Bonus attack? Add a comment in the attack command will not be noticed. If this is a script to get root privileges, most of the ids systems are robust enough to detect different attacks. This species has been discussed 4,5,6,7. 11. Use different commands to accomplish the same function. For example, usually in the unix shell in the "echo *" is equivalent to "ls". When attacking the system, either natural need to run "tprof" and the like. Even on another system just to compile it into operation "trpof" binaries, many ids systems such as Stalker, SeOS will find from non-privileged user to change user privileges.
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