gzexe加密shell脚本

gzexe加密shell脚本

[root@xifenfei tmp] # more xifenfei.sh

#!/usr/bin/ksh

echo 'xifenfei--' ` date `

[root@xifenfei tmp] # ./xifenfei.sh

xifenfei--Tue Mar 6 13:31:35 CST 2012

[root@xifenfei tmp] # ls -l xifenfei.sh

-rwxr-xr-x 1 root root 40 Mar  6 13:30 xifenfei.sh

--加密操作

[root@xifenfei tmp] # gzexe xifenfei.sh

xifenfei.sh:     -5.0%

[root@xifenfei tmp] # ls -l xifenfei.sh*

-rwxr-xr-x 1 root root 449 Mar  6 13:31 xifenfei.sh

-rwxr-xr-x 1 root root  40 Mar  6 13:30 xifenfei.sh~

--加密后文件内容

[root@xifenfei tmp] # strings xifenfei.sh

#!/bin/sh

skip=14

tmpdir=` /bin/mktemp -d ${TMPDIR:- /tmp } /gzexe .XXXXXXXXXX` || exit 1

prog= "${tmpdir}/`echo \"$0\" | sed 's|^.*/||'`"

if /usr/bin/tail -n +$skip "$0" | "/bin" /gzip - cd > "$prog" ; then

/bin/chmod 700 "$prog"

trap '/bin/rm -rf $tmpdir; exit $res' EXIT

"$prog" ${1+ "$@" }; res=$?

else

echo "Cannot decompress $0"

/bin/rm -rf $tmpdir

exit 1

fi ; exit $res

xifenfei.sh

UOHI,IM

这里的xifenfei.sh是加密后文件，xifenfei.sh~是源码文件(加密前文件)，只需要运行xifenfie.sh即可实现原脚本功能
优点:在大部分系统上均可运行，不用安装额外软件
缺点:破解容易,放君子不防小人