['flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'anomaly', 'anomaly', 'anomaly', 'http', 'fileinfo', 'http', 'http', 'fileinfo', 'http', 'http', 'fileinfo', 'http', 'fileinfo', 'http', 'http', 'fileinfo', 'http', 'fileinfo', 'http', 'http', 'fileinfo', 'http', 'http', 'http', 'fileinfo', 'http']
src_ip: 172.16.0.1, src_port: 37998, 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: 633, flow_bytes_toclient: 206, flow_age: 110, 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: 6, flow_pkts_toclient: 5, flow_bytes_toserver: 750, 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: 13, 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: 7, flow_bytes_toserver: 896, 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: 7, flow_pkts_toclient: 7, flow_bytes_toserver: 779, 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: 8, flow_pkts_toclient: 6, flow_bytes_toserver: 862, flow_bytes_toclient: 11999, flow_age: 1, 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, flow_pkts_toserver: 1, flow_pkts_toclient: 0, flow_bytes_toserver: 74, flow_bytes_toclient: 0, flow_age: 0, flow_state: new, flow_reason: timeout, tcp_tcp_flags: 02, tcp_tcp_flags_ts: 02, tcp_tcp_flags_tc: 00, tcp_syn: True, tcp_state: syn_sent ; 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: 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: 6, flow_bytes_toserver: 886, 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: 10, flow_pkts_toclient: 6, flow_bytes_toserver: 1036, 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: 8, flow_bytes_toserver: 821, 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: 6, flow_pkts_toclient: 6, flow_bytes_toserver: 806, 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: 11, flow_pkts_toclient: 7, flow_bytes_toserver: 1490, 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: 6, flow_bytes_toserver: 795, 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: 5, flow_bytes_toserver: 1079, flow_bytes_toclient: 11970, flow_age: 13, flow_state: closed, flow_reason: timeout, tcp_tcp_flags: 1f, tcp_tcp_flags_ts: 1e, tcp_tcp_flags_tc: 13, tcp_syn: True, tcp_fin: True, tcp_rst: True, tcp_psh: True, tcp_ack: True, tcp_state: closed ; 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: /?INKBCAAQKU=POO, 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/HUZKFDBS, 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: /?INKBCAAQKU=POO, 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/HUZKFDBS, 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: /?GSGHSN=KWRTLO, 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=ETOEAMUHVJ, 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: /?GSGHSN=KWRTLO, 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=ETOEAMUHVJ, 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: /?NNCDH=DJLYNPSR, http_http_user_agent: Opera/9.80 (Windows NT 5.2; U; ru) Presto/2.5.22 Version/10.51, http_http_refer: http://205.174.165.68/BMJGQUHIC, http_http_method: GET, http_protocol: HTTP/1.1, http_length: 28437 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?NGFBYS=RIHAH, 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_content_type: text/html, http_http_refer: http://www.google.com/?q=WNIVI, 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: /?NGFBYS=RIHAH, 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_content_type: text/html, http_http_refer: http://www.google.com/?q=WNIVI, 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: /?WWV=RWEMHLIXIM, http_http_user_agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Win64; x64; Trident/4.0), http_http_content_type: text/html, http_http_refer: http://www.google.com/?q=OWVFQEQ, 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: /?WWV=RWEMHLIXIM, http_http_user_agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Win64; x64; Trident/4.0), http_http_content_type: text/html, http_http_refer: http://www.google.com/?q=OWVFQEQ, 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: /?JEZG=WEMLC, http_http_user_agent: Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 (.NET CLR 3.5.30729), http_http_refer: http://www.usatoday.com/search/results?q=TAUYNU, 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: /?LNNVR=LNNIG, http_http_user_agent: Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; 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=RCCPJY, 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: /?LNNVR=LNNIG, http_http_user_agent: Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; 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=RCCPJY, 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: /?VMULNKAUF=PFDQWXLP, 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://www.google.com/?q=GIVLIBWUV, 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: /?VMULNKAUF=PFDQWXLP, 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://www.google.com/?q=GIVLIBWUV, 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: /?MAMRJBQTQ=UBQDTYSNR, 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_content_type: text/html, http_http_refer: http://www.google.com/?q=WOTBQMM, 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: /?MAMRJBQTQ=UBQDTYSNR, 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_content_type: text/html, http_http_refer: http://www.google.com/?q=WOTBQMM, 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: /?LFQJHSSHF=NIR, 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=ZOLZMYXR, http_http_method: GET, http_protocol: HTTP/1.1, http_length: 28437 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?BKRDSP=ULU, 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://205.174.165.68/OKGWYLBDD, 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: /?BKRDSP=ULU, 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://205.174.165.68/OKGWYLBDD, 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: /?vyPr=Yyiagetbn&MnUxQ=g4MmS8j&VMuaDWfOd=CMPHqChGuMUg85, http_http_user_agent: Mozilla/5.0 (Linux i386; X11) Gecko/20081501 Firefox/24.0, http_http_refer: http://www.yandex.com/xse6lCPAny, http_http_method: GET, http_protocol: HTTP/1.1, http_length: 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.