@echo off
cls
echo Start test-script NTFS-limit
@echo Create a filepath to the limit of NTFS
md 
c:\temp\1234567890\1234567890\1234567890\1234567890\1234567890\1234567890
\1234567890\1234567890\1234567890\1234567890\1234567890\1234567890\12345
67890\1234567890\1234567890\1234567890\1234567890\1234567890\1234567890\
123456789
cd 
c:\temp\1234567890\1234567890\1234567890\1234567890\1234567890\1234567890
\1234567890\1234567890\1234567890\1234567890\1234567890\1234567890\12345
67890\1234567890\1234567890\1234567890\1234567890\1234567890\1234567890\
123456789
@echo Create the Eicar test-string for PoC. This should be detected normally if you 
have an active virusscanner.
echo 
X5O!P%%@AP[4\PZX54(P^^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*
>EICAR.TXT
echo. >>EICAR.TXT
@echo Activate the Eicar test-string
copy EICAR.TXT EICAR1.COM >NUL
@echo Create a subst-drive Q: for this path
subst Q: 
c:\temp\1234567890\1234567890\1234567890\1234567890\1234567890\1234567890
\1234567890\1234567890\1234567890\1234567890\1234567890\1234567890\12345
67890\1234567890\1234567890\1234567890\1234567890\1234567890\1234567890\
123456789
@echo Create e even deeper filepath (thus exceeding the limit of NTFS's explorer)
md Q:\1234567890\1234567890\1234567890
@echo Change current folder into "the deep"
Q:
cd Q:\1234567890\1234567890\1234567890
@echo Create the Eicar test-string
echo 
X5O!P%%@AP[4\PZX54(P^^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*
>EICAR.TXT
echo. >>EICAR.TXT
@echo Activate the Eicar test-string
copy EICAR.TXT EICAR2.COM >NUL
EICAR2.COM
echo .
echo End of test-script