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| Subject: | re: Systems compromised with ShellBOT perl script - part 2 |
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| Date: | Wed, 20 Oct 2004 17:14:27 +0100 (BST) |
On Wed, 20 Oct 2004 security@kemhosting.com wrote:
Today, hackers used the ShellBOT perl script to bring down Apache and start up their IRC listener. They (somehow) copied it into /tmp and executed it. This confuses me because I have my /tmp directory mounted rw,noexec,nosuid. Does Perl somehow bypass this?
Instead of running... $ /tmp/perlscript.pl they just have to run... $ perl /tmp/perlscript.pl Perl will read the file in /tmp, so no attempt is made to execute it directly. Regards, Jim Halfpenny
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