SetEnvIf Request_URI "winnt/system32/cmd\.exe" worm
# etc ...
CustomLog "|exec sh" "/sbin/route -nq add -host %a 127.0.0.1 -blackhole" env=worm


##</code><code>##

$/  =  q#(\w)#  ;  sub  sig { print scalar reverse  join  ' ',  @_  }  sig
map { s$\$/\$/$\$2\$1$g && $_ } split( ' ', ",erckha rlPe erthnoa stJu" );