{"id":152467,"date":"2020-09-06T12:13:59","date_gmt":"2020-09-06T04:13:59","guid":{"rendered":"http:\/\/4563.org\/?p=152467"},"modified":"2020-09-06T12:13:59","modified_gmt":"2020-09-06T04:13:59","slug":"%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%bb%9f%e9%97%ae%e9%a2%98%ef%bc%8c%e5%85%b3%e4%ba%8e%e5%87%bd%e6%95%b0%e5%9c%b0%e5%9d%80%e7%a9%ba%e9%97%b4","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=152467","title":{"rendered":"\u64cd\u4f5c\u7cfb\u7edf\u95ee\u9898\uff0c\u5173\u4e8e\u51fd\u6570\u5730\u5740\u7a7a\u95f4"},"content":{"rendered":"
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\u64cd\u4f5c\u7cfb\u7edf\u95ee\u9898\uff0c\u5173\u4e8e\u51fd\u6570\u5730\u5740\u7a7a\u95f4 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : ng29 <\/span> <\/i> 26<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u5982\u9898\uff0c \u5047\u5982\u8fdb\u7a0b\u91cc\u6709\u51fd\u6570 fun1, \u518d\u8fdb\u7a0b\u542f\u52a8\u65f6\uff0cmalloc \u4e00\u9875\u5185\u5b58\uff0c\u62f7\u8d1d fun1 \u7684\u5185\u5bb9\u5230 malloc \u51fa\u6765\u7684\u5185\u5b58\uff0c\u79f0\u62f7\u8d1d\u540e\u7684\u51fd\u6570\u4e3a fun2, \u8c03\u7528 fun1 \u548c fun2 \u4f7f\u7528 \u4e0d\u540c\u7684\u53c2\u6570\uff0c \u95ee fun2 \u662f\u4e0d\u662f\u53ef\u4ee5\u6b63\u5e38\u6267\u884c\uff1f<\/p>\n

\u8003\u8651 fun2 \u662f fun1 \u6539\u53d8\u4e86\u4f4d\u7f6e\uff0c\u5982\u679c\u6709 jmp \u6307\u4ee4\u662f\u4f4d\u7f6e\u76f8\u5173\u7684\uff0c\u6b64\u65f6\u53ef\u4e0d\u53ef\u4ee5\u8c03\u6574\u6307\u4ee4\u548c\u5b57\u8282\u6570\u4f7f\u5f97 fun2 \u53ef\u4ee5\u6b63\u5e38\u8fd0\u884c\u76f4\u5230 ret \u8fd4\u56de\u3002<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (33<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : ng29 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6c42\u89e3 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Jooooooooo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5565\u610f\u601d<\/p>\n

    \u4e24\u4e2a\u7ebf\u7a0b\u8fd0\u884c\u540c\u4e00\u6bb5\u4ee3\u7801, \u5165\u53c2\u4e0d\u4e00\u6837? <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : ng29 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Jooooooooo \u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b \u51fd\u6570\u4ee3\u7801\u6bb5\u88ab \u590d\u5236\u5230\u53e6\u5916\u4e00\u4e2a\u5730\u5740 \u590d\u5236\u540e\u7684\u51fd\u6570\u80fd\u76f4\u63a5\u7528\u5730\u5740\u8c03\u7528\u5417\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : fasionchan <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e0d\u884c\uff0cmalloc \u51fa\u6765\u7684\u5185\u5b58\u9875\u662f\u6ca1\u6709\u6267\u884c\u6743\u9650\u7684\u3002\u4e3a\u4ec0\u4e48\u5462\uff1f\u56e0\u4e3a\u6709\u4e00\u653b\u51fb\u53eb\u6808\u6ea2\u51fa\u653b\u51fb\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : hsiang271828 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u7684\u7406\u89e3\u662f\uff0cfun1 \u7684\u5185\u5bb9\u88c5\u8f7d\u5728\u4ee3\u7801\u6bb5\uff0c\u62f7\u8d1d\u51fa\u6765\u7684\u4e8c\u8fdb\u5236\u653e\u5728\u65b0\u5206\u914d\u7684\u5806\u4e2d\uff0c\u4e0d\u5728\u4ee3\u7801\u6bb5\uff0c\u5bfb\u5740\u4f1a\u51fa\u9519\u65e0\u6cd5\u8fd0\u884c <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : ng29 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @fasionchan \u7528 set_page_protection \u52a0\u4e0a\u6743\u9650\u4ee5\u540e \u53ef\u4ee5\u5417 \uff1f \u4e3b\u8981\u8003\u8651 \u91cc\u9762\u7684\u5730\u5740\u5f15\u7528 \u662f\u4e0d\u662f\u9700\u8981\u8c03\u6574 \u4ee5\u53ca\u600e\u4e48\u8c03\u6574 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : fasionchan <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @ng29 \u6808\u5730\u5740\u662f\u901a\u8fc7 ebp \u5bc4\u5b58\u5668\u52a0\u4e0a\u504f\u79fb\u91cf\u8ba1\u7b97\u7684\uff0c\u5e94\u8be5\u6ca1\u5f71\u54cd\uff1b\u5806\u5730\u5740\u548c\u9759\u6001\u5168\u5c40\u53d8\u91cf\u90fd\u662f\u5b8c\u6574\u5730\u5740\uff0c\u5e94\u8be5\u4e5f\u6ca1\u5f71\u54cd\uff1b\u800c if for \u8bed\u53e5\u7f16\u8bd1\u540e\u7684 jmp \u6307\u4ee4\u662f\u6bb5\u5185\u8df3\u8f6c\uff0c\u901a\u8fc7\u504f\u79fb\u91cf\u6765\u8fdb\u884c\uff0c\u8bb2\u9053\u7406\u4e5f\u4e0d\u4f1a\u6709\u5f71\u54cd\u3002\u5177\u4f53\u4f60\u53ef\u4ee5\u8bd5\u8bd5\u770b\uff0c\u6211\u597d\u4e9b\u5e74\u6ca1\u505a\u5e95\u5c42\u4e86\uff0c\u53ef\u80fd\u6709\u9519\u6f0f~ <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : fasionchan <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @ng29 \u4e0d\u8fc7\u8fd9\u6837\u505a\u7684\u610f\u4e49\u4f55\u5728\uff0c\u505a\u5b9e\u9a8c\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : ng29 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @hsiang271828 \u8c03\u7528\u7684\u65f6\u5019\uff0c\u4f1a\u7ed9\u8fd9\u6bb5\u7a7a\u95f4\u6267\u884c\u6743\u9650\u4ee5\u53ca \u7528 \u62f7\u8d1d\u540e\u7684\u5730\u5740\u4f5c\u4e3a \u51fd\u6570\u6307\u9488\uff1b \u6211\u7406\u89e3\u7406\u8bba\u4e0a\u662f\u53ef\u4ee5\u7684 \u6211\u7684\u987e\u8651\u662f \u4ee3\u7801\u4e2d\u6709 jmp \u76f8\u5bf9\u8df3\u8f6c \u4f1a\u4e0d\u4f1a\u8df3\u8f6c\u9519 \uff0c\u8fd9\u91cc\u53ea\u80fd\u53bb\u53c2\u8003 intel \u7684\u6587\u6863\u4e86\u3002\u3002\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : ng29 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @fasionchan hook \u7684\u65f6\u5019\uff0c \u6539\u4e00\u4e9b\u903b\u8f91 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : ng29 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @fasionchan \u6bd4\u5982\u4e00\u6837\u7684\u51fd\u6570\uff0c\u4f20\u7684\u53c2\u6570\u4e0d\u4e00\u6837 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : hythyt9898 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u770b\u51fd\u6570\u5b9e\u73b0\u662f\u4e0d\u662f\u5730\u5740\u65e0\u5173\u4ee3\u7801\uff08 PIC \uff09\u4e86\uff0c\u5f53\u7136\u4e86\u4f60\u91cd\u65b0\u8c03\u6574\u6307\u4ee4\u4e5f\u662f\u53ef\u4ee5\u7684\uff0c\u52a0\u58f3\u8f6f\u4ef6\u90fd\u6709\u7c7b\u4f3c\u6d41\u7a0b\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Jooooooooo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @ng29 \u611f\u89c9\u4f60\u6ca1\u6709\u7406\u89e3\u786c\u4ef6\u662f\u600e\u4e48\u8dd1\u4ee3\u7801\u7684<\/p>\n

    \u7ebf\u7a0b\u672c\u8eab\u7684\u6808\u6570\u636e\u662f\u7ebf\u7a0b\u81ea\u5df1\u7ba1\u7406\u7684, \u800c\u8fd0\u884c\u4ec0\u4e48\u4ee3\u7801\u662f\u5b8c\u5168\u53e6\u5916\u4e00\u5757\u7a7a\u95f4\u5b58\u653e, \u4e00\u822c\u540c\u4e00\u6bb5\u4ee3\u7801\u5185\u5b58\u91cc\u9762\u53ea\u4f1a\u6709\u4e00\u4efd, \u64cd\u4f5c\u7cfb\u7edf\u4f1a\u590d\u7528\u7684 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : ng29 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Joooooooo \u6211\u662f\u60f3 \u6545\u610f\u590d\u5236\u4e00\u4efd\u51fd\u6570\u4ee3\u7801\u6bb5 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : fasionchan <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @ng29 hook \u4e00\u822c\u4e0d\u662f\u5b9a\u4e49\u65b0\u51fd\u6570\uff0c\u65b0\u51fd\u6570\u8c03\u7528\u5c31\u51fd\u6570\uff0c\u7a0b\u5e8f\u7f16\u8bd1\u65f6\u8fde\u63a5\u65b0\u51fd\u6570\u5417\uff1f\u4e4b\u524d\u770b\u8fc7\u5fae\u4fe1\u540e\u53f0\u7684\u534f\u7a0b\u5e93 libco \u7684\u6e90\u7801\uff0c\u91cc\u9762 hook \u4e86\u6240\u6709\u963b\u585e\u578b\u7684\u7cfb\u7edf\u8c03\u7528\uff0c\u4f60\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\uff1a https:\/\/github.com\/Tencent\/libco\uff0c\u53ef\u80fd\u4f1a\u6709\u4e00\u4e9b\u542f\u53d1\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : ng29 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @fasionchan \u5982\u679c\u662f\u52a8\u6001\u5e93\u7684\u8bdd\uff0chook \u662f\u6bd4\u8f83\u597d\u64cd\u4f5c\uff0c\u4f46\u662f\u6574\u4e2a\u9879\u76ee\u90fd\u662f\u9759\u6001\u94fe\u63a5\u7684\uff0c\u4e00\u822c\u662f\u7528 inline hook \u628a\u65e7\u51fd\u6570\u7684\u524d\u51e0\u4e2a\u5b57\u8282 \u6539\u6210 jmp code \u8c03\u5230 \u65b0\u51fd\u6570\uff0c\u6211\u8fd9\u91cc \u662f\u60f3 \u628a \u65e7\u51fd\u6570 \u632a\u5230\u53e6\u5916\u4e00\u4e2a\u5730\u65b9\uff0c\u5148\u5907\u4efd\uff0c\u540e\u9762\u8c03\u7528\u7684\u65f6\u5019 \u7ed9\u4e00\u4e2a \u81ea\u5df1\u4fee\u6539\u540e\u7684 \u53c2\u6570\uff08\u4fee\u6539\u5bc4\u5b58\u5668\u6216\u8005\u6808\uff09\uff0c\u51c6\u5907\u597d\u53c2\u6570\u540e\uff0c\u518d\u8c03\u7528 fun2 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : enenaaa <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5f53\u7136\u53ef\u4ee5\u3002 \u5c31\u662f\u5185\u5b58 patch \u554a\u3002fun2 \u80fd\u4e0d\u80fd\u6b63\u5e38\u6267\u884c\uff0c\u8981\u770b\u91cc\u9762\u7684\u5730\u5740\u76f8\u5173\u6307\u4ee4\u662f\u5426\u90fd\u80fd\u517c\u5bb9\u65b0\u5730\u5740\u3002\u4e00\u822c\u6709\u957f\u8df3\u7684\u8bdd\u9700\u8981\u5728\u642c\u79fb\u540e\u624b\u52a8\u6539\u6c47\u7f16\u6307\u4ee4\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : ng29 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @enenaaa \u6307\u4ee4\u8c03\u6574\u7684\u8bdd \u6709\u6ca1\u6709\u6bd4\u8f83\u5b8c\u5584\u7684\u65b9\u6848\uff0c\u6c42\u4e00\u4e2a <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : mXw <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f60\u8fd9\u4e2a\u9700\u6c42\uff0c\u9700\u8981\u4fee\u6539\u5185\u5b58\u6743\u9650\u624d\u53ef\u4ee5\uff0crwx\uff0c\u76f8\u5f53\u4e8e\u6267\u884c shellcode \uff1b\u53c2\u6570\u7684\u8bdd\u5c31\u6309\u7167\u8c03\u7528\u7ea6\u5b9a\u7ed9\u8fdb\u53bb\u5c31\u884c\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : secondwtq <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4e00\u65b9\u9762\u662f\u8fd9\u5757\u5185\u5b58\u7684\u5185\u5bb9\u5141\u4e0d\u5141\u8bb8\u88ab\u6267\u884c\u7684\u95ee\u9898
    \u53e6\u4e00\u65b9\u9762\u662f\u8fd9\u5757\u5185\u5b58\u7684\u5185\u5bb9\u91cc\u9762\u6709\u6ca1\u6709\u5bf9\u975e\u5c40\u90e8\u5730\u5740\u7684\u5f15\u7528<\/p>\n

    \u5982\u679c\u6709 RIP relative addressing \u7684\u8bdd\u5c31\u6bd4\u8f83\u9ebb\u70e6 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : liuminghao233 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u597d\u50cf\u53ef\u4ee5\u7528 mprotect \u6539 x \u6743\u9650
    \u4f46 malloc \u9ed8\u8ba4\u662f\u4e0d\u4f1a\u7ed9\u4f60 x \u6743\u9650\u7684
    \u4f60\u628a\u51fd\u6570 copy \u8fdb\u53bb \u5e26 x \u6743\u9650\u7684\u5185\u5b58
    \u628a rsp rbp \u5f04\u597d
    \u6309\u7167 x86 \u8c03\u7528\u7ea6\u5b9a\u5165\u53c2 rsi rdi…\u8fd9\u4e9b
    \u7136\u540e\u76f4\u63a5 jmp \u6216\u8005 call \u5c31\u884c\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : lniwn <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5148\u8bf4\u7ed3\u8bba\uff0c\u662f\u53ef\u884c\u7684\uff0c\u4e0d\u8fc7\u4f60\u4e0d\u80fd\u7528 malloc\uff0c\u800c\u8981\u7528\u7cfb\u7edf\u7684\u5185\u5b58\u5206\u914d api\uff0c\u6bd4\u5982 win32 \u4e0b\u7684 HeapCreate\uff0c\u6307\u5b9a PAGE_EXECUTE \u6743\u9650\u3002
    \u65e2\u7136\u53ef\u4ee5\u9759\u6001\u7f16\u8bd1\uff0c\u90a3\u8bf4\u660e\u4f60\u5df2\u7ecf\u6709\u5bf9\u5e94\u7684\u5e93\u6587\u4ef6\u4e86\uff0cida \u62a0\u51fa\u6765\uff0c\u91cd\u65b0\u5b9e\u73b0\u4e00\u904d\u662f\u6700\u7b80\u5355\u7684\u65b9\u5f0f\uff0c\u7136\u540e hook \u539f\u51fd\u6570\u5230\u65b0\u5b9e\u73b0\u7684\u51fd\u6570\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : limboMu <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd8\u53ef\u4ee5\u628a\u4ee3\u7801\u6bb5\u7684\u6570\u636e\u62f7\u8d1d\u5230\u5806\u533a\u6267\u884c\u5417\uff1f\u5b66\u5230\u4e86\uff0c\u4e0d\u8fc7\u6267\u884c\u7684\u65f6\u5019\u53c2\u6570\u90fd\u662f\u4f1a\u5728\u6808\u533a\u4fdd\u7559\uff0c\u552f\u4e00\u7684\u533a\u522b\u5c31\u662f\u5982\u679c\u51fd\u6570\u5185\u6709\u8d85\u51fa\u51fd\u6570\u8fb9\u754c\u7684\u76f8\u5bf9\u8df3\u8f6c\uff0c\u5c31\u6709\u54cd\u5e94\u7684\uff0c\u5176\u4ed6\u7684\u60c5\u51b5\u5e94\u8be5\u6ca1\u5565\u95ee\u9898\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : ng29 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @liuminghao233 \u662f\u8fd9\u6837\u7684 \u4e0d\u8fc7\u6211\u6709\u4e00\u4e2a\u987e\u8651 \u5c31\u662f\u51fd\u6570\u91cc\u9762\u6709\u8df3\u8f6c\u6307\u4ee4\u7684\u65f6\u5019 \u53ef\u80fd\u6709\u76f8\u5bf9\u4f4d\u7f6e\u7684 \u4e0d\u77e5\u9053\u8fd9\u6837\u7684\u600e\u4e48\u8df3\u8f6c \u60f3\u627e\u4e00\u4e2a\u901a\u7528\u7684\u65b9\u6848\uff08\u9002\u7528\u4e8e\u7edd\u5927\u591a\u6570\u51fd\u6570\uff09 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : ng29 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @lniwn \u5bf9\u4e00\u4e2a\u51fd\u6570\u6bd4\u8f83\u597d\u64cd\u4f5c\uff0c\u5982\u679c\u505a\u6210\u901a\u7528\u7684\uff0c\u6709\u6ca1\u6709\u63a8\u8350\u7684\u53c2\u8003\u8d44\u6599\u6216\u4ee3\u7801 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : ng29 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u539f\u6765\u7684\u95ee\u9898 \u4e5f\u53ef\u4ee5\u6539\u6210\uff0c \u62ff\u4e00\u5757 \u4ee3\u7801\u6bb5 \u5230 \u81ea\u5df1\u7533\u8bf7\u7684\u5185\u5b58\u5e76 \u53d8\u4e3a \u4f4d\u7f6e\u65e0\u5173\u4ee3\u7801 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : liuminghao233 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @ng29
    \u4f60\u9700\u8981\u7981\u6b62\u7f16\u8bd1\u5668\u751f\u6210\u4f4d\u7f6e\u65e0\u5173\u4ee3\u7801 \u518d\u52a0\u4e0a-mcmodel=large
    \u6bd4\u5982\u8bf4 g++ main.cpp -o main -fno-pie -mcmodel=large
    \u8fd9\u6837\u4f60\u5f15\u7528\u53d8\u91cf\u7684\u5730\u5740\u662f\u7edd\u5bf9\u5730\u5740 \u800c\u4e0d\u662f rip relative \u7684 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yangbonis <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f60\u662f\u5728\u8bf4 dlopen \u5417\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yangbonis <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6216\u8005\u53cd\u5c04\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : ng29 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @liuminghao233 \u611f\u8c22 minghao \u6211\u505a\u5b9e\u9a8c\u8bd5\u4e0b <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : mingl0280 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u53ef\u884c,\u8fdc\u7a0b\u7ebf\u7a0b\u4ee3\u7801\u6ce8\u5165\u4e2d\u7684\u4e00\u6b65\u5c31\u662f\u8fd9\u4e48\u5b9e\u73b0\u7684.
    VirtualAllocEx \u5206\u914d\u5185\u5b58\u540c\u65f6\u6307\u5b9a PAGE_EXECUTE_READWRITE \u6743\u9650\u4ee5\u540e\u7528 WriteProcessMemory \u5c06\u7f16\u8bd1\u540e\u7684\u51fd\u6570\u7684\u9996\u5730\u5740\u548c\u51fd\u6570\u957f\u5ea6\u7684\u5185\u5b58\u590d\u5236\u5230\u8fdc\u7a0b\u7ebf\u7a0b\u4e2d,\u7136\u540e\u7ed9\u4e00\u53d1 CreateRemoteThread \u5c31\u53ef\u4ee5\u76f4\u63a5\u5728\u8fdc\u7a0b\u8fdb\u7a0b\u91cc\u8dd1\u4f60\u7684\u51fd\u6570\u4e86.
    \u5177\u4f53\u8d44\u6599\u4f60\u5b8c\u5168\u53ef\u4ee5\u53c2\u8003 WINAPI \u7684\u8fdc\u7a0b\u4ee3\u7801\u6ce8\u5165. <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : mingl0280 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @ng29 \u51fd\u6570\u5185\u8df3\u8f6c\u6307\u4ee4\u4e0d\u5b58\u5728\u95ee\u9898,\u53ea\u8981\u4f60\u7684\u51fd\u6570\u5185\u8df3\u8f6c\u6307\u4ee4\u7b26\u5408\u4ee5\u4e0b\u8981\u6c42:
    – \u4e0d\u6307\u5411\u5728\u672c\u7a0b\u5e8f\u5185\u5b9a\u4e49\u7684\u5176\u5b83\u51fd\u6570,\u5373\u8df3\u8f6c\u6307\u4ee4\u6267\u884c\u7684\u90fd\u662f\u5904\u4e8e\u5171\u4eab\u5185\u5b58\u533a\u7684.
    – \u4e0d\u5b58\u5728\u53ef\u80fd\u89e6\u53d1 longjmp \u6216\u8005\u5176\u5b83\u5bfc\u81f4\u51fd\u6570\u9000\u51fa\u7684\u6307\u4ee4
    \u53e6\u5916\u7981\u6b62\u4f4d\u7f6e\u65e0\u5173\u4ee3\u7801\u4e0d\u4f1a\u6709\u6548\u7684,\u4ee3\u7801\u7a7a\u95f4\u4e0d\u4e00\u6837\u4e86,\u6ca1\u6cd5\u8df3\u8f6c\u5230\u4f60\u81ea\u5df1\u7684\u5185\u5b58\u533a\u7ee7\u7eed\u6267\u884c\u7684. <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : pythonee <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u671f\u5f85\u5b9e\u9a8c\u7ed3\u679c <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u64cd\u4f5c\u7cfb\u7edf\u95ee\u9898\uff0c\u5173\u4e8e\u51fd\u6570\u5730\u5740\u7a7a\u95f4 \u8cc7…<\/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\/152467"}],"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=152467"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/152467\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=152467"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=152467"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=152467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}