如何修改android模拟器上的IMEI、IMSI、SIM card serial number

如何修改android模拟器上的IMEI、IMSI、SIM card serial number  

2013-03-08 10:56:09|  分类： android逆向技巧|举报|字号 订阅

手机使用IMEI和IMSI登录到GSM网络的，由GSM网络侧负责将IMSI和映射成手机号(MSISDN)，以及执行相反方向的映射。

（一）、SIM card 号的修改：

SIM card号就是印制在SIM上的一串数字。

读SIM card号的AT命令为： AT+CRSM=176,12258,0,0,10

因此在andorid模拟其源码中找到该AT命令——在sim_card.c中：

const char* asimcard_io( ASimCard sim, const char* cmd ) { int nn; #if ENABLE_DYNAMIC_RECORDS int command, id, p1, p2, p3; #endif static const struct { const char* cmd; const char* answer; } answers[] = { { "+CRSM=192,28436,0,0,15", "+CRSM: 144,0,000000146f1404001aa0aa01020000" }, { "+CRSM=176,28436,0,0,20", "+CRSM: 144,0,416e64726f6964ffffffffffffffffffffffffff" }, { "+CRSM=192,28433,0,0,15", "+CRSM: 144,0,000000016f11040011a0aa01020000" }, { "+CRSM=176,28433,0,0,1", "+CRSM: 144,0,55" }, { "+CRSM=192,12258,0,0,15", "+CRSM: 144,0,0000000a2fe204000fa0aa01020000" }, { "+CRSM=176,12258,0,0,10", "+CRSM: 144,0,98101430121181157002" },

...

...

因此用UE二进制方式打开emulator-arm.exe 或 emulator-x86.exe，并搜索字符串“ 98101430121181157002”，然后将其修改成需要的SIM card号。

比如：

00209a00h: 31 30 00 00 2B 43 52 53 4D 3A 20 31 34 34 2C 30 ; 10..+CRSM: 144,0 00209a10h: 2C 39 38 31 30 31 34 33 30 31 32 31 31 38 31 31 ; ,981014301211811 00209a20h: 35 37 30 30 32 00 2B 43 52 53 4D 3D 31 39 32 2C ; 57002.+CRSM=192,

（二）、IMEI、IMSI号的修改：

Java代码中获取手机的IMEI号与ISMI号途径为：

TelephonyManager manager = (TelephonyManager)getSystemService(TELEPHONY_SERVICE);

String imei = manager.getDeviceId();

String imsi = manager.getSubscriberId();

在android的源码树中找到类 TelephonyManager的实现：

成员函数 getDeviceId：

/** * Returns the unique device ID, for example, the IMEI for GSM and the MEID * or ESN for CDMA phones. Return null if device ID is not available. * *

Requires Permission: * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} */ public String getDeviceId() { try { return getSubscriberInfo().getDeviceId(); } catch (RemoteException ex) { return null; } catch (NullPointerException ex) { return null; } }

成员函数 getSubscriberId：

/** * Returns the unique subscriber ID, for example, the IMSI for a GSM phone. * Return null if it is unavailable. *

* Requires Permission: * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE} */ public String getSubscriberId() { try { return getSubscriberInfo().getSubscriberId(); } catch (RemoteException ex) { return null; } catch (NullPointerException ex) { // This could happen before phone restarts due to crashing return null; } }

上面两个成员函数最终调用共同的一个私有成员函数getSubscriberInfo()：

private IPhoneSubInfo getSubscriberInfo() { // get it each time because that process crashes a lot return IPhoneSubInfo.Stub.asInterface(ServiceManager.getService("iphonesubinfo")); }

而上面私有函数 getSubscriberInfo获取的手机IMSI和IMEI号被硬编码在文件 android_modem.c中：

/* the Android GSM stack checks that the operator's name has changed
 * when roaming is on. If not, it will not update the Roaming status icon
 *
 * this means that we need to emulate two distinct operators:
 * - the first one for the 'home' registration state, must also correspond
 *   to the emulated user's IMEI
 *
 * - the second one for the 'roaming' registration state, must have a
 *   different name and MCC/MNC
 */

#define  OPERATOR_HOME_INDEX 0
#define  OPERATOR_HOME_MCC   310
#define  OPERATOR_HOME_MNC   260
#define  OPERATOR_HOME_NAME  "Android"
#define  OPERATOR_HOME_MCCMNC  STRINGIFY(OPERATOR_HOME_MCC) \
                               STRINGIFY(OPERATOR_HOME_MNC)

#define  OPERATOR_ROAMING_INDEX 1
#define  OPERATOR_ROAMING_MCC   310
#define  OPERATOR_ROAMING_MNC   295
#define  OPERATOR_ROAMING_NAME  "TelKila"
#define  OPERATOR_ROAMING_MCCMNC  STRINGIFY(OPERATOR_ROAMING_MCC) \
                                  STRINGIFY(OPERATOR_ROAMING_MNC)

/* a function used to deal with a non-trivial request */ typedef const char* (*ResponseHandler)(const char* cmd, AModem modem); static const struct { const char* cmd; /* command coming from libreference-ril.so, if first character is '!', then the rest is a prefix only */ const char* answer; /* default answer, NULL if needs specific handling or if OK is good enough */ ResponseHandler handler; /* specific handler, ignored if 'answer' is not NULL, NULL if OK is good enough */ } sDefaultResponses[] = { /* see onRadioPowerOn() */ { "%CPHS=1", NULL, NULL }, { "%CTZV=1", NULL, NULL }, ... { "!+VTS=", NULL, handleSetDialTone }, { "+CIMI", OPERATOR_HOME_MCCMNC "000000000", NULL }, /* request internation subscriber identification number */ { "+CGSN", "000000000000000", NULL }, /* request model version */ { "+CUSD=2",NULL, NULL }, /* Cancel USSD */

...

/* end of list */ {NULL, NULL, NULL}

};

因此用UE二进制方式打开emulator-arm.exe 或 emulator-x86.exe，并搜索字符串 "+CGSN"修改为需要的IMEI号；搜索"+CIMI"修改为需要的IMSI号。需要注意的是  IMSI  号的头六个数字"310260"不能修改，否则模拟器无法与网络连接。

例如：

001fc700h: 33 00 41 00 48 00 21 2B 56 54 53 3D 00 2B 43 49 ; 3.A.H.!+VTS=.+CI 001fc710h: 4D 49 00 33 31 30 32 36 30 30 30 30 30 30 30 30 ; MI.3102600000000 001fc720h: 30 30 00 2B 43 47 53 4E 00 30 30 30 30 30 30 30 ; 00.+CGSN.0000000 001fc730h: 30 30 30 30 30 30 30 30 00 2B 43 55 53 44 3D 32 ; 00000000.+CUSD=2

附录：

http://blog.codepainters.com/2010/09/06/android-emulator-and-the-sim-card-serial-number/

http://blog.codepainters.com/2009/12/11/android-imei-number-and-the-emulator/

https://www.anywi.com/3g/wiki/AtCommandIccid

AT+CGSN   获取GSM模块的IMEI号（国际移动设备标识）

AT+CIMI      获得ISMI（国际移动签署者标识）