{"id":4939,"date":"2021-08-22T21:44:03","date_gmt":"2021-08-22T12:59:03","guid":{"rendered":"https:\/\/www.inforsec.org\/wp\/?p=4939"},"modified":"2021-08-22T21:44:03","modified_gmt":"2021-08-22T12:59:03","slug":"%e7%9c%bc%e8%a7%81%e4%b8%8d%e4%b8%80%e5%ae%9a%e4%b8%ba%e5%ae%9e%ef%bc%9a%e5%af%b9%e7%94%b5%e5%ad%90%e9%82%ae%e4%bb%b6%e4%bc%aa%e9%80%a0%e6%94%bb%e5%87%bb%e7%9a%84%e5%a4%a7%e8%a7%84%e6%a8%a1%e5%88%86","status":"publish","type":"post","link":"http:\/\/202.112.238.40\/wp\/?p=4939","title":{"rendered":"\u773c\u89c1\u4e0d\u4e00\u5b9a\u4e3a\u5b9e\uff1a\u5bf9\u7535\u5b50\u90ae\u4ef6\u4f2a\u9020\u653b\u51fb\u7684\u5927\u89c4\u6a21\u5206\u6790"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u6587\/ \u6c88\u51ef\u6587   \u6e05\u534e\u5927\u5b66 <\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><strong>\u4e00\u3001\u5f15\u8a00<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f5c\u4e3a\u4e92\u8054\u7f51\u4e0a\u90e8\u7f72\u3001\u5e94\u7528\u6700\u5e7f\u6cdb\u7684\u57fa\u7840\u901a\u4fe1\u670d\u52a1\uff0c\u7535\u5b50\u90ae\u4ef6\u670d\u52a1\u5728\u4f01\u4e1a\u548c\u4e2a\u4eba\u901a\u4fe1\u4e2d\u90fd\u626e\u6f14\u7740\u4e3e\u8db3\u8f7b\u91cd\u7684\u89d2\u8272\u3002\u57fa\u4e8e\u7535\u5b50\u90ae\u4ef6\u4f2a\u9020\u653b\u51fb\u7684\u9493\u9c7c\u6b3a\u8bc8\u3001\u52d2\u7d22\u8f6f\u4ef6\u548c\u75c5\u6bd2\u6728\u9a6c\u5df2\u6210\u4e3a\u5f53\u524d\u5a01\u80c1\u4e92\u8054\u7f51\u5b89\u5168\u6700\u4e25\u91cd\u7684\u653b\u51fb\uff0c\u5e76\u7ed9\u76f8\u5173\u4f01\u4e1a\u548c\u4e2a\u4eba\u9020\u6210\u4e86\u91cd\u5927\u8d22\u4ea7\u635f\u5931\u3002\u867d\u7136\u4e0d\u65ad\u6709\u65b0\u7684\u5b89\u5168\u673a\u5236\u88ab\u5f15\u5165\u6765\u4fdd\u62a4\u7535\u5b50\u90ae\u4ef6\u7684\u5b89\u5168\u6027\uff08\u5982\u53d1\u4ef6\u4eba\u7b56\u7565\u6846\u67b6\uff08SPF\uff09\u3001\u57df\u540d\u5bc6\u94a5\u8bc6\u522b\u6807\u51c6\uff08DKIM\uff09\u548c\u57fa\u4e8e\u57df\u7684\u6d88\u606f\u9a8c\u8bc1\u3001\u62a5\u544a\u548c\u4e00\u81f4\u6027\uff08DMARC\uff09\u7b49\u5b89\u5168\u6269\u5c55\u534f\u8bae\uff09\uff0c\u4f46\u662f\u57fa\u4e8e\u7535\u5b50\u90ae\u4ef6\u4f2a\u9020\u7684\u653b\u51fb\u4f9d\u7136\u5c61\u7981\u4e0d\u6b62\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u627e\u5230\u76ee\u524d\u90ae\u4ef6\u4f2a\u9020\u653b\u51fb\u9891\u53d1\u7684\u539f\u56e0\uff0c\u5e76\u4ece\u6839\u6e90\u4e0a\u63d0\u9ad8\u7535\u5b50\u90ae\u4ef6\u7cfb\u7edf\u7684\u5b89\u5168\u6027\uff0c\u8be5\u7814\u7a76\u57fa\u4e8e\u7535\u5b50\u90ae\u4ef6\u4f20\u8f93\u8fc7\u7a0b\u5bf9\u7535\u5b50\u90ae\u4ef6\u4f2a\u9020\u95ee\u9898\u8fdb\u884c\u4e86\u7cfb\u7edf\u6027\u7684\u5b9e\u8bc1\u7814\u7a76\u3002\u8be5\u7814\u7a76\u5171\u53d1\u73b014\u79cd\u53ef\u7ed5\u8fc7SPF\u3001DKIM\u3001DMARC\u4ee5\u53caUI\u4fdd\u62a4\u673a\u5236\u7684\u7535\u5b50\u90ae\u4ef6\u4f2a\u9020\u653b\u51fb\u65b9\u6cd5\u3002\u4e3a\u4e86\u6d4b\u91cf\u8fd9\u4e9b\u653b\u51fb\u5728\u73b0\u5b9e\u4e2d\u7684\u5b9e\u9645\u5f71\u54cd\uff0c\u8be5\u7814\u7a76\u9488\u5bf9\u5168\u740330\u5bb6\u4e3b\u6d41\u90ae\u4ef6\u548c23\u4e2a\u90ae\u4ef6\u5ba2\u6237\u7aef\u8fdb\u884c\u5927\u89c4\u6a21\u5b9e\u9a8c\u4e0e\u5206\u6790\u3002\u5b9e\u9a8c\u7ed3\u679c\u8868\u660e\u8fd9\u4e9b\u4e3b\u6d41\u90ae\u4ef6\u670d\u52a1\u548c\u5ba2\u6237\u7aef\u5747\u53d7\u5230\u4e86\u4e0d\u540c\u7a0b\u5ea6\u7684\u5f71\u54cd\uff0c\u5176\u4e2d\u751a\u81f3\u5305\u62ecGmail\u3001Outlook\u7b49\u77e5\u540d\u90ae\u4ef6\u670d\u52a1\u5546\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"960\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2021\/08\/1-1-1024x960.jpg\" alt=\"\" class=\"wp-image-4940\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/1-1-1024x960.jpg 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/1-1-300x281.jpg 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/1-1-768x720.jpg 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/1-1-150x141.jpg 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/1-1-160x150.jpg 160w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/1-1.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><strong>\u56fe1&nbsp; \u90ae\u4ef6\u4f2a\u9020\u653b\u51fb\u6548\u679c<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e00\u7814\u7a76\u6210\u679c\u53d1\u8868\u4e8e\u7f51\u7edc\u5b89\u5168\u9886\u57df\u9876\u7ea7\u4f1a\u8baeUSENIX Security 2021\u4e0a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bba\u6587\u9898\u76ee\uff1aWeak Links in Authentication Chains: A Large-scale Analysis of Email Sender Spoofing Attacks\uff08\u672c\u6587\u5df2\u88abUSENIX Security 2021\u5f55\u7528\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bba\u6587\u4f5c\u8005\uff1a\u6c88\u51ef\u6587, \u738b\u695a\u6db5(\u5e76\u5217\u4e00\u4f5c), \u90ed\u660e\u78ca, \u90d1\u6653\u5cf0, \u9646\u8d85\u9038, \u5218\u4fdd\u541b, \u8d75\u5b87\u8f69, \u90dd\u53cc, \u6bb5\u6d77\u65b0, \u6f58\u5e86\u4e30, \u6768\u73c9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f5c\u8005\u5355\u4f4d\uff1a\u6e05\u534e\u5927\u5b66\uff0c\u5947\u5b89\u4fe1\u6280\u672f\u7814\u7a76\u9662\uff0c\u5fb7\u5dde\u5927\u5b66\uff0c\u590d\u65e6\u5927\u5b66\uff0cCoremail\u8bba\u5ba2\u6280\u672f\u6709\u9650\u516c\u53f8<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bba\u6587\u4e0b\u8f7d\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.usenix.org\/conference\/usenixsecurity21\/presentation\/shen-kaiwen\">https:\/\/www.usenix.org\/conference\/usenixsecurity21\/presentation\/shen-kaiwen<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><strong>\u4e8c\u3001\u7814\u7a76\u80cc\u666f<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1.\u7535\u5b50\u90ae\u4ef6\u4f20\u9012\u8fc7\u7a0b<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56fe 2 \u5c55\u793a\u4e86\u57fa\u672c\u7684\u7535\u5b50\u90ae\u4ef6\u4f20\u9012\u8fc7\u7a0b\u3002\u53d1\u4ef6\u4eba\u53d1\u9001\u7684\u7535\u5b50\u90ae\u4ef6\u901a\u8fc7SMTP\/HTTP\u534f\u8bae\u4ece\u90ae\u4ef6\u7528\u6237\u4ee3\u7406\uff08MUA\uff09\u4f20\u8f93\u5230\u90ae\u4ef6\u4f20\u8f93\u4ee3\u7406\uff08MTA\uff09\u3002\u7136\u540e\uff0c\u53d1\u9001\u65b9\u7684MTA\u901a\u8fc7SMTP\u534f\u8bae\u5c06\u90ae\u4ef6\u53d1\u9001\u5230\u63a5\u6536\u65b9\u7684MTA\u3002\u63a5\u6536\u65b9MUA\u901a\u8fc7HTTP\u3001IMAP\u6216\u8005POP3\u534f\u8bae\uff0c\u4ece\u63a5\u6536\u65b9MTA\u83b7\u53d6\u7535\u5b50\u90ae\u4ef6\u5185\u5bb9\u3002\u6b64\u5916\uff0c\u5f53\u63a5\u6536\u65b9\u914d\u7f6e\u4e86\u90ae\u4ef6\u81ea\u52a8\u8f6c\u53d1\u65f6\uff0c\u63a5\u6536\u65b9\u6240\u5728\u7684\u7535\u5b50\u90ae\u4ef6\u670d\u52a1\u5668\u4f1a\u5145\u5f53\u90ae\u4ef6\u4e2d\u7ee7\u5c06\u90ae\u4ef6\u8fdb\u884c\u8f6c\u53d1\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"493\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2021\/08\/2-1-1024x493.jpg\" alt=\"\" class=\"wp-image-4941\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/2-1-1024x493.jpg 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/2-1-300x144.jpg 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/2-1-768x370.jpg 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/2-1-150x72.jpg 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/2-1-250x120.jpg 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/2-1.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><strong>\u56fe 2 \u7535\u5b50\u90ae\u4ef6\u4f20\u9012\u8fc7\u7a0b<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u6211\u4eec\u4ece\u7535\u5b50\u90ae\u4ef6\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u63d0\u70bc\u51fa\u56db\u4e2a\u91cd\u8981\u7684\u8eab\u4efd\u9a8c\u8bc1\u9636\u6bb5\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1\uff09\u90ae\u4ef6\u53d1\u9001\u9a8c\u8bc1\u9636\u6bb5\uff1a<\/strong>\u00a0\u53d1\u4ef6\u4eba\u901a\u8fc7SMTP\u534f\u8bae\u4eceMUA\u53d1\u9001\u7535\u5b50\u90ae\u4ef6\u65f6\uff0c\u53d1\u4ef6\u8005\u9700\u8981\u8f93\u5165\u5176\u7528\u6237\u540d\u4ee5\u53ca\u5bc6\u7801\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002\u5728\u8be5\u8fc7\u7a0b\u4e2d\uff0c\u53d1\u4ef6\u65b9\u7684MTA\u4e0d\u4ec5\u9700\u8981\u9a8c\u8bc1\u7528\u6237\u7684\u8eab\u4efd\uff0c\u8fd8\u9700\u8981\u786e\u4fdd\u53d1\u9001\u7535\u5b50\u90ae\u4ef6\u4e2d\u7684Mail From\u4e0e\u767b\u9646\u7684\u7528\u6237\u4e00\u81f4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2\uff09\u90ae\u4ef6\u63a5\u6536\u9a8c\u8bc1\u9636\u6bb5\uff1a<\/strong>\u6536\u4ef6\u65b9\u7684MTA\u63a5\u6536\u5230\u90ae\u4ef6\u540e\uff0cMTA\u5c06\u901a\u8fc7SPF\u3001DKIM\u3001DMARC\u534f\u8bae\u6821\u9a8c\u7ed3\u679c\u6765\u9a8c\u8bc1\u7535\u5b50\u90ae\u4ef6\u53d1\u4ef6\u4eba\u7684\u771f\u5b9e\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3\uff09\u90ae\u4ef6\u8f6c\u53d1\u9a8c\u8bc1\u9636\u6bb5\uff1a<\/strong>\u5f53\u8f6c\u53d1\u670d\u52a1\u5668\u81ea\u52a8\u8f6c\u53d1\u7535\u5b50\u90ae\u4ef6\u65f6\uff0c\u8f6c\u53d1\u670d\u52a1\u5668\u5e94\u786e\u4fdd\u8be5\u90ae\u4ef6\u4e2d\u53d1\u4ef6\u4eba\u7684\u771f\u5b9e\u6027\u3002\u8f6c\u53d1\u8005\u4e0d\u5e94\u5bf9\u672a\u7ecf\u9a8c\u8bc1\u7684\u7535\u5b50\u90ae\u4ef6\u63d0\u4f9b\u989d\u5916\u62c5\u4fdd\uff0c\u6bd4\u5982\u5bf9\u672a\u901a\u8fc7DKIM\u9a8c\u8bc1\u7684\u7535\u5b50\u90ae\u4ef6\u4e3b\u52a8\u6dfb\u52a0\u8f6c\u53d1\u57df\u81ea\u8eab\u7684DKIM\u7b7e\u540d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4\uff09\u90ae\u4ef6UI\u6e32\u67d3\u9636\u6bb5\uff1a<\/strong>\u8be5\u9636\u6bb5\u901a\u5e38\u7531\u90ae\u4ef6\u5ba2\u6237\u7aef\u5b9e\u73b0\uff0c\u5c06\u90ae\u4ef6\u5185\u5bb9\u6e32\u67d3\u4e3a\u7528\u6237\u53cb\u597d\u7684\u663e\u793a\u754c\u9762\u3002\u7136\u800c\uff0c\u5927\u591a\u6570\u7684\u7535\u5b50\u90ae\u4ef6\u5ba2\u6237\u7aef\u4e0d\u4f1a\u5411\u7528\u6237\u663e\u793a\u7535\u5b50\u90ae\u4ef6\u7684\u8eab\u4efd\u6821\u9a8c\u7ed3\u679c\u3002\u6b64\u5916\uff0c\u67d0\u4e9b\u7279\u6b8a\u5b57\u7b26\u3001\u7f16\u7801\u683c\u5f0f\u90fd\u6709\u53ef\u80fd\u5f71\u54cd\u5ba2\u6237\u7aef\u5bf9\u53d1\u4ef6\u4eba\u5730\u5740\u7684\u6b63\u786e\u663e\u793a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:left\"><strong>2.\u73b0\u6709\u7684\u7535\u5b50\u90ae\u4ef6\u5b89\u5168\u62d3\u5c55\u534f\u8bae<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u76ee\u524d\uff0c\u6700\u6d41\u884c\u7684\u90ae\u4ef6\u5b89\u5168\u6269\u5c55\u534f\u8bae\u4e3b\u8981\u6709SPF\u3001DKIM \u4e0e DMARC\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SPF\u534f\u8bae\uff1a<\/strong>&nbsp;SPF\u534f\u8bae\u662f\u57fa\u4e8eIP\u7684\u8eab\u4efd\u9a8c\u8bc1\u534f\u8bae\u3002\u6536\u4ef6\u4eba\u53ef\u4ee5\u901a\u8fc7\u67e5\u8be2\u53d1\u4ef6\u4eba\u90ae\u7bb1\u57df\u540d\u7684SPF\u8bb0\u5f55\uff08\u4e00\u7ec4IP\u5217\u8868\uff0c\u7531TXT\u7c7b\u578b\u7684DNS\u8bb0\u5f55\u6807\u793a\uff09\u4ee5\u53ca\u53d1\u4ef6\u4ebaIP\u6765\u786e\u5b9a\u7535\u5b50\u90ae\u4ef6\u662f\u5426\u6765\u81ea\u771f\u5b9e\u7684\u7535\u5b50\u90ae\u4ef6\u57df\u540d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>DKIM\u534f\u8bae\uff1a<\/strong>DKIM\u534f\u8bae\u662f\u57fa\u4e8e\u6570\u5b57\u7b7e\u540d\u7684\u8eab\u4efd\u9a8c\u8bc1\u534f\u8bae\u3002\u57fa\u4e8e\u975e\u5bf9\u79f0\u5bc6\u94a5\u52a0\u5bc6\u7b97\u6cd5\uff0cDKIM\u53ef\u4ee5\u8ba9\u53d1\u4ef6\u4eba\u5c06\u6570\u5b57\u7b7e\u540d\u6dfb\u52a0\u5230\u7535\u5b50\u90ae\u4ef6\u7684\u6807\u5934\u4e2d\uff0c\u6765\u786e\u4fdd\u7535\u5b50\u90ae\u4ef6\u4e0d\u88ab\u4fee\u6539\u6216\u8005\u4f2a\u9020\u3002\u63a5\u6536\u65b9\u53ef\u4ee5\u901a\u8fc7\u67e5\u8be2\u90ae\u4ef6\u57df\u540d\u4e0b\u7684DNS\u8bb0\u5f55\u83b7\u5f97DKIM\u516c\u94a5\u5e76\u5bf9\u90ae\u4ef6\u8fdb\u884c\u9a8c\u8bc1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>DMARC\u534f\u8bae\uff1a&nbsp;<\/strong>DMARC\u534f\u8bae\u662f\u57fa\u4e8eSPF\u548cDKIM\u9a8c\u8bc1\u7ed3\u679c\u7684\u8eab\u4efd\u9a8c\u8bc1\u673a\u5236\u3002\u5b83\u5f15\u5165\u4e86\u8eab\u4efd\u6807\u8bc6\u7b26\u5bf9\u9f50\u68c0\u67e5\u548c\u62a5\u544a\u53cd\u9988\u673a\u5236\uff0c\u7528\u4ee5\u4fdd\u62a4\u57df\u540d\u514d\u53d7\u7535\u5b50\u90ae\u4ef6\u4f2a\u9020\u653b\u51fb\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><strong>\u4e09\u3001\u4e3b\u8981\u53d1\u73b0<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u7814\u7a76\u7cfb\u7edf\u6027\u5730\u5206\u6790\u4e86\u7535\u5b50\u90ae\u4ef6\u4f20\u9012\u8fc7\u7a0b\u4e2d\u6d89\u53ca\u5230\u8eab\u4efd\u9a8c\u8bc1\u7684\u56db\u4e2a\u5173\u952e\u9636\u6bb5\uff1a\u90ae\u4ef6\u53d1\u9001\u9a8c\u8bc1\u9636\u6bb5\uff0c\u90ae\u4ef6\u63a5\u6536\u9a8c\u8bc1\u9636\u6bb5\uff0c\u90ae\u4ef6\u8f6c\u53d1\u9a8c\u8bc1\u9636\u6bb5\u4ee5\u53ca\u90ae\u4ef6UI\u6e32\u67d3\u9636\u6bb5\u3002\u6211\u4eec\u53d1\u73b0\u5728\u8fd9\u56db\u4e2a\u9636\u6bb5\u5747\u5b58\u5728\u7531\u534f\u8bae\u8bbe\u8ba1\u6216\u5b9e\u73b0\u4e0a\u7684\u7f3a\u9677\u800c\u5f15\u5165\u7684\u5b89\u5168\u95ee\u9898\u3002<strong>\u6211\u4eec\u5171\u53d1\u73b0\u4e8614\u79cd\u53ef\u5206\u522b\u7ed5\u8fc7SPF\u3001DKIM\u3001DMARC\u6216UI\u4fdd\u62a4\u673a\u5236\u7684\u90ae\u4ef6\u4f2a\u9020\u653b\u51fb\uff0c\u5176\u4e2d9\u79cd\u4e3a\u6211\u4eec\u63d0\u51fa\u7684\u65b0\u578b\u653b\u51fb\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u56fe3\u6240\u793a\uff0c\u6211\u4eec\u5c06\u8fd914\u79cd\u653b\u51fb\u65b9\u6cd5\u5f52\u7eb3\u6210\u4e86\u4e09\u79cd\u653b\u51fb\u6a21\u578b\uff1aa. Shared MTA Attack. b. Direct MTA Attack. c. Forward MTA Attack. \u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"892\" height=\"540\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2021\/08\/3-1.jpg\" alt=\"\" class=\"wp-image-4942\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/3-1.jpg 892w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/3-1-300x182.jpg 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/3-1-768x465.jpg 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/3-1-150x91.jpg 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/3-1-248x150.jpg 248w\" sizes=\"auto, (max-width: 892px) 100vw, 892px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\">&nbsp;<strong>\u56fe 3&nbsp; \u4e09\u79cd\u653b\u51fb\u6a21\u578b<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><br><strong>\u88681 14\u79cd\u90ae\u4ef6\u4f2a\u9020\u653b\u51fb\u65b9\u6cd5<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"842\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2021\/08\/4-1024x842.jpg\" alt=\"\" class=\"wp-image-4943\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/4-1024x842.jpg 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/4-300x247.jpg 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/4-768x632.jpg 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/4-150x123.jpg 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/4-182x150.jpg 182w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/4.jpg 1032w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u73b0\u5b9e\u653b\u51fb\u8fc7\u7a0b\u4e2d\uff0c\u653b\u51fb\u8005\u8fd8\u53ef\u4ee5\u901a\u8fc7\u7ec4\u5408\u4e0d\u540c\u7684\u653b\u51fb\u6280\u5de7\u6765\u4f7f\u5f97\u653b\u51fb\u66f4\u901a\u7528\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7\u7ec4\u5408\u653b\u51fb\u7684\u65b9\u5f0f\u6784\u5efa\u51fa\u80fd\u591f\u901a\u8fc7\u4e09\u4e2a\u90ae\u4ef6\u5b89\u5168\u534f\u8bae\uff08SPF\u3001DKIM\u3001DMARC\uff09\u9a8c\u8bc1\u7684\u4f2a\u9020\u90ae\u4ef6\u3002\u56fe4\u5c55\u793a\u4e86\u4e00\u5c01\u6765\u81ea\u4e0eadmin@aliyun.com\u53d1\u5f80victim@gmail.com\u7684\u4f2a\u9020\u90ae\u4ef6\uff0c\u5e76\u4e14\u8be5\u90ae\u4ef6\u53ef\u4ee5\u901a\u8fc7Gmail\u7684SPF\u3001DKIM\u3001DMARC\u9a8c\u8bc1\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"740\" height=\"717\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2021\/08\/5.jpg\" alt=\"\" class=\"wp-image-4944\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/5.jpg 740w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/5-300x291.jpg 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/5-150x145.jpg 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/5-155x150.jpg 155w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><strong>\u56fe 4 \u4e00\u5c01\u7ec4\u5408\u653b\u51fb\u4f2a\u9020\u90ae\u4ef6\u793a\u4f8b<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56fe4\u4e2d\u7684\u653b\u51fb\u662f\u901a\u8fc7\u7ec4\u5408A2\u3001A3\u3001A10\u4e09\u79cd\u4e0d\u540c\u7684\u4f2a\u9020\u653b\u51fb\u6280\u5de7\uff0c\u540c\u65f6\u7ed3\u5408\u4e86Direct MTA Attack\u3001Forward MTA Attack\u4e24\u79cd\u653b\u51fb\u6a21\u578b\u5b9e\u73b0\u7684\uff0c\u5177\u4f53\u7684\u653b\u51fb\u5b9e\u73b0\u7ec6\u8282\u5982\u56fe5\u6240\u793a\u3002\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"816\" height=\"745\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2021\/08\/6.jpg\" alt=\"\" class=\"wp-image-4945\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/6.jpg 816w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/6-300x274.jpg 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/6-768x701.jpg 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/6-150x137.jpg 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/6-164x150.jpg 164w\" sizes=\"auto, (max-width: 816px) 100vw, 816px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><strong>\u56fe 5&nbsp; \u4f2a\u9020\u6765\u81ea admin@aliyun.com \u53d1\u5f80 victim@gmail.com \u7684\u7ec4\u5408\u653b\u51fb<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u8bc4\u4f30\u8fd9\u4e9b\u653b\u51fb\u65b9\u6cd5\u5bf9\u73b0\u5b9e\u90ae\u4ef6\u751f\u6001\u7cfb\u7edf\u7684\u5f71\u54cd\uff0c\u6211\u4eec\u5bf9\u4e16\u754c\u4e0a\u6700\u6d41\u884c\u768430\u5bb6\u90ae\u4ef6\u670d\u52a1\u63d0\u4f9b\u5546\u4ee5\u53ca23\u4e2a\u7535\u5b50\u90ae\u4ef6\u5ba2\u6237\u7aef\u8fdb\u884c\u4e86\u6d4b\u91cf\u3002\u6d4b\u91cf\u7ed3\u679c\u975e\u5e38\u4ee4\u4eba\u60ca\u8bb6\uff0c\u51e0\u4e4e\u6240\u6709\u7684\u90ae\u4ef6\u670d\u52a1\u90fd\u53d7\u5230\u8fd9\u4e9b\u653b\u51fb\u7684\u5f71\u54cd\u3002\u6211\u4eec\u5df2\u5c06\u53d1\u73b0\u7684\u6f0f\u6d1e\u6c47\u62a5\u7ed9\u76f8\u5173\u7684\u5382\u5546\uff0c\u5e76\u534f\u52a9\u4ed6\u4eec\u8fdb\u884c\u4e86\u4fee\u590d\u3002\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u63d0\u51fa\u4e86\u591a\u9879\u7f13\u89e3\u63aa\u65bd\u6765\u5e94\u5bf9\u8fd9\u4e9b\u653b\u51fb\u3002\u540c\u65f6\uff0c\u6211\u4eec\u4e5f\u5728Github\u4e0a\u5f00\u6e90\u4e86\u76f8\u5173\u7684\u6d4b\u8bd5\u5de5\u5177\uff0c\u4f9b\u90ae\u4ef6\u7ba1\u7406\u5458\u8bc4\u4f30\u548c\u589e\u5f3a\u5176\u90ae\u4ef6\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><strong>\u8868 2\u00a0 \u5bf930\u4e2a\u6d41\u884c\u7535\u5b50\u90ae\u4ef6\u670d\u52a1\u7684\u6d4b\u91cf\u7ed3\u679c<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"836\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2021\/08\/7-1024x836.jpg\" alt=\"\" class=\"wp-image-4946\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/7-1024x836.jpg 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/7-300x245.jpg 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/7-768x627.jpg 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/7-150x123.jpg 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/7-184x150.jpg 184w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/7.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><strong>\u8868 3 \u5bf923\u4e2a\u6d41\u884c\u7535\u5b50\u90ae\u4ef6\u5ba2\u6237\u7aef\u7684\u6d4b\u91cf\u7ed3\u679c<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"739\" height=\"1024\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2021\/08\/8-739x1024.jpg\" alt=\"\" class=\"wp-image-4947\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/8-739x1024.jpg 739w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/8-217x300.jpg 217w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/8-768x1064.jpg 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/8-108x150.jpg 108w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/8.jpg 836w\" sizes=\"auto, (max-width: 739px) 100vw, 739px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><strong>\u56db\u3001\u539f\u56e0\u5256\u6790<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u9879\u7814\u7a76\u53d1\u73b0\u7535\u5b50\u90ae\u4ef6\u7cfb\u7edf\u4e2d\u7684\u8eab\u4efd\u9a8c\u8bc1\u673a\u5236\u662f\u4e00\u4e2a\u7531\u591a\u4e2a\u534f\u8bae\u3001\u4e0d\u540c\u7684\u8eab\u4efd\u89d2\u8272\u548c\u90ae\u4ef6\u670d\u52a1\u5171\u540c\u7ef4\u62a4\u7684\u8eab\u4efd\u9a8c\u8bc1\u94fe\uff0c\u540c\u65f6\u63ed\u793a\u4e86\u8fd9\u7c7b\u57fa\u4e8e\u591a\u65b9\u7684\u9a8c\u8bc1\u94fe\u7ed3\u6784\u7684\u8106\u5f31\u6027\u3002\u6b63\u5982\u201c\u6728\u6876\u5b9a\u5f8b\u201d\uff0c\u4e00\u4e2a\u6728\u6876\u7684\u6700\u5927\u5bb9\u91cf\u53d6\u51b3\u4e8e\u5176\u6700\u77ed\u7684\u90a3\u6839\u6728\u677f\u3002<strong>\u7535\u5b50\u90ae\u4ef6\u8eab\u4efd\u9a8c\u8bc1\u94fe\u9700\u8981\u591a\u4e2a\u534f\u8bae\u3001\u4e0d\u540c\u7684\u8eab\u4efd\u89d2\u8272\u548c\u90ae\u4ef6\u670d\u52a1\u76f8\u4e92\u914d\u5408\uff0c\u5176\u4e2d\u7684\u4efb\u4f55\u4e00\u4e2a\u73af\u8282\u5b58\u5728\u5b89\u5168\u95ee\u9898\u90fd\u6709\u53ef\u80fd\u7834\u574f\u6574\u4e2a\u8eab\u4efd\u9a8c\u8bc1\u94fe\u7684\u9632\u5fa1\u673a\u5236\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\uff0c\u5728\u534f\u8bae\u5c42\u9762\uff0cSMTP\u534f\u8bae\u8bbe\u8ba1\u4e86\u591a\u4e2a\u5305\u542b\u53d1\u4ef6\u4eba\u8eab\u4efd\u4fe1\u606f\u7684\u5b57\u6bb5\uff08Auth username, MAIL From, From, Sender\uff09\u3002\u8fd9\u4e9b\u5b57\u6bb5\u7684\u4e0d\u4e00\u81f4\u4e3a\u7535\u5b50\u90ae\u4ef6\u4f2a\u9020\u653b\u51fb\u63d0\u4f9b\u4e86\u57fa\u7840\u3002\u6b64\u5916\uff0c\u5982\u56fe6\u6240\u793a\uff0c\u90ae\u4ef6\u8eab\u4efd\u9a8c\u8bc1\u7684\u5b89\u5168\u6027\u9700\u8981\u7531SPF\u3001DKIM\u3001DMARC\u4e09\u4e2a\u534f\u8bae\u5171\u540c\u7ef4\u62a4\u3002\u7136\u800c\uff0c\u8fd9\u4e09\u7c7b\u534f\u8bae\u5177\u4f53\u4fdd\u62a4\u7684\u5b9e\u4f53\uff08\u5b57\u6bb5\uff09\u5374\u5e76\u4e0d\u4e00\u81f4\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8fd9\u4e9b\u4e0d\u4e00\u81f4\u901a\u8fc7\u6784\u9020\u5177\u6709\u6b67\u4e49\u7684\u90ae\u4ef6\u534f\u8bae\u6570\u636e\u7ed5\u8fc7SPF\u3001DKIM\u3001DMARC\u7684\u9a8c\u8bc1\u673a\u5236\uff0c\u4ece\u800c\u6210\u529f\u8fdb\u884c\u4f2a\u9020\u7535\u5b50\u90ae\u4ef6\u653b\u51fb\u3002\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"338\" src=\"https:\/\/www.inforsec.org\/wp\/wp-content\/uploads\/2021\/08\/9-1024x338.jpg\" alt=\"\" class=\"wp-image-4948\" srcset=\"http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/9-1024x338.jpg 1024w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/9-300x99.jpg 300w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/9-768x254.jpg 768w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/9-150x50.jpg 150w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/9-250x83.jpg 250w, http:\/\/202.112.238.40\/wp\/wp-content\/uploads\/2021\/08\/9.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><strong>\u56fe 6&nbsp; SPF\u3001DKIM\u3001DMARC\u5206\u522b\u4ece\u4e0d\u540c\u7ef4\u5ea6<\/strong><strong>\u8fdb\u884c\u90ae\u4ef6\u8eab\u4efd\u9a8c\u8bc1<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u6b21\uff0c\u8003\u8651\u90ae\u4ef6\u8eab\u4efd\u9a8c\u8bc1\u94fe\u4e2d\u6d89\u53ca\u7684\u56db\u4e2a\u91cd\u8981\u89d2\u8272\uff1a\u53d1\u9001\u8005\u3001\u63a5\u6536\u8005\u3001\u8f6c\u53d1\u8005\u4ee5\u53caUI\u6e32\u67d3\u8005\u3002\u5728\u8be5\u6a21\u578b\u4e0b\uff0c\u6bcf\u4e2a\u89d2\u8272\u5747\u9700\u627f\u62c5\u4e0d\u540c\u7684\u5b89\u5168\u804c\u8d23\u3002\u5982\u679c\u4efb\u4e00\u89d2\u8272\u6ca1\u6709\u63d0\u4f9b\u9002\u5f53\u7684\u5b89\u5168\u9632\u5fa1\u89e3\u51b3\u63aa\u65bd\uff0c\u5219\u6574\u4f53\u90ae\u4ef6\u7684\u771f\u5b9e\u6027\u4fbf\u65e0\u6cd5\u4fdd\u969c\u3002\u6bd4\u5982\u4e0d\u540c\u90ae\u4ef6\u670d\u52a1\u7684\u5b89\u5168\u7b56\u7565\u5b9e\u65bd\u4fa7\u91cd\u70b9\u4e0d\u540c\uff0c\u6709\u4e9b\u90ae\u4ef6\u670d\u52a1(A)\u4fa7\u91cd\u4e8e\u5728\u53d1\u9001\u7aef\u5b9e\u65bd\u4e25\u683c\u7684\u5b89\u5168\u9a8c\u8bc1\u673a\u5236\uff0c\u800c\u5728\u63a5\u6536\u65b9\u5b9e\u884c\u76f8\u5bf9\u5bbd\u677e\u7684\u51c6\u5165\u673a\u5236\uff1b\u800c\u6709\u4e9b\u90ae\u4ef6\u670d\u52a1(B)\u4fa7\u91cd\u5728\u63a5\u6536\u65b9\u8fdb\u884c\u4e25\u683c\u7684\u5b89\u5168\u9a8c\u8bc1\u673a\u5236\uff0c\u4f46\u5728\u53d1\u9001\u65f6\u7684\u68c0\u67e5\u5c31\u76f8\u5bf9\u5bbd\u677e\u3002\u8fd9\u5bfc\u81f4\u653b\u51fb\u8005\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u4eceB\u90ae\u4ef6\u53d1\u9001\u5177\u6709\u6b67\u4e49\u7684\u4f2a\u9020\u90ae\u4ef6\u8fdb\u5165A\u90ae\u4ef6\u670d\u52a1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u540e\uff0c\u4e0d\u540c\u7535\u5b50\u90ae\u4ef6\u670d\u52a1\u5bf9\u5b89\u5168\u534f\u8bae\u7684\u5b9e\u73b0\u5f80\u5f80\u4e0d\u540c\uff0c\u800c\u4e14\u6709\u4e9b\u5b9e\u73b0\u4f1a\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u8fdd\u53cdRFC\u89c4\u5b9a\u3002\u56e0\u6b64\uff0c\u5728\u5904\u7406\u5e26\u6709\u6b67\u4e49\u6570\u636e\u7684\u7535\u5b50\u90ae\u4ef6\uff08\u5982\u591a\u4e2aFrom\u5934\u90e8\uff09\u65f6\uff0c\u4e0d\u540c\u7684\u90ae\u4ef6\u670d\u52a1\u5927\u6982\u7387\u4f1a\u5b58\u5728\u4e0d\u4e00\u81f4\u7684\u8bed\u4e49\u7406\u89e3\u3002\u8fd9\u4e9b\u4e0d\u4e00\u81f4\u7684\u7f3a\u9677\u6700\u7ec8\u4e5f\u5c06\u5bfc\u81f4\u90ae\u4ef6\u4f2a\u9020\u653b\u51fb\u7684\u5f62\u6210\u3002&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><strong>\u4e94\u3001\u603b\u7ed3<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u7814\u7a76\u8bc1\u660e\u4e86\u7535\u5b50\u90ae\u4ef6\u751f\u6001\u4e2d\u8fd9\u79cd\u57fa\u4e8e\u94fe\u7ed3\u6784\u7684\u8eab\u4efd\u9a8c\u8bc1\u673a\u5236\u7684\u8106\u5f31\u6027\u3002\u5728\u6574\u4e2a\u7814\u7a76\u8fc7\u7a0b\u4e2d\uff0c\u8be5\u7814\u7a76\u5171\u53d1\u73b0\u4e8614\u79cd\u4e0d\u540c\u7684\u90ae\u4ef6\u4f2a\u9020\u653b\u51fb\u6280\u5de7\u3002\u6b64\u5916\uff0c\u8be5\u7814\u7a76\u8fd8\u5bf930\u79cd\u6d41\u884c\u7684\u7535\u5b50\u90ae\u4ef6\u670d\u52a1\u548c23\u4e2a\u7535\u5b50\u90ae\u4ef6\u5ba2\u6237\u7aef\u8fdb\u884c\u4e86\u5927\u89c4\u6a21\u6d4b\u91cf\u4e0e\u5206\u6790\u3002\u7ed3\u679c\u8868\u660e\uff0c\u76ee\u524d\u4e3b\u6d41\u7684\u90ae\u4ef6\u670d\u52a1\u5747\u5bb9\u6613\u88ab\u76f8\u5173\u7684\u653b\u51fb\u5f71\u54cd\u3002\u4f9d\u636e\u8fd9\u4e9b\u53d1\u73b0\uff0c\u8be5\u7814\u7a76\u6df1\u5165\u5256\u6790\u4e86\u90ae\u4ef6\u4f2a\u9020\u653b\u51fb\u9891\u53d1\u4e14\u96be\u4ee5\u6cbb\u7406\u7684\u6839\u672c\u539f\u56e0\u4e4b\u4e00\uff1a\u591a\u65b9\u5bf9\u5b89\u5168\u673a\u5236\u7406\u89e3\u548c\u5b9e\u73b0\u4e4b\u95f4\u7684\u4e0d\u4e00\u81f4\u3002\u6211\u4eec\u5e0c\u671b\u8fd9\u9879\u5de5\u4f5c\u80fd\u5e2e\u52a9\u7535\u5b50\u90ae\u4ef6\u884c\u4e1a\u66f4\u6709\u6548\u5730\u4fdd\u62a4\u7528\u6237\uff0c\u51cf\u5c0f\u90ae\u4ef6\u4f2a\u9020\u653b\u51fb\u7684\u5371\u5bb3\uff0c\u5e76\u5207\u5b9e\u63d0\u9ad8\u7535\u5b50\u90ae\u4ef6\u751f\u6001\u7cfb\u7edf\u7684\u6574\u4f53\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9650\u4e8e\u7bc7\u5e45\uff0c\u8fd9\u91cc\u53ea\u5bf9\u6b64\u9879\u7814\u7a76\u8fdb\u884c\u4e86\u7b80\u5355\u4ecb\u7ecd\u3002\u5bf9\u8fd9\u9879\u5de5\u4f5c\u611f\u5174\u8da3\u7684\u8bfb\u8005\uff0c\u53ef\u79fb\u6b65\u9605\u8bfb\u5b8c\u6574\u8bba\u6587\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.usenix.org\/conference\/usenixsecurity21\/presentation\/shen-kaiwen\">https:\/\/www.usenix.org\/conference\/usenixsecurity21\/presentation\/shen-kaiwen<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;\uff08\u4f5c\u8005\u5355\u4f4d\u4e3a\u6e05\u534e\u5927\u5b66\u7f51\u7edc\u7814\u7a76\u9662\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\/ \u6c88\u51ef\u6587 \u6e05\u534e\u5927\u5b66 \u4e00\u3001\u5f15\u8a00 \u4f5c\u4e3a\u4e92\u8054\u7f51\u4e0a\u90e8\u7f72\u3001\u5e94\u7528\u6700\u5e7f\u6cdb\u7684\u57fa\u7840\u901a\u4fe1\u670d\u52a1\uff0c\u7535\u5b50\u90ae\u4ef6\u670d\u52a1\u5728\u4f01\u4e1a\u548c\u4e2a&#8230; <a class=\"continue-reading-link\" href=\"http:\/\/202.112.238.40\/wp\/?p=4939\"> Continue reading <span class=\"meta-nav\">&rarr; <\/span><\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-4939","post","type-post","status-publish","format-standard","hentry","category-research"],"_links":{"self":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/4939","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4939"}],"version-history":[{"count":2,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/4939\/revisions"}],"predecessor-version":[{"id":4950,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=\/wp\/v2\/posts\/4939\/revisions\/4950"}],"wp:attachment":[{"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4939"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4939"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/202.112.238.40\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4939"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}