谁给讲一下下面这段exe2bat

@echo off
echo q | debug>nul
echo Bj@jzh`0X-`/PPPPPPa(DE(DM(DO(Dh(Ls(Lu(LX(LeZRR]EEEUYRX2Dx=>sleep.com
echo 0DxFP,0Xx.t0P,=XtGsB4o@$?PIyU WwX0GwUY Wv;ovBX2Gv0ExGIuht6>>sleep.com
echo T}{z~~@GwkBG@OEKcUt`~}@MqqBsy?seHB~_Phxr?@zAB`LrPEyoDt@Cj?>>sleep.com
echo pky_jN@QEKpEt@ij?jySjN@REKpEt@jj?jyGjN@SEKkjtlGuNw?p@pjirz>>sleep.com
echo LFvAURQ?OYLTQ@@?~QCoOL~RDU@?aU?@{QOq?@}IKuNWpe~FpeQFwH?Vkk>>sleep.com
echo _GSqoCvH{OjeOSeIQRmA@KnEFB?p??mcjNne~B?M??QhetLBgBPHexh@e=>>sleep.com
echo EsOgwTLbLK?sFU`?LDOD@@K@xO?SUudA?_FKJ@N?KD@?UA??O}HCQOQ??R>>sleep.com
echo _OQOL?CLA?CEU?_FU?UAQ?UBD?LOC?ORO?UOL?UOD?OOI?UgL?LOR@YUO?>>sleep.com
echo dsmSQswDOR[BQAQ?LUA?_L_oUNUScLOOuLOODUO?UOE@OwH?UOQ?DJTSDM>>sleep.com
echo QTqrK@kcmSULkPcLOOuLOOFUO?hwDTqOsTdbnTQrrDsdFTlnBTm`lThKcT>>sleep.com
echo @dmTkRQSoddTT~?K?OCOQp?o??Gds?wOw?PGAtaCHQvNntQv_w?A?it\EH>>sleep.com
echo {zpQpKGk?Jbs?FqokOH{T?jPvP@IQBDFAN?OHROL?Kj??pd~aN?OHROd?G>>sleep.com
echo Q??PGT~B??OC~?ipO?T?~U?p~cUo0x>>sleep.com
sleep.com>sleep.exe
echo wait %1 seconds:
sleep.exe %1000
del sleep.com
del sleep.exe

一段代码首先定向到sleep.com，这个程序是一个ＤＯＳ　１６位的应用程序，使用ＤＯＳ功能调用，对编码的内容进行控制台输出，然后输出的结果再定向到sleep.exe中，生成真正的ｗｉｎｄｏｗｓ程序。
这种编码的好处是不依赖debug程序就可以还原一个ｅｘｅ文件。而且比使用ｄｅｂｕｇ还原exe 批处理文件的大小要小很多。编码的风格类似于缓冲区溢出采用的特殊编码格式，目标是把不可视变成可视字符。回避特殊字符，不过sleep.com 汇编代码比较难懂，谁给分析一下。