['flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'flow', 'anomaly', 'http', 'fileinfo', 'http', 'fileinfo', 'http', 'http', 'fileinfo', 'http', 'http', 'http', 'http', 'fileinfo', 'http', 'http', 'fileinfo', 'http', 'http', 'fileinfo', 'http']
src_ip: 172.16.0.1, src_port: 34690, dest_ip: 192.168.10.50, dest_port: 80, event_type: flow, proto: TCP, flow_pkts_toserver: 9, flow_pkts_toclient: 7, flow_bytes_toserver: 1160, flow_bytes_toclient: 2453, flow_age: 238, flow_state: closed, flow_reason: timeout, tcp_tcp_flags: 1f, tcp_tcp_flags_ts: 1f, 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: 916, 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: 860, 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: 871, 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: 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: 845, 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: 837, 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, 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: 8, flow_pkts_toclient: 7, flow_bytes_toserver: 864, 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: 5, flow_bytes_toserver: 773, 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: 854, 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: 915, 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: 8, flow_pkts_toclient: 6, flow_bytes_toserver: 874, 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: 6, flow_bytes_toserver: 1298, 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, app_proto: http, flow_pkts_toserver: 6, flow_pkts_toclient: 4, flow_bytes_toserver: 740, flow_bytes_toclient: 3797, flow_age: 105, 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: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?YHLIG=CQMVMMYJTK, 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://205.174.165.68/QRWDQXEKM, 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: /?YHLIG=CQMVMMYJTK, 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://205.174.165.68/QRWDQXEKM, 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: /?UMCRD=BFSLEE, http_http_user_agent: Opera/9.80 (Windows NT 5.2; U; ru) Presto/2.5.22 Version/10.51, http_http_content_type: text/html, http_http_refer: http://www.usatoday.com/search/results?q=IMRTAQZ, 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: /?UMCRD=BFSLEE, http_http_user_agent: Opera/9.80 (Windows NT 5.2; U; ru) Presto/2.5.22 Version/10.51, http_http_content_type: text/html, http_http_refer: http://www.usatoday.com/search/results?q=IMRTAQZ, 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: /?SKDKQNHQVT=VEPCFXP, 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_refer: http://205.174.165.68/ZPBVP, 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: /?HITTU=GSXGJ, 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=QOWWQHY, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 9862 ; event_type: fileinfo, proto: TCP, http_hostname: 205.174.165.68, http_url: /?HITTU=GSXGJ, 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=QOWWQHY, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 9862, app_proto: http, fileinfo_filename: /, fileinfo_gaps: True, fileinfo_state: TRUNCATED, fileinfo_stored: False, fileinfo_size: 9862, fileinfo_tx_id: 0 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?IMD=ZCCWOPS, 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_refer: http://engadget.search.aol.com/search?q=JBVIQXBN, http_http_method: GET, http_protocol: HTTP/1.1, http_length: 1467 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?WZPP=ANUTHC, 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://www.usatoday.com/search/results?q=TCPPUSLDCN, 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: /?BZFRF=EKHA, http_http_user_agent: Mozilla/4.0 (compatible; MSIE 6.1; Windows XP), http_http_content_type: text/html, http_http_refer: http://engadget.search.aol.com/search?q=NNRLP, 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: /?BZFRF=EKHA, http_http_user_agent: Mozilla/4.0 (compatible; MSIE 6.1; Windows XP), http_http_content_type: text/html, http_http_refer: http://engadget.search.aol.com/search?q=NNRLP, 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: /?UDMQSEASA=EGXJJL, 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://205.174.165.68/DHUQXSL, 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: /?ANSGXIDS=VVMIFIJ, 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=RQODD, 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: /?ANSGXIDS=VVMIFIJ, 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=RQODD, 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: /?IXRGWG=VSWL, 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=WFSHUMZZDN, http_http_method: GET, http_protocol: HTTP/1.1, http_length: 2896 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?JLV=GOPTLHK, 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/PGLUBPI, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 9862 ; event_type: fileinfo, proto: TCP, http_hostname: 205.174.165.68, http_url: /?JLV=GOPTLHK, 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/PGLUBPI, http_http_method: GET, http_protocol: HTTP/1.1, http_status: 200, http_length: 9862, app_proto: http, fileinfo_filename: /, fileinfo_gaps: True, fileinfo_state: TRUNCATED, fileinfo_stored: False, fileinfo_size: 9862, fileinfo_tx_id: 0 ; event_type: http, proto: TCP, tx_id: 0, http_hostname: 205.174.165.68, http_url: /?Tv3BeelIE=0lMVcKsjhqKBrpjnyL7&hutG=4FST7jA6KAGOF1&Lmoxef=eINI&A8y53q7=CetrPa, http_http_user_agent: Mozilla/5.0 (Windows NT.6.2; Win64; x64) Gecko/20072407 Firefox/15.0, 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.