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시스템은
FreeBSD 4.9 에서 약 1주일 전에 4.10 으로 세상만들기 했습니다.
- Apache 1.3.29
- php-4.3.7
- mysql-server4.0.1
- qpopper-4.0.5_1
- postfix-2.1.1,1
정도 설치 되있구요.. 쓸대없는 프로그램은 죄다 지운상태입니다.
그리고 깜빡하고 있다가 그저께 chkrootkit을 깔고 실행했더니.
감염된 파일이 3개가 검출됩니다. 이경우는 처음이라 왜그런지 선배님들의 도움을
요청합니다.
---------------------- chkrootkit 실행후 참조되실까해서 전부 긁었습니다.
-------------
Checking `amd'... not infected
Checking `basename'... not infected Checking `biff'... not infected Checking `chfn'... INFECTED Checking `chsh'... INFECTED Checking `cron'... not infected Checking `date'... INFECTED Checking `du'... not infected Checking `dirname'... not infected Checking `echo'... not infected Checking `egrep'... not infected Checking `env'... not infected Checking `find'... not infected Checking `fingerd'... not infected Checking `gpm'... not found Checking `grep'... not infected Checking `hdparm'... not found Checking `su'... not infected Checking `ifconfig'... not infected Checking `inetd'... not infected Checking `inetdconf'... not infected Checking `identd'... not found Checking `init'... not infected Checking `killall'... not infected Checking `ldsopreload'... not tested Checking `login'... not infected Checking `ls'... not infected Checking `lsof'... not found Checking `mail'... not infected Checking `mingetty'... not found Checking `netstat'... not infected Checking `named'... not infected Checking `passwd'... not infected Checking `pidof'... not found Checking `pop2'... not found Checking `pop3'... not found Checking `ps'... not infected Checking `pstree'... not found Checking `rpcinfo'... not infected Checking `rlogind'... not infected Checking `rshd'... not infected Checking `slogin'... not infected Checking `sendmail'... not infected Checking `sshd'... not infected Checking `syslogd'... not infected Checking `tar'... not infected Checking `tcpd'... not infected Checking `tcpdump'... not infected Checking `top'... not infected Checking `telnetd'... not infected Checking `timed'... not infected Checking `traceroute'... not infected Checking `vdir'... not found Checking `w'... not infected Checking `write'... not infected Checking `aliens'... no suspect files Searching for sniffer's logs, it may take a while... nothing found Searching for HiDrootkit's default dir... nothing found Searching for t0rn's default files and dirs... nothing found Searching for t0rn's v8 defaults... nothing found Searching for Lion Worm default files and dirs... nothing found Searching for RSHA's default files and dir... nothing found Searching for RH-Sharpe's default files... nothing found Searching for Ambient's rootkit (ark) default files and dirs... nothing found Searching for suspicious files and dirs, it may take a while... nothing found Searching for LPD Worm files and dirs... nothing found Searching for Ramen Worm files and dirs... nothing found Searching for Maniac files and dirs... nothing found Searching for RK17 files and dirs... nothing found Searching for Ducoci rootkit... nothing found Searching for Adore Worm... nothing found Searching for ShitC Worm... nothing found Searching for Omega Worm... nothing found Searching for Sadmind/IIS Worm... nothing found Searching for MonKit... nothing found Searching for Showtee... nothing found Searching for OpticKit... nothing found Searching for T.R.K... nothing found Searching for Mithra... nothing found Searching for OBSD rk v1... nothing found Searching for LOC rootkit ... nothing found Searching for Romanian rootkit ... nothing found Searching for Suckit rootkit ... nothing found Searching for Volc rootkit ... nothing found Searching for Gold2 rootkit ... nothing found Searching for TC2 Worm default files and dirs... nothing found Searching for Anonoying rootkit default files and dirs... nothing found Searching for ZK rootkit default files and dirs... nothing found Searching for ShKit rootkit default files and dirs... nothing found Searching for AjaKit rootkit default files and dirs... nothing found Searching for zaRwT rootkit default files and dirs... nothing found Searching for anomalies in shell history files... nothing found Checking `asp'... not infected Checking `bindshell'... not infected Checking `lkm'... nothing detected Checking `rexedcs'... not found Checking `sniffer'... fxp0 is not promisc Checking `w55808'... not infected Checking `wted'... nothing deleted Checking `scalper'... not infected Checking `slapper'... not infected Checking `z2'... nothing deleted -----------------------------------------------------------------------------------
혹시나 해킹이나 바이러스나 시스템 운영에 문제가 된다면 대처법도 부탁드립니다.
그리고 차한잔 마실 여유되시면^^; chkrootkit 이 어떤원리로 스캔을 하는지도
알려주시면
대단히 감사하겠습니다.
비록 장마지만 메일링리스트 유저 분들도 좋은 주말되시길..
아. 그리고. 로그파일에는 아파치 access 에 코드레드유형 IIS 쪽 시도 말곤
다괜찮았습니다.
( 뭐.. 어차피 해킹이라면 로그정도야 상관없겠지요.. )
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