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저희 사이트가 해킹을 당한것 같아..문의를 드립니다. 아침에 출근해 보니.. 사이트가 뜨질 않아. 체크를 해보니 httpd.conf가 변형되어 있고.. 다음 아래와 같이 로그화일에 저희와 관련이 없는 ip들이 접속했더군요.. 추적을 해보니 캐나다 미국 이쪽인데.. 현재.. 어떤게 대처를 해야 할지 모르겠습니다. 현재 시스템을 깨끗이 밀고.. 다시 까는 방법이 있지만. 나중에 또 이런일이 발생할게 뻔한데.. 이렇게 되풀이된다면.. 그리고. 전에 ssh-2.3.0-rpm을 깐적이 있는데.. 이것에 어떤 조작을 해 놓아서 그런건 아닌지 의심이 갑니다. 그런 사례나, 해킹에 대한 관련 문의를 할수 있는 사이트를 알고 계시면.. 부탁드리겠습니다. /var/log/secure Jan 7 05:45:10 test in.telnetd[2320]: connect from 193.231.60.133 Jan 7 06:46:32 test in.telnetd[2342]: connect from 193.231.60.133 Jan 7 06:55:26 test in.telnetd[2348]: connect from 193.231.60.133 Jan 7 07:00:29 test in.telnetd[2352]: connect from 193.231.60.133 Jan 7 19:27:04 test in.ftpd[7813]: connect from 24.226.190.13 /var/log/message Jan 5 23:00:38 test PAM_pwdb[26794]: (login) session closed for user oracle Jan 5 23:00:38 test inetd[476]: pid 26793: exit status 1 Jan 5 23:00:49 test sshd2[26654]: Local disconnected: Connection closed. Jan 5 23:00:49 test sshd2[26654]: connection lost: 'Connection closed.' Jan 5 23:00:49 test 1월 5 23:00:49 PAM_pwdb[26694]: (su) session closed for user root Jan 6 04:02:00 test anacron[27178]: Updated timestamp for job `cron.daily' to 2001-01-06 Jan 6 04:04:48 test PAM_pwdb[27291]: (su) session opened for user news by (uid=0) Jan 6 04:04:48 test PAM_pwdb[27291]: (su) session closed for user news Jan 6 09:29:54 test ftpd[27455]: lost connection to 211.203.134.101 [211.203.134.101] Jan 6 09:29:54 test ftpd[27455]: FTP session closed Jan 6 09:29:54 test inetd[476]: pid 27455: exit status 255 Jan 7 19:26:53 test sshd[7811]: log: Generating 768 bit RSA key. Jan 7 19:26:54 test sshd[7811]: log: RSA key generation complete. Jan 7 19:26:54 test sshd[7811]: log: Connection from 24.226.190.13 port 1022 Jan 7 19:26:55 test sshd[7811]: fatal: Connection closed by remote host. n 7 19:27:14 test ftpd[7813]: FTP session closed Jan 7 19:27:23 test sshd2[7629]: connection from "24.226.190.13" Jan 7 19:27:23 test sshd[7814]: log: Generating 768 bit RSA key. Jan 7 19:27:23 test sshd[7814]: log: RSA key generation complete. Jan 7 19:27:23 test sshd[7814]: log: Connection from 24.226.190.13 port 1021 Jan 7 19:27:28 test sshd[7814]: log: Closing connection to 24.226.190.13 Jan 7 20:06:30 test sshd2[7629]: connection from "211.39.150.44" Jan 7 20:06:30 test sshd2[7866]: DNS lookup failed for "211.39.150.44". Jan 7 20:06:30 test sshd[7866]: log: Generating 768 bit RSA key. Jan 7 20:06:31 test sshd[7866]: log: RSA key generation complete. Jan 7 20:06:31 test sshd[7866]: log: Connection from 211.39.150.44 port 1023 Jan 7 20:06:34 test sshd[7866]: log: Closing connection to 211.39.150.44 Jan 8 04:02:00 test anacron[8078]: Updated timestamp for job `cron.daily' to 2001-01-08 Jan 8 04:02:42 test PAM_pwdb[8192]: (su) session opened for user news by (uid=0) Jan 8 04:02:42 test PAM_pwdb[8192]: (su) session closed for user news Jan 8 08:02:54 test sshd2[7629]: connection from "211.52.242.146" Jan 8 08:02:58 test sshd2[8330]: DNS lookup failed for "211.52.242.146". Jan 8 08:02:58 test sshd[8330]: log: Generating 768 bit RSA key. Jan 8 08:02:59 test sshd[8330]: log: RSA key generation complete. Jan 8 08:02:59 test sshd[8330]: log: Connection from 211.52.242.146 port 1023 Jan 8 08:03:03 test sshd[8330]: log: Closing connection to 211.52.242.146--끝까지 읽어주셔서 감사합니다.
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