ld library problem

Question

I am getting the below error while checking status of any service or stoping starting any server on my linux server. Its CentOS-5.4 server.

sh: /usr/bin/(swapd): /lib/ld-linux.so.1: bad ELF interpreter: No such file or directory

I have checked ls -l /lib/ld* and below is the o/p

-rwxr-xr-x   1 root     root       129832 Oct 25 19:16 ld-2.5.so
lrwxrwxrwx   1 root     root            9 Nov 24 02:14 ld-linux.so.2 -> ld-2.5.so
lrwxrwxrwx   1 root     root           13 Nov 24 02:14 ld-lsb.so.3 -> ld-linux.so.2

Answer 1

Sorry, your system is hacked.

/usr/bin/(swapd) is a trojan/exploit that links to the ancient, pre-glibc libc5 which CentOS 5 doesn't have.