Re: gmonstart / jvregisterclasses in tons of binaries with commands,malware?

Ned Ludd <[email protected]> Thu, 17 Dec 2009 03:14:50 -0800
Newsgroups gmane.linux.gentoo.security
Message-ID <1261048490.5675.4.camel@localhost>
On Wed, 2009-12-16 at 21:06 -0500,
[email protected] wrote:
> In linux binaries, in any linux distro, I've discovered the same strings
> which I believe may be due to a virus or trojan.
> 
> Yet, clamav, rkhunter, chkrootkit do not detect abnormalities.
there is none. And I don't think any of the above mention tools actually
will dig as deep as symbols of an ELF.

> Whether I run 'strings' on the binary files or view with vim or gedit, here
> is what is always seen inside the binaries:
> 
> 
> __gmon_start__
> _Jv_RegisterClasses

These symbols are normal and nothing to really get over paranoid about.
Some years ago I had a patch for uClibc/gcc where I removed the _Jv_R..
weak symbol, but in the end it was not worth it. 
There is no attack vector there.