{"id":150075,"date":"2020-09-02T13:59:38","date_gmt":"2020-09-02T05:59:38","guid":{"rendered":"http:\/\/4563.org\/?p=150075"},"modified":"2020-09-02T13:59:38","modified_gmt":"2020-09-02T05:59:38","slug":"%e6%b2%a1%e6%9c%89-usermod-%e5%91%bd%e4%bb%a4%e8%bf%98%e6%b2%a1%e4%bf%ae%e6%94%b9%e7%94%a8%e6%88%b7%e6%9d%83%e9%99%90%e5%90%97","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=150075","title":{"rendered":"\u6ca1\u6709 usermod \u547d\u4ee4\u8fd8\u6ca1\u4fee\u6539\u7528\u6237\u6743\u9650\u5417"},"content":{"rendered":"
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\u6ca1\u6709 usermod \u547d\u4ee4\u8fd8\u6ca1\u4fee\u6539\u7528\u6237\u6743\u9650\u5417 <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : sadfQED2 <\/span> <\/i> 21<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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\u80cc\u666f\uff1a\u624b\u673a\u6709\u4e9b\u5de5\u5177\u9700\u8981\u7528 root \u6743\u9650\u3002but \u624b\u673a root \u6216\u8005\u88c5 magisk \u540e\u94f6\u884c\u7c7b app \u5c31\u4e0d\u8ba9\u7528\u4e86\u3002\u56e0\u6b64\u4ea7\u751f\u4e86\u4e00\u4e2a\u4e0d\u6210\u719f\u7684\u60f3\u6cd5\uff0c\u6211\u5148\u62ff\u5230 root \u6743\u9650\uff0c\u7136\u540e\u6211\u628a\u9700\u8981 root \u6743\u9650\u7684\u5e94\u7528\u7684 linux \u7528\u6237\u4fee\u6539\u6210 root \u7ec4\u3002\u7136\u540e\u6211\u518d\u79fb\u9664\u624b\u673a root \u6743\u9650\u3002\u8fd9\u7279\u55b5\u7684\u4e0d\u5c31\u5b8c\u7f8e\u89e3\u51b3\u4e86\u4e48\u3002<\/p>\n

\u60f3\u5230\u8fd9\u91cc\u7acb\u9a6c\u52a8\u624b\u5f00\u59cb\u5c1d\u8bd5\uff0c\u901a\u8fc7 adb shell \u8fdb\u5165\u624b\u673a\u547d\u4ee4\u884c\uff0c\u7136\u540e ls -AU \u67e5\u770b apk \u5bf9\u5e94\u7684\u7528\u6237\uff0c\u7136\u540e\u4fee\u6539\u7ec4<\/p>\n

wtf fk ,\u6728\u6709 usermod \u547d\u4ee4\uff0c\u7136\u540e cat \/etc\/group\uff0c\u4e5f\u6728\u6709\u8fd9\u4e2a\u6587\u4ef6<\/p>\n

\u63a5\u7740\u518d busybox –help\uff0c\u4e5f\u6ca1\u6709\u770b\u5230 usermod \u547d\u4ee4<\/p>\n

\u6700\u7ec8\uff0c\u9677\u5165\u7edd\u671b\uff0c\u6709\u6728\u6709\u5927\u4f6c\u89e3\u7b54\u4e0b\uff0c\u8fd8\u6709\u5176\u4ed6\u529e\u6cd5\u4fee\u6539\u7528\u6237\u7ec4\u5417<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (8<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : Juszoe <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    chown <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : Juszoe <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u770b\u9519\u4e86\uff0c\u539f\u6765\u8981\u4fee\u6539\u7528\u6237\uff0c\u65e0\u89c6\u6211\u7684\u56de\u7b54\u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : codehz <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f60\u5728\u5f02\u60f3\u5929\u5f00
    \u5148\u4e0d\u8bf4\u7528 root \u7684 app \u80fd\u4e0d\u80fd\u652f\u6301\u8fd9\u79cd\u60c5\u51b5
    \u5c31\u8bf4\u4f60\u6539\u7528\u6237\u7ec4\u8fd9\u4e8b\u5c31\u4e0d\u53ef\u80fd\uff0candroid \u7684\u7528\u6237\u673a\u5236\u662f\u7279\u6b8a\u8bbe\u8ba1\u7684\uff0capp \u6240\u5c5e\u7684\u7528\u6237\u548c\u7ec4\u90fd\u662f\u76f4\u63a5\u4ee3\u7801\u4ea7\u751f\u7684\uff08\u610f\u601d\u662f bionic \u76f4\u63a5\u6839\u636e\u6570\u5b57\u6620\u5c04\u4e00\u4e2a\u540d\u5b57\uff0c\u8ba9 top \u91cc\u770b\u7740\u4e0d\u4f1a\u4e00\u5806\u6570\u5b57\uff0capp \u7528\u6237\u548c\u7ec4\u7684\u5173\u7cfb\u4e5f\u662f\u4ee3\u7801\u5199\u6b7b\u7684;\u6bcf\u4e2a app \u8fd0\u884c\u524d\u4f1a\u76f4\u63a5 setuid \u548c setgid \u5230\u7279\u5b9a\u6570\u5b57\uff0c\u548c\u540d\u5b57\u6ca1\u6709\u534a\u6bdb\u94b1\u5173\u7cfb\uff09\uff0c\u4e0d\u7531\u6587\u4ef6\u63a7\u5236\u3002\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sadfQED2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @codehz <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : creedowl <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u628a\u94f6\u884c app \u52a0\u5230 magisk hide \u91cc\u9762\u5c31\u80fd\u7528\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : ysc3839 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6ca1\u8bb0\u9519\u7684\u8bdd Linux (Unix) \u5185\u6838\u672c\u8eab\u5c31\u6ca1\u6709\u201c\u7528\u6237\u5217\u8868\u201d\u7684\u673a\u5236\uff0c\/etc\/passwd \u7b49\u7528\u6237\u5217\u8868\u5176\u5b9e\u662f\u76f8\u5173\u547d\u4ee4\u884c\u5de5\u5177\u5904\u7406\u7684\uff0cLinux \u5185\u6838\u53ea\u662f\u4fdd\u5b58 uid \u548c gid \u3002<\/p>\n

    \u53e6\u5916\uff0c\u5c31\u4f60\u8bf4\u7684\u628a app \u5bf9\u5e94\u7528\u6237\u52a0\u5165 root \u7ec4\u7684\u65b9\u6848\uff0c\u4e0d\u53ef\u884c\u7684\u70b9\u6709\u51e0\u4e2a\uff1a
    1. \u6ca1\u8bb0\u9519\u7684\u8bdd Linux (Unix) \u5185\u6838\u6709\u9650\u5236\uff0c\u4e00\u4e2a\u8fdb\u7a0b\u8fd0\u884c\u65f6\u53ea\u80fd\u7531 root \u964d\u6743\u4e3a\u5176\u4ed6\u7528\u6237\uff0c\u4e0d\u80fd\u63d0\u6743\u4e3a root\uff0c\u8981\u63d0\u6743\u7684\u8bdd\u53ea\u80fd\u901a\u8fc7\u521b\u5efa\u65b0\u8fdb\u7a0b\u7684\u65b9\u5f0f (Unix \u6587\u4ef6\u6709\u4e2a SUID flag\uff0c\u5f00\u542f\u540e\u5f53\u521b\u5efa\u65b0\u8fdb\u7a0b\u7684\u65f6\u5019\uff0c\u5185\u6838\u4f1a\u628a\u65b0\u8fdb\u7a0b\u7684\u7528\u6237\u548c\u7ec4\u8bbe\u7f6e\u6210\u6587\u4ef6\u6240\u5c5e\u7684\u7528\u6237\u548c\u7ec4)\u3002\u56e0\u6b64\u5927\u591a\u6570 app \u8c03\u7528 root \u6743\u9650\u4e5f\u662f\u901a\u8fc7\u521b\u5efa\u65b0\u8fdb\u7a0b\u6765\u5b9e\u73b0\u7684\uff0c\u521b\u5efa\u7684\u8fd9\u4e2a\u65b0\u8fdb\u7a0b\u662f root \u5de5\u5177\u63d0\u4f9b\u7684 “su” \u7a0b\u5e8f\u3002\u7ed3\u679c\u662f\u4f60\u6ca1\u529e\u6cd5\u79fb\u9664 root \u5de5\u5177\uff0c\u9664\u975e\u4fee\u6539\u8fd9\u4e2a app \u7684\u5de5\u4f5c\u65b9\u5f0f\u3002
    2. \u8bb8\u591a\u9700\u8981 root \u6743\u9650\u7684\u63a5\u53e3\uff0c\u662f\u901a\u8fc7\u68c0\u6d4b uid \u662f\u5426\u4e3a\u67d0\u51e0\u4e2a\u7279\u5b9a uid \u5b9e\u73b0\u7684\uff0c\u4e0d\u4e00\u5b9a\u4f1a\u68c0\u6d4b\u7528\u6237\u7ec4\u3002
    3. \u89e3\u51b3\u4ee5\u4e0a\u4e24\u4e2a\u95ee\u9898\u4e4b\u540e\uff0c\u8fd8\u53ef\u80fd\u5b58\u5728\u7684\u95ee\u9898\u662f\u4e0a\u6240\u8bf4\u7684\uff0c\u4f60\u6ca1\u6709\u529e\u6cd5\u901a\u8fc7\u4fee\u6539\u6587\u4ef6\u7684\u65b9\u6cd5\u6765\u63a7\u5236\u7cfb\u7edf\u4ee5\u4ec0\u4e48\u7528\u6237\u6216\u7ec4\u8fd0\u884c app\uff0c\u53ef\u80fd\u8981\u4fee\u6539\u4ee3\u7801\u3002<\/p>\n

    \u6700\u540e\u8bf4\u4e2a\u9898\u5916\u8bdd\uff0ciOS \u8d8a\u72f1\u540e\u5982\u679c app \u9700\u8981 root \u6743\u9650\uff0c\u786e\u5b9e\u662f\u8ba9\u81ea\u5df1\u4ee5 root \u8eab\u4efd\u8fd0\u884c\u7684\u3002\u628a app \u5b89\u88c5\u6210\u7cfb\u7edf app\uff0c\u5c31\u4e0d\u4f1a\u53d7\u6c99\u76d2\u9650\u5236\u4e86\uff0c\u4f46\u662f\u4ecd\u7136\u662f\u4ee5\u666e\u901a\u7528\u6237\u8fd0\u884c\u7684\uff0c\u518d\u914d\u5408\u4e0a\u9762\u63d0\u5230\u7684 SUID\uff0c\u5c31\u53ef\u4ee5\u4ee5 root \u8eab\u4efd\u8fd0\u884c\u4e86\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sadfQED2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @ysc3839 \u611f\u8c22\u89e3\u7b54\uff0c\u6211\u60f3\u592a\u7b80\u5355\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : sadfQED2 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @creedowl \u9664\u4e86\u94f6\u884c\u7c7b app\uff0c\u8fd8\u6709\u4e00\u4e9b\u6e38\u620f\u88c5\u4e86 magisk \u4e5f\u4e0d\u80fd\u7528\uff0c\u800c\u4e14\u52a0 hide\uff0c\u6539\u5305\u540d\u7b49\u7b49\u90fd\u4e0d\u597d\u4f7f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u6ca1\u6709 usermod \u547d\u4ee4\u8fd8\u6ca1\u4fee\u6539…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/150075"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=150075"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/150075\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=150075"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=150075"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=150075"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}