['flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'anomaly', 'anomaly', 'anomaly', 'http', 'http', 'http', 'http', 'http', 'http', 'fileinfo', 'http', 'http', 'http', 'http', 'fileinfo', 'http', 'http', 'fileinfo', 'http', 'fileinfo', 'http', 'http', 'fileinfo']
src_ip: 172.16.0.1, src_port: 38172, dest_ip: 192.168.10.50, dest_port: 80, event_type: flow, proto: TCP, flow_pkts_toserver: 4, flow_pkts_toclient: 3, flow_bytes_toserver: 634, flow_bytes_toclient: 206, flow_age: 109, flow_state: established, flow_reason: timeout, tcp_tcp_flags: 1a, tcp_tcp_flags_ts: 1a, tcp_tcp_flags_tc: 12, tcp_syn: True, tcp_psh: True, tcp_ack: True, tcp_state: established ; event_type: flow, proto: TCP, app_proto: http, flow_pkts_toserver: 8, flow_pkts_toclient: 6, flow_bytes_toserver: 1198, flow_bytes_toclient: 11999, flow_age: 0, flow_state: closed, flow_reason: timeout, tcp_tcp_flags: 1e, tcp_tcp_flags_ts: 1e, tcp_tcp_flags_tc: 12, tcp_syn: True, tcp_rst: True, tcp_psh: True, tcp_ack: True, tcp_state: closed ; event_type: flow, proto: TCP, app_proto: http, flow_pkts_toserver: 9, flow_pkts_toclient: 5, flow_bytes_toserver: 998, flow_bytes_toclient: 11933, flow_age: 0, flow_state: closed, flow_reason: timeout, tcp_tcp_flags: 1f, tcp_tcp_flags_ts: 1e, tcp_tcp_flags_tc: 1b, tcp_syn: True, tcp_fin: True, tcp_rst: True, tcp_psh: True, tcp_ack: True, tcp_state: closed ; event_type: flow, proto: TCP, app_proto: http, flow_pkts_toserver: 6, flow_pkts_toclient: 5, flow_bytes_toserver: 736, flow_bytes_toclient: 11933, flow_age: 0, flow_state: closed, flow_reason: timeout, tcp_tcp_flags: 1f, tcp_tcp_flags_ts: 1e, tcp_tcp_flags_tc: 1b, tcp_syn: True, tcp_fin: True, tcp_rst: True, tcp_psh: True, tcp_ack: True, tcp_state: closed ; event_type: flow, proto: TCP, app_proto: http, flow_pkts_toserver: 8, flow_pkts_toclient: 5, flow_bytes_toserver: 1178, flow_bytes_toclient: 11933, flow_age: 0, flow_state: closed, flow_reason: timeout, tcp_tcp_flags: 1f, tcp_tcp_flags_ts: 1e, tcp_tcp_flags_tc: 1b, tcp_syn: True, tcp_fin: True, tcp_rst: True, tcp_psh: True, tcp_ack: True, tcp_state: closed ; event_type: flow, proto: TCP, app_proto: http, flow_pkts_toserver: 9, flow_pkts_toclient: 6, flow_bytes_toserver: 941, flow_bytes_toclient: 11999, flow_age: 1, flow_state: closed, flow_reason: timeout, tcp_tcp_flags: 1f, tcp_tcp_flags_ts: 1e, tcp_tcp_flags_tc: 1b, tcp_syn: True, tcp_fin: True, tcp_rst: True, tcp_psh: True, tcp_ack: True, tcp_state: closed ; event_type: flow, proto: TCP, app_proto: http, flow_pkts_toserver: 14, flow_pkts_toclient: 7, flow_bytes_toserver: 2561, flow_bytes_toclient: 12065, flow_age: 2, flow_state: closed, flow_reason: timeout, tcp_tcp_flags: 1f, tcp_tcp_flags_ts: 1e, tcp_tcp_flags_tc: 1b, tcp_syn: True, tcp_fin: True, tcp_rst: True, tcp_psh: True, tcp_ack: True, tcp_state: closed ; event_type: flow, proto: TCP, app_proto: http, flow_pkts_toserver: 8, flow_pkts_toclient: 6, flow_bytes_toserver: 892, flow_bytes_toclient: 11999, flow_age: 0, flow_state: closed, flow_reason: timeout, tcp_tcp_flags: 1f, tcp_tcp_flags_ts: 1f, tcp_tcp_flags_tc: 1b, tcp_syn: True, tcp_fin: True, tcp_rst: True, tcp_psh: True, tcp_ack: True, tcp_state: closed ; event_type: flow, proto: TCP, app_proto: http, flow_pkts_toserver: 9, flow_pkts_toclient: 5, flow_bytes_toserver: 949, flow_bytes_toclient: 11933, flow_age: 0, flow_state: closed, flow_reason: timeout, tcp_tcp_flags: 1e, tcp_tcp_flags_ts: 1e, tcp_tcp_flags_tc: 12, tcp_syn: True, tcp_rst: True, tcp_psh: True, tcp_ack: True, tcp_state: closed ; event_type: flow, proto: TCP, app_proto: http, flow_pkts_toserver: 9, flow_pkts_toclient: 7, flow_bytes_toserver: 907, flow_bytes_toclient: 12065, flow_age: 0, flow_state: closed, flow_reason: timeout, tcp_tcp_flags: 1e, tcp_tcp_flags_ts: 1e, tcp_tcp_flags_tc: 12, tcp_syn: True, tcp_rst: True, tcp_psh: True, tcp_ack: True, tcp_state: closed ; event_type: flow, proto: TCP, app_proto: http, flow_pkts_toserver: 7, flow_pkts_toclient: 7, flow_bytes_toserver: 819, flow_bytes_toclient: 12065, flow_age: 0, flow_state: closed, flow_reason: timeout, tcp_tcp_flags: 1f, tcp_tcp_flags_ts: 1f, tcp_tcp_flags_tc: 12, tcp_syn: True, tcp_fin: True, tcp_rst: True, tcp_psh: True, tcp_ack: True, tcp_state: closed ; event_type: flow, proto: TCP, app_proto: http, flow_pkts_toserver: 7, flow_pkts_toclient: 7, flow_bytes_toserver: 781, flow_bytes_toclient: 12065, flow_age: 1, flow_state: closed, flow_reason: timeout, tcp_tcp_flags: 1f, tcp_tcp_flags_ts: 1f, tcp_tcp_flags_tc: 12, tcp_syn: True, tcp_fin: True, tcp_rst: True, tcp_psh: True, tcp_ack: True, tcp_state: closed ; event_type: flow, proto: TCP, app_proto: http, flow_pkts_toserver: 8, flow_pkts_toclient: 6, flow_bytes_toserver: 1001, flow_bytes_toclient: 12036, flow_age: 5, flow_state: established, flow_reason: timeout, tcp_tcp_flags: 1b, tcp_tcp_flags_ts: 1a, tcp_tcp_flags_tc: 13, tcp_syn: True, tcp_fin: True, tcp_psh: True, tcp_ack: True, tcp_state: fin_wait2 ; event_type: anomaly, proto: TCP, tx_id: 1, anomaly_app_proto: http, anomaly_type: applayer, anomaly_event: UNABLE_TO_MATCH_RESPONSE_TO_REQUEST, anomaly_layer: proto_parser ; event_type: anomaly, proto: TCP, tx_id: 1, anomaly_app_proto: http, anomaly_type: applayer, anomaly_event: UNABLE_TO_MATCH_RESPONSE_TO_REQUEST, anomaly_layer: proto_parser ; event_type: anomaly, proto: TCP, tx_id: 1, anomaly_app_proto: http, anomaly_type: applayer, anomaly_event: UNABLE_TO_MATCH_RESPONSE_TO_REQUEST, anomaly_layer: proto_parser ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?KUC=XMLZCZOVNN, http_http_user_agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.1) Gecko/20090718 Firefox/3.5.1, http_http_refer: http://205.174.165.68/TMTQHTGW, http_http_method: GET, http_protocol: HTTP/1.1, http_length: 1442 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?GIYHO=FQCSJM, http_http_user_agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 1.1.4322; .NET CLR 3.5.30729; .NET CLR 3.0.30729), http_http_refer: http://www.google.com/?q=YBXVMPEG, http_http_method: GET, http_protocol: HTTP/1.1, http_length: 10 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?WWZ=OXHILK, http_http_user_agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Win64; x64; Trident/4.0), http_http_refer: http://engadget.search.aol.com/search?q=BLCZS, http_http_method: GET, http_protocol: HTTP/1.1, http_length: 10 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?TSAPC=LWOJABZN, http_http_user_agent: Mozilla/5.0 (Windows; U; MSIE 7.0; Windows NT 6.0; en-US), http_http_refer: http://www.usatoday.com/search/results?q=JJMHUHLBKB, http_http_method: GET, http_protocol: HTTP/1.1, http_length: 10 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?QUAXWCFMKJ=SFUYGVEI, http_http_user_agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; InfoPath.2), http_http_content_type: text/html, http_http_refer: http://205.174.165.68/NOWCD, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 11310 ; event_type: http, proto: TCP, tx_id: 1, http_http_port: 0, http_url: /libhtp::request_uri_not_seen, http_length: 10 ; event_type: fileinfo, proto: TCP, http_hostname: 205.174.165.68, http_url: /?QUAXWCFMKJ=SFUYGVEI, http_http_user_agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; InfoPath.2), http_http_content_type: text/html, http_http_refer: http://205.174.165.68/NOWCD, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 11310, app_proto: http, fileinfo_filename: /, fileinfo_gaps: True, fileinfo_state: TRUNCATED, fileinfo_stored: False, fileinfo_size: 11310, fileinfo_tx_id: 0 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?QJTLZVKGKE=PQLBNJBWJU, http_http_user_agent: Mozilla/5.0 (Windows; U; MSIE 7.0; Windows NT 6.0; en-US), http_http_refer: http://engadget.search.aol.com/search?q=QXVTACE, http_http_method: GET, http_protocol: HTTP/1.1, http_length: 1467 ; event_type: http, proto: TCP, tx_id: 1, http_http_port: 0, http_url: /libhtp::request_uri_not_seen, http_length: 10 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?EVME=GEQQQRR, http_http_user_agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/532.1 (KHTML, like Gecko) Chrome/4.0.219.6 Safari/532.1, http_http_refer: http://engadget.search.aol.com/search?q=SPVQI, http_http_method: GET, http_protocol: HTTP/1.1, http_length: 0 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?RQOG=OGFOJO, http_http_user_agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; SV1; .NET CLR 2.0.50727; InfoPath.2), http_http_content_type: text/html, http_http_refer: http://www.google.com/?q=WVRANDKEV, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 1174 ; event_type: fileinfo, proto: TCP, http_hostname: 205.174.165.68, http_url: /?RQOG=OGFOJO, http_http_user_agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; SV1; .NET CLR 2.0.50727; InfoPath.2), http_http_content_type: text/html, http_http_refer: http://www.google.com/?q=WVRANDKEV, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 1174, app_proto: http, fileinfo_filename: /, fileinfo_gaps: False, fileinfo_state: CLOSED, fileinfo_stored: False, fileinfo_size: 1174, fileinfo_tx_id: 0 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?VYSQQTMDZI=QZCRB, http_http_user_agent: Mozilla/4.0 (compatible; MSIE 6.1; Windows XP), http_http_content_type: text/html, http_http_refer: http://www.usatoday.com/search/results?q=MBPODF, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 8414 ; event_type: http, proto: TCP, tx_id: 1, http_http_port: 0, http_url: /libhtp::request_uri_not_seen, http_length: 1422 ; event_type: fileinfo, proto: TCP, http_hostname: 205.174.165.68, http_url: /?VYSQQTMDZI=QZCRB, http_http_user_agent: Mozilla/4.0 (compatible; MSIE 6.1; Windows XP), http_http_content_type: text/html, http_http_refer: http://www.usatoday.com/search/results?q=MBPODF, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 8414, app_proto: http, fileinfo_filename: /, fileinfo_gaps: True, fileinfo_state: TRUNCATED, fileinfo_stored: False, fileinfo_size: 8414, fileinfo_tx_id: 0 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?YMQ=PDFPWV, http_http_user_agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; SV1; .NET CLR 2.0.50727; InfoPath.2), http_http_content_type: text/html, http_http_refer: http://www.usatoday.com/search/results?q=NSUTQVPU, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 1174 ; event_type: fileinfo, proto: TCP, http_hostname: 205.174.165.68, http_url: /?YMQ=PDFPWV, http_http_user_agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; SV1; .NET CLR 2.0.50727; InfoPath.2), http_http_content_type: text/html, http_http_refer: http://www.usatoday.com/search/results?q=NSUTQVPU, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 1174, app_proto: http, fileinfo_filename: /, fileinfo_gaps: False, fileinfo_state: TRUNCATED, fileinfo_stored: False, fileinfo_size: 1174, fileinfo_tx_id: 0 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?VWZSCL=EATNTKO, http_http_user_agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Win64; x64; Trident/4.0), http_http_refer: http://www.google.com/?q=IVECBEX, http_http_method: GET, http_protocol: HTTP/1.1, http_length: 0 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?BjkBt=rktcM&UuE=IUB0PgDmErGmacXDcnp&4ABE3KkK=VOULpTSntpSm5WaCDY5T, http_http_user_agent: Mozilla/5.0 (compatible; MSIE 7.0; Linux i386; .NET CLR 1.3.18254; X11), http_http_content_type: text/html, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 1137 ; event_type: fileinfo, proto: TCP, http_hostname: 205.174.165.68, http_url: /?BjkBt=rktcM&UuE=IUB0PgDmErGmacXDcnp&4ABE3KkK=VOULpTSntpSm5WaCDY5T, http_http_user_agent: Mozilla/5.0 (compatible; MSIE 7.0; Linux i386; .NET CLR 1.3.18254; X11), http_http_content_type: text/html, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 1137, app_proto: http, fileinfo_filename: /, fileinfo_gaps: False, fileinfo_state: CLOSED, fileinfo_stored: False, fileinfo_size: 1137, fileinfo_tx_id: 0
The network event indicates a DoS Slowhttptest. DoS Slowhttptest attacks involve sending partial HTTP requests at a slow rate to keep connections open. Typically, the logs show multiple connections with minimal data exchange and prolonged open states, aiming to exhaust the target server's resources. Additionally, the logs contain multiple `anomaly` events indicating `APPLAYER_DETECT_PROTOCOL_ONLY_ONE_DIRECTION` and `UNABLE_TO_MATCH_RESPONSE_TO_REQUEST`, which is consistent with incomplete HTTP requests. These characteristics align with the behavior of DoS Slowhttptest attacks, which aim to overwhelm the server by keeping numerous connections open with partial and incomplete requests.
classification: Attack
justification: The network event indicates a DoS Slowhttptest. DoS Slowhttptest attacks involve sending partial HTTP requests at a slow rate to keep connections open. Typically, the logs show multiple connections with minimal data exchange and prolonged open states, aiming to exhaust the target server's resources. Additionally, the logs contain multiple `anomaly` events indicating `APPLAYER_DETECT_PROTOCOL_ONLY_ONE_DIRECTION` and `UNABLE_TO_MATCH_RESPONSE_TO_REQUEST`, which is consistent with incomplete HTTP requests. These characteristics align with the behavior of DoS Slowhttptest attacks, which aim to overwhelm the server by keeping numerous connections open with partial and incomplete requests.