{"id":12510,"date":"2015-06-09T09:00:04","date_gmt":"2015-06-09T01:00:04","guid":{"rendered":"https:\/\/blog.trendmicro.com.tw\/?p=12510"},"modified":"2015-08-28T10:34:24","modified_gmt":"2015-08-28T02:34:24","slug":"%e9%9a%b1%e5%af%ab%e8%a1%93steganography%e8%88%87%e6%83%a1%e6%84%8f%e7%a8%8b%e5%bc%8f%ef%bc%9a%e5%8e%9f%e7%90%86%e5%92%8c%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/blog.trendmicro.com.tw\/?p=12510","title":{"rendered":"\u5716\u50cf\u96b1\u78bc\u8853(Steganography)\u8207\u60e1\u610f\u7a0b\u5f0f\uff1a\u539f\u7406\u548c\u65b9\u6cd5"},"content":{"rendered":"<p>\u80fd\u5920\u8eb2\u907f\u5075\u6e2c\u7684\u5a01\u8105\uff0c\u662f\u4eca\u65e5\u6240\u9762\u81e8\u6700\u5371\u96aa\u7684\u5a01\u8105\u3002\u800c\u90a3\u4e9b\u6700\u4ee4\u4eba\u982d\u75db\u7684\u8cc7\u5b89\u554f\u984c\u4e5f\u90fd\u5177\u5099\u9019\u6a23\u7684\u7279\u6027\uff0c\u4f8b\u5982<a href=\"https:\/\/blog.trendmicro.com.tw\/?p=123\">\u300c\u9032\u968e\u6301\u7e8c\u6027\u6ef2\u900f\u653b\u64ca\u300d\uff08Advanced Persistent Threat\uff0c\u4ee5\u4e0b\u7c21\u7a31APT\u653b\u64ca\uff09<\/a>\u00a0\u548c\u96f6\u6642\u5dee\u6f0f\u6d1e\u653b\u64ca\u3002\u99ed\u5ba2\u53ea\u8981\u80fd\u4e0d\u88ab\u767c\u73fe\uff0c\u5c31\u80fd\u7acb\u65bc\u4e0d\u6557\u4e4b\u5730\uff0c\u4e5f\u56e0\u6b64\uff0c\u9019\u9805\u80fd\u529b\u4e00\u76f4\u662f\u4ed6\u5011\u4e0d\u65b7\u8ffd\u6c42\u7684\u76ee\u6a19\u3002\u5728\u9019\u4e00\u7cfb\u5217\u7684\u90e8\u843d\u683c\u6587\u7ae0\u7576\u4e2d\uff0c<a href=\"https:\/\/www.trendmicro.com.tw\/edm\/Tracking.asp?id=2651&amp;name=20110916\">\u8da8\u52e2\u79d1\u6280<\/a>\u5c07\u63a2\u8a0e\u7db2\u8def\u72af\u7f6a\u96c6\u5718\u7528\u4f86\u8eb2\u907f\u5075\u6e2c\u53ca\u5206\u6790\u7684\u6280\u5de7\u3002<\/p>\n<p><a href=\"https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2015\/02\/hacker2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-11362\" src=\"https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2015\/02\/hacker2.jpg\" alt=\"\u99ed\u5ba2\" width=\"480\" height=\"480\" srcset=\"https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2015\/02\/hacker2.jpg 480w, https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2015\/02\/hacker2-150x150.jpg 150w, https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2015\/02\/hacker2-300x300.jpg 300w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><\/a><\/p>\n<p>\u5728\u7b2c\u4e00\u7bc7\u7576\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5c07\u4ecb\u7d39\u6240\u8b02\u7684<u>\u5716\u50cf\u96b1\u78bc\u8853<\/u> (Steganography)\uff0c\u6211\u5011\u5c07\u8aaa\u660e\u4f55\u8b02\u96b1\u5beb\u8853\uff0c\u4ee5\u53ca\u4eca\u65e5\u60e1\u610f\u8edf\u9ad4\u5982\u4f55\u5229\u7528\u9019\u9805\u6280\u8853\u3002\u5e0c\u81d8\u6587\u4e2d\u7684\u00a0<em>steganos<\/em> \u4e00\u8a5e\u4ee3\u8868\u96b1\u85cf\u7684\u610f\u601d\uff0c\u800c\u60e1\u610f\u7a0b\u5f0f\u5c31\u662f\u559c\u6b61\u5077\u5077\u6697\u85cf\u6771\u897f\u3002\u5c0d\u65bc\u99ed\u5ba2\u4f86\u8aaa\uff0c\u9019\u771f\u662f\u5929\u4e0a\u6389\u4e0b\u4f86\u7684\u79ae\u7269\u3002<\/p>\n<p>\u7576\u7136\uff0c\u96b1\u5beb\u8853\u4e5f\u80fd\u61c9\u7528\u5728\u771f\u5be6\u751f\u6d3b\u7576\u4e2d\u3002\u4f8b\u5982\u5c07\u79d8\u5bc6\u8a0a\u606f\u6697\u85cf\u5728\u7279\u5225\u7684\u5730\u65b9 (\u4e0b\u6587\u5c31\u662f\u4e00\u7bc7\u6709\u8da3\u7684\u4f8b\u5b50)\uff0c\u4e0d\u904e\uff0c\u6b64\u8655\u6211\u5011\u8981\u8a0e\u8ad6\u7684\u662f\u8cc7\u6599\u6a94\u6848\uff0c\u4ee5\u53ca\u6b79\u5f92\u5982\u4f55\u5229\u7528\u9019\u4e9b\u6a94\u6848\u3002<\/p>\n<p><a href=\"https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2015\/06\/steganography1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-12787\" src=\"https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2015\/06\/steganography1.png\" alt=\"steganography\" width=\"1200\" height=\"627\" srcset=\"https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2015\/06\/steganography1.png 1200w, https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2015\/06\/steganography1-300x157.png 300w, https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2015\/06\/steganography1-1024x535.png 1024w, https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2015\/06\/steganography1-600x314.png 600w, https:\/\/blog.trendmicro.com.tw\/wp-content\/uploads\/2015\/06\/steganography1-800x418.png 800w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<p><em>\u5716 1\uff1a\u7576\u5e74\u7684\u52a0\u5dde\u5dde\u9577\u963f\u8afe\u53f2\u74e6\u8f9b\u683c\u56de\u8986\u52a0\u5dde\u8b70\u6703\u7684\u4fe1\u51fd\uff0c\u89e3\u91cb\u70ba\u4f55\u4ed6\u5728\u67d0\u8b70\u54e1\u65bc\u6f14\u8b1b\u4e2d\u7f9e\u8fb1\u4ed6\u4e4b\u5f8c\u5426\u6c7a\u4e86\u8b70\u6703\u7684\u4e00\u9805\u6c7a\u8b70\u3002\u5176\u5be6\u9019\u662f\u4e00\u7bc7\u85cf\u982d\u6587\uff0c\u53ea\u8981\u5c07\u6b63\u6587\u7684\u6bcf\u4e00\u884c\u7b2c\u4e00\u500b\u5b57\u5708\u51fa\u4f86\u5c31\u6703\u770b\u5230\u96b1\u85cf\u7684\u8a0a\u606f\uff1aI Fuck You.<\/em><\/p>\n<p>&nbsp;<\/p>\n<p><!--more--><\/p>\n<p>\u5118\u7ba1\u4ee5\u4e0b\u6240\u8a0e\u8ad6\u7684\u65b9\u6cd5\uff0c\u4e26\u975e\u6bcf\u4e00\u7a2e\u90fd\u662f\u50b3\u7d71\u8a8d\u77e5\u7684\u96b1\u5beb\u8853\u3002\u4e0d\u904e\uff0c\u6211\u8a8d\u70ba\u9019\u53ea\u662f\u89e3\u8b80\u4e0a\u7684\u5dee\u7570\u3002\u5728\u9019\u7cfb\u5217\u90e8\u843d\u683c\u6587\u7ae0\u4e2d\uff0c\u4efb\u4f55\u65b9\u6cd5\uff0c\u53ea\u8981\u662f\u80fd\u8b93\u99ed\u5ba2\u5c07\u8cc7\u6599\u96b1\u85cf\u5728\u4ee4\u4eba\u610f\u60f3\u4e0d\u5230\u7684\u5730\u65b9\uff0c\u6211\u5011\u5c31\u5c07\u5b83\u8996\u70ba\u4e00\u7a2e\u96b1\u5beb\u8853\u3002<\/p>\n<p>\u5c07\u8cc7\u6599\u96b1\u85cf\u5728\u4ee4\u4eba\u610f\u60f3\u4e0d\u5230\u7684\u5730\u65b9\u5c31\u80fd\u9054\u5230\u99ed\u5ba2\u60f3\u8981\u7684\u7d50\u679c\uff1a\u9a19\u904e\u8cc7\u5b89\u7814\u7a76\u4eba\u54e1\uff0c\u8b93\u4ed6\u5011\u4e0d\u6703\u6ce8\u610f\u4e00\u4e9b\u539f\u672c\u5b89\u5168\u7684\u7ba1\u9053\u3001\u901a\u8a0a\u5354\u5b9a\u6216\u5305\u88dd\u5de5\u5177\uff0c\u4e5f\u5c31\u662f\u8cc7\u6599\u4e0d\u61c9\u51fa\u73fe\u7684\u5730\u65b9 (\u81f3\u5c11\u4e0d\u662f\u99ed\u5ba2\u6240\u50b3\u9001\u7684\u8cc7\u6599\u985e\u578b)\u3002\u4ee5\u4e0b\u6211\u5011\u5c31\u4f86\u8209\u5e7e\u500b\u4f8b\u5b50\u3002<\/p>\n<p><strong><em>ZeusVM\uff1a\u5c07\u60e1\u610f\u7a0b\u5f0f\u8a2d\u5b9a\u6a94\u6697\u85cf\u5728 JPG \u5f71\u50cf\u4e2d<\/em><\/strong><\/p>\n<p>ZeuS \u60e1\u610f\u7a0b\u5f0f\u7684\u67d0\u500b\u8b8a\u7a2e\u6240\u4e0b\u8f09\u7684\u8a2d\u5b9a\u6a94\u6848\u662f\u4e00\u500b\u6f02\u4eae\u7684\u98a8\u666f\u5716\u7247\u3002\u6c92\u932f\uff0c\u9019\u771f\u7684\u662f\u4e00\u5f35\u5716\u7247\u3002\u4f46\u5176\u5f71\u50cf\u6a94\u7684\u672b\u7aef\u537b\u591a\u51fa\u4e86\u4e00\u4e9b\u8cc7\u6599\uff0c\u9019\u4e9b\u8cc7\u6599\u7d93\u904e\u89e3\u5bc6\u4e4b\u5f8c\uff0c\u5c31\u6703\u8b8a\u6210\u4e00\u500b\u8a2d\u5b9a\u6a94\u3002\u4f46\u4e0d\u8ad6\u600e\u9ebc\u770b\uff0c\u9019\u500b\u5f71\u50cf\u6a94\u90fd\u662f\u4e00\u5f35\u771f\u6b63\u7684\u5716\u7247\uff0c\u56e0\u6b64\uff0c\u4efb\u4f55\u6514\u622a\u60e1\u610f\u7a0b\u5f0f\u901a\u8a0a\u7684\u6a5f\u5236\u90fd\u53ea\u6703\u770b\u5230\u6f02\u4eae\u7684\u843d\u65e5\u98a8\u666f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2014\/02\/zeus-sunset.jpg\" alt=\"\" width=\"550\" height=\"413\" \/><\/p>\n<p><em>\u5716 2\uff1aZeusVM \u4e0b\u8f09\u7684\u5716\u7247\uff0c\u88e1\u9762\u6697\u85cf\u4e86\u8cc7\u6599<\/em><\/p>\n<p>&nbsp;<\/p>\n<p>\u9019\u500b\u8b8a\u7a2e\u6211\u5011\u66fe\u7d93\u5728 2014 \u5e74 3 \u6708\u7684\u4e00\u7bc7\u90e8\u843d\u683c\u7576\u4e2d\u8a0e\u8ad6\u904e\uff1a<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/sunsets-and-cats-can-be-hazardous-to-your-online-bank-account\/\"><em>\u300c\u65e5\u843d\u548c\u8c93\u7684\u5716\u7247\u53ef\u80fd\u5a01\u8105\u60a8\u7684\u7db2\u8def\u9280\u884c\u5e33\u865f\u300d(Sunsets and Cats Can Be Hazardous to Your Online Bank Account)<\/em><\/a><em>\u3002<\/em><\/p>\n<p><strong><em>VAWTRAK\u00a0\u5c07\u8a2d\u5b9a\u6a94\u6848\u6697\u85cf\u5728\u4e00\u500b\u9060\u7aef\u7684\u7db2\u7ad9\u5716\u793a\u7576\u4e2d<\/em><\/strong><\/p>\n<p>\u9019\u500b\u60e1\u6bd2\u7684\u9280\u884c\u6728\u99ac\u7a0b\u5f0f\u6700\u8fd1\u88ab\u767c\u73fe\u5c07\u5176\u8a2d\u5b9a\u5132\u5b58\u5728\u4e00\u500b\u7db2\u7ad9\u5716\u793a\u7576\u4e2d\u3002\u6240\u8b02\u7684\u7db2\u7ad9\u5716\u793a (<em>favicon.ico<\/em>) \u662f\u700f\u89bd\u5668\u986f\u793a\u5728\u7db2\u5740\u5de6\u908a\u7684\u4e00\u500b\u5c0f\u5716\u3002\u5e7e\u4e4e\u6bcf\u500b\u7db2\u7ad9\u90fd\u6703\u63d0\u4f9b\u4e00\u500b <em>favicon.ico<\/em> \u5f71\u50cf\u6a94\uff0c\u56e0\u6b64\uff0c\u8cc7\u5b89\u8edf\u9ad4\u770b\u5230\u9019\u500b\u6a94\u6848\u7d55\u5c0d\u4e0d\u6703\u61f7\u7591\u5b83\u7684\u771f\u5be6\u6027\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u6563\u5e03 Vawtrak \u7684\u7db2\u7ad9\u9084\u67b6\u8a2d\u5728 Tor \u6d0b\u8525\u8def\u7531\u5668\u7db2\u8def\u7576\u4e2d\uff0c\u56e0\u6b64\u975e\u5e38\u96e3\u4ee5\u8ffd\u67e5\u548c\u5075\u6e2c\uff0c\u4e0d\u904e\u9019\u53c8\u662f\u53e6\u4e00\u500b\u8a71\u984c\u3002<\/p>\n<p>VAWTRAK \u5728\u5f71\u50cf\u7576\u4e2d\u4f7f\u7528\u4e86\u4e00\u7a2e\u7a31\u70ba LSB (\u6700\u4f4e\u4f4d\u5143) \u7684\u6280\u5de7\u4f86\u96b1\u85cf\u8a0a\u606f\u3002\u5b83\u85c9\u7531\u7a0d\u70ba\u4fee\u6539\u50cf\u7d20\u7684\u984f\u8272\u4f86\u6697\u85cf\u5176\u8cc7\u8a0a\u3002\u4f8b\u5982\uff0c\u82e5\u67d0\u500b\u50cf\u7d20\u7684\u984f\u8272\u539f\u672c\u662f 0,0,0 (\u5206\u5225\u4ee3\u8868\uff1a\u7d05\u3001\u7da0\u3001\u85cd)\uff0c\u4e5f\u5c31\u662f\u7d05\u7da0\u85cd\u7684\u503c\u90fd\u662f\u96f6 (\u7b49\u65bc\u7d14\u9ed1)\u3002\u7576\u984f\u8272\u4fee\u6539\u6210 0,0,1\u6642\uff0c\u8a72\u50cf\u7d20\u6703\u7a0d\u5fae\u6c92\u90a3\u9ebc\u9ed1 (\u4eba\u773c\u5176\u5be6\u7121\u6cd5\u5206\u8fa8)\uff0c\u4f46\u537b\u80fd\u5920\u651c\u5e36\u4e00\u500b\u4f4d\u5143\u7684\u8cc7\u8a0a\u3002<\/p>\n<p>\u4f9d\u6b64\u985e\u63a8\uff0c\u6b79\u5f92\u53ea\u8981\u5c07\u5f88\u591a\u50cf\u7d20\u7684\u984f\u8272\u90fd\u7a0d\u5fae\u4fee\u6539\u4e00\u4e0b\uff0c\u5c31\u80fd\u5c07\u5b8c\u6574\u8cc7\u8a0a\u6697\u85cf\u5728\u5176\u4e2d\uff0c\u77e5\u60c5\u7684\u4eba\u53ea\u8981\u5229\u7528\u53cd\u5411\u6f14\u7b97\u6cd5\u5c31\u80fd\u89e3\u958b\u5176\u4e2d\u7684\u8a0a\u606f\u3002\u4f46\u4e0d\u77e5\u60c5\u7684\u4eba\uff0c\u537b\u53ea\u6703\u770b\u5230\u4e00\u5e45\u512a\u7f8e\u7684\u666f\u8272\u6216\u4efb\u4f55\u5176\u4ed6\u7684\u5716\u7247\u3002<\/p>\n<p>\u82e5\u60a8\u60f3\u66f4\u9032\u4e00\u6b65\u4e86\u89e3 VAWTRAK \u5982\u4f55\u904b\u7528\u96b1\u5beb\u8853\uff0c\u8acb\u53c3\u95b1 <a href=\"https:\/\/securityaffairs.co\/wordpress\/35308\/malware\/vawtrak-steganography-favicon.html\">SecurityAffairs<\/a> \u7db2\u7ad9\u3002\u6b64\u5916\uff0c\u6211\u5011\u7684<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/threat-encyclopedia\/web-attack\/3141\/vawtrak-plagues-users-in-japan\">\u5a01\u8105\u767e\u79d1 (Threat Encyclopedia)<\/a> \u4e5f\u63d0\u4f9b\u4e86\u6709\u95dc VAWTRAK \u7684\u5b8c\u6574\u8aaa\u660e\u3002<\/p>\n<p><strong><em>FakeReg \u5c07\u60e1\u610f\u7a0b\u5f0f\u8a2d\u5b9a\u6697\u85cf\u5728\u61c9\u7528\u7a0b\u5f0f\u5716\u793a\u7576\u4e2d<\/em><\/strong><\/p>\n<p>\u7db2\u7ad9\u5716\u793a\u4e26\u975e\u552f\u4e00\u53ef\u4ee5\u96b1\u85cf\u8cc7\u6599\u7684\u5730\u65b9\u3002\u81f3\u5c11\u6709\u4e00\u500b\u60e1\u610f\u7684 Android \u61c9\u7528\u7a0b\u5f0f (\u4e5f\u5c31\u662f\u6211\u5011\u5075\u6e2c\u5230\u7684 ANDROIDOS_SMSREG.A)\u00a0\u5c31\u5728\u5176\u61c9\u7528\u7a0b\u5f0f\u7684\u4e3b\u8981\u5716\u793a (\u986f\u793a\u5728\u624b\u6a5f\u756b\u9762\u4e0a\u7684\u5716\u793a) \u7576\u4e2d\u6697\u85cf\u4e86\u4e00\u4e9b\u8cc7\u8a0a\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2015\/04\/steganography2.png\" alt=\"\" width=\"305\" height=\"92\" \/><\/p>\n<p><em>\u5716 3\uff1a\u6697\u85cf\u8cc7\u8a0a\u7684 Android \u61c9\u7528\u7a0b\u5f0f\u5716\u793a\u3002\u7531\u65bc\u8a72\u5716\u542b\u6709\u8272\u60c5\u5167\u5bb9\uff0c\u6240\u4ee5\u6253\u78bc\u8cfd\u514b\u8655\u7406\u3002<\/em><\/p>\n<p>\u6709\u95dc\u9019\u9805\u5a01\u8105\u7684\u8a73\u7d30\u5206\u6790\uff0c\u8acb\u53c3\u95b1 <a href=\"https:\/\/forensics.spreitzenbarth.de\/2012\/02\/03\/detailed-analysis-of-android-fakeregsms-b\/\">spreitzenbarch forensics \u90e8\u843d\u683c<\/a>\u3002<\/p>\n<p><strong><em>VBKlip \u5c07\u8cc7\u6599\u85cf\u5728 HTTP \u901a\u8a0a\u5354\u5b9a\u7576\u4e2d<\/em><\/strong><\/p>\n<p>\u6700\u5f8c\u4e00\u500b\u4f8b\u5b50\u4e26\u975e\u5229\u7528\u5f71\u50cf\u6a94\u6848\u4f86\u6697\u85cf\u8cc7\u8a0a\uff0c\u800c\u662f\u5229\u7528\u7db2\u8def\u901a\u8a0a\u5354\u5b9a\u3002VBKlip \u9280\u884c\u6728\u99ac\u7a0b\u5f0f (\u50c5\u9650\u6ce2\u862d\u5730\u5340) \u6703\u76e3\u63a7\u53d7\u611f\u67d3\u7684\u96fb\u8166\u662f\u5426\u8f38\u5165\u4e86\u6ce2\u862d\u7684\u9280\u884c\u5e33\u865f\u3002<\/p>\n<p>\u4e00\u65e6\u767c\u73fe\uff0c\u5c31\u6703\u5c07\u8f49\u5e33\u76ee\u6a1926\u4f4d\u6578\u5e33\u865f\u5077\u5077\u8abf\u5305\uff0c\u8b93\u532f\u6b3e\u8f49\u5230\u6b79\u5f92\u7684\u5e33\u6236\u3002\u9019\u662f\u4e00\u500b\u5f9e\u5e55\u5f8c\u64cd\u7e31 (C&amp;C) \u4f3a\u670d\u5668\u4ee5\u7279\u6b8a\u65b9\u5f0f\u63a5\u6536\u800c\u4f86\u7684\u4eba\u982d\u5e33\u6236\u3002\u60e1\u610f\u7a0b\u5f0f\u6703\u767c\u8d77\u4e00\u4e9b\u770b\u4f3c\u6beb\u7121\u610f\u7fa9\u7684 HTTP \u9023\u7dda\u81f3 C&amp;C \u4f3a\u670d\u5668\uff0c\u4f8b\u5982\uff1a<\/p>\n<p>GET g4x6a9k2u.txt HTTP\/1.1<\/p>\n<p>\u9019\u500b\u9023\u7dda\u8868\u9762\u4e0a\u662f\u5f9e\u4f3a\u670d\u5668\u53d6\u5f97\u4e00\u500b\u6587\u5b57\u6a94\uff0c\u4f46\u5176\u5167\u5bb9\u6beb\u4e0d\u91cd\u8981\u3002\u4e0d\u904e\uff0cC&amp;C \u4f3a\u670d\u5668\u7684 HTTP \u56de\u61c9\u6a19\u982d\u7576\u4e2d\u537b\u6697\u85cf\u7384\u6a5f (\u70ba\u4e86\u8b93\u7bc4\u4f8b\u7c21\u77ed\u4e00\u9ede\uff0c\u6211\u5011\u53bb\u9664\u4e86\u4e00\u4e9b HTTP \u6a19\u982d\u5167\u5bb9)\uff1a<\/p>\n<p>HTTP\/1.1 400 Site Not Installed<br \/>\nServer: .V06 Apache<br \/>\nContent-Type: text\/html<br \/>\nMDEwMTAyMDIwMjAyMDMwMzAzMDMwMzAzMDM=<\/p>\n<p>\u9019\u6bb5 HTTP \u6a19\u982d\u6700\u5f8c\u9762\u90a3\u4e32 base64 \u7de8\u78bc\u7684\u6587\u5b57\uff0c\u89e3\u958b\u4e4b\u5f8c\u5c31\u662f\u4e00\u500b\u9280\u884c\u5e33\u865f\uff0c\u4f8b\u5982\uff1a0101-02020202-03030303030303\u3002(\u611f\u8b1d\u6ce2\u862d NASK \u6a5f\u69cb\u7684 Lukasz Siewierski \u5e6b\u5fd9\u89e3\u91cb\u9019\u500b\u7bc4\u4f8b\u3002)<\/p>\n<p>\u4e0d\u904e\uff0c\u6ce2\u862d\u7684\u53d7\u5bb3\u8005\u770b\u5230\u7684\u5176\u5be6\u662f\u53e6\u4e00\u500b\u5e33\u865f\uff0c\u4f46\u9322\u537b\u9032\u4e86\u9019\u500b\u4eba\u982d\u5e33\u6236\u53e3\u888b\u3002\u99ed\u5ba2\u53c8\u518d\u6b21\u5229\u7528\u4e00\u500b\u4ee4\u4eba\u610f\u60f3\u4e0d\u5230\u7684\u7ba1\u9053\u8b93 VBKlip \u5077\u5077\u50b3\u9001\u8cc7\u6599\u3002\u56b4\u683c\u4f86\u8aaa\uff0c\u9019\u4e0d\u7b97\u662f\u96b1\u5beb\u8853\uff0c\u4f46\u4ecd\u7b26\u5408\u6211\u524d\u9762\u8a2d\u5b9a\u7684\u689d\u4ef6\uff0c\u4e5f\u5c31\u662f\u5229\u7528\u9632\u79a6\u65b9\u5f9e\u672a\u61f7\u7591\u7684\u610f\u5916\u7ba1\u9053\u4f86\u5077\u6e21\u8cc7\u8a0a\u3002<\/p>\n<p>\u4ee5\u4e0a\u975e\u5e38\u7c21\u55ae\u627c\u8981\u5730\u8aaa\u660e\u4f55\u8b02<u>\u5716\u50cf\u96b1\u78bc\u8853<\/u> (Steganography) \u4ee5\u53ca\u60e1\u610f\u7a0b\u5f0f\u5982\u4f55\u5229\u7528\u9019\u9805\u6280\u8853\u3002\u6211\u5011\u5f88\u5bb9\u6613\u5c31\u80fd\u5224\u65b7\u9019\u6a23\u7684\u6280\u8853\u662f\u5426\u5c0d\u99ed\u5ba2\u6709\u5229 (\u7b54\u6848\u7576\u7136\u662f\u80af\u5b9a\u7684)\u3002\u4e0b\u4e00\u7bc7\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u60e1\u610f\u7a0b\u5f0f\u5982\u4f55\u6697\u85cf\u5176\u4ed6\u985e\u578b\u7684\u8cc7\u8a0a\uff1a\u4e8c\u9032\u4f4d\u7a0b\u5f0f\u78bc\u3002\u5728\u6b64\u4e4b\u524d\uff0c\u8acb\u591a\u6ce8\u610f\u81ea\u5df1\u7684\u5b89\u5168\u2026<\/p>\n<p>&nbsp;<\/p>\n<p>\u539f\u6587\u51fa\u8655\uff1a <a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/steganography-and-malware-why-and-how\/\">Steganography and Malware: Why and How<\/a>| \u00a0\u00a0\u00a0\u4f5c\u8005\uff1a<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/author\/david-sancho\/\">David Sancho (\u8cc7\u6df1\u5a01\u8105\u7814\u7a76\u54e1)<\/a><\/p>\n<p>&nbsp;<\/p>\n<p><iframe loading=\"lazy\" style=\"border: none; overflow: hidden; width: 350px; height: 62px;\" src=\"https:\/\/www.facebook.com\/plugins\/likebox.php?id=255176705131&amp;width=350&amp;connections=0&amp;stream=false&amp;header=false&amp;height=62\" width=\"300\" height=\"150\" frameborder=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>&nbsp;<\/p>\n<p>\u300a\u63d0\u9192\u300b\u5728\u7c89\u7d72\u9801\u6a6b\u5e45,\u8b9a\u7684\u53f3\u908a\u4e09\u89d2\u5f62\u9078\u64c7<strong>\u63a5\u6536\u901a\u77e5<\/strong>\u548c<strong>\u65b0\u589e\u5230\u8208\u8da3\u4e3b\u984c\u6e05\u55ae<\/strong>,\u91cd\u8981\u901a\u77e5\u8207\u597d\u5eb7\u4e0d\u6f0f\u63a5<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u80fd\u5920\u8eb2\u907f\u5075\u6e2c\u7684\u5a01\u8105\uff0c\u662f\u4eca\u65e5\u6240\u9762\u81e8\u6700\u5371\u96aa\u7684\u5a01\u8105\u3002\u800c\u90a3\u4e9b\u6700\u4ee4\u4eba\u982d\u75db\u7684\u8cc7\u5b89\u554f\u984c\u4e5f\u90fd\u5177\u5099\u9019\u6a23\u7684\u7279\u6027\uff0c\u4f8b\u5982\u300c\u9032\u968e\u6301\u7e8c\u6027\u6ef2 [&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":[2123],"tags":[2126,2125,2124],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/12510"}],"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=12510"}],"version-history":[{"count":0,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/12510\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12510"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12510"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}