by zzzevazzz@ph4nt0m.org
用Base64编码数据，好处是压缩了大小（相对bin2str而言），缺点是增加处理时间和脚本复杂度。
由于效率瓶颈是在bat生成vbs这一步，所以总的来说还是合算了。
写文件用ADODB.Recordset，比debug好使多了。
大部分事都是脚本做的，批处理只是用echo来生成脚本而已。
echo版的好处是，全选复制粘贴到cmd shell里就把文件上传了。
'Any2Bat.vbs by zzzEVAzzz
on error resume next
set arg=wscript.arguments
if arg.count=0 then wscript.quit
with CreateObject("ADODB.Stream")
.type=1:.open:.loadfromfile arg(0):bs=.read:l=.size:.close
end with
if err.number<>0 then wscript.quit
set fso=CreateObject("Scripting.FileSystemObject")
with fso.opentextfile(arg(0)&".bat",2,true)
if err.number<>0 then wscript.quit
.writeline "@echo bs=_>xx.vbs"
for k=1 to l step 129
.write "@echo """
.write b64b(midb(bs,k,129))
.writeline """+_>>xx.vbs"
next
.writeline "@echo """":set rs=CreateObject(""ADODB.Recordset"")>>xx.vbs"
.writeline "@echo set ado=CreateObject(""ADODB.Stream"")>>xx.vbs"
.writeline "@echo l=len(bs):ss="""":for k=1 to l step 4096:ss=ss+ub64(mid(bs,k,4096)):next:l=len(ss)>>xx.vbs"
.writeline "@echo rs.fields.append ""b"",205,l/2:rs.open:rs.addnew:rs(""b"")=ss+chrb(0):rs.update>>xx.vbs"
.writeline "@echo ado.mode=3:ado.type=1:ado.open:ado.write rs(""b"").getchunk(l/2)>>xx.vbs"
.writeline "@echo ado.savetofile """+fso.getfilename(arg(0))+""",2:ado.close>>xx.vbs"
.writeline "@echo function ub64(s):dim t(4),b(3):ub64="""":n=len(s):r=2 >>xx.vbs"
.writeline "@echo if n mod 4^<^>0 then exit function:end if:for i=1 to n step 4:for j=0 to 3 >>xx.vbs"
.writeline "@echo a=asc(mid(s,i+j,1)):if a=43 then:a=62:else if a=47 then:a=63:else if a^>47 and a^<58 then:_>>xx.vbs"
.writeline "@echo a=a+4:else if a=61 then:a=0:if r=2 then r=j-2:end if:else if a^>64 and a^<91 then:_>>xx.vbs"
.writeline "@echo a=a-65:else if a^>96 and a^<123 then:a=a-71:else:exit function:_>>xx.vbs"
.writeline "@echo end if:end if:end if:end if:end if:end if:t(j)=a:next>>xx.vbs"
.writeline "@echo b(0)=t(0)+t(1)*64 mod 256:b(1)=t(1)4+t(2)*16 mod 256:b(2)=t(2)16+t(3)*4 >>xx.vbs"
.writeline "@echo for j=0 to r:if b(j)^<16 then ub64=ub64+""0"":end if:ub64=ub64+hex(b(j))>>xx.vbs"
.writeline "@echo next:next:end function>>xx.vbs&&cscript.exe //nologo xx.vbs&del xx.vbs"
end with
const b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
function b64b(bin)
b64b=""
n=lenb(bin)
for i=1 to n step 3
a=ascb(midb(bin,i,1))
b64b=b64b+mid(b64,a mod 64+1,1)
if i<n then
b=ascb(midb(bin,i+1,1))
b64b=b64b+mid(b64,(a64+b*4)mod 64+1,1)
if i+1<n then
c=ascb(midb(bin,i+2,1))
b64b=b64b+mid(b64,(b16+c*16)mod 64+1,1)
b64b=b64b+mid(b64,c4+1,1)
else
b64b=b64b+mid(b64,b16+1,1)
b64b=b64b+"="
end if
else
b64b=b64b+mid(b64,a64+1,1)
b64b=b64b+"=="
end if
next
end function
