백도어 검사 (chrootkit)

wget -P /root/src/  http://tcs-down.simplexi.com/teamuser/spchoi/chkrootkit.tar.gz

cd /root/src; tar zxvf chkrootkit.tar.gz

cd chkrootkit-0.53

make sense

 

./chkrootkit

 

 

 

* 아래와 같은 오류가 나온다면

 

cc -DHAVE_LASTLOG_H -o chklastlog chklastlog.c

cc -DHAVE_LASTLOG_H -o chkwtmp chkwtmp.c

cc -DHAVE_LASTLOG_H   -D_FILE_OFFSET_BITS=64 -o ifpromisc ifpromisc.c

cc  -o chkproc chkproc.c

cc  -o chkdirs chkdirs.c

cc  -o check_wtmpx check_wtmpx.c

cc -static  -o strings-static strings.c

/usr/bin/ld: cannot find -lc

collect2: ld returned 1 exit status

make: *** [strings-static] Error 1

 

# yum install glibc-static

 

glibc-static 를 설치해준다.

 

다시

 

# make sense 하면 된다.

 

cc -DHAVE_LASTLOG_H -o chklastlog chklastlog.c

cc -DHAVE_LASTLOG_H -o chkwtmp chkwtmp.c

cc -DHAVE_LASTLOG_H   -D_FILE_OFFSET_BITS=64 -o ifpromisc ifpromisc.c

cc  -o chkproc chkproc.c

cc  -o chkdirs chkdirs.c

cc  -o check_wtmpx check_wtmpx.c

cc -static  -o strings-stati