{"id":63701,"date":"2020-03-30T09:00:00","date_gmt":"2020-03-30T01:00:00","guid":{"rendered":"https:\/\/blog.trendmicro.com.tw\/?p=63701"},"modified":"2020-03-16T17:45:08","modified_gmt":"2020-03-16T09:45:08","slug":"%e8%a7%a3%e6%9e%90%e8%b6%85%e9%81%8e-80-%e8%90%ac%e4%ba%ba%e5%8f%97%e5%ae%b3%e7%9a%84-geost-%e9%8a%80%e8%a1%8c%e6%9c%a8%e9%a6%ac%e7%a8%8b%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/blog.trendmicro.com.tw\/?p=63701","title":{"rendered":"\u89e3\u6790\u8d85\u904e 80 \u842c\u4eba\u53d7\u5bb3\u7684 Geost \u9280\u884c\u6728\u99ac\u7a0b\u5f0f"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"alignright size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2019\/11\/Mobile-200x125.jpg\" alt=\"\"\/><\/figure><\/div>\n\n\n\n<p>Android\u9280\u884c\u6728\u99acGeost\u6700\u5148\u662f\u5f9e <a href=\"https:\/\/www.stratosphereips.org\/\">Stratosphere Laboratory<\/a> \u7684 Sebastian Garc\u00eda\u3001Maria Jose Erquiaga\u548c Anna Shirokova\u7684\u7814\u7a76\u62ab\u9732\u51fa\u4f86\u3002\u4ed6\u5011\u5728\u76e3\u8996 HtBot\u60e1\u610f\u4ee3\u7406\u7db2\u8def\u6642\u5075\u6e2c\u5230\u9019\u96bb\u6728\u99ac\u7a0b\u5f0f\u3002\u6b64\u50f5\u5c4d\u7db2\u8def\u4ee5\u4fc4\u7f85\u65af\u9280\u884c\u70ba\u76ee\u6a19\uff0c\u5728<a href=\"https:\/\/www.virusbulletin.com\/blog\/2019\/10\/vb2019-paper-geost-botnet-story-discovery-new-android-banking-trojan-opsec-error\/\">\u8a72\u7814\u7a76<\/a>\u53bb\u5e74\u767c\u8868\u5728 Virus Bulletin\u6642\uff0c\u53d7\u5bb3\u8005\u6578\u91cf\u5df2\u7d93\u8d85\u904e\u4e86 80 \u842c\u3002<\/p>\n\n\n\n<p>\u8a72\u7814\u7a76\u62ab\u9732\u4e86 Geost\uff08\u8da8\u52e2\u79d1\u6280\u5075\u6e2c\u70baAndroidOS_Fobus.AXM\uff09\u5f9e\u53d7\u5bb3\u8005\u7aca\u53d6\u7684\u8cc7\u8a0a\u985e\u578b\u53ca\u50f5\u5c4d\u7db2\u8def\u80cc\u5f8c\u5718\u968a\u7684\u6d3b\u52d5\uff0c\u5305\u62ec\u64cd\u4f5c\u7b56\u7565\u548c\u7ba1\u7406\u8005\u9593\u7684\u901a\u8a0a\u4ee5\u53ca\u50f5\u5c4d\u7db2\u8def\u7de8\u78bc\u5668\u3002<\/p>\n\n\n\n<p>\u56e0\u70ba\u9019\u6709\u610f\u601d\u7684\u767c\u73fe\uff0c\u6211\u5011\u6c7a\u5b9a\u9006\u5411\u5de5\u7a0b\u60e1\u610f\u8edf\u9ad4\u6a23\u672c\u4f86\u6df1\u5165\u6316\u6398 Geost 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<\/em><em>\u60e1\u610f\u61c9\u7528\u7a0b\u5f0f\u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430<\/em><em>\u7684\u5716\u793a<\/em><\/p>\n\n\n\n<p>\u555f\u52d5\u61c9\u7528\u7a0b\u5f0f\u6642\u6703\u8981\u6c42\u88dd\u7f6e\u7ba1\u7406\u54e1\u6b0a\u9650\u3002\u9019\u5f88\u4e0d\u6b63\u5e38\uff0c\u4e00\u822c\u61c9\u7528\u7a0b\u5f0f\u4e0d\u592a\u6703\u9019\u6a23\u505a\uff0c\u56e0\u70ba\u9019\u57fa\u672c\u4e0a\u53ef\u4ee5\u8b93\u61c9\u7528\u7a0b\u5f0f\u64c1\u6709\u5c0d\u884c\u52d5\u88dd\u7f6e\u7684\u5b8c\u5168\u6b0a\u9650\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528\u8005\u53ef\u80fd\u5728\u4e0d\u77e5\u4e0d\u89ba\u4e0b\u6388\u4e88\u7684\u91cd\u8981\u6b0a\u9650\u9084\u6709\u5b58\u53d6\u7c21\u8a0a\uff0c\u9019\u5305\u62ec\u4f86\u81ea\u9280\u884c\u61c9\u7528\u7a0b\u5f0f\u7684\u78ba\u8a8d\u8a0a\u606f\u3002\u9019\u4e9b\u8a0a\u606f\u8b93\u60e1\u610f\u8edf\u9ad4\u53d6\u5f97\u53d7\u5bb3\u8005\u7684\u59d3\u540d\u3001\u9918\u984d\u548c\u5176\u4ed6\u9280\u884c\u5e33\u6236\u8a73\u7d30\u8cc7\u6599\u3002\u53ea\u9700\u9ede\u5e7e\u4e0b\uff0c\u653b\u64ca\u8005\u5c31\u53ef\u4ee5\u5f9e\u53d7\u5bb3\u8005\u7684\u9280\u884c\u5e33\u6236\u5c07\u9322\u8f49\u8d70\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/2-380x633.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u57162. <\/em><em>\u8981\u6c42\u88dd\u7f6e\u7ba1\u7406\u54e1\u6b0a\u9650\u7684\u756b\u9762<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/3-380x696.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u57163. <\/em><em>\u8981\u6c42\u7684\u61c9\u7528\u7a0b\u5f0f\u6b0a\u9650<\/em><\/p>\n\n\n\n<p>\u78ba\u8a8d\u6240\u9700\u7684\u6b0a\u9650\u5f8c\uff0c\u61c9\u7528\u7a0b\u5f0f\u7684\u53ef\u898b\u90e8\u5206\u6703\u95dc\u9589\uff0c\u61c9\u7528\u7a0b\u5f0f\u5716\u793a\u6703\u6d88\u5931\uff0c\u8b93\u53d7\u5bb3\u8005\u4ee5\u70ba\u61c9\u7528\u7a0b\u5f0f\u5df2\u88ab\u522a\u9664\u3002\u6e2c\u8a66\u88dd\u7f6e\u4e00\u958b\u59cb\u6c92\u6709\u51fa\u73fe\u6709\u554f\u984c\u7684\u60e1\u610f\u6d3b\u52d5\u8de1\u8c61\uff0c\u4f46\u60e1\u610f\u8edf\u9ad4\u5728\u80cc\u666f\u6d3b\u52d5\uff0c\u653b\u64ca\u8005\u5df2\u7d93\u53d6\u5f97\u8a72\u88dd\u7f6e\u7684\u5b58\u53d6\u6b0a\u9650\uff0c\u4f7f\u5f97\u4ed6\u5011\u53ef\u4ee5\u76e3\u8996\u6536\u767c\u7684\u8a0a\u606f\uff0c\u5305\u62ec\u9280\u884c\u61c9\u7528\u7a0b\u5f0f\u7684\u78ba\u8a8d\u8a0a\u606f\u3002<\/p>\n\n\n\n<p>\u70ba\u4e86\u5728\u91cd\u958b\u6a5f\u5f8c\u4f9d\u820a\u7e7c\u7e8c\u6d3b\u52d5\uff0c\u5b83\u6703\u8a3b\u518aBOOT_COMPLETED\u548cQUICKBOOT_POWERON\u5ee3\u64ad\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/4.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u57164. <\/em><em>\u5c07\u670d\u52d9\u8a3b\u518a\u5230\u958b\u6a5f\u5ee3\u64ad\uff08\u67d0\u4e9b\u7a0b\u5f0f\u78bc\u7d93\u904e\u6df7\u6dc6\u5316\uff09<\/em><\/p>\n\n\n\n<p><strong>\u968e\u6bb5\u4e00<\/strong><\/p>\n\n\n\n<p>\u5c31\u8ddf\u8a31\u591a\u60e1\u610f\u8edf\u9ad4\u4e00\u6a23\uff0cGeost\u5206\u6210\u591a\u500b\u968e\u6bb5\u904b\u884c\u3002\u7b2c\u4e00\u500b\u968e\u6bb5\u5f88\u7c21\u55ae\uff0c\u6703\u4e0b\u8f09\u548c\u89e3\u5bc6\u57f7\u884c\u66f4\u52a0\u8907\u96dc\u7684\u4e0b\u4e00\u968e\u6bb5\u3002<\/p>\n\n\n\n<p>Geost\u6a23\u672c\u7684APK\u6a94\u5c07\u7de8\u8b6f\u904e\u7684Java\u7a0b\u5f0f\u78bc\u5132\u5b58\u5728classes.dex\u6a94\u5167\u3002\u5b83\u9084\u5305\u542b\u4e86AndroidManifest.xml\u548c\u8cc7\u6e90\u6a94\uff0c\u9019\u4e9b\u662fAPK\u6a94\u7684\u5e38\u898b\u5167\u5bb9\u3002\u5b83\u9084\u6709\u4e00\u500b\u5927\u5c0f\u70ba125k\u7684&#8221;.cache&#8221;\u6a94\u6848\u3002<\/p>\n\n\n\n<p>\u70ba\u4e86\u53cd\u7de8\u8b6f\u89e3\u958b\u7684classes.dex\u6a94\u9700\u8981\u4f7f\u7528\u6578\u500bJava\u53cd\u7de8\u8b6f\u5668\uff08\u5305\u62ecdex2jar\u3001jadx\u3001jd-core\/jd-gui\u548cGhidra\uff09\uff0c\u56e0\u70ba\u6c92\u6709\u55ae\u4e00\u7684\u53cd\u7de8\u8b6f\u5668\u80fd\u5920\u53cd\u7de8\u8b6f\u6240\u6709\u7684Smali\u7a0b\u5f0f\u78bc\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/5-2048x450.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u57165. <\/em><em>\u53cd\u7de8\u8b6f\u7684Java<\/em><em>\u539f\u59cb\u78bc<\/em><\/p>\n\n\n\n<p>\u4e4d\u4e00\u770b\uff0c\u53cd\u7de8\u8b6f\u7a0b\u5f0f\u78bc\u4f3c\u4e4e\u90e8\u5206\u7de8\u78bc\u5728\u4e00\u4e32\u5b57\u4e32\u5167\uff1b\u4e0d\u904e\u5b57\u5143\u983b\u7387\u5206\u6790\u986f\u793a\u4f7f\u7528\u4e86\u96a8\u6a5f\u5b57\u5143\u3002<\/p>\n\n\n\n<p>\u9032\u4e00\u6b65\u5730\u5206\u6790\u986f\u793a\u60e1\u610f\u8edf\u9ad4\u4e2d\u5305\u542b\u4e00\u4e9b\u7121\u7528\u7684\u7a0b\u5f0f\u78bc\uff0c\u9664\u4e86\u6703\u62d6\u6162\u57f7\u884c\u901f\u5ea6\u5916\u5c0d\u61c9\u7528\u7a0b\u5f0f\u884c\u70ba\u672c\u8eab\u6c92\u6709\u5f71\u97ff\u3002\u9019\u8b93\u9006\u5411\u5de5\u7a0b\u8b8a\u5f97\u66f4\u52a0\u56f0\u96e3\uff0c\u56e0\u70ba\u60e1\u610f\u8edf\u9ad4\u5c07\u6709\u7528\u7684\u7a0b\u5f0f\u78bc\u5207\u6210\u591a\u500b\u90e8\u5206\u4e26\u4e0d\u65b7\u66f4\u6539\u57f7\u884c\u8def\u5f91\u3002\u63a1\u7528\u54ea\u500b\u5206\u652f\u901a\u5e38\u53d6\u6c7a\u5e36\u6709\u672a\u77e5\u503c\u7684\u8b8a\u6578\u3002&#8221;switch&#8221;\u3001&#8221;if&#8221;\u548c&#8221;try\/catch&#8221;\u547d\u4ee4\u5340\u584a\u4e5f\u662f\u5982\u6b64\u3002\u7121\u610f\u7fa9\u7684\u7a0b\u5f0f\u78bc\u51fd\u5f0f\u8b93\u60f3\u5168\u9762\u6027\u4e86\u89e3\u60e1\u610f\u8edf\u9ad4\u904b\u4f5c\u8b8a\u5f97\u66f4\u52a0\u56f0\u96e3\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/6.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u57166. <\/em><em>\u5e36\u6709case switch<\/em><em>\u689d\u4ef6\u5224\u65b7\u7684\u7a0b\u5f0f\u78bc<\/em><\/p>\n\n\n\n<p>\u9010\u6b65\u79fb\u9664\u7121\u7528\u7684\u7a0b\u5f0f\u78bc\u5f8c\u53ef\u4ee5\u627e\u51fa\u88ab\u4f7f\u7528\u7684\u7b2c\u4e00\u500b\u89e3\u5bc6\u6f14\u7b97\u6cd5\u3002\u968e\u6bb5\u4e00\u7684\u6240\u6709\u5b57\u4e32\u90fd\u7d93\u904e\nRC4\u52a0\u5bc6\uff0c\u4f7f\u7528\u4e86\u4e00\u7a2e\u6f14\u7b97\u6cd5\u4f86\u5207\u6210\u591a\u500b\u51fd\u5f0f\u4f86\u907f\u514d\u88ab\u8a8d\u51fa\u4f7f\u7528\u4e86RC4\u3002\u6240\u4ee5\u4e0b\u4e00\u6b65\u5c31\u662f\u627e\u51faRC4\u89e3\u5bc6\u91d1\u9470\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/7-640x683.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 7. <\/em><em>\u53cd\u89e3\u8b6f\u7684Java<\/em><em>\u539f\u59cb\u78bc\uff0c\u9019\u662fRC4<\/em><em>\u6f14\u7b97\u6cd5\u7684\u4e00\u90e8\u5206<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/8.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 8. <\/em><em>\u6e05\u7406\u51fa\u4f86\u7684\u90e8\u5206RC4<\/em><em>\u7a0b\u5f0f\u78bc<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/9.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 9. RC4<\/em><em>\u91d1\u9470<\/em><\/p>\n\n\n\n<p>RC4 \u662f\u4e00\u7a2e\u6d41\u52a0\u5bc6\u6f14\u7b97\u6cd5\uff0c\u5167\u90e8\u72c0\u614b\u6703\u96a8\u8457\u6bcf\u500b\u89e3\u5bc6\u7684symbol\u800c\u6539\u8b8a\u3002\u8981\u89e3\u5bc6\u591a\u500b\u52a0\u5bc6\u5b57\u4e32\u6642\uff0c\u901a\u5e38\u89e3\u5bc6\u52d5\u4f5c\u5fc5\u9808\u6309\u52a0\u5bc6\u6642\u7684\u9806\u5e8f\u9032\u884c\u3002\u5e78\u904b\u7684\u662f\uff0c\u6b64\u6a23\u672c\u4e26\u975e\u5982\u6b64\u3002\u7a0b\u5f0f\u78bc\u4f5c\u8005\u7c21\u5316\u4e86RC4\u800c\u6c92\u6709\u5728\u89e3\u5bc6\u52d5\u4f5c\u9593\u4fdd\u6301\u5167\u90e8\u72c0\u614b\uff0c\u56e0\u70baRC4\u52a0\u5bc6\u7a0b\u5f0f\u78bc\u59cb\u7d42\u8907\u88fd\u72c0\u614b\u9663\u5217S[]\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/10.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 10. RC4<\/em><em>\u52a0\u5bc6\u59cb\u7d42\u8907\u88fd\u72c0\u614b\u9663\u5217S[]<\/em><\/p>\n\n\n\n<p>\u4e4b\u5f8c\u958b\u59cb\u641c\u5c0b\u5e38\u7528\u7a0b\u5f0f\u5eab\u3002\u627e\u5230\u4e86Android.support.v4\u7a0b\u5f0f\u5eab\u548cReflectASM Java Reflection\u7a0b\u5f0f\u5eab\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/11.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 11. <\/em><em>\u5e36\u6709\u52a0\u5bc6\u5b57\u4e32\u7684\u7a0b\u5f0f\u78bc<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/12.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 12. <\/em><em>\u5e36\u6709\u89e3\u5bc6\u5f8c\u5b57\u4e32\u548c\u53bb\u6df7\u6dc6\u5316symbol<\/em><em>\u7684\u7a0b\u5f0f\u78bc<\/em><\/p>\n\n\n\n<p>\u6b64\u6642\u968e\u6bb5\u4e00\u7684\u7a0b\u5f0f\u78bc\u8b8a\u5f97\u53ef\u4ee5\u7406\u89e3\uff1a\u5b83\u5229\u7528\u53cd\u5c04\u7a0b\u5f0f\u78bc\u4f86\u96b1\u85cf\u7279\u5b9aclass\u548cmethod\u4e0d\u88ab\u6ce8\u610f\u3002\u57fa\u672c\u4e0a\uff0c\u968e\u6bb5\u4e00\u4f7f\u7528\u76f8\u540c\u7684RC4\u6f14\u7b97\u6cd5\u548c\u91d1\u9470\u89e3\u5bc6\u968e\u6bb5\u4e8c\u7684\u6a94\u6848\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/13.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u571613. <\/em><em>\u53cd\u5c04method<\/em><em>\u8abf\u7528\u7684\u4f8b\u5b50<\/em><\/p>\n\n\n\n<p>\u524d\u9762\u63d0\u5230\u7684&#8221;.cache&#8221;\u6a94\u88ab\u91cd\u65b0\u547d\u540d\u70ba.localsinfotimestamp1494987116\uff0c\u5728\u89e3\u5bc6\u5f8c\u5132\u5b58\u70baydxwlab.jar\uff0c\u53ef\u4ee5\u8f09\u5165\u548c\u555f\u52d5.dex\u6a94\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/14.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u571614. <\/em><em>\u89e3\u5bc6\u548c\u5132\u5b58\u968e\u6bb5\u4e8c<\/em><\/p>\n\n\n\n<p>\u7a0b\u5f0f\u78bc\u4f5c\u8005\u63d2\u5165\u4e86\u4e00\u500b\u5047\u65d7\u6a19HttpURLConnection\u53ca\u5176\u7db2\u5740\uff0c\u770b\u4f3c\u6703\u9023\u5230\u547d\u4ee4\u548c\u63a7\u5236\uff08C&amp;C\uff09\u4f3a\u670d\u5668\u3002\u4f46\u662f\u6b64 http\u9023\u7dda\u6c38\u9060\u4e0d\u6703\u57f7\u884c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/15.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 15. <\/em><em>\u5047\u65d7\u6a19<\/em><\/p>\n\n\n\n<p>\u968e\u6bb5\u4e00\u8f09\u5165\u968e\u6bb5\u4e8c\u7684class\uff0c\u7814\u7a76\u4eba\u54e1\u5c07\u5176\u547d\u540d\u70ba&#8221;MaliciousClass&#8221;\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/16.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u571616. <\/em><em>\u555f\u52d5\u968e\u6bb5\u4e8c<\/em><\/p>\n\n\n\n<p><strong>\u968e\u6bb5\u4e8c<\/strong><\/p>\n\n\n\n<p>\u67e5\u770b\u4e86classes.dex\uff0c\u5f88\u660e\u986f\u5730\u968e\u6bb5\u4e8c\u518d\u5ea6\u4f7f\u7528\u4e86\u6a21\u7cca\u5316\u548c\u52a0\u5bc6\u3002\u4f46\u9019\u6b21symbol\u540d\u7a31\u88ab 1\u52302\u500b\u5b57\u5143\u7684\u5b57\u4e32\u9032\u884c\u90e8\u5206\u66ff\u63db\uff0c\u800c\u4e0d\u662f\u8ddf\u4e4b\u524d\u4e00\u6a23\u76846\u523012\u500b\u5b57\u5143\u7684\u5b57\u4e32\u3002\u6b64\u5916\uff0c\u5b57\u4e32\u52a0\u5bc6\u6f14\u7b97\u6cd5\u4e5f\u88ab\u6539\u6210\u4e0d\u540c\u65bc\u524d\u4e00\u968e\u6bb5\u6240\u7528\u7684\u6f14\u7b97\u6cd5\u3002\u4f7f\u7528\u4e86\u4e0d\u540c\u7684\u5de5\u5177\u3002\u6b64\u5916\uff0c\u89e3\u5bc6\u6f14\u7b97\u6cd5\u7684\u53c3\u6578\u6703\u6839\u64da\u5404class\u52a0\u4ee5\u4fee\u6539\u3002<\/p>\n\n\n\n<p>\u6240\u6709\u7684Java\u53cd\u7de8\u8b6f\u5668\u56e0\u70baif\u5340\u584a\u51fa\u73fegoto\u547d\u4ee4\u800c\u5728\u53cd\u7de8\u8b6f\u89e3\u5bc6\u6f14\u7b97\u6cd5\u6642\u9047\u5230\u554f\u984c\u3002\u53ea\u6709Jeb desers\u53ef\u4ee5\u8655\u7406\u597d\u6b64\u7d50\u69cb\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/17.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u571617. <\/em><em>\u89e3\u5bc6\u6f14\u7b97\u6cd5\u7684Smali<\/em><em>\u78bc<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/18.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u571618. <\/em><em>\u89e3\u5bc6\u6f14\u7b97\u6cd5\u7684Java<\/em><em>\u7a0b\u5f0f\u78bc<\/em><\/p>\n\n\n\n<p>\u6bcf\u500bclass\u7684\u89e3\u5bc6\u65b9\u6cd5\u5305\u542b\u4e0d\u540c\u7684\u53c3\u6578\u9806\u5e8f\u548c\u4e0d\u540c\u7684\u5e38\u6578\uff1b\u8b93\u64b0\u5bebPython\u89e3\u5bc6\u8173\u672c\u8b8a\u5f97\u66f4\u52a0\u56f0\u96e3\u3002\u9019\u4ee3\u8868\u89e3\u5bc6\u8173\u672c\u5fc5\u9808\u5075\u6e2cSmali\u78bc\u5167\u7684\u6f14\u7b97\u6cd5\u8a2d\u7f6e\u4e26\u81ea\u6211\u8abf\u6574\uff0c\u6216\u662f\u5728\u89e3\u5bc6\u6bcf\u500bclass\u524d\u5148\u5728\u8173\u672c\u5167\u624b\u52d5\u8a2d\u7f6e\u53c3\u6578\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/19.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 19. <\/em><em>\u52a0\u5bc6\u5b57\u4e32\u7684\u4f8b\u5b50<\/em><\/p>\n\n\n\n<p>\u5b57\u4e32\u89e3\u5bc6\u5f8c\u53ef\u4ee5\u5075\u6e2c\u5230\u4f7f\u7528\u7684\u7a0b\u5f0f\u5eab\u3002\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul><li>AES\u52a0\u5bc6\u5f15\u64ce<\/li><li>Base64\u7de8\u78bc<\/li><li>\u6a21\u64ec\u5668\u5075\u6e2c\u5668<\/li><li>\u6a94\u6848\u4e0b\u8f09\u670d\u52d9<\/li><li>IExtendedNetworkService<\/li><li>USSD api\u7a0b\u5f0f\u5eab<\/li><li>Zip4jUtil<\/li><\/ul>\n\n\n\n<p><strong>\u521d\u59cb\u5316\u968e\u6bb5<\/strong><\/p>\n\n\n\n<p>\u5f9e\u968e\u6bb5\u4e00\u8abf\u7528\u7684MaliciousClass\u6210\u70ba\u7814\u7a76\u4eba\u54e1\u7a31\u70ba&#8221;CoNtext&#8221;\u5be6\u4f8b\u5316\u985e\u5225\uff08instantiated\nclass\uff09\u7684\u4fe1\u5c01\uff08envelope\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/20.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 20. Context Class<\/em><\/p>\n\n\n\n<p>Context class \u6703\u5148\u555f\u52d5\u6a21\u64ec\u5668\u5075\u6e2c\u5668\u670d\u52d9\u3002\u63a5\u8457\u555f\u52d5\u53e6\u5916\u5169\u500b\u670d\u52d9\uff1aAdminService\u548cLPService\uff0c\u7136\u5f8c\u624d\u505a\u4e3b\u8981\u8981\u505a\u7684\u4e8b\u60c5\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/21.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 21. <\/em><em>\u4e3b\u8981\u7684\u521d\u59cb\u5316\u52d5\u4f5c<\/em><\/p>\n\n\n\n<p><em>\u6a21\u64ec\u5668\u5075\u6e2c\u5668<\/em><\/p>\n\n\n\n<p>\u6a21\u64ec\u5668\u5075\u6e2c\u5668\u6703\u6aa2\u67e5\u662f\u5426\u5728\u6a21\u64ec\u74b0\u5883\u5167\u57f7\u884c\u7684\u8de1\u8c61\u3002\u6b64\u6a23\u672c\u6703\u5075\u6e2cNox\u3001Andy\u3001Geny\u3001Bluestack\u548cQemu Android\u6a21\u64ec\u5668\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/22.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 22. <\/em><em>\u6a21\u64ec\u74b0\u5883\u8ffd\u8e64<\/em><\/p>\n\n\n\n<p><em>AdminService<\/em><\/p>\n\n\n\n<p>\u6b64\u670d\u52d9\u8ca0\u8cac\u5c0d\u61c9\u7528\u7a0b\u5f0f\u6388\u4e88\u7ba1\u7406\u54e1\u6b0a\u9650\u3002\u9019\u662f\u500b\u95dc\u9375\u90e8\u5206\uff0c\u56e0\u70ba\u9019\u8b93\u5b83\u80fd\u5920\u5b58\u53d6\u654f\u611f\u6027\u8cc7\u6599\u4e26\u4e14\u53ef\u4ee5\u555f\u52d5\u7279\u6b0a\u64cd\u4f5c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/23.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 23. AdminService<\/em><em>\u7684\u95dc\u9375\u90e8\u5206<\/em><\/p>\n\n\n\n<p><em>LPService<\/em><\/p>\n\n\n\n<p>\u6b64\u670d\u52d9\u8ca0\u8cac\u4fdd\u6301\u61c9\u7528\u7a0b\u5f0f\u57f7\u884c\u4e26\u9023\u63a5C&amp;C\u4f3a\u670d\u5668\u3002\u5b83\u4f7f\u7528\u4e86WakeLock\u548cWifiLock acquie()\u547c\u53eb\u4f86\u505a\u5230\u9019\u9ede\u3002\u526f\u4f5c\u7528\u662f\u6703\u8b93\u96fb\u91cf\u6d88\u8017\u8b8a\u9ad8\uff0c\u4f46\u5927\u591a\u6578\u53d7\u5bb3\u8005\u901a\u5e38\u90fd\u6703\u5ffd\u7565\u6389\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/25.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 24. <\/em><em>\u9396\u5b9aCPU<\/em><em>\u548cWiFi<\/em><em>\u8cc7\u6e90<\/em><\/p>\n\n\n\n<p>\u63a5\u8457LPService\u6703\u5efa\u7acbLPServiceRunnable\u57f7\u884c\u7dd2\uff0c\u6bcf\u4e94\u79d2\u559a\u9192\u4e00\u6b21\u4e26\u8ca0\u8cac\u76e3\u8996\u548c\u91cd\u65b0\u555f\u52d5\u4ee5\u4e0b\u670d\u52d9\uff1a<\/p>\n\n\n\n<ul><li>MainService<\/li><li>AdminService<\/li><li>SmsKitkatService<\/li><\/ul>\n\n\n\n<p>\u6b64\u670d\u52d9\u9084\u6703\u6536\u96c6\u57f7\u884c\u4e2d\u7a0b\u5e8f\u548c\u5de5\u4f5c\u7684\u8cc7\u8a0a\u3002\u9084\u6703\u5b9a\u671f\u555f\u52d5WebViewActivity\uff08\u7528\u4f86\u958b\u555f\u700f\u89bd\u5668\u8996\u7a97\u5230\u4efb\u610f\u7db2\u5740\u6216\u555f\u52d5\u60e1\u610f\u7a0b\u5f0f\u78bc\uff09\u3002\u6b64\u6a23\u672c\u672a\u5be6\u4f5cWebViewActivity\u7a0b\u5f0f\u78bc\u3002<\/p>\n\n\n\n<p><em>MainService<\/em><\/p>\n\n\n\n<p>MainService\u9996\u5148\u9023\u63a5AlarmManager\u4f86\u6392\u7a0b\u5de5\u4f5c\uff0c\u63a5\u8457\u8a3b\u518a\u5169\u500b\u5ee3\u64ad\u63a5\u6536\u5668\uff1aMainServiceReceiver1\u548cMainServiceReceiver2\u3002\u5728\u521d\u59cb\u5316\u968e\u6bb5\u7d50\u675f\u6642\uff0c\u5b83\u6703\u555f\u52d5MainServiceRunnable\u57f7\u884c\u7dd2\u3002\u7576\u6a23\u672c\u57f7\u884c\u91cd\u8f09\u7684onDestroy()\nmethod\u6642\uff0c\u5b83\u6703\u518d\u6b21\u91cd\u65b0\u555f\u52d5MainService\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/25.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 25. <\/em><em>\u91cd\u8f09onDestroy<\/em><em>\u4ee5\u91cd\u65b0\u555f\u52d5MainService<\/em><\/p>\n\n\n\n<p>MainService\u7684\u4e00\u500b\u91cd\u8981method\u662fprocessApiResponse()\uff0c\u5b83\u8655\u7406\u5f9eC&amp;C\u4f3a\u670d\u5668\u63a5\u6536\u4f86\u7684JSON\u5b57\u4e32\u683c\u5f0f\u547d\u4ee4\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/26.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 26. <\/em><em>\u8655\u7406C&amp;C<\/em><em>\u4f3a\u670d\u5668\u547d\u4ee4<\/em><\/p>\n\n\n\n<p><em>ClearService<\/em><\/p>\n\n\n\n<p>\u6b64\u670d\u52d9\u8abf\u7528ClearServiceRunnable\u57f7\u884c\u7dd2\uff0c\u8a72\u57f7\u884c\u7dd2\u8ca0\u8cac\u9396\u5b9a\/\u89e3\u9396\u547d\u4ee4\uff08\u5c01\u9396\/\u53d6\u6d88\u5c01\u9396\u4f7f\u7528\u8005\u6d3b\u52d5\uff09\uff0c\u597d\u8b93\u50f5\u5c4d\u7db2\u8def\u64cd\u4f5c\u8005\u53ef\u4ee5\u5728\u6c92\u6709\u4f7f\u7528\u8005\u5e72\u9810\u7684\u60c5\u6cc1\u4e0b\u57f7\u884c\u9060\u7aef\u4efb\u52d9\u3002\u5982\u679c\u6709\u4eba\u8a66\u5716\u7d42\u6b62ClearService\uff0c\u5b83\u4e5f\u6703\u91cd\u555f\u81ea\u5df1\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/27.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 27. CleanService class<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/28.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 28. ClearServiceRunnable<\/em><\/p>\n\n\n\n<p><em>SmsKitkatService<\/em><\/p>\n\n\n\n<p>\u6b64\u670d\u52d9\u53ef\u4ee5\u8b93\u653b\u64ca\u8005\u7528\u81ea\u5df1\u7684\u7c21\u8a0a\u61c9\u7528\u7a0b\u5f0f\u4f86\u66ff\u63db\u6a19\u6e96\u7c21\u8a0a\u61c9\u7528\u7a0b\u5f0f\u3002\u5728\u6b64\u6a23\u672c\u4e2d\uff0c\u5b83\u4f7f\u7528\u9810\u8a2d\u7248\u672c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/29.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 29. <\/em><em>\u66f4\u63db\u9810\u8a2d\u7c21\u8a0a\u61c9\u7528\u7a0b\u5f0f\u7684\u7a0b\u5f0f\u78bc<\/em><\/p>\n\n\n\n<p><strong>\u547d\u4ee4<\/strong><\/p>\n\n\n\n<p>\u5728\u4e0b\u8868\u548c\u87a2\u5e55\u622a\u5716\u53ef\u4ee5\u770b\u5230\u6b64\u60e1\u610f\u8edf\u9ad4\u53ef\u8b58\u5225\u7684\u547d\u4ee4\u5217\u8868\uff08\u6309\u7a0b\u5f0f\u78bc\u5167\u5b9a\u7fa9\u7684\u9806\u5e8f\u6392\u5217\uff09\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table  class=\" table table-hover\" ><tbody><tr><td>\n  <strong>\u547d\u4ee4<\/strong>\n  <\/td><td>\n  <strong>\u63cf\u8ff0<\/strong>\n  <\/td><\/tr><tr><td>\n  #conversations\n  <\/td><td>\n  \u5f9econtent:\/\/sms\/conversations\/\u3001content:\/\/sms\/inbox\u548ccontent:\/\/sms\/sent\u6240\u6709\u7684\u7c21\u8a0a\u6536\u96c6\u5730\u5740\u3001\u5167\u6587\u3001\u65e5\u671f\u548c\u985e\u578b\u6b04\u4e26\u9001\u5230C&amp;C\u4f3a\u670d\u5668\n  <\/td><\/tr><tr><td>\n  #contacts\n  <\/td><td>\n  \u5f9econtent:\/\/com.android.contacts\/data\/phones\u6536\u96c6\u9023\u7d61\u4eba\u5217\u8868\u4e26\u9001\u5230C&amp;C\u4f3a\u670d\u5668\n  <\/td><\/tr><tr><td>\n  #calls\n  <\/td><td>\n  \u5f9econtent:\/\/call_log\/calls\u6536\u96c6\u6240\u6709\u901a\u8a71\u7d00\u9304\u4e26\u9001\u5230C&amp;C\u4f3a\u670d\u5668\n  <\/td><\/tr><tr><td>\n  #apps\n  <\/td><td>\n  \u6536\u96c6\u5df2\u5b89\u88dd\u5957\u4ef6\u540d\u7a31\u548c\u6a19\u7c64\u5217\u8868\u4e26\u9001\u5230C&amp;C\u4f3a\u670d\u5668\n  <\/td><\/tr><tr><td>\n  #bhist\n  <\/td><td>\n  \u6b64\u6a23\u672c\u5ffd\u7565\u6b64\u547d\u4ee4\n  <\/td><\/tr><tr><td>\n  #interval {set:number}\n  <\/td><td>\n  \u8a2d\u5b9a\u5f9eC&amp;C\u4f3a\u670d\u5668\u53d6\u5f97\u547d\u4ee4\u7684\u6642\u9593\u9593\u9694\n  <\/td><\/tr><tr><td>\n  #intercept\n  <\/td><td>\n  \u8a2d\u5b9a\u8981\u6514\u622a\u7c21\u8a0a\u7684\u865f\u78bc\uff08&#8221;\u5168\u90e8&#8221;\u6216\u865f\u78bc\u5217\u8868\uff09\n  <\/td><\/tr><tr><td>\n  #send id:, to:, body:\n  <\/td><td>\n  \u50b3\u9001\u7c21\u8a0a\n  <\/td><\/tr><tr><td>\n  #ussd {to:address, tel:number}\n  <\/td><td>\n  \u900f\u904eUSSD\u6846\u67b6\u64a5\u6253\u865f\u78bc\n  <\/td><\/tr><tr><td>\n  #send_contacts\n  <\/td><td>\n  \u5411\u96fb\u8a71\u7c3f\u5167\u7684\u6240\u6709\u9023\u7d61\u4eba\u50b3\u9001\u7c21\u8a0a\n  <\/td><\/tr><tr><td>\n  #server\n  <\/td><td>\n  \u8a2d\u5b9a\u8981\u57f7\u884c\u7684\u6392\u7a0b\u6642\u9593\n  <\/td><\/tr><tr><td>\n  #check_apps {path:url_to_server}\n  <\/td><td>\n  \u5c07\u57f7\u884c\u4e2d\u61c9\u7528\u7a0b\u5f0f\u5217\u8868\u9001\u5230C&amp;C\u4f3a\u670d\u5668\uff0c\u5f9e\u53c3\u6578\u5167\u5b9a\u7fa9\u7684\u8def\u5f91\u4e0b\u8f09archive.zip\u6a94\u6848\u7136\u5f8c\u5132\u5b58\u6210error.zip\u4e26\u89e3\u58d3\u7e2e\u3002Zip\u58d3\u7e2e\u6a94\u4f7f\u7528\u5bc6\u78bc&#8221;encryptedz1p&#8221;\u3002\u9810\u8a2d\u4f3a\u670d\u5668\u540d\u7a31\u70bahxxp:\/\/fwg23tt23qwef.ru\/\n  <\/td><\/tr><tr><td>\n  #send_mass {messages: {to:address,\n  body:text}, delay:ms}\n  <\/td><td>\n  \u5411\u4e0d\u540c\u5730\u5740\u767c\u9001\u591a\u500b\u7c21\u8a0a\uff0c\u6bcf\u6b21\u767c\u9001\u9593\u6703\u6709\u5ef6\u9072\n  <\/td><\/tr><tr><td>\n  #lock\n  <\/td><td>\n  \u5f9eClearServiceRunnable\u555f\u52d5RLA\u670d\u52d9\u4f86\u6514\u622a\u81ea\u6309\u9375AKEYCODE_HOME\u3001AKEYCODE_CAMERA\u548cAKEYCODE_FOCUS\u7684\u4e8b\u4ef6\u3002\u5b83\u9084\u6703\u6514\u622a BackBackPressed() Activity method\uff0c\u975c\u97f3\u9234\u8072\uff0c\u6e05\u9664\u6240\u6709\u7c21\u8a0a\u901a\u77e5\uff0c\u505c\u6b62\u81ea\u8eab\u548c\u4f7f\u624b\u6a5f\u7121\u56de\u61c9\n  <\/td><\/tr><tr><td>\n  #unlock\n  <\/td><td>\n  \u505c\u7528#lock\u547d\u4ee4\u4e0b\u7684\u64cd\u4f5c\uff0c\u4e26\u900f\u904e\u505c\u6b62ClearServiceRunnable\u89e3\u9396\u624b\u6a5f\n  <\/td><\/tr><tr><td>\n  #makecall {number:tel_number}\n  <\/td><td>\n  \u4f7f\u7528\u6a19\u6e96android.intent.action.CALL API\u64a5\u6253\u865f\u78bc\n  <\/td><\/tr><tr><td>\n  #openurl {filesDir=j:url}\n  <\/td><td>\n  \u958b\u555f\u7db2\u9801\u7db2\u5740\n  <\/td><\/tr><tr><td>\n  #hooksms {number:tel_number}\n  <\/td><td>\n  \u8a2d\u5b9a\u865f\u78bc \u2013 \u5c07\u6240\u6709\u50b3\u5165\u7684\u7c21\u8a0a\u8f49\u767c\u5230\u53c3\u6578\u4e2d\u7684\u865f\u78bc\n  <\/td><\/tr><tr><td>\n  #selfdelete\n  <\/td><td>\n  \u5c07\u5de5\u4f5c\u6642\u9593\u8a2d\u6210\u7121\u6cd5\u89e3\u6790\u7684\u5b57\u4e32\u503c\u4f86\u505c\u6b62\u81ea\u8eab\u6392\u7a0b\u7684\u5de5\u4f5c\n  <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/30-380x974.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/30.png\"><\/a><\/p>\n\n\n\n<p>\u5716 30. C&amp;C\u4f3a\u670d\u5668\u547d\u4ee4\u5217\u8868<\/p>\n\n\n\n<p><strong>ApiRequest<\/strong><strong>\u3001ApiResponse<\/strong><strong>\u3001ApiInterfaceimpl<\/strong><\/p>\n\n\n\n<p>ApiRequest\u3001ApiResponse \u548c ApiInterfaceImpl class\u652f\u63f4\u8207C&amp;C\u4f3a\u670d\u5668\u9593\u7684\u901a\u8a0a\u3002\u5728\u9023\u63a5\u53c3\u6578\u521d\u59cb\u5316\u88e1\uff0creplaceOfRandomStr\u8b8a\u6578\u503c\u8a2d\u70batrue\uff0c\u4e26\u4e14\u4e0d\u6703\u5728\u7a0b\u5f0f\u78bc\u4e2d\u66f4\u6539\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/31.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 31. <\/em><em>\u5efa\u7acbC&amp;C<\/em><em>\u4f3a\u670d\u5668\u9023\u63a5\u5b57\u4e32<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/32.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 32. <\/em><em>\u9023\u63a5\u53c3\u6578\u521d\u59cb\u5316<\/em><\/p>\n\n\n\n<p>\u4f7f\u7528\u4e00\u500b\u6f14\u7b97\u6cd5\u4f86\u7522\u751fC&amp;C\u4f3a\u670d\u5668\u7db2\u5740\u7528\u7684\u96a8\u6a5f\u5b57\u4e32\u3002\u63a5\u8457\u521d\u59cb\u5316API\u9023\u7dda\u4e26\u8a2d\u5b9aC&amp;C\u4f3a\u670d\u5668\u7684\u4e3b\u6a5f\u540d\u7a31\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/33.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 33. <\/em><em>\u70baC&amp;C<\/em><em>\u4f3a\u670d\u5668\u7db2\u5740\u5efa\u7acb\u96a8\u6a5f\u5b57\u4e32<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/34.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 34. API<\/em><em>\u9023\u7dda\u521d\u59cb\u5316<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/35.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 35. <\/em><em>\u8a2d\u7f6eC&amp;C<\/em><em>\u4f3a\u670d\u5668\u4e3b\u6a5f\u540d\u7a31<\/em><\/p>\n\n\n\n<p>\u4e00\u500bC&amp;C\u4f3a\u670d\u5668API\u4f7f\u7528\u4f8b\u5b50\u662fC&amp;C\u4f3a\u670d\u5668\u547d\u4ee4&#8221;#contacts&#8221;\u7684\u5be6\u4f5c\u3002\u6700\u7d42\uff0c\u547d\u4ee4\u53c3\u6578\u6703\u4ee5 JSON\u683c\u5f0f\u52a0\u5165\u4e26\u8f49\u63db\u70ba\u5b57\u4e32\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/files\/2020\/03\/36.png\" alt=\"\"\/><\/figure>\n\n\n\n<p><em>\u5716 36. C&amp;C<\/em><em>\u4f3a\u670d\u5668API<\/em><em>\u547c\u53eb\u7684\u4f8b\u5b50<\/em><\/p>\n\n\n\n<p><strong>\u6700\u4f73\u5be6\u4f5c\u548c\u8da8\u52e2\u79d1\u6280\u89e3\u6c7a\u65b9\u6848<\/strong><\/p>\n\n\n\n<p>\u8da8\u52e2\u79d1\u6280\u5728<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/research-and-analysis\/predictions\/2020?_ga=2.223024155.1639158289.1584239286-1177115081.1583386913\">2020\u5e74\u8cc7\u5b89\u9810\u6e2c<\/a>\u88e1\u9810\u6e2c\u4e86\u884c\u52d5\u60e1\u610f\u8edf\u9ad4\u5bb6\u65cf\u5c07\u6301\u7e8c\u5730\u589e\u52a0\uff0c\u5c31\u50cf\u91dd\u5c0d\u7db2\u8def\u9280\u884c\u548c\u652f\u4ed8\u7cfb\u7d71\u7684Geost\u3002\u884c\u52d5\u7528\u6236\u5728\u9019\u5145\u6eff\u5371\u96aa\u7684\u74b0\u5883\u9032\u884c\u63a2\u7d22\u6642\uff0c\u61c9\u8a72\u8981\u9075\u5faa<a href=\"https:\/\/www.trendmicro.com\/vinfo\/us\/security\/news\/mobile-safety\/best-practices-securing-your-mobile-device\/?_ga=2.223024155.1639158289.1584239286-1177115081.1583386913\">\u884c\u52d5\u88dd\u7f6e\u9632\u8b77\u6700\u4f73\u5be6\u4f5c<\/a>\u4f86\u4fdd\u8b77\u81ea\u5df1\u3002\u5176\u4e2d\u4e00\u500b\u4f5c\u6cd5\u5c31\u662f\u907f\u514d\u5f9e\u5b98\u65b9\u61c9\u7528\u7a0b\u5f0f\u5546\u5e97\u4ee5\u5916\u4e0b\u8f09\u3002<\/p>\n\n\n\n<p>\u4e0d\u904e\u907a\u61be\u7684\u662f\u60e1\u610f\u4efd\u5b50\u7e3d\u6703\u8a2d\u6cd5\u53bb\u900f\u904e\u5408\u6cd5\u61c9\u7528\u7a0b\u5f0f\u5546\u5e97\u6563\u64ad<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/adware-posing-as-85-photography-and-gaming-apps-on-google-play-installed-over-8-million-times\/\">\u60e1\u610f\u61c9\u7528\u7a0b\u5f0f<\/a>\u3002\u9664\u4e86\u9760\u9019\u4e9b\u7db2\u8def\u5546\u5e97\u6301\u7e8c<a href=\"https:\/\/www.zdnet.com\/article\/google-removes-600-android-apps-in-play-store-adware-crackdown\/\">\u79fb\u9664\u6709\u554f\u984c\u7684\u61c9\u7528\u7a0b\u5f0f<\/a>\uff0c\u4f7f\u7528\u8005\u4e5f\u53ef\u4ee5\u5728\u4e0b\u8f09\u524d\u5148\u4ed4\u7d30\u6aa2\u67e5\u61c9\u7528\u7a0b\u5f0f\u8a55\u8ad6\u53ca\u5176\u4ed6\u8cc7\u8a0a\u4f86\u907f\u514d\u9047\u5230\u6709\u554f\u984c\u7684\u61c9\u7528\u7a0b\u5f0f\u3002<\/p>\n\n\n\n<p>\u61c9\u7528\u7a0b\u5f0f\u4f7f\u7528\u8005\u5728\u6388\u6b0a\u7d66\u61c9\u7528\u7a0b\u5f0f\u524d\u61c9\u8a72\u8981\u5148\u4ed4\u7d30\u6aa2\u67e5\u6240\u8981\u6c42\u7684\u6b0a\u9650\u3002\u4e4b\u5f8c\u4f7f\u7528\u8005\u4e5f\u8981\u6ce8\u610f\u5176\u5c0d\u88dd\u7f6e\u662f\u5426\u9020\u6210\u4e0d\u597d\u7684\u5f71\u97ff\uff0c\u5982\u6548\u80fd\u4e0b\u964d\u6216\u96fb\u6c60\u4f7f\u7528\u6642\u9593\u8b8a\u77ed\uff0c\u9019\u53ef\u80fd\u4ee3\u8868\u4e86\u906d\u5230\u60e1\u610f\u8edf\u9ad4\u611f\u67d3\u3002\u6b64\u6642\u4f7f\u7528\u8005\u61c9\u8a72\u8981\u7acb\u5373\u79fb\u9664\u65b0\u5b89\u88dd\u7684\u61c9\u7528\u7a0b\u5f0f\u3002\u4f7f\u7528\u8005\u9084\u61c9\u8a72\u5b9a\u671f\u6aa2\u67e5\u4f86\u79fb\u9664\u672a\u4f7f\u7528\u7684\u61c9\u7528\u7a0b\u5f0f\u3002<\/p>\n\n\n\n<p>\u70ba\u4e86\u9032\u4e00\u6b65\u62b5\u79a6\u884c\u52d5\u5a01\u8105\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u5b89\u88dd\u63d0\u4f9b\u591a\u5c64\u6b21\u9632\u8b77\u7684\u884c\u52d5\u5b89\u5168\u89e3\u6c7a\u65b9\u6848\uff0c\u5982<a href=\"https:\/\/www.trendmicro.com\/us\/home\/products\/mobile-solutions\/android-security\/?_ga=2.213995543.1639158289.1584239286-1177115081.1583386913#compare-versions\">\u8da8\u52e2\u79d1\u6280\u884c\u52d5\u5b89\u5168\u9632\u8b77<\/a>\uff0c\u80fd\u5920\u4fdd\u8b77\u884c\u52d5\u88dd\u7f6e\u62b5\u79a6\u60e1\u610f\u61c9\u7528\u7a0b\u5f0f\u53ca\u5176\u4ed6\u884c\u52d5\u5a01\u8105\u7684\u653b\u64ca\u3002<\/p>\n\n\n\n<p><strong>\u5165\u4fb5\u6307\u6a19<\/strong><\/p>\n\n\n\n<style>\n   table {border-collapse:collapse; table-layout:fixed; width:310px;}\n   table td {border:solid 1px ; width:100px; word-wrap:break-word;}\n   <\/style>\n<figure class=\"wp-block-table\"><table  class=\" table table-hover\" ><tbody><tr><td>\n  <strong>SHA 256<\/strong>\n  <\/td><td>\n  <strong>\u5075\u6e2c\u540d\u7a31<\/strong>\n  <\/td><\/tr><tr><td>\n  92394e82d9cf5de5cb9c7c7ac072e77496bd1c7e294683837d30b18880c1810\n  <\/td><td>\n  AndroidOS_Fobus.AXM\n  <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>@\u539f\u6587\u51fa\u8655\uff1a<a href=\"https:\/\/blog.trendmicro.com\/trendlabs-security-intelligence\/dissecting-geost-exposing-the-anatomy-of-the-android-trojan-targeting-russian-banks\/\">Dissecting\nGeost: Exposing the Anatomy of the Android Trojan Targeting Russian Banks<\/a> \u4f5c\u8005\uff1aVit Sembera\uff08\u5a01\u8105\u5206\u6790\u5e2b\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Android\u9280\u884c\u6728\u99acGeost\u6700\u5148\u662f\u5f9e Stratosphere Laboratory \u7684 Sebastia [&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":[17,11,15,4215],"tags":[2274,1852,77,349],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/63701"}],"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=63701"}],"version-history":[{"count":1,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/63701\/revisions"}],"predecessor-version":[{"id":63702,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=\/wp\/v2\/posts\/63701\/revisions\/63702"}],"wp:attachment":[{"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=63701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=63701"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.trendmicro.com.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=63701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}