Rating:
# Key mission
>The secretary of earth defense has been kidnapped. We have sent our elite team on the enemy's base to find his location. Our team only managed to intercept this traffic. Your mission is to retrieve secretary's hidden location.
firstly extracted the values by
```
tshark -r key_mission.pcap -T fields -e usb.capdata | tr -d : > test.txt
python test.py test.txt
```
used the following code from [here](https://blog.stayontarget.org/2019/03/decoding-mixed-case-usb-keystrokes-from.html)
```
#!/usr/bin/python
# coding: utf-8
from __future__ import print_function
import sys,os
#declare -A lcasekey
lcasekey = {}
#declare -A ucasekey
ucasekey = {}
#associate USB HID scan codes with keys
#ex: key 4 can be both "a" and "A", depending on if SHIFT is held down
lcasekey[4]="a"; ucasekey[4]="A"
lcasekey[5]="b"; ucasekey[5]="B"
lcasekey[6]="c"; ucasekey[6]="C"
lcasekey[7]="d"; ucasekey[7]="D"
lcasekey[8]="e"; ucasekey[8]="E"
lcasekey[9]="f"; ucasekey[9]="F"
lcasekey[10]="g"; ucasekey[10]="G"
lcasekey[11]="h"; ucasekey[11]="H"
lcasekey[12]="i"; ucasekey[12]="I"
lcasekey[13]="j"; ucasekey[13]="J"
lcasekey[14]="k"; ucasekey[14]="K"
lcasekey[15]="l"; ucasekey[15]="L"
lcasekey[16]="m"; ucasekey[16]="M"
lcasekey[17]="n"; ucasekey[17]="N"
lcasekey[18]="o"; ucasekey[18]="O"
lcasekey[19]="p"; ucasekey[19]="P"
lcasekey[20]="q"; ucasekey[20]="Q"
lcasekey[21]="r"; ucasekey[21]="R"
lcasekey[22]="s"; ucasekey[22]="S"
lcasekey[23]="t"; ucasekey[23]="T"
lcasekey[24]="u"; ucasekey[24]="U"
lcasekey[25]="v"; ucasekey[25]="V"
lcasekey[26]="w"; ucasekey[26]="W"
lcasekey[27]="x"; ucasekey[27]="X"
lcasekey[28]="y"; ucasekey[28]="Y"
lcasekey[29]="z"; ucasekey[29]="Z"
lcasekey[30]="1"; ucasekey[30]="!"
lcasekey[31]="2"; ucasekey[31]="@"
lcasekey[32]="3"; ucasekey[32]="#"
lcasekey[33]="4"; ucasekey[33]="$"
lcasekey[34]="5"; ucasekey[34]="%"
lcasekey[35]="6"; ucasekey[35]="^"
lcasekey[36]="7"; ucasekey[36]="&"
lcasekey[37]="8"; ucasekey[37]="*"
lcasekey[38]="9"; ucasekey[38]="("
lcasekey[39]="0"; ucasekey[39]=")"
lcasekey[40]="Enter"; ucasekey[40]="Enter"
lcasekey[41]="esc"; ucasekey[41]="esc"
lcasekey[42]="del"; ucasekey[42]="del"
lcasekey[43]="tab"; ucasekey[43]="tab"
lcasekey[44]="space"; ucasekey[44]="space"
lcasekey[45]="-"; ucasekey[45]="_"
lcasekey[46]="="; ucasekey[46]="+"
lcasekey[47]="["; ucasekey[47]="{"
lcasekey[48]="]"; ucasekey[48]="}"
lcasekey[49]="\\"; ucasekey[49]="|"
lcasekey[50]=" "; ucasekey[50]=" "
lcasekey[51]=";"; ucasekey[51]=":"
lcasekey[52]="'"; ucasekey[52]="\""
lcasekey[53]="`"; ucasekey[53]="~"
lcasekey[54]=","; ucasekey[54]="<"
lcasekey[55]="."; ucasekey[55]=">"
lcasekey[56]="/"; ucasekey[56]="?"
lcasekey[57]="CapsLock"; ucasekey[57]="CapsLock"
lcasekey[79]="RightArrow"; ucasekey[79]="RightArrow"
lcasekey[80]="LeftArrow"; ucasekey[80]="LeftArrow"
lcasekey[84]="/"; ucasekey[84]="/"
lcasekey[85]="*"; ucasekey[85]="*"
lcasekey[86]="-"; ucasekey[86]="-"
lcasekey[87]="+"; ucasekey[87]="+"
lcasekey[88]="Enter"; ucasekey[88]="Enter"
lcasekey[89]="1"; ucasekey[89]="1"
lcasekey[90]="2"; ucasekey[90]="2"
lcasekey[91]="3"; ucasekey[91]="3"
lcasekey[92]="4"; ucasekey[92]="4"
lcasekey[93]="5"; ucasekey[93]="5"
lcasekey[94]="6"; ucasekey[94]="6"
lcasekey[95]="7"; ucasekey[95]="7"
lcasekey[96]="8"; ucasekey[96]="8"
lcasekey[97]="9"; ucasekey[97]="9"
lcasekey[98]="0"; ucasekey[98]="0"
lcasekey[99]="."; ucasekey[99]="."
#make sure filename to open has been provided
if len(sys.argv) == 2:
keycodes = open(sys.argv[1])
for line in keycodes:
#dump line to bytearray
bytesArray = bytearray.fromhex(line.strip())
#see if we have a key code
val = int(bytesArray[2])
if val > 3 and val < 100:
#see if left shift or right shift was held down
if bytesArray[0] == 0x02 or bytesArray[0] == 0x20 :
print(ucasekey[int(bytesArray[2])], end=''), #single line output
#print(ucasekey[int(bytesArray[2])]) #newline output
else:
print(lcasekey[int(bytesArray[2])], end=''), #single line output
#print(lcasekey[int(bytesArray[2])]) #newline output
else:
print("USAGE: python %s [filename]" % os.path.basename(__file__))
```
>CHTB{a_place=3deldel-3deldel_3deldeldel3_fAr_fAar_awway_ffr0m_eearth}
but i had to actually DEL from the left side of each "del", also there was an extra "a" in "FAar"
>CHTB{a_plac3_fAr_fAr_awway_ffr0m_eearth}
[BL4CKC0FF33 ☕](https://github.com/BL4CKC0FF33/)
