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[原创]某加固系统运行信息获取frida 脚本
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2021-2-12 12:21 8470
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某加固系统运行信息获取frida 脚本，具体使用请自行探索。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 | /*Get xxxjiagu info Script by fxyang 辛丑年正月初一 */var ishook_libart = false;var new_so_base = 0;var new_so_size = 0;var JNI_RegisterNatives_array = [];var jiagu_sdk = [];var hook_call_addr = [];var jiagu_vmp = [];var addrmemcpy = Module.findExportByName("libc.so", "memcpy");var addrmalloc = Module.findExportByName("libc.so", "malloc");var addrmmap = Module.findExportByName("libc.so", "mmap");var mprotect = Module.findExportByName("libc.so", "mprotect");var addrstrstr = Module.findExportByName("libc.so", "strstr");var addrstrlen = Module.findExportByName("libc.so", "strlen");var addrdlopen = Module.findExportByName("libc.so","dlopen");var addruncompress = Module.findExportByName('libz.so', 'uncompress');var addrpthread_create = Module.findExportByName("libc.so", "pthread_create");var addrstrdup = Module.findExportByName("libc.so","strdup");var k = 1;var new_so_dump = 0;var n = 0;var str_flag = 0;var up_flag = 0;var app_activity = 0;var App_Activity_str = "";var App_Activity = "";var dex_up_flag = 0;var jiagu_end = 0;var packname_flag = 1;var pkg_name ="";var pathDir = "";var so_dump = 0;var oat_dump = 0;var so_data_k = 0;var new_so_pht = 0;var new_so_dyn = 0;var new_so_pltrel = 0;var new_so_dynrel = 0;var new_so_pltrel_size = 0;var vmp_fun_addr = 0;function get_pkg_dir() { var fileclass = Java.use("java.io.File"); var mysavePath = "/data/data/" + pkg_name + "/mydump"; pathDir = fileclass.$new(mysavePath); if (!pathDir.exists()) { pathDir.mkdirs(); }}function find_vmp_fun() { // 这个函数过于敏感，故隐去代码，需要的自己去获取vmp主函数地址填充。 vmp_fun_addr = 0;}if (mprotect != 0) { Interceptor.attach((mprotect), { onEnter: function (args) { if (up_flag == 1) { // get new so base and size if (args[1] > 0x10000) { new_so_base = args[0]; new_so_size = args[1]; console.log("new_so_base:", new_so_base, "base_size:", new_so_size); up_flag = 0; new_so_dump = 1; } } if (dex_up_flag == 1) { if (args[2] == 7) { var oat_base = args[0]; var oat_size = parseInt(args[1]); console.log('find oat addr is', oat_base, "oat size is ", oat_size); var file_path = pathDir + "/dump_" + oat_base.toString() + ".oat"; var file_handle = new File(file_path, "wb"); if (file_handle) { Memory.protect(ptr(oat_base), oat_size, 'rwx'); var oat_buffer = ptr(oat_base).readByteArray(oat_size); file_handle.write(oat_buffer); file_handle.flush(); file_handle.close(); console.log("[dump oat in]:" + file_path); } oat_dump += 1; } } } })}if (addruncompress != 0) { Interceptor.attach((addruncompress), { onEnter: function (args) { if (new_so_base == 0) { up_flag = 1; n = 1; } } })}if (addrstrlen != 0) { Interceptor.attach((addrstrlen), { onEnter: function (args) { if (str_flag == 11) { var str_len = Memory.readCString(args[0]); if (str_len.length > 10){ console.log("string len is",str_len); } } if (app_activity == 1){ // Get APP Activity Entry if (Memory.readCString(args[0]) == "activityName"){ console.log("App_Application_Entry is:",App_Activity_str); app_activity = 0; App_Activity = App_Activity_str; } App_Activity_str = Memory.readCString(args[0]); dex_up_flag = 0; str_flag = 0; } if(jiagu_end == 1){ console.log("================== The APP xxx jiagu info =================="); console.log(""); console.log("App_Application_Entry is:",App_Activity); console.log("dump save path is ", pathDir); if(so_dump == 1){ console.log("xxx_jiagu_so dump over"); } if(oat_dump > 0){ console.log("The App oat_dex dump:",oat_dump); } if (JSON.stringify(jiagu_sdk).indexOf(JSON.stringify("onCreate")) != -1){ console.log("The App find ocCreate VMP"); } if (JSON.stringify(jiagu_sdk).indexOf(JSON.stringify("interface11"))!= -1){ console.log("The App find interface11 sdk!"); } if(JSON.stringify(jiagu_sdk).indexOf(JSON.stringify("mark"))!= -1){ console.log("The App find mark sdk!"); } console.log(""); console.log("======================= xxx jiagu end ======================="); jiagu_end = 0; } } })}if (addrstrdup != 0) { Interceptor.attach((addrstrdup), { onEnter: function (args) { if (k == 1) { var str = Memory.readCString(args[0]); console.log("copy string is :", str); if (packname_flag == 1){ if(str.startsWith("/data/app/com")){ var pkg_name_str = str.split("/")[3]; pkg_name = pkg_name_str.split("-")[0]; console.log("pkg_name is:", pkg_name); packname_flag = 0; get_pkg_dir(); } } } } })}if (addrstrstr != 0) { Interceptor.attach((addrstrstr), { onEnter: function (args) { if (str_flag == 1) { var str = Memory.readCString(args[0]); var str1 = Memory.readCString(args[1]); console.log("string in str :", str,str1); } } })}if (addrmemcpy != 0) { Interceptor.attach((addrmemcpy), { onEnter: function (args) { if (new_so_dump == 1) { var file_path = pathDir + "/dump_knso_" + new_so_base + ".so"; var file_handle = new File(file_path, "wb"); if (file_handle) { Memory.protect(ptr(new_so_base), parseInt(new_so_size), 'rwx'); var oat_buffer = ptr(new_so_base).readByteArray(parseInt(new_so_size)); file_handle.write(oat_buffer); file_handle.flush(); file_handle.close(); console.log("[dump kn so in]:" + file_path); } find_vmp_fun(); new_so_dump = 0 } if (n == 1) { console.log("memcpy-->src,dest,len:",args[1],args[0],args[2]); if(args[2]== 0x100){ so_data_k = 5; new_so_pht = args[0] } else if(args[2] == 0xb4){ n = 0; var file_path = pathDir + "/dump_pht_" + new_so_pht + ".dat"; // console.log("begin save so dat!",file_path); var file_handle = new File(file_path, "wb"); if (file_handle) { Memory.protect(ptr(new_so_pht), 0x100, 'rwx'); var oat_buffer = ptr(new_so_pht).readByteArray(0x100); file_handle.write(oat_buffer); file_handle.flush(); file_handle.close(); console.log("[dump pht dat in]:" + file_path); } var file_path = pathDir + "/dump_dyn_" + new_so_dyn + ".dat"; var file_handle = new File(file_path, "wb"); if (file_handle) { Memory.protect(ptr(new_so_dyn), 0xd8, 'rwx'); var oat_buffer = ptr(new_so_dyn).readByteArray(0xd8); file_handle.write(oat_buffer); file_handle.flush(); file_handle.close(); console.log("[dump dyn dat in]:" + file_path); } var file_path = pathDir + "/dump_pltrel_" + new_so_pltrel + ".dat"; var file_handle = new File(file_path, "wb"); if (file_handle) { Memory.protect(ptr(new_so_pltrel), new_so_pltrel_size, 'rwx'); var oat_buffer = ptr(new_so_pltrel).readByteArray(new_so_pltrel_size); file_handle.write(oat_buffer); file_handle.flush(); file_handle.close(); console.log("[dump pltrel dat in]:" + file_path); } var file_path = pathDir + "/dump_dynrel_" + new_so_dynrel + ".dat"; var file_handle = new File(file_path, "wb"); if (file_handle) { Memory.protect(ptr(new_so_dynrel), 0x4a58, 'rwx'); var oat_buffer = ptr(new_so_dynrel).readByteArray(0x4a58); file_handle.write(oat_buffer); file_handle.flush(); file_handle.close(); console.log("[dump dynrel dat in]:" + file_path); } var file_path = pathDir + "/dump_newso_" + new_so_base + ".so"; var file_handle = new File(file_path, "wb"); if (file_handle) { Memory.protect(ptr(new_so_base), parseInt(new_so_size), 'rwx'); var oat_buffer = ptr(new_so_base).readByteArray(parseInt(new_so_size)); file_handle.write(oat_buffer); file_handle.flush(); file_handle.close(); console.log("[dump new so in]:" + file_path); so_dump = 1; } } else if (so_data_k > 0){ if (so_data_k == 1){ var size_buff = args[0].sub(new_so_base); new_so_size = size_buff.add(args[2]); console.log("new_so_size is :",new_so_size); } else if (args[2] > 0xd0){ if (args[2] == 0xd8){ new_so_dyn = args[0]; so_data_k -= 1; } else if(args[2] > 0x800 && args[2] < 0x1000){ new_so_pltrel = args[0]; new_so_pltrel_size = parseInt(args[2]); so_data_k -= 1; } else if (args[2] > 0x4000 && args[2] < 0x5000){ new_so_dynrel = args[0]; so_data_k -= 1; } else { so_data_k -= 1; } } } } }, onLeave: function (letval) { } })}function hook_libart() { if (ishook_libart === true) { return; } var symbols = Module.enumerateSymbolsSync("libart.so"); var addrCheckcakkArgs = null; var addrGetStringUTFChars = null; var addrNewStringUTF = null; var addrFindClass = null; var addrGetMethodID = null; var addrGetStaticMethodID = null; var addrGetFieldID = null; var addrGetStaticFieldID = null; var addrRegisterNatives = null; var addrAllocObject = null; var addrCallObjectMethod = null; var addrGetObjectClass = null; var addrReleaseStringUTFChars = null; var addCallStaticObjectMethodV = null; var addCallObjectMethodV = null; var addCallStaticbooleanMethodV = null; var class_name = null; var vmp_hook = null; var GetOpcode_flag = null; var vmp_dex_data = []; var vmp_opcode_index_v = []; var vmp_opcode_v = []; var vmp_code_len = []; for (var i = 0; i < symbols.length; i++) { var symbol = symbols[i]; if (symbol.name == "_ZN3art3JNI17GetStringUTFCharsEP7_JNIEnvP8_jstringPh") { addrGetStringUTFChars = symbol.address; console.log("GetStringUTFChars is at ", symbol.address, symbol.name); } else if (symbol.name == "_ZN3art3JNI12NewStringUTFEP7_JNIEnvPKc") { addrNewStringUTF = symbol.address; console.log("NewStringUTF is at ", symbol.address, symbol.name); } else if (symbol.name == "_ZN3art3JNI9FindClassEP7_JNIEnvPKc") { addrFindClass = symbol.address; console.log("FindClass is at ", symbol.address, symbol.name); } else if (symbol.name == "_ZN3art3JNI11GetMethodIDEP7_JNIEnvP7_jclassPKcS6_") { addrGetMethodID = symbol.address; console.log("GetMethodID is at ", symbol.address, symbol.name); } else if (symbol.name == "_ZN3art3JNI17GetStaticMethodIDEP7_JNIEnvP7_jclassPKcS6_") { addrGetStaticMethodID = symbol.address; console.log("GetStaticMethodID is at ", symbol.address, symbol.name); } else if (symbol.name == "_ZN3art3JNI10GetFieldIDEP7_JNIEnvP7_jclassPKcS6_") { addrGetFieldID = symbol.address; console.log("GetFieldID is at ", symbol.address, symbol.name); } else if (symbol.name == "_ZN3art3JNI16GetStaticFieldIDEP7_JNIEnvP7_jclassPKcS6_") { addrGetStaticFieldID = symbol.address; console.log("GetStaticFieldID is at ", symbol.address, symbol.name); } else if (symbol.name == "_ZN3art3JNI15RegisterNativesEP7_JNIEnvP7_jclassPK15JNINativeMethodi") { addrRegisterNatives = symbol.address; console.log("RegisterNatives is at ", symbol.address, symbol.name); } else if (symbol.name.indexOf("_ZN3art3JNI11AllocObjectEP7_JNIEnvP7_jclass") >= 0) { addrAllocObject = symbol.address; console.log("AllocObject is at ", symbol.address, symbol.name); } else if (symbol.name.indexOf("_ZN3art3JNI16CallObjectMethodEP7_JNIEnvP8_jobjectP10_jmethodIDz") >= 0) { addrCallObjectMethod = symbol.address; console.log("CallObjectMethod is at ", symbol.address, symbol.name); } else if (symbol.name.indexOf("_ZN3art3JNI14GetObjectClassEP7_JNIEnvP8_jobject") >= 0) { addrGetObjectClass = symbol.address; console.log("GetObjectClass is at ", symbol.address, symbol.name); } else if (symbol.name.indexOf("_ZN3art3JNI21ReleaseStringUTFCharsEP7_JNIEnvP8_jstringPKc") >= 0) { addrReleaseStringUTFChars = symbol.address; console.log("ReleaseStringUTFChars is at ", symbol.address, symbol.name); } else if (symbol.name.indexOf("_ZN3art3JNI23CallStaticObjectMethodVEP7_JNIEnvP7_jclassP10_jmethodIDSt9__va_list") >= 0) { addCallStaticObjectMethodV = symbol.address; console.log("CallStaticObjectMethodV is at ", symbol.address, symbol.name); } else if (symbol.name.indexOf("_ZN3art3JNI17CallObjectMethodVEP7_JNIEnvP8_jobjectP10_jmethodIDSt9__va_list") >= 0) { addCallObjectMethodV = symbol.address; console.log("CallObjectMethodV is at ", symbol.address, symbol.name); } else if (symbol.name.indexOf("_ZN3art3JNI24CallStaticBooleanMethodVEP7_JNIEnvP7_jclassP10_jmethodIDSt9__va_list") >= 0) { addCallStaticbooleanMethodV = symbol.address; console.log("CallStaticbooleanMethodV is at ", symbol.address, symbol.name); } else if (symbol.name.indexOf("_ZN3art8CheckJNI13CheckCallArgsERNS_18ScopedObjectAccessERNS_11ScopedCheckEP7_JNIEnvP8_jobjectP7_jclassP10_jmethodIDNS_10InvokeTypeEPKNS_7VarArgsE") >= 0) { addrCheckcakkArgs = symbol.address; console.log("CheckCallArgs is at ", symbol.address, symbol.name); } } if (addrGetObjectClass != null) { Interceptor.attach(addrFindClass, { onEnter: function (args) { console.log(''); class_name = Memory.readCString(args[1]); console.log("Call GetObjectClass; obj_name:", class_name); }, onLeave: function (letval) { } }) } if (addrFindClass != null) { Interceptor.attach(addrFindClass, { onEnter: function (args) { class_name = Memory.readCString(args[1]); console.log("Call findclass; classname:", class_name); } }) } if (addrCheckcakkArgs != null) { Interceptor.attach(addrCheckcakkArgs, { onEnter: function (args) { var args_list = Memory.readPointer(args[6]); console.log("Call CheckCallArgs; args:", args_list); } }) } if (addrGetStaticMethodID != null) { Interceptor.attach(addrGetStaticMethodID, { onEnter: function (args) { var Method_name = Memory.readCString(args[2]); var Method_sig = Memory.readCString(args[3]); console.log("call GetStaticMethodID,class_name:", class_name, "Method_name:", Method_name, "sig:", Method_sig); if(Method_name == "currentPackageName"){ // packname_flag = 1; // str_flag = 1; } if(Method_name == "getSoPath2"){ n = 0; } if(Method_name == "hashCode"){ jiagu_end = 1; } } }) } if (addrGetMethodID != null) { Interceptor.attach(addrGetMethodID, { onEnter: function (args) { var Method_name = Memory.readCString(args[2]); var Method_sig = Memory.readCString(args[3]); console.log("call GetMethodID,class_name:", class_name, "Method_name:", Method_name, "sig:", Method_sig); } }) } if (addrGetFieldID != null) { Interceptor.attach(addrGetFieldID, { onEnter: function (args) { var Method_name = Memory.readCString(args[2]); var Method_sig = Memory.readCString(args[3]); console.log("call GetFieldID,className:", class_name, "Method_name:", Method_name, 'sig:', Method_sig); if (Method_name == "dexElements"){ dex_up_flag = 1; str_flag = 1; } } }) } if (addrGetStaticFieldID != null) { Interceptor.attach(addrGetStaticFieldID, { onEnter: function (args) { var Method_name = Memory.readCString(args[2]); var Method_sig = Memory.readCString(args[3]); console.log("call GetStaticFieldID,className:", class_name, "Method_name:", Method_name, "sig:", Method_sig); if(Method_name == "strEntryApplication"){ app_activity = 1; } } }) } if (addCallStaticbooleanMethodV != null) { Interceptor.attach(addCallStaticbooleanMethodV, { onEnter: function (args) { var call_add = this.returnAddress; } }) } if (addCallObjectMethodV != null) { Interceptor.attach(addCallObjectMethodV, { onEnter: function (args) { var call_address = this.returnAddress; } }) } if (addrCallObjectMethod != null) { Interceptor.attach(addrCallObjectMethod, { onEnter: function (args) { var call_add = this.returnAddress; } }) } if (addCallStaticObjectMethodV != null) { Interceptor.attach(addCallStaticObjectMethodV, { onEnter: function (args) { var call_add = this.returnAddress; } }) } if (addrRegisterNatives != null) { Interceptor.attach(addrRegisterNatives, { onEnter: function (args) { var call_add = this.returnAddress; if (call_add < new_so_base.add(new_so_size) && call_add > new_so_base) { call_so_name = "libjiagu_kn.so"; console.log("Register_address:", call_add, "offset:", ptr(call_add).sub(new_so_base), "at:", call_so_name); console.log("[RegisterNatives] method_count:", args[3]); } else { var call_so_info = Process.getModuleByAddress(call_add); var call_so_base = call_so_info.base; var call_so_name = call_so_info.name; console.log("Register_address:", call_add, "offset:", ptr(call_add).sub(call_so_base), "at:", call_so_name); console.log("[RegisterNatives] method_count:", args[3]); } var methods_ptr = ptr(args[2]); var call_addr = this.returnAddress; var method_count = parseInt(args[3]); for (var i = 0; i < method_count; i++) { var name_ptr = Memory.readPointer(methods_ptr.add(i * Process.pointerSize * 3)); var sig_ptr = Memory.readPointer(methods_ptr.add(i * Process.pointerSize * 3 + Process.pointerSize)); var fnPtr_ptr = Memory.readPointer(methods_ptr.add(i * 12 + 8)); var fuPtr = fnPtr_ptr.sub(1); var name = Memory.readCString(name_ptr); var sig = Memory.readCString(sig_ptr); var module_base = new_so_base; var offset = 0; if (Process.findModuleByAddress(fnPtr_ptr)) { var so_info = Process.getModuleByAddress(fnPtr_ptr); module_base = so_info.base; var so_name = so_info.name; fuPtr = fnPtr_ptr.sub(1); offset = fnPtr_ptr.sub(module_base); console.log("[RegisterNatives] java_class:", class_name, "name:", name, "sig:", sig, "call_fun_Ptr:", fnPtr_ptr, "fnPtr:", fuPtr, "so_offset:", offset, "at :", so_name); } else { var so_name = "libjiagu_kn.so"; if (parseInt(fnPtr_ptr) > parseInt(module_base)) { offset = fnPtr_ptr.sub(module_base); } else { offset = module_base.sub(fnPtr_ptr); } if (parseInt(offset) > parseInt(new_so_size)) { offset = fnPtr_ptr.sub(5); fnPtr_ptr = Memory.readPointer(offset); offset = fnPtr_ptr.sub(module_base); if (parseInt(offset) > parseInt(new_so_size)) { fnPtr_ptr = Memory.readPointer(methods_ptr.add(i * 12 + 8)); } else { console.log("Find shellcode,fix fuPtr!"); } fuPtr = fnPtr_ptr.sub(1); offset = fnPtr_ptr.sub(module_base); fnPtr_ptr = Memory.readPointer(methods_ptr.add(i * 12 + 8)); console.log("[RegisterNatives] java_class:", class_name, "name:", name, "sig:", sig, "shell_Jump_Ptr:", fnPtr_ptr, "fnPtr:", fuPtr, "so_offset:", offset, "at :", so_name); } else { offset = fnPtr_ptr.sub(module_base); console.log("[RegisterNatives] java_class:", class_name, "name:", name, "sig:", sig, "fnPtr:", fuPtr, "so_offset:", offset, "at :", so_name); } } if(name == "onCreate"){ var jiagu_vmp_info = class_name +"/"+ name; jiagu_vmp.push(jiagu_vmp_info); console.log("find dex Methon onCreate code vmp in ",jiagu_vmp_info); console.log("ocCreate code vmp info:\n",JSON.stringify(jiagu_vmp)); } fuPtr = fnPtr_ptr.sub(1); if (JSON.stringify(JNI_RegisterNatives_array).indexOf(JSON.stringify(fuPtr)) == -1) { JNI_RegisterNatives_array.push(fuPtr); JNI_RegisterNatives_array.push(name); var func_addr = fnPtr_ptr; var dex_code_len = 0; var opcode_base = null; var get_vmp_data_base = 0; var temp = 0; Interceptor.attach(func_addr, { onEnter: function (args) { var context_r = this.returnAddress; var context_pc = JSON.stringify(this.context["pc"]); console.log("Call_address:", context_r, "fun_address:", context_pc); var pc_add = context_pc.replace(/\"/g, ""); for (var j = 0; j < JNI_RegisterNatives_array.length; j++) { if (JNI_RegisterNatives_array[j] == pc_add) { this.funname = undefined; if (JSON.stringify(hook_call_addr).indexOf(JSON.stringify(context_pc)) == -1) { hook_call_addr.push(context_r); console.log("Call_fun_begin-->", JNI_RegisterNatives_array[j + 1]); if(jiagu_sdk.indexOf(JNI_RegisterNatives_array[j + 1])== -1){ jiagu_sdk.push(JNI_RegisterNatives_array[j + 1]); } console.log("fun_key0:", this.context.r0); console.log("fun_key1:", this.context.r1); console.log("fun_key2:", this.context.r2); k = 1; this.funname = JNI_RegisterNatives_array[j + 1]; if(this.funname == "onCreate"){ console.log("===================================================================="); console.log("onCreate VMP begin!"); // str_flag = 11; GetOpcode_flag = 1; if (vmp_fun_addr != 0 && vmp_hook == null) { name = "vmp_fun"; JNI_RegisterNatives_array.push(vmp_fun_addr); JNI_RegisterNatives_array.push(name); Interceptor.attach(ptr(vmp_fun_addr), { onEnter: function (args) { if (GetOpcode_flag == 1) { if (get_vmp_data_base == 0) { var data_base = Memory.readPointer(ptr(this.context.r9)); var dex_info = Process.getModuleByAddress(data_base); var data_offset = data_base.sub(dex_info.base); var dex_vmp_data_len = Memory.readPointer(data_base.sub(4)); console.log("dex name is :", dex_info.name); console.log("vmp data base is:", data_base, "offset:", data_offset); console.log("vmp data len is :",ptr(parseInt(dex_vmp_data_len)*2)); console.log(hexdump(data_base,{length:parseInt(dex_vmp_data_len)*2})); console.log(""); get_vmp_data_base = 1; var xor_key = this.context.r1; var data_buf = Memory.readPointer(ptr(this.context.r9)); var vmp_opcode_index = Memory.readPointer(data_buf); vmp_opcode_index = vmp_opcode_index & 0xFFFF; xor_key = vmp_opcode_index ^ xor_key ; console.log("vmp dex data xor key is :",ptr(xor_key)); } var data_buff = Memory.readPointer(ptr(this.context.r9)); var vmp_opcode_data = Memory.readPointer(data_buff); vmp_opcode_data = vmp_opcode_data & 0xFF; var vmp_opcode_index = this.context.r1; vmp_opcode_index = vmp_opcode_index & 0xFF; console.log(""); console.log("vmp fun data is :\n", hexdump(data_buff,{length:0x10})); console.log("vmp opcode data is :",ptr(vmp_opcode_data)); vmp_dex_data.push(ptr(vmp_opcode_data)); console.log("vmp opcode index is :",ptr(vmp_opcode_index)); vmp_opcode_index_v.push(ptr(vmp_opcode_index)); dex_code_len = parseInt(this.context.r2)- temp; temp = parseInt(this.context.r2); } }, onLeave:function (retval) { if(GetOpcode_flag == 1){ console.log("vmp opcode is:",ptr(this.context.r0)); vmp_opcode_v.push(ptr(this.context.r0)); console.log("dex code len :",dex_code_len); vmp_code_len.push(dex_code_len); console.log(""); } } }) } vmp_hook = 1; } } } } }, onLeave: function (retval) { if (this.funname != undefined) { console.log("Call_fun_end-->", this.funname); if(this.funname == "onCreate"){ console.log("The onCreate VMP end!"); console.log(""); console.log("The onCreate VMP run info :"); console.log("vmp_opcode_data :\n",vmp_dex_data); console.log("vmp_opcode_index_v:\n",vmp_opcode_index_v); console.log("vmp_opcode_v:\n",vmp_opcode_v); console.log("vmp_code_len:\n",vmp_code_len); console.log("===================================================================="); str_flag = 0; GetOpcode_flag = 0; get_vmp_data_base = 0; temp = 0; vmp_opcode_index_v = []; vmp_opcode_v = []; vmp_code_len = []; vmp_dex_data = []; } k = 0; } } }) } } }, onLeave: function (retval) { } }); } ishook_libart = true;}hook_libart(); |
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