bash/infect/hello

   1 #!/bin/sh
   2 skip=23
   3 set -C
   4 umask=`umask`
   5 umask 77
   6 tmpfile=`tempfile -p gztmp -d /tmp` || tmpfile=/tmp/gztmp.$$ || exit 1
   7 if /usr/bin/tail -n +$skip "$0" | /bin/gzip -cd >> $tmpfile; then
   8   umask $umask
   9   /bin/chmod 700 $tmpfile
  10   prog="`echo $0 | /bin/sed 's|^.*/||'`"
  11   if /bin/ln $tmpfile "/tmp/$prog" 2>/dev/null; then
  12     trap '/bin/rm -f $tmpfile "/tmp/$prog"; exit $res' 0
  13     (/bin/sleep 5; /bin/rm -f $tmpfile "/tmp/$prog") 2>/dev/null &
  14     /tmp/"$prog" ${1+"$@"}; res=$?
  15   else
  16     trap '/bin/rm -f $tmpfile; exit $res' 0
  17     (/bin/sleep 5; /bin/rm -f $tmpfile) 2>/dev/null &
  18     $tmpfile ${1+"$@"}; res=$?
  19   fi
  20 else
  21   echo Cannot decompress $0; exit 1
  22 fi; exit $res
  23 \1f\8b\b\bf#WG\ 2\ 3hello