['flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'anomaly', 'anomaly', 'anomaly', 'anomaly', 'anomaly', 'http', 'http', 'fileinfo', 'http', 'http', 'fileinfo', 'http', 'http', 'fileinfo', 'http', 'fileinfo', 'http', 'http', 'http', 'fileinfo', 'http', 'http', 'fileinfo', 'http', 'http', 'fileinfo', 'http', 'fileinfo', 'http', 'fileinfo', 'http', 'http']
src_ip: 172.16.0.1, src_port: 59642, dest_ip: 192.168.10.50, dest_port: 80, event_type: flow, proto: TCP, app_proto: http, flow_pkts_toserver: 15, flow_pkts_toclient: 3, flow_bytes_toserver: 3547, flow_bytes_toclient: 208, flow_age: 104, flow_state: closed, flow_reason: timeout, tcp_tcp_flags: 1e, tcp_tcp_flags_ts: 1a, tcp_tcp_flags_tc: 16, 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: 8, flow_pkts_toclient: 5, flow_bytes_toserver: 886, flow_bytes_toclient: 11933, 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: 6, flow_pkts_toclient: 6, flow_bytes_toserver: 749, 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: 7, flow_pkts_toclient: 5, flow_bytes_toserver: 1116, 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: 7, flow_pkts_toclient: 7, flow_bytes_toserver: 805, 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: 8, flow_pkts_toclient: 8, flow_bytes_toserver: 884, flow_bytes_toclient: 12131, 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: 7, flow_bytes_toserver: 918, flow_bytes_toclient: 12076, flow_age: 1, 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: 7, flow_pkts_toclient: 6, flow_bytes_toserver: 762, 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: 8, flow_pkts_toclient: 6, flow_bytes_toserver: 1256, 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: 8, flow_pkts_toclient: 7, flow_bytes_toserver: 910, flow_bytes_toclient: 12065, 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: 6, flow_bytes_toserver: 917, 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: 8, flow_pkts_toclient: 6, flow_bytes_toserver: 885, 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: 10, flow_pkts_toclient: 7, flow_bytes_toserver: 1333, flow_bytes_toclient: 12102, flow_age: 17, 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: 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 ; pcap_cnt: 9925342, 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_http_port: 0, http_url: /, http_http_user_agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.503l3; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; MSOffice 12), 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: /?RZWU=SPFPY, 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_content_type: text/html, http_http_refer: http://www.usatoday.com/search/results?q=PYZOFDIPS, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 11321 ; event_type: fileinfo, proto: TCP, http_hostname: 205.174.165.68, http_url: /?RZWU=SPFPY, 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_content_type: text/html, http_http_refer: http://www.usatoday.com/search/results?q=PYZOFDIPS, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 11321, app_proto: http, fileinfo_filename: /, fileinfo_gaps: True, fileinfo_state: TRUNCATED, fileinfo_stored: False, fileinfo_size: 11321, fileinfo_tx_id: 0 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?JBO=NUGXBDBMPI, 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://205.174.165.68/EWGRLTQ, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 6966 ; event_type: http, proto: TCP, tx_id: 1, http_http_port: 0, http_url: /libhtp::request_uri_not_seen, http_length: 1442 ; event_type: fileinfo, proto: TCP, http_hostname: 205.174.165.68, http_url: /?JBO=NUGXBDBMPI, 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://205.174.165.68/EWGRLTQ, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 6966, app_proto: http, fileinfo_filename: /, fileinfo_gaps: True, fileinfo_state: TRUNCATED, fileinfo_stored: False, fileinfo_size: 6966, fileinfo_tx_id: 0 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?YWZJF=NTTNC, http_http_user_agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.3) Gecko/20090913 Firefox/3.5.3, http_http_refer: http://205.174.165.68/YNWNLA, 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: /?AHXEKFA=DQQHJEEU, 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://205.174.165.68/XWWJIEN, 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: /?AHXEKFA=DQQHJEEU, 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://205.174.165.68/XWWJIEN, 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: /?ERLAY=HPJ, http_http_user_agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 (.NET CLR 3.5.30729), http_http_content_type: text/html, http_http_refer: http://engadget.search.aol.com/search?q=DALEHMGFC, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 2622 ; event_type: fileinfo, proto: TCP, http_hostname: 205.174.165.68, http_url: /?ERLAY=HPJ, http_http_user_agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 (.NET CLR 3.5.30729), http_http_content_type: text/html, http_http_refer: http://engadget.search.aol.com/search?q=DALEHMGFC, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 2622, app_proto: http, fileinfo_filename: /, fileinfo_gaps: True, fileinfo_state: TRUNCATED, fileinfo_stored: False, fileinfo_size: 2622, fileinfo_tx_id: 0 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?HKL=LAKM, 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/VQVOHC, 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: /?XFHPEGY=MXN, http_http_user_agent: Mozilla/5.0 (Windows; U; MSIE 7.0; Windows NT 6.0; en-US), http_http_content_type: text/html, http_http_refer: http://205.174.165.68/FZTHOT, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 6966 ; event_type: http, proto: TCP, tx_id: 1, http_http_port: 0, http_url: /libhtp::request_uri_not_seen, http_length: 1442 ; event_type: fileinfo, proto: TCP, http_hostname: 205.174.165.68, http_url: /?XFHPEGY=MXN, http_http_user_agent: Mozilla/5.0 (Windows; U; MSIE 7.0; Windows NT 6.0; en-US), http_http_content_type: text/html, http_http_refer: http://205.174.165.68/FZTHOT, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 6966, app_proto: http, fileinfo_filename: /, fileinfo_gaps: True, fileinfo_state: TRUNCATED, fileinfo_stored: False, fileinfo_size: 6966, fileinfo_tx_id: 0 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?VZJ=MLRM, http_http_user_agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 (.NET CLR 3.5.30729), http_http_content_type: text/html, http_http_refer: http://engadget.search.aol.com/search?q=ATKLVPU, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 6966 ; event_type: http, proto: TCP, tx_id: 1, http_http_port: 0, http_url: /libhtp::request_uri_not_seen, http_length: 1442 ; event_type: fileinfo, proto: TCP, http_hostname: 205.174.165.68, http_url: /?VZJ=MLRM, http_http_user_agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 (.NET CLR 3.5.30729), http_http_content_type: text/html, http_http_refer: http://engadget.search.aol.com/search?q=ATKLVPU, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 6966, app_proto: http, fileinfo_filename: /, fileinfo_gaps: True, fileinfo_state: TRUNCATED, fileinfo_stored: False, fileinfo_size: 6966, fileinfo_tx_id: 0 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?BSNJCOJFO=UKZSQMQVY, 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_content_type: text/html, http_http_refer: http://engadget.search.aol.com/search?q=KYVNDTDLFS, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 6966 ; event_type: http, proto: TCP, tx_id: 1, http_http_port: 0, http_url: /libhtp::request_uri_not_seen, http_length: 1476 ; event_type: fileinfo, proto: TCP, http_hostname: 205.174.165.68, http_url: /?BSNJCOJFO=UKZSQMQVY, 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_content_type: text/html, http_http_refer: http://engadget.search.aol.com/search?q=KYVNDTDLFS, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 6966, app_proto: http, fileinfo_filename: /, fileinfo_gaps: True, fileinfo_state: TRUNCATED, fileinfo_stored: False, fileinfo_size: 6966, fileinfo_tx_id: 0 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?WBVWKFKEK=VCGDCLVWVX, 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://engadget.search.aol.com/search?q=FFQQVJKUQH, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 8414 ; event_type: fileinfo, proto: TCP, http_hostname: 205.174.165.68, http_url: /?WBVWKFKEK=VCGDCLVWVX, 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://engadget.search.aol.com/search?q=FFQQVJKUQH, 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: /?WGXJPWZ=OYUT, http_http_user_agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 (.NET CLR 3.5.30729), http_http_content_type: text/html, http_http_refer: http://205.174.165.68/BXZNFYC, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 8414 ; event_type: fileinfo, proto: TCP, http_hostname: 205.174.165.68, http_url: /?WGXJPWZ=OYUT, http_http_user_agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 (.NET CLR 3.5.30729), http_http_content_type: text/html, http_http_refer: http://205.174.165.68/BXZNFYC, 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 ; pcap_cnt: 9925336, event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?Ah3Qs=CQQvFolHdLtJxF&Kau=IlP4d3DyCCD, http_http_user_agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_1) AppleWebKit/537.23 (KHTML, like Gecko) Chrome/11.0.720.53 Safari/535.29, http_http_refer: http://www.bing.com/IOkD8K0sJ?rE7c=HC7rPM7P6B&wrjn=q0nNLUxR6l&CnDalWDeK=LIi2nSeddwOApnG&tKPFeIljit=8ID6BUApkJP0F0UlSA15&KnxO=etYgBkE4800Nm3bRQmBE&gKUcGtm=tIxkX3C&sOVlsPrc=fG60v8vfXq, http_http_method: GET, http_protocol: HTTP/1.1, http_length: 1447 ; event_type: http, proto: TCP, tx_id: 1, http_http_port: 0, http_url: /libhtp::request_uri_not_seen, http_length: 1526
The network event indicates a DoS Slowloris. DoS Slowloris attacks involve sending partial HTTP requests to the target server, keeping connections open as long as possible. Typically, the logs show multiple long-lived connections with minimal data exchange, aiming to exhaust the target server's resources by maintaining numerous open connections. Additionally, the logs contain multiple `anomaly` events indicating `UNABLE_TO_MATCH_RESPONSE_TO_REQUEST`, which is consistent with incomplete HTTP requests. These characteristics align with the behavior of DoS Slowloris attacks, which aim to overwhelm the server by keeping numerous connections open with incomplete requests.
classification: Attack
justification: The network event indicates a DoS Slowloris. DoS Slowloris attacks involve sending partial HTTP requests to the target server, keeping connections open as long as possible. Typically, the logs show multiple long-lived connections with minimal data exchange, aiming to exhaust the target server's resources by maintaining numerous open connections. Additionally, the logs contain multiple `anomaly` events indicating `UNABLE_TO_MATCH_RESPONSE_TO_REQUEST`, which is consistent with incomplete HTTP requests. These characteristics align with the behavior of DoS Slowloris attacks, which aim to overwhelm the server by keeping numerous connections open with incomplete requests.