CheckConnect Response" sudo /opt/suritest702/bin/suricata -S "rules/*.rules" -l logs/ -k none -r ce7ca983-9e4b-4251-a7c3-fefa3da02ebe.pcap ; echo "Suricata event types:" ; jq -r .event_type logs/eve.json | sort | uniq -c |sort -rn ; echo "Alerts:" ; grep '"event_type":"alert"' logs/eve.json | jq .alert.signature | sort -rn | uniq -c | sort -rn ; i: suricata: This is Suricata version 7.0.2 RELEASE running in USER mode i: threads: Threads created -> RX: 1 W: 16 FM: 1 FR: 1 Engine started. i: suricata: Signal Received. Stopping engine. i: pcap: read 1 file, 5593 packets, 3650074 bytes Suricata event types: 18 flow 7 fileinfo 7 alert 4 http 2 dns 1 tls 1 stats 1 anomaly Alerts: 1 "ETPRO POLICY Observed External IP Lookup Domain (api.ip .sb in TLS SNI)" 1 "ETPRO POLICY External IP Address Lookup DNS Query (api .ip .sb)" 1 "ETPRO MALWARE RedLine - SetEnvironment Request" 1 "ETPRO MALWARE RedLine - EnvironmentSettings Request" 1 "ETPRO MALWARE RedLine - CheckConnect Request" 1 "ET ATTACK_RESPONSE Win32/LeftHook Stealer Browser Extension Config Inbound" 1 "ET ATTACK_RESPONSE RedLine Stealer - CheckConnect Response" grep '"event_type":"anomaly"' logs/eve.json | jq . { "timestamp": "2023-09-18T08:13:58.882971+0200", "flow_id": 1676748533473995, "pcap_cnt": 2878, "event_type": "anomaly", "src_ip": "192.168.100.237", "src_port": 49175, "dest_ip": "142.11.240.191", "dest_port": 35361, "proto": "TCP", "pkt_src": "wire/pcap", "metadata": { "flowbits": [ "http.dottedquadhost" ] }, "tx_id": 3, "anomaly": { "app_proto": "http", "type": "applayer", "event": "UNABLE_TO_MATCH_RESPONSE_TO_REQUEST", "layer": "proto_parser" } }
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