rkhunter 로 검사 했을 때 MD5 checksum 값이 서로 다르면

일단 해킹을 의심해 봐야 하는 건가요?

CentOS release 4.4 (Final)

2.6.9-42.0.8.ELsmp #1 SMP Tue Jan 30 12:33:47 EST 2007 i686 i686 i386 GNU/Linux

리눅스 버전과 배포 버전은 위와 같습니다.

* System tools
Info: prelinked files found
  Performing 'known good' check...
   /bin/cat                                                   [ OK ]
   /bin/chmod                                                 [ OK ]
   /bin/chown                                                 [ OK ]
   /bin/date                                                  [ OK ]
   /bin/dmesg                                                 [ OK ]
   /bin/env                                                   [ OK ]
   /bin/grep                                                  [ OK ]
   /bin/kill                                                  [ BAD ]

---------------------------- Scan results ----------------------------

MD5 scan
Scanned files: 54
Incorrect MD5 checksums: 1

File scan
Scanned files: 342
Possible infected files: 0

Application scan
Vulnerable applications: 2

Scanning took 45 seconds

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결과 값은 위와 같습니다.

실제 kill 명령어를 확인해보았습니다만, 서버 설치된 때와 시간적 차이는 거의 없어서, 동일한 시간대에서 설치된것으로 보입니다.

그냥 무시해도 될만한 경고인가요?