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WordPress に不正アクセスしにくるので対処

Posted at

2018/3/1


サイト「 ****** 」の新規ユーザー登録:

ユーザー名: aji*****co

メールアドレス: era****ye@asas.domailnew.com


サーバにログインして、apacheのアクセスログを調べる。


91.200.12.7 - - [01/Mar/2018:02:24:44 +0000] "GET /wp-login.php?action=rp HTTP/1.0" 200 4724 "http://**********/wp-login.php?action=rp" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 YaBrowser/17.10.0.2017 Yowser/2.5 Safari/537.36"
91.200.12.7 - - [01/Mar/2018:02:24:45 +0000] "POST /wp-login.php?action=resetpass HTTP/1.0" 200 1721 "http://**********/wp-login.php?action=rp" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 YaBrowser/17.10.0.2017 Yowser/2.5 Safari/537.36"
91.200.12.7 - - [01/Mar/2018:02:59:59 +0000] "POST /wp-login.php HTTP/1.0" 302 384 "http://**********/bbp-register/" "Mozilla/5.0 (Windows NT 7.0; WOW64; rv:33.1) Gecko/20100101 Firefox/33.1"
91.200.12.7 - - [01/Mar/2018:03:00:02 +0000] "POST /wp-login.php HTTP/1.0" 200 4049 "http://**********/bbp-register/?checkemail=registered" "Mozilla/5.0 (Windows NT 7.0; WOW64; rv:33.1) Gecko/20100101 Firefox/33.1"
91.200.12.7 - - [01/Mar/2018:03:16:01 +0000] "POST /wp-login.php HTTP/1.0" 302 384 "http://**********/bbp-register/" "Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36"
91.200.12.7 - - [01/Mar/2018:03:16:03 +0000] "POST /wp-login.php HTTP/1.0" 200 4045 "http://**********/bbp-register/?checkemail=registered" "Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36"

このアドレスのURLは?



nanbuwks@LATITUDE:~$ dig -x 91.200.12.7

; <<>> DiG 9.10.3-P4-Ubuntu <<>> -x 91.200.12.7
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4262
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;7.12.200.91.in-addr.arpa.	IN	PTR

;; ANSWER SECTION:
7.12.200.91.in-addr.arpa. 3600	IN	PTR	dsystemip5.vhoster.org.

;; Query time: 192 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Mar 01 11:34:12 JST 2018
;; MSG SIZE  rcvd: 89

ということで、このアドレスをブラウザで開くと真っ赤っ赤。

image

時間があるときに、どんな攻撃コードが降ってくるか調べてみたいところです。

今回は、安直に該当アドレスをフィルタリングして様子見。

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