People will stop deploying WAFs when the compliance standards are rewritten to not require them. Honestly AWS WAF is perfect for this. It's not a great WAF but it is ideal if you need "pretend to have a WAF" as a service so you can tick the box.
filter { mutate { remove_field => ["@timestamp", "@version", "path", "host"] strip => "message" }
dns { reverse => "message" }}
filter { mutate { remove_fiel => ["@version", "@timestamp", "path", "host"] }}
GET testindex/_search{ "runtime_mappings": { "ip_pow": { "type": "long", "script": """ def result = 0; def pow = 3; for (i in doc['message.keyword'].value.splitOnToken('.')) { result += Integer.parseInt(i) * Math.pow(256, pow); pow -= 1; }
[2023-06-23T13:19:13,487][INFO ][logstash.agent ] Pipelines running {:count=>1, :running_pipelines=>[:main], :non_running_pipelines=>[]}
[2023-06-23T13:20:00,593][INFO ][logstash.inputs.jdbc ][main][02f2fe91bcdc2cef22f19291d544a8551a0d1ce4c1b2aabf7a101153deed4fe1] (0.002507s)
select a.timestamp, a.cid, b.sig_name, unhex(c.data_payload)
from event a, signature b, data c
where a.signature = b.sig_id
and a.sid = c.sid and a.cid = c.cid
and a.cid > 0
scheduleSchedule of when to periodically run statement, in Cron format for example: "* * * * *" (execute query every minute, on the minute)
There is no schedule by default. If no schedule is given, then the statement is run exactly once.
147.229.9.14 - - [28/May/2022:16:52:07 +0000] "GET /images/jordan-80.png HTTP/1.1" 304 45147.229.9.14 - - [28/May/2022:16:52:07 +0000] "GET /images/jordan-80.png HTTP/1.1" 304 45 "http://www.semicomplete.com/articles/dynamic-dns-with-dhcp/" "Mozilla/5.0 (Windows NT 5.1; rv:27.0) Gecko/20100101 Firefox/27.0" 1 # .bashrc 2 3 # User specific aliases and functions 4 5 alias rm='rm -i' 6 alias cp='cp -i' 7 alias mv='mv -i' 8 alias vi=vim 9[root@Centos7 ~]# rpm -ivh splunkforwarder-8.2.5-77015bc7a462-linux-2.6-x86_64.rpmwarning: splunkforwarder-8.2.5-77015bc7a462-linux-2.6-x86_64.rpm: Header V4 RSA/SHA512 Signature, key ID b3cd4420: NOKEYPreparing... ################################# [100%]useradd: cannot create directory /opt/splunkforwarderUpdating / installing... 1:splunkforwarder-8.2.5-77015bc7a46################################# [100%]complete[root@Centos7 ~]# snort --help
,,_ -*> Snort! <*- o" )~ Version 2.9.20 GRE (Build 82) '''' By Martin Roesch & The Snort Team: http://www.snort.org/contact#team Copyright (C) 2014-2022 Cisco and/or its affiliates. All rights reserved. Copyright (C) 1998-2013 Sourcefire, Inc., et al. Using libpcap version 1.5.3 Using PCRE version: 8.32 2012-11-30 Using ZLIB version: 1.2.7
[root@Centos7 ~]# cat eve.json{"timestamp":"2023-04-30T13:06:46.255425+0900","flow_id":868785597342197,"in_iface":"eth0","event_type":"alert","src_ip":"192.168.31.177","src_port":0,"dest_ip":"192.168.31.247","dest_port":0,"proto":"ICMP","icmp_type":8,"icmp_code":0,"alert":{"action":"allowed","gid":1,"signature_id":1000000,"rev":0,"signature":"ping-request","category":"","severity":3},"flow":{"pkts_toserver":108,"pkts_toclient":107,"bytes_toserver":7992,"bytes_toclient":7918,"start":"2023-04-30T13:04:58.025077+0900"},"payload_printable":"abcdefghijklmnopqrstuvwabcdefghi","stream":0}{"timestamp":"2023-04-30T13:06:46.255457+0900","flow_id":868785597342197,"in_iface":"eth0","event_type":"alert","src_ip":"192.168.31.247","src_port":0,"dest_ip":"192.168.31.177","dest_port":0,"proto":"ICMP","icmp_type":0,"icmp_code":0,"alert":{"action":"allowed","gid":1,"signature_id":1000001,"rev":0,"signature":"ping-response","category":"","severity":3},"flow":{"pkts_toserver":108,"pkts_toclient":108,"bytes_toserver":7992,"bytes_toclient":7992,"start":"2023-04-30T13:04:58.025077+0900"},"payload_printable":"abcdefghijklmnopqrstuvwabcdefghi","stream":0}
filter { mutate { remove_field => ["host", "path", "@version"] }
dissect { mapping => { "message" => '%{} [%{timestamp}] %{}' } }}
주기적으로 복습하면 그 주제를 더 잘 기억할 수 있다 - 5페이지
