{"id":10355,"date":"2014-11-06T09:00:41","date_gmt":"2014-11-06T01:00:41","guid":{"rendered":"https:\/\/blog.trendmicro.com.tw\/?p=10355"},"modified":"2014-11-04T13:50:09","modified_gmt":"2014-11-04T05:50:09","slug":"shellshock-%e6%96%b0%e5%bc%8f%e6%94%bb%e6%93%8a%e9%87%9d%e5%b0%8dsmtp%e4%bc%ba%e6%9c%8d%e5%99%a8%ef%bc%8c%e5%8f%b0%e7%81%a3%e7%82%ba%e5%ad%98%e5%8f%96%e6%83%a1%e6%84%8f%e8%bb%9f%e9%ab%94%e7%b6%b2","status":"publish","type":"post","link":"https:\/\/blog.trendmicro.com.tw\/?p=10355","title":{"rendered":"Shellshock \u65b0\u5f0f\u653b\u64ca\u91dd\u5c0dSMTP\u4f3a\u670d\u5668\uff0c\u53f0\u7063\u70ba\u5b58\u53d6\u60e1\u610f\u7db2\u7ad9\u6700\u591a\u7684\u570b\u5bb6"},"content":{"rendered":"<p><a href=\"https:\/\/www.trendmicro.com.tw\/edm\/Tracking.asp?id=2651&amp;name=20110916\">\u8da8\u52e2\u79d1\u6280<\/a>\u767c\u73fe\u4e86\u91dd\u5c0dSMTP\u4f3a\u670d\u5668\u7684\u65b0\u5f0fShellshock\u653b\u64ca\u3002\u653b\u64ca\u8005\u5229\u7528\u96fb\u5b50\u90f5\u4ef6\u4f86\u653b\u64ca\u9019\u500b\u6f0f\u6d1e\u3002\u5982\u679c\u6f0f\u6d1e\u653b\u64ca\u78bc\u5728\u6709\u6f0f\u6d1e\u7684SMTP\u4f3a\u670d\u5668\u4e0a\u88ab\u57f7\u884c\u6210\u529f\uff0c\u5c31\u6703\u4e0b\u8f09\u4e26\u57f7\u884c\u88ab\u7a31\u70ba\u300cJST Perl IrcBot\u300d\u7684IRC\u6bad\u5c4d\u7a0b\u5f0f\u3002\u5b83\u6703\u5728\u57f7\u884c\u5f8c\u522a\u9664\u81ea\u5df1\uff0c\u9019\u5f88\u6709\u53ef\u80fd\u662f\u6f5b\u4f0f\u5728\u96f7\u9054\u4e4b\u4e0b\u800c\u4e0d\u88ab\u5075\u6e2c\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u4e0b\u5716\u63cf\u8ff0\u4e86\u653b\u64ca\u7684\u9031\u671f\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2014\/10\/smtp-shellshock1.jpg\" alt=\"\" width=\"639\" height=\"431\" \/><\/p>\n<p><em>\u5716\u4e00\u3001SMTP\u653b\u64ca\u5716\u89e3<\/em><\/p>\n<p>&nbsp;<\/p>\n<ol>\n<li>\u653b\u64ca\u8005\u5c07Shellshock\u60e1\u610f\u7a0b\u5f0f\u78bc\u63d2\u5165\u5230\u4e3b\u65e8\u3001\u5bc4\u4ef6\u8005\u3001\u6536\u4ef6\u8005\u548c\u526f\u672c\u6b04\u4f4d\u4f86\u88fd\u9020\u51fa\u60e1\u610f\u96fb\u5b50\u90f5\u4ef6\u3002<\/li>\n<li>\u653b\u64ca\u8005\u63a5\u8457\u5c07\u9019\u5c01\u96fb\u5b50\u90f5\u4ef6\u767c\u9001\u5230\u4efb\u4f55\u53ef\u80fd\u6709\u6b64\u6f0f\u6d1e\u7684SMTP\u4f3a\u670d\u5668\u3002<\/li>\n<li>\u7576\u6709\u6f0f\u6d1e\u7684SMTP\u90f5\u4ef6\u4f3a\u670d\u5668\u6536\u5230\u6b64\u60e1\u610f\u96fb\u5b50\u90f5\u4ef6\u6642\uff0c\u5167\u5d4c\u7684Shellshock\u60e1\u610f\u7a0b\u5f0f\u78bc\u5c31\u6703\u88ab\u57f7\u884c\uff0c\u7136\u5f8c\u4e0b\u8f09\u4e26\u57f7\u884c\u4e00\u500bIRC\u50f5\u5c4d\u7a0b\u5f0f\u3002\u63a5\u8457\u6703\u5efa\u7acb\u5c0dIRC\u4f3a\u670d\u5668\u7684\u9023\u7dda\u3002<\/li>\n<li>\u653b\u64ca\u8005\u4e4b\u5f8c\u5c31\u80fd\u5920\u5229\u7528\u90f5\u4ef6\u4f3a\u670d\u5668\u4f86\u9032\u884c\u5404\u7a2e\u60e1\u610f\u6d3b\u52d5\uff0c\u5982\u767c\u52d5\u5783\u573e\u90f5\u4ef6\u653b\u64ca\u6d3b\u52d5\u3002<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p><strong><em>\u53ef\u80fd\u6709\u6f0f\u6d1e\u7684\u90f5\u4ef6\u4f3a\u670d\u5668<\/em><\/strong><\/p>\n<p><a href=\"https:\/\/www.trendmicro.com.tw\/edm\/Tracking.asp?id=2651&amp;name=20110916\">\u8da8\u52e2\u79d1\u6280<\/a>\u5217\u51fa\u4e86\u5404\u7a2e\u53ef\u80fd\u6709\u6b64\u6f0f\u6d1e\u7684\u90f5\u4ef6\u4f3a\u670d\u5668\u74b0\u5883\u3002<\/p>\n<ol>\n<li>qmail\u90f5\u4ef6\u50b3\u8f38\u4ee3\u7406\u7a0b\u5f0f\uff08MTA\uff09<\/li>\n<\/ol>\n<p>.qmail\u662f\u63a7\u5236\u96fb\u5b50\u90f5\u4ef6\u50b3\u8f38\u7684UNIX\u8a2d\u5b9a\u6a94\uff0c\u4e5f\u8ca0\u8cac\u53bb\u57f7\u884cBash shell\u6307\u4ee4\u3002\u53ef\u4ee5<a href=\"https:\/\/www.lifewithqmail.org\/lwq.html#dot-qmail-files\">\u8a2d\u5b9a\u5b83<\/a>\u53bb\u555f\u52d5\u7a0b\u5f0f\uff0c\u4e00\u65e6\u5b83\u547c\u53eb\u4e86Bash\uff0c\u653b\u64ca\u5c31\u7b97\u6210\u529f\u4e86\u3002\uff08\u9019\u653b\u64ca\u9700\u8981qmail MTA\u4e0a\u6709\u6548\u6536\u4ef6\u8005\u5177\u5099.qmail\u6a94\uff0c\u800c\u4e14.qmail\u6a94\u5305\u542b\u4efb\u610f\u6d3e\u905e\u7a0b\u5f0f\uff09\u3002<\/p>\n<ol start=\"2\">\n<li>\u7b2c\u56db\u7248\u524d\u7684exim MTA<\/li>\n<\/ol>\n<p>\u5f9e<a href=\"https:\/\/www.amazon.com\/The-Exim-SMTP-Mail-Server\/dp\/0954452976\">\u7b2c\u56db\u7248\u7684exim<\/a>\u958b\u59cb\uff0c<em>pipe_transport<\/em>\u4e0d\u6703\u547c\u53ebShell\u4f86\u64f4\u5c55\u8b8a\u6578\u548c\u7d44\u5408\u6307\u4ee4\u3002<\/p>\n<ol start=\"3\">\n<li>\u4f7f\u7528procmail\u7684Postfix\uff1aPostfix MTA\u6703\u8abf\u7528procmail\uff0c\u4e00\u500b\u90f5\u4ef6\u50b3\u905e\u4ee3\u7406\u7a0b\u5f0f\uff08MDA\uff09\u3002MDA\u88ab\u7528\u4f86\u6392\u5e8f\u548c\u904e\u6ffe\u5bc4\u5165\u7684\u90f5\u4ef6\u3002<\/li>\n<\/ol>\n<p>Postfix\u6c92\u6709\u660e\u986f\u7684Shellshock\u6f0f\u6d1e\u3002\u7136\u800cprocmail\uff08\u4e00\u7a2e\u90f5\u4ef6\u50b3\u905e\u4ee3\u7406\u7a0b\u5f0f\uff09\u672c\u8eab\u53ef\u4ee5\u4f7f\u7528\u74b0\u5883\u8b8a\u6578\u4f86\u5c07\u90f5\u4ef6\u6a19\u982d\u50b3\u905e\u7d66\u96a8\u5f8c\u7684\u6d3e\u905e\/\u904e\u6ffe\u7a0b\u5f0f\uff0c\u5c0e\u81f4\u4e86\u53ef\u88ab\u653b\u64ca\u7684Shellshock\u6f0f\u6d1e\u3002<\/p>\n<p>\u6ce8\uff1aDebian\/Ubuntu\u7684Postfix\u9810\u8a2d\u5c07procmail\u8a2d\u5728<em>main.cf<\/em>\u7684<em>mailbox_command<\/em>\u8a2d\u5b9a\u3002\u9019\u4ee3\u8868Debian\/Ubuntu\u7684Postfix\u53ef\u80fd\u6703\u906d\u53d7Shellshock\u6f0f\u6d1e\u653b\u64ca\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong><em>\u653b\u64ca\u5206\u6790<\/em><\/strong><\/p>\n<p>\u6839\u64da<a href=\"https:\/\/www.trendmicro.com.tw\/edm\/Tracking.asp?id=2651&amp;name=20110916\">\u8da8\u52e2\u79d1\u6280<\/a>\u7684\u5206\u6790\uff0c\u5982\u679c\u5d4c\u5165\u5230\u96fb\u5b50\u90f5\u4ef6\u7684\u60e1\u610f\u8173\u672c\u88ab\u6709\u6f0f\u6d1e\u7684SMTP\u4f3a\u670d\u5668\u6210\u529f\u5730\u57f7\u884c\uff0c\u653b\u64ca\u8005\u6240\u88fd\u4f5c\u7684\u60e1\u610f\u96fb\u5b50\u90f5\u4ef6\u6703\u9023\u5230\u4ee5\u4e0b\u7db2\u5740\u4e26\u4e0b\u8f09IRC\u6bad\u5c4d\u7a0b\u5f0f\uff1a<\/p>\n<ul>\n<li>hxxp:\/\/{BLOCKED}.{BLOCKED}.31.165\/ex.txt<\/li>\n<li>hxxp:\/\/{BLOCKED}.{BLOCKED}.251.41\/legend.txt<\/li>\n<li>hxxp:\/\/{BLOCKED}.{BLOCKED}.175.145\/ex.sh<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>\u5230\u76ee\u524d\u70ba\u6b62\u6240\u767c\u73fe\u7684IRC\u6bad\u5c4d\u7a0b\u5f0f\u90fd\u662f\u7531Perl\u64b0\u5beb\u3002ex.txt\u548cex.sh\u662f\u540c\u4e00\u500b\u6a94\u6848\uff0c\u53ea\u662f\u540d\u7a31\u4e0d\u540c\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2014\/10\/shellshock-smtp2.jpg\" alt=\"\" width=\"593\" height=\"224\" \/><\/p>\n<p><em>\u57162\u3001\u300cJST Perl IrcBot\u300d\u4e0b\u8f09\u7684\u7a0b\u5f0f\u539f\u59cb\u78bc<\/em><\/p>\n<p>&nbsp;<\/p>\n<p>\u300cJST Perl IrcBot\u300d\u900f\u904e\u7aef\u53e36667\u30013232\u548c9999\u9023\u5230\u547d\u4ee4\u8207\u63a7\u5236\uff08C&amp;C\uff09IRC\u4f3a\u670d\u5668\u3002\u6bad\u5c4d\u7a0b\u5f0f\u6703\u57f7\u884c\u4ee5\u4e0b\u884c\u70ba\uff0c\u5371\u5bb3\u53d7\u5f71\u97ff\u7cfb\u7d71\u7684\u5b89\u5168\uff1a<\/p>\n<ul>\n<li>\u5f9e\u7db2\u5740\u4e0b\u8f09\u6a94\u6848<\/li>\n<li>\u767c\u9001\u90f5\u4ef6<\/li>\n<li>\u6383\u63cf\u7aef\u53e3<\/li>\n<li>\u57f7\u884c\u5206\u6563\u5f0f\u62d2\u65b7\u670d\u52d9\uff08DDoS\uff09\u653b\u64ca<\/li>\n<li>\u57f7\u884cUnix\u6307\u4ee4<\/li>\n<\/ul>\n<p>\u9019\u7a2eSMTP\u4f3a\u670d\u5668\u653b\u64ca\u5df2\u7d93\u51fa\u73fe\u5728\u81fa\u7063\u3001\u5fb7\u570b\u3001\u7f8e\u570b\u548c\u52a0\u62ff\u5927\u7b49\u570b\u5bb6\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2014\/10\/smtp-shellshock3.jpg\" alt=\"\" width=\"591\" height=\"349\" \/><\/p>\n<p><em>\u57163\u3001\u5b58\u53d6\u60e1\u610f\u8edf\u9ad4\u7db2\u7ad9\u6700\u591a\u7684\u570b\u5bb6<\/em><\/p>\n<p><!--more--><\/p>\n<p>\u9019\u6b21SMTP\u653b\u64ca\u6240\u767c\u73fe\u7684IRC\u50f5\u5c4d\u7a0b\u5f0f\u6703\u9023\u5230\u4e0b\u5217IRC\u4f3a\u670d\u5668\uff0c\u7b49\u5f85\u4f86\u81ea\u5080\u5121\u6bad\u5c4d<\/p>\n<p>\u4e3b\u4eba\u6216\u653b\u64ca\u8005\u7684\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li>62[.]193[.]210[.]216<\/li>\n<li>d[.]hpb[.]bg<\/li>\n<\/ul>\n<p>\u8da8\u52e2\u79d1\u6280\u81f3\u5c11\u5075\u6e2c\u5230\u4e86 44\u7a2e\u7684IRC Perl\u6bad\u5c4d\u7a0b\u5f0f\u8b8a\u7a2e\u3002\u6b64\u6b21\u653b\u64ca\u76f8\u95dc\u7684\u96dc\u6e4a\u503c\u662f\uff1a<\/p>\n<ul>\n<li>SHA1\uff1a23b042299a2902ddf830dfc03920b172a74d3956 \uff08SMA\uff09<\/li>\n<li>SHA1\uff1a8906df7f549b21e2d71a46b5eccdfb876ada835b \uff08SM\uff09<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong><em>\u7d50\u8ad6<\/em><\/strong><\/p>\n<p>\u6b64\u6b21\u7684SMTP\u653b\u64ca\u51f8\u986f\u51fa\u53e6\u4e00\u500b\u8b93\u653b\u64ca\u8005\u53ef\u4ee5\u900f\u904eShellshock\u6f0f\u6d1e\u4f86\u767c\u52d5IRC<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=106\"><strong>\u300c<\/strong><strong>Botnet<\/strong><em><strong>\u5080\u5121<\/strong><\/em><strong>\u6bad\u5c4d\u7db2\u8def\u300d<\/strong><\/a>\u7a0b\u5f0f\u7684\u5e73\u81fa\u3002<\/p>\n<p><a href=\"https:\/\/www.trendmicro.com.tw\/edm\/Tracking.asp?id=2651&amp;name=20110916\">\u8da8\u52e2\u79d1\u6280<\/a>\u5efa\u8b70IT\u7ba1\u7406\u54e1\u5c01\u9396\u6240\u6709\u7684\u653b\u64ca\u76f8\u95dcIP\u5730\u5740\u548c\u7db2\u57df\u3002\u96d6\u7136\u5230\u6211\u5011\u767c\u8868\u6b64\u7bc7\u6587\u7ae0\u6642\uff0c\u53d7\u5bb3\u570b\u5bb6\u548c\u5f71\u97ff\u9084\u6709\u9650\uff0c\u4f46\u6211\u5011\u6703\u4e0d\u65b7\u76e3\u8996\u6b64\u5a01\u8105\u7684\u4efb\u4f55\u65b0\u767c\u5c55\u3002\u8da8\u52e2\u79d1\u6280\u53ef\u4ee5\u5075\u6e2c\u6240\u6709\u5df2\u767c\u73fe\u8ddf\u6b64\u653b\u64ca\u76f8\u95dc\u7684IRC\u6bad\u5c4d\u7a0b\u5f0f\uff0c\u6240\u4ee5\u6211\u5011\u7684\u5ba2\u6236\u90fd\u53d7\u5230\u826f\u597d\u7684\u4fdd\u8b77\u3002\u8da8\u52e2\u79d1\u6280\u7684<a href=\"https:\/\/www.trendmicro.tw\/tw\/enterprise\/cloud-solutions\/deep-security\/index.html\">Deep Security<\/a>\u00a0\u53ef\u4ee5\u900f\u904e\u4e0b\u5217\u898f\u5247\u4f86\u9632\u6b62SMTP\u4f3a\u670d\u5668\u4e0a\u7684\u9019\u985e\u653b\u64ca\uff08\u81ea9\u670830\u65e5\u5c31\u5df2\u7d93\u767c\u8868\uff09\uff1a<\/p>\n<ul>\n<li><strong>1006259 \u2013 GNU Bash Remote Code Execution Vulnerability Over SMTP<\/strong><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>\u95dc\u65bcShellshock\u6f0f\u6d1e\u7684\u8a73\u7d30\u8cc7\u8a0a\uff0c\u4f60\u53ef\u4ee5\u95b1\u8b80\u6211\u5011\u7684<a href=\"https:\/\/blog.trendmicro.com.tw\/?cat=179\">Shellshock\u76f8\u95dc\u6545\u4e8b\u548c\u8cc7\u6599\u6574\u7406<\/a>\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4f7f\u7528\u8005\u9084\u53ef\u4ee5\u900f\u904e<a href=\"https:\/\/www.trendmicro.tw\/tw\/security\/shellshock-bash-bug-exploit\/index.html\">\u9019\u4e9b\u5de5\u5177<\/a>\u4f86\u53d6\u5f97\u514d\u8cbb\u7684Shellshock\u9632\u8b77\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>@\u539f\u6587\u51fa\u8655\uff1a<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/shellshock-related-attacks-continue-targets-smtp-servers\/\">Shellshock\u2013Related Attacks Continue, Targets SMTP Servers<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8da8\u52e2\u79d1\u6280\u767c\u73fe\u4e86\u91dd\u5c0dSMTP\u4f3a\u670d\u5668\u7684\u65b0\u5f0fShellshock\u653b\u64ca\u3002\u653b\u64ca\u8005\u5229\u7528\u96fb\u5b50\u90f5\u4ef6\u4f86\u653b\u64ca\u9019\u500b\u6f0f\u6d1e\u3002\u5982\u679c\u6f0f\u6d1e\u653b\u64ca [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wpscppro_dont_share_socialmedia":false,"_wpscppro_custom_social_share_image":0,"_facebook_share_type":"","_twitter_share_type":"","_linkedin_share_type":"","_pinterest_share_type":"","_linkedin_share_type_page":"","_instagram_share_type":"","_medium_share_type":"","_threads_share_type":"","_google_business_share_type":"","_selected_social_profile":[],"_wpsp_enable_custom_social_template":false,"_wpsp_social_scheduling":{"enabled":false,"datetime":null,"platforms":[],"status":"template_only","dateOption":"today","timeOption":"now","customDays":"","customHours":"","customDate":"","customTime":"","schedulingType":"absolute"},"_wpsp_active_default_template":true},"categories":[1761,1762,11,156,179],"tags":[1829,1763,1828,237],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/10355"}],"collection":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10355"}],"version-history":[{"count":0,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/10355\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10355"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}