{"id":946,"date":"2016-07-17T17:48:54","date_gmt":"2016-07-17T09:48:54","guid":{"rendered":"http:\/\/blog.md5.red\/?p=946"},"modified":"2018-10-09T09:22:51","modified_gmt":"2018-10-09T01:22:51","slug":"android%e6%96%87%e4%bb%b6%e7%b3%bb%e7%bb%9f%e6%81%a2%e5%a4%8d%e7%a0%94%e7%a9%b6","status":"publish","type":"post","link":"https:\/\/blog.md5.red\/?p=946","title":{"rendered":"Android\u6587\u4ef6\u7cfb\u7edf\u6062\u590d\u7814\u7a76"},"content":{"rendered":"

\u5f88\u4e45\u4ee5\u524d\u5199\u7684\uff0c\u7a81\u7136\u9700\u8981\uff0c\u7ffb\u51fa\u6765\u770b\u4e00\u4e0b\u3002<\/p>\n

\n

\"4-131223162451615\"<\/a><\/p>\n

1\u3001root<\/p>\n

2\u3001\u62f7\u8d1dbusybox\u5230\/system\/bin\u6269\u5c55\u547d\u4ee4\uff0c\u6ce8\u610f\u8981\u5148remount\uff0c\u7136\u540e\u66f4\u6539busybox\u6743\u9650<\/p>\n

3\u3001\u8fdb\u5165adb\u00a0shell\uff0c\u6267\u884cbusybox\u00a0df\u67e5\u770b\u6302\u8f7d\u7684\u78c1\u76d8\uff08\u5acc\u62f7busybox\u9ebb\u70e6\u76f4\u63a5\u7528mount\u547d\u4ee4\u4e5f\u884c\uff09<\/p>\n

busybox\u00a0df
\nFilesystem\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01K-blocks\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Used\u00a0Available\u00a0Use%\u00a0Mounted\u00a0on
\ntmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0171620\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a076\u00a0\u00a0\u00a0\u00a0171544\u00a0\u00a0\u00a00%\u00a0\/dev
\ntmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0171620\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00\u00a0\u00a0\u00a0\u00a0171620\u00a0\u00a0\u00a00%\u00a0\/mnt\/asec
\ntmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0171620\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00\u00a0\u00a0\u00a0\u00a0171620\u00a0\u00a0\u00a00%\u00a0\/mnt\/obb
\n\/dev\/block\/mtdblock0\u00a0\u00a0\u00a0\u00a0320000\u00a0\u00a0\u00a0\u00a0239068\u00a0\u00a0\u00a0\u00a0\u00a080932\u00a0\u00a075%\u00a0\/system
\n\/dev\/block\/mtdblock3\u00a0\u00a0\u00a0\u00a0389120\u00a0\u00a0\u00a0\u00a0173904\u00a0\u00a0\u00a0\u00a0215216\u00a0\u00a045%\u00a0\/data
\n\/dev\/block\/mtdblock2\u00a0\u00a0\u00a0\u00a0230400\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01164\u00a0\u00a0\u00a0\u00a0229236\u00a0\u00a0\u00a01%\u00a0\/cache
\n\/dev\/block\/mtdblock1\u00a0\u00a0\u00a0\u00a010240\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02440\u00a0\u00a0\u00a0\u00a0\u00a0\u00a07800\u00a0\u00a024%\u00a0\/data\/idd
\n\/dev\/block\/vold\/179:1\u00a0\u00a0\u00a0\u00a07745748\u00a0\u00a0\u00a04033016\u00a0\u00a0\u00a03712732\u00a0\u00a052%\u00a0\/mnt\/sdcard
\n\/dev\/block\/vold\/179:1\u00a0\u00a0\u00a0\u00a07745748\u00a0\u00a0\u00a04033016\u00a0\u00a0\u00a03712732\u00a0\u00a052%\u00a0\/mnt\/secure\/asec<\/p>\n

4\u3001\u6211\u4eec\u4e3b\u8981\u5173\u5fc3\/data\u6587\u4ef6\u7cfb\u7edf\u4e0b\u7684\u5185\u5bb9\uff0c\u53ea\u8981\u628a\u5bf9\u5e94\u7684\/dev\/block\/mtdblock3\u5206\u533adump\u5230\u672c\u5730<\/p>\n

5\u3001\u5982\u679c\u662fext\u683c\u5f0f\u7684\u53ef\u4ee5\u901a\u8fc7dd\u547d\u4ee4\u6309\u4f4d\u62f7\u8d1d\u78c1\u76d8\u5230\u6587\u4ef6<\/p>\n

dd\u00a0if=\/dev\/block\/mtdblock3\u00a0of=\/sdcard\/datadump<\/p>\n

\u5982\u679c\u662fyaffs\u683c\u5f0f\u7684\uff0c\u8fd9\u4e2a\u64cd\u4f5c\u4e0d\u884c\uff0c\u4f1a\u63d0\u793aIO\u9519\u8bef\uff0c\u65e0\u6cd5\u8bfb\u53d6\uff0c\u9700\u8981\u7528\u4e0b\u9762\u7684\u65b9\u6cd56\u30017<\/p>\n

6\u3001\u53c2\u8003http:\/\/androidforums.com\/optimus-s-all-things-root\/219777-need-dump-build-recovery.html<\/a><\/p>\n

\u901a\u8fc7\u67e5\u770b\/proc\/mtd\u6587\u4ef6\u8bfb\u51fa\u5bf9\u5e94\u7684\u78c1\u76d8\u6587\u4ef6<\/p>\n

#\u00a0cat\u00a0\/proc\/mtd \u00a0(4.x\u540e\u8981\u7528cat \/proc\/partitions)\u00a0 \u00a0 \u6700\u65b0\u7684\u4e09\u661f\u9700\u8981ls -l \/dev\/block\/platform\/ \u5e94\u8be5\u662f\u901a\u7528\u7684<\/strong>
\ncat\u00a0\/proc\/mtd
\ndev:\u00a0\u00a0\u00a0\u00a0size\u00a0\u00a0\u00a0erasesize\u00a0\u00a0name
\nmtd0:\u00a013880000\u00a000020000\u00a0\"system\"\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u7cfb\u7edf\u76d8\uff0cROM\uff0c\u76f8\u5f53\u4e8e\u4e0a\u9762\u7684\/dev\/block\/mtdblock0\u00a0\u00a0\u00a0\u00a0320000\u00a0\u00a0\u00a0\u00a0239068\u00a0\u00a0\u00a0\u00a0\u00a080932\u00a0\u00a075%\u00a0\/system
\nmtd1:\u00a000a00000\u00a000020000\u00a0\"appslog\"
\nmtd2:\u00a00e100000\u00a000020000\u00a0\"cache\"
\nmtd3:\u00a017c00000\u00a000020000\u00a0\"userdata\"\u00a0\u00a0\u00a0\u00a0\/\/\u7528\u6237\u6570\u636e\u76d8\uff0c\u6700\u91cd\u8981\uff0c\u76f8\u5f53\u4e8e\u4e0a\u9762\u7684\/dev\/block\/mtdblock3\u00a0\u00a0\u00a0\u00a0389120\u00a0\u00a0\u00a0\u00a0173904\u00a0\u00a0\u00a0\u00a0215216\u00a0\u00a045%\u00a0\/data<\/p>\n

7\u3001dd\u00a0if=\/dev\/mtd\/mtd0\u00a0of=\/sdcard\/system.img\u00a0bs=4096\u00a0\u00a0\/\/\u6309\u4f4d\u514b\u9686ROM\uff0c\u6ce8\u610f\u8981\u52a0bs\uff0c\u5426\u5219\u4f1a\u62a5\u53c2\u6570\u9519\u8bef
\ndd\u00a0if=\/dev\/mtd\/mtd3\u00a0of=\/sdcard\/userdata.img\u00a0bs=4096\u00a0\u00a0\/\/\u6309\u4f4d\u514b\u9686\u7528\u6237\u6570\u636e<\/p>\n

\u4e5f\u53ef\u7528cat\u00a0\/dev\/mtd\/mtd0>\/sdcard\/catsystem.img<\/p>\n

\u7528DD\u65b9\u5f0f\u62f7\u8d1d\u51fa\u6765\u7684img\u6587\u4ef6\u65e0\u6cd5\u8bfb\u53d6\u548c\u6302\u8f7d\u53ea\u80fd\u5341\u516d\u8fdb\u5236\u641c\u7d22<\/p>\n

\u78c1\u76d8\u5206\u533a\u4e3a\/dev\/sda1\uff0c\u6302\u8f7d\u70b9\u4e3a\/boot\uff0c\u5907\u4efd\u6587\u4ef6\u8bbe\u5b9a\u4e3a\/data2\/boot.disk;
\ndd\u00a0if=\/dev\/sda1\u00a0of=\/tmp\/boot.disk
\n<\/strong>\u5907\u4efd\u51fa\u6765\u7684\u6587\u4ef6\u751a\u81f3\u53ef\u4ee5\u7528mount\u00a0\u6302\u8f7d:mount\u00a0-o\u00a0loop\u00a0\/tmp\/boot.disk\u00a0\u00a0\/mnt
\n<\/strong><\/p>\n

8\u3001\u514b\u9686\u51fa\u7684img\u6587\u4ef6\u7528encase\u5206\u6790\uff0c\u6df1\u5ea6\u6316\u6398<\/p>\n

9\u3001\u547d\u4ee4\u884c\u6253\u5f00\u6a21\u62df\u5668emulator\u00a0-avd\u00a02.3.3\u00a0-partition-size\u00a0400\u00a0\u00a0\u5206\u533a\u5f3a\u5236\u8bbe\u5b9a\u4e3a400M<\/p>\n

\u7cfb\u7edf\u5907\u4efd\u00a0busybox\u00a0tar\u00a0-cvf\u00a0\/sdcard\/datadata.tar\u00a0\/data\/data<\/p>\n

busybox\u00a0tar\u00a0-cvf\u00a0\/sdcard\/dataapp.tar\u00a0\/data\/app<\/p>\n

busybox\u00a0tar\u00a0-cvf\u00a0\/sdcard\/systemapp.tar\u00a0\/system\/app<\/p>\n

-p\u00a0\u00a0\uff1a\u4f7f\u7528\u539f\u6863\u6848\u7684\u539f\u6765\u5c5e\u6027\uff08\u5c5e\u6027\u4e0d\u4f1a\u4f9d\u636e\u4f7f\u7528\u8005\u800c\u53d8\uff09<\/p>\n

\u6062\u590d\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0busybox\u00a0tar\u00a0-xvf\u00a0\/sdcard\/dataapp.tar<\/p>\n

busybox\u00a0tar\u00a0-xvf\u00a0\/sdcard\/datadata.tar<\/p>\n

busybox\u00a0tar\u00a0-xvf\u00a0\/sdcard\/systemapp.tar<\/p>\n

\u5907\u5fd8\uff1a<\/p>\n

http:\/\/hi.baidu.com\/serial_story\/blog\/item\/263bcdd3e321ebd5a9ec9a9f.html<\/a><\/p>\n

Linux\u7cfb\u7edf\u4e2d\/dev\/mtd\u4e0e\/dev\/mtdblock\u7684\u533a\u522b\uff0c\u5373MTD\u5b57\u7b26\u8bbe\u5907\u548c\u5757\u8bbe\u5907\u7684\u533a\u522b<\/p>\n

mtd\u662f\u5b57\u7b26\u8bbe\u5907\uff0cmtdblock\u662f\u5757\u8bbe\u5907\uff0c\u7531\u4e8e\u9a71\u52a8\u539f\u56e0\u4e0d\u80fd\u7528nandwrite,flash_eraseall,flash_erase\u7b49\u5de5\u5177\u53bb\u5bf9\/dev\/mtdblockN\u53bb\u64cd\u4f5c\u4e86\u3002\u56e0\u4e3a\/dev\/mtdblock\u4e2d\u4e0d\u5305\u542b\u5bf9\u5e94\u7684ioctl\uff0c\u4e0d\u652f\u6301\u4f60\u8fd9\u4e48\u64cd\u4f5c\u3002\u5bf9\u5b57\u7b26\u8bbe\u5907mtd\u64cd\u4f5c\u5c31\u662f\u4f5c\u7528\u4e8e\u5757\u8bbe\u5907mtdblock\uff0c\u6240\u4ee5\u4e0a\u9762\u76f4\u63a5dd\u5757\u8bbe\u5907\u62a5\u9519\u4e86<\/p>\n

 <\/p>\n

\u949b\u5907\u4efd\u5de5\u4f5c\u539f\u7406\uff1a<\/p>\n

1\u3001\u5907\u4efd\uff1atar\u83b7\u53d6\/system\/app\u00a0\u3001\/data\/app\u3001\/data\/data\u4e09\u4e2a\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6<\/p>\n

2\u3001\u6062\u590d\uff1a\u7528\u6237\u7a0b\u5e8f\u5148\u5b89\u88c5\u7136\u540e\u5012\u5165\u6570\u636e\uff1b\u7cfb\u7edf\u6587\u4ef6\u53ea\u6062\u590d\u90e8\u5206\u517c\u5bb9\u7684\uff0c\u5c06\u7a0b\u5e8f\u6587\u4ef6\u548c\u6570\u636e\u590d\u5236\u5230\u5bf9\u5e94\u76ee\u5f55\u4e0b<\/p>\n

 <\/p>\n

Linux\u6062\u590d\u5220\u9664<\/p>\n

debugfs\u00a0\u00a0\u00a0\u00a0http:\/\/blog.chinaunix.net\/space.php?uid=20778443&do=blog&id=94583<\/a><\/p>\n

ext3grep<\/a>\u00a0\u00a0\u00a0http:\/\/hi.baidu.com\/wangtao8899\/blog\/item\/cda6f2d923c8dbec38012f2d.html<\/a><\/p>\n

http:\/\/scglinux.blog.51cto.com\/4383041\/903705<\/a><\/p>\n

Moto<\/p>\n

dd\u00a0if=\/dev\/block\/mmcblk0p16\u00a0of=\/sdcard-ext\/datamoto.img\u00a0\u00a0\u6709\u5bc6\u7801\u7684\u8bdd\u6570\u636e\u5e93\u6587\u4ef6\u9700\u8981\u5bc6\u7801<\/p>\n

Samsung\u00a0\u8054\u7cfb\u4eba\u5728dbdata\u76ee\u5f55<\/p>\n

2013.8.22\u66f4\u65b0<\/p>\n

\u53c2\u8003http:\/\/linuxsleuthing.blogspot.hk\/2011\/06\/defeating-droid-let-pillaging-begin.html<\/a><\/p>\n

\u5148\u6267\u884cmount\u547d\u4ee4<\/p>\n

# mount
\nrootfs \/ rootfs ro,relatime 0 0
\n...
\n\/dev\/block\/mtdblock4 \/system yaffs2 ro,relatime 0 0
\n\/dev\/block\/mtdblock6 \/data yaffs2 rw,nosuid,nodev,relatime 0 0
\n\/dev\/block\/mtdblock5 \/cache yaffs2 rw,nosuid,nodev,relatime 0 0
\n\/dev\/block\/mtdblock0 \/config yaffs2 ro,relatime 0 0
\n...<\/p>\n

\u63d0\u793aIO\u9519\u8bef\u7684\u60c5\u51b5\u4e0b\u7528busybox dd\u00a0conv=noerror \u547d\u4ee4\u8df3\u8fc7\u9519\u8bef\uff0c\u7ecf\u9a8c\u8bc1\uff0c\u4e0d\u884c<\/p>\n

Android\u7cfb\u7edf\u9ed8\u8ba42.2\u4ee5\u524d\u7528yaffs\u683c\u5f0f\uff0c2.3\u4ee5\u540e\u7528ext\u683c\u5f0f\uff0c\u4e3b\u8981\u662femmc\u66ff\u4ee3nand\u5df2\u7ecf\u6210\u4e3a\u4e3b\u6d41\uff0c\u4ee5\u540e\u57fa\u672c\u4e0d\u4f1a\u9047\u5230yaffs\u683c\u5f0f\u7684\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5f88\u4e45\u4ee5\u524d\u5199\u7684\uff0c\u7a81\u7136\u9700\u8981\uff0c\u7ffb\u51fa\u6765\u770b\u4e00\u4e0b\u3002 1\u3001root 2\u3001\u62f7\u8d1dbusybox\u5230\/system\/bin\u6269\u5c55\u547d\u4ee4\uff0c ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-946","post","type-post","status-publish","format-standard","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/blog.md5.red\/index.php?rest_route=\/wp\/v2\/posts\/946","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.md5.red\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.md5.red\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.md5.red\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.md5.red\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=946"}],"version-history":[{"count":7,"href":"https:\/\/blog.md5.red\/index.php?rest_route=\/wp\/v2\/posts\/946\/revisions"}],"predecessor-version":[{"id":1938,"href":"https:\/\/blog.md5.red\/index.php?rest_route=\/wp\/v2\/posts\/946\/revisions\/1938"}],"wp:attachment":[{"href":"https:\/\/blog.md5.red\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=946"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.md5.red\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=946"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.md5.red\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=946"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}