{"id":17138,"date":"2016-03-02T09:00:51","date_gmt":"2016-03-02T01:00:51","guid":{"rendered":"https:\/\/blog.trendmicro.com.tw\/?p=17138"},"modified":"2016-03-24T17:10:35","modified_gmt":"2016-03-24T09:10:35","slug":"%e3%80%8cshrouded-crossbow%e3%80%8d%e6%94%bb%e6%93%8a%e8%a1%8c%e5%8b%95%e7%9a%84%e9%a7%ad%e5%ae%a2%e9%96%8b%e7%99%bc%e5%87%baunix-%e5%b9%b3%e5%8f%b0%e7%9a%84-bifrose-%e6%83%a1%e6%84%8f%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/blog.trendmicro.com.tw\/?p=17138","title":{"rendered":"\u300cShrouded Crossbow\u300d\u653b\u64ca\u884c\u52d5\u7684\u99ed\u5ba2\u958b\u767c\u51faUNIX \u5e73\u53f0\u7684 BIFROSE \u60e1\u610f\u7a0b\u5f0f"},"content":{"rendered":"

\u8da8\u52e2\u79d1\u6280<\/a>\u6700\u8fd1\u9047\u5230\u4e86\u4e00\u500b\u91dd\u5c0d UNIX \u4ee5\u53ca\u300c\u985e UNIX\u300d\u7cfb\u7d71\u6240\u958b\u767c\u7684 BIFROSE \u60e1\u610f\u7a0b\u5f0f\u8b8a\u7a2e\u3002\u9019\u662f\u7531 Shrouded Crossbow<\/a> (\u6697\u5f29) \u653b\u64ca\u884c\u52d5\u80cc\u5f8c\u7684\u540c\u4e00\u6279\u99ed\u5ba2\u6240\u70ba\uff0c\u9019\u6279\u99ed\u5ba2\u540c\u6642\u4e5f\u958b\u767c\u4e86 KIVARS \u548c KIVARS x64 \u7b49\u5176\u4ed6 BIFROSE \u8b8a\u7a2e\u3002\u4ee5 UNIX<\/a> \u70ba\u57fa\u790e\u7684\u4f5c\u696d\u7cfb\u7d71\u4e00\u822c\u90fd\u51fa\u73fe\u5728\u4f3a\u670d\u5668\u53ca\u5de5\u4f5c\u7ad9\uff0c\u4f46\u4e5f\u51fa\u73fe\u5728\u884c\u52d5\u88dd\u7f6e\u3002\u7531\u65bc\u9019\u4e9b\u4f3a\u670d\u5668\u53ca\u88dd\u7f6e\u901a\u5e38\u542b\u6709\u76f8\u7576\u6a5f\u5bc6\u7684\u8cc7\u6599\uff0c\u56e0\u6b64 UNIX \u7248\u672c\u7684 BIFROSE \u53ef\u8aaa\u662f\u4e00\u9805\u56b4\u91cd\u5a01\u8105\u3002<\/p>\n

\u6280\u8853\u5be6\u529b<\/strong><\/em><\/p>\n

Shrouded Crossbow \u5e55\u5f8c\u7684\u72af\u7f6a\u96c6\u5718\u4e00\u76f4\u5728\u6301\u7e8c\u66f4\u65b0 BIFROSE \u60e1\u610f\u7a0b\u5f0f\u4f86\u914d\u5408\u5176\u653b\u64ca\u884c\u52d5\u3002\u6709\u4e9b\u53d7\u5bb3\u8005\u751a\u81f3\u540c\u6642\u611f\u67d3\u4e86 Windows \u548c UNIX \u5169\u7a2e\u7248\u672c\u7684 BIFROSE\u3002\u904e\u53bb\uff0cShrouded Crossbow \u66fe\u5229\u7528 BIFROSE \u4f86\u653b\u64ca\u6c11\u71df\u4f01\u696d\u3001\u653f\u5e9c\u6a5f\u95dc\u4ee5\u53ca\u653f\u5e9c\u5916\u5305\u5546\uff0c\u4e5f\u66fe\u653b\u64ca\u6d88\u8cbb\u6027\u96fb\u5b50\u3001\u96fb\u8166\u3001\u91ab\u7642\u3001\u91d1\u878d\u7b49\u7522\u696d\u3002<\/p>\n\n\n\n\n\n\n\n
Shrouded Crossbow \u5c0d BIFROSE \u7684\u6301\u7e8c\u66f4\u65b0<\/td>\n<\/tr>\n
2004 \u5e74<\/td>\nksv \u958b\u767c\u4e86 BIFROSE \u6728\u99ac\u7a0b\u5f0f<\/a>\uff1a<\/strong><\/p>\n

\u53ef\u611f\u67d3 Windows 95 \u81f3 Windows 7 \u7b49\u7248\u672c\u7684\u96fb\u8166\u3002<\/td>\n<\/tr>\n

2010 \u5e74<\/td>\nShrouded Crossbow \u958b\u767c\u4e86 KIVARS\uff1a<\/strong><\/p>\n

2010 \u5e74 \u2013 \u900f\u904e TROJ_FAKEWORD.A (SHA1 218be0da023e7798d323e19e950174f53860da15) \u6728\u99ac\u7a0b\u5f0f\u4f86\u690d\u5165\u96fb\u8166\u7576\u4e2d\uff0c\u53ea\u80fd\u611f\u67d3 32 \u4f4d\u5143\u7cfb\u7d71\u3002<\/p>\n

\u53ea\u6703\u4fee\u6539\u5f8c\u9580\u7a0b\u5f0f\u57f7\u884c\u6a94\u958b\u982d\u7684\u300cMZ\u300d\u8b58\u5225\u4f4d\u5143\u7d44\u4f86\u52a0\u5bc6\u3002<\/p>\n

 <\/td>\n<\/tr>\n

2013 \u5e74<\/td>\nShrouded Crossbow \u958b\u767c\u4e86 KIVARS x64\uff1a<\/strong><\/p>\n

\u5728 32 \u4f4d\u5143\u548c 64 \u4f4d\u5143\u74b0\u5883\u90fd\u80fd\u904b\u4f5c\u3002<\/p>\n

\u6728\u99ac\u7a0b\u5f0f\u6a94\u6848\u63a1\u7528 RC4 \u52a0\u5bc6\u624b\u6cd5\u3002<\/p>\n

 <\/td>\n<\/tr>\n

2014 \u5e74<\/td>\nShrouded Crossbow \u958b\u767c\u4e86 UNIX BIFROSE\u3002<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

UNIX BIFROSE<\/strong><\/em><\/p>\n

Shrouded Crossbow \u91cd\u65b0\u6539\u5beb\u4e86 BIFROSE \u7684\u7a0b\u5f0f\uff0c\u7136\u5f8c\u5c07\u5b83\u7d44\u8b6f\u6210 UNIX \u548c\u300c\u985e UNIX\u300d\u7cfb\u7d71\u57f7\u884c\u6a94\u7684\u6a19\u6e96\u683c\u5f0f (Executable and Link Format\uff0c\u7c21\u7a31 ELF)\u3002\u5176\u7a0b\u5f0f\u78bc\u8207 Windows \u7248\u672c\u622a\u7136\u4e0d\u540c\uff0c\u4f46\u537b\u4ecd\u6cbf\u7528\u4e86\u76f8\u540c\u7684\u901a\u8a0a\u5354\u5b9a\u8207\u5e55\u5f8c\u64cd\u7e31 (C&C) \u6307\u4ee4\u3002\u56e0\u6b64 Windows \u548c UNIX \u7248\u672c\u90fd\u80fd\u8207\u539f\u672c\u7684 Bifrost C&C \u4f3a\u670d\u5668\u901a\u8a0a\u3002\u4e0d\u904e UNIX \u7248\u672c\u7684 BIFROSE \u5f8c\u9580\u529f\u80fd\u4e0d\u5982\u539f\u672c Windows \u7248\u672c\u7684 BIFROSE \u90a3\u9ebc\u8c50\u5bcc\u3002<\/p>\n

UNIX \u53ca WINDOWS \u7248\u672c\u7684\u56de\u5831\u8a0a\u606f\u5c01\u5305<\/strong><\/p>\n

UNIX<\/p>\n

<victim IP>|unix|<hostname>|<username>|5.0.0.0|0|1|1|0|575|0|0|0|0|None|||||<\/p>\n

Windows<\/p>\n

<victim IP>|default_zz|<hostname>|<username>|2.0.0a||1|-1|0|2600|1|1|0|0|982bc1da|C:\\Documents and Settings\\Administrator\\Recent|C:\\Documents and Settings\\Administrator\\Desktop|C:\\Documents and Settings\\Administrator\\My Documents|US|00000409|<\/p>\n

BIFROSE \u5728\u56de\u5831\u7d66 C&C \u4f3a\u670d\u5668\u7684\u8a0a\u606f\u5c01\u5305\u7576\u4e2d\uff0c\u6703\u4f7f\u7528\u9810\u8a2d\u7684\u540d\u7a31\u4f86\u8a3b\u518a\u3002Windows \u7248\u672c\u7684 BIFROSE \u9810\u8a2d\u540d\u7a31\u70ba\u300cdefault_zz<\/em>\u300d\uff0c\u800c UNIX \u7248\u7684\u9810\u8a2d\u540d\u7a31\u70ba\u300cunix<\/em>\u300d\u3002\u4e0d\u904e\uff0c\u99ed\u5ba2\u96a8\u5f8c\u53ef\u4ee5\u8f15\u6613\u8b8a\u66f4\u9019\u4e9b\u540d\u7a31\u3002\u81f3\u65bc\u4e00\u958b\u59cb\u5b89\u88dd\u7684\u60e1\u610f\u7a0b\u5f0f\u7248\u672c\uff0cWindows \u5e73\u53f0\u662f 2.0.0a\uff0cUNIX \u5247\u70ba 5.0.0.0\u3002Windows \u7248\u672c\u4e00\u65e6\u9023\u4e0a C&C \u4f3a\u670d\u5668\u4e4b\u5f8c\uff0c\u5c31\u6703\u5305\u542b\u78c1\u789f\u5e8f\u865f\u3001\u8a9e\u8a00\u5730\u5340\u8a2d\u5b9a\u3001\u9375\u76e4\u914d\u7f6e\u7b49\u7b49\u7528\u4f86\u8b58\u5225\u53d7\u5bb3\u8005\u4ee5\u65b9\u4fbf\u99ed\u5ba2\u7ba1\u7406\u548c\u767c\u52d5\u653b\u64ca\u7684\u8cc7\u8a0a\u3002\u4e0d\u904e\uff0c\u9019\u4e9b\u8cc7\u8a0a\u4e26\u672a\u51fa\u73fe\u5728 UNIX \u7248\u672c\u4e0a\u3002<\/p>\n

\u4f46 UNIX BIFROSE \u537b\u63d0\u4f9b\u4e86\u4e00\u500b\u300c\u555f\u52d5\u9060\u7aef\u547d\u4ee4\u5217\u4ecb\u9762\u7a0b\u5f0f\u300d(create remote shell) \u7684\u6307\u4ee4\u4f86\u65b9\u4fbf\u719f\u6089 UNIX \u7cfb\u7d71\u7684\u99ed\u5ba2\u5f9e\u9060\u7aef\u9059\u63a7\u3002<\/p>\n

\"\u5716
\u5716 1\uff1aUNIX BIFROSE \u7684\u300c\u555f\u52d5\u9060\u7aef\u547d\u4ee4\u5217\u4ecb\u9762\u7a0b\u5f0f\u300d(create remote shell) \u6307\u4ee4\u3002<\/figcaption><\/figure>\n

 <\/p>\n

\u8de8\u5e73\u53f0\u60e1\u610f\u7a0b\u5f0f<\/strong><\/em><\/p>\n

\u5728\u6e2c\u8a66\u904e UNIX \u7248\u672c\u7684 BIFROSE \u4e4b\u5f8c\uff0c\u8da8\u52e2\u79d1\u6280\u767c\u73fe\u5b83\u53ef\u4ee5\u9806\u5229\u9023\u4e0a\u539f\u672c Windows \u7248\u672c\u6240\u4f7f\u7528\u7684 BIFROSE \u4f3a\u670d\u5668\u3002\u6b64\u5916\uff0c\u6211\u5011\u7684\u7814\u7a76\u4e5f\u986f\u793a\uff0c\u540c\u4e00\u500b\u7db2\u8def\u53ef\u80fd\u540c\u6642\u611f\u67d3 Windows \u548c UNIX \u5169\u7a2e\u7248\u672c\u7684\u60e1\u610f\u7a0b\u5f0f\u3002\u9019\u6a23\u99ed\u5ba2\u53ef\u78ba\u4fdd\u4e0d\u8ad6\u53d7\u5bb3\u8005\u4f7f\u7528\u54ea\u4e00\u7a2e\u5e73\u53f0\u7684\u4f5c\u696d\u7cfb\u7d71\uff0c\u4ed6\u5011\u90fd\u80fd\u9806\u5229\u8207\u4f3a\u670d\u5668\u6e9d\u901a\u3002<\/p>\n

\u7531\u65bc\u6211\u5011\u5728\u6700\u8fd1\u51fa\u73fe\u7684\u4e00\u4e9b\u91dd\u5c0d\u6027\u653b\u64ca\u7576\u4e2d\u767c\u73fe\u4e86 BIFROSE \u60e1\u610f\u7a0b\u5f0f\u7684\u8e64\u5f71\uff0c\u56e0\u6b64\uff0c\u6211\u5011\u7279\u5225\u91dd\u5c0d\u67d0\u500b\u6301\u7e8c\u6027\u653b\u64ca\u4e2d\u4f7f\u7528\u7684\u65b0\u8b8a\u7a2e\u505a\u4e86\u4e00\u756a\u7814\u7a76\u3002\u6211\u5011\u767c\u73fe\u6b79\u5f92\u5c07 UNIX BIFROSE \u7528\u65bc\u91dd\u5c0d\u6027\u653b\u64ca\u7684\u300c\u6a6b\u5411\u79fb\u52d5\u300d\u968e\u6bb5\uff0c\u4e26\u5229\u7528\u5b83\u4f86\u638c\u63a7\u53d7\u5bb3\u8005\u7db2\u8def\u4e0a\u7684Linux \u4f3a\u670d\u5668\u3002\u6b64\u5916\u4e5f\u7528\u4f86\u6383\u7784\u662f\u5426\u6709\u5176\u4ed6\u542b\u6709\u6f0f\u6d1e\u4e26\u53ef\u9032\u4e00\u6b65\u611f\u67d3\u7684 Linux \u96fb\u8166\u4ee5\u5ef6\u7e8c\u5176\u653b\u64ca\u884c\u52d5\u3002<\/p>\n

\u96d6\u7136 UNIX BIFROSE \u7684\u5a01\u8105\u6709\u4e00\u534a\u4f86\u81ea\u65bc\u5b83\u672c\u8eab\u7684\u80fd\u529b\uff0c\u4f46\u53e6\u4e00\u534a\u537b\u4f86\u81eaShrouded Crossbow \u4e0d\u65b7\u63a8\u51faBIFROSE \u65b0\u7248\u672c\u7684\u7814\u767c\u80fd\u529b\u3002<\/p>\n

\u81f3\u65bc BIFROSE \u7684\u4e0b\u4e00\u500b\u76ee\u6a19\u662f\u54ea\u500b\u5e73\u53f0\uff0c\u6211\u60f3\u61c9\u8a72\u4e0d\u6703\u662f\u6642\u9593\u4e0a\u7684\u554f\u984c\uff0c\u800c\u662f\u8981\u770b\u9700\u6c42\u800c\u5b9a\u3002\u5982\u679c Shrouded Crossbow \u9700\u8981\u7528\u5230 iOS \u6216 Android \u7248\u7684 BIFROSE\uff0c\u76f8\u4fe1\u4ed6\u5011\u5c31\u6703\u958b\u767c\u51fa\u4f86\uff0c\u5373\u4fbf\u7a0b\u5f0f\u9700\u8981\u91cd\u5beb\u4e5f\u6c92\u554f\u984c\u3002\u800c\u4e14\u5f9e\u4ed6\u5011\u958b\u767c UNIX BIFROSE \u7684\u80fd\u529b\u4f86\u770b\uff0cOS X \u7248\u672c\u7684\u51fa\u73fe\u4e5f\u4e0d\u9060\u4e86\u3002<\/p>\n

\u5c0d\u4f01\u696d\u7684\u53ef\u80fd\u5f71\u97ff<\/strong><\/em><\/p>\n

\u7576 IT \u7cfb\u7d71\u7ba1\u7406\u54e1\u5728\u7db2\u8def\u548c\u90f5\u4ef6\u8a18\u9304\u6a94\u7576\u4e2d\u767c\u73fe\u4e0d\u5c0b\u5e38\u7684\u6d3b\u52d5\u5fb5\u5146\u6642\uff0c\u5c31\u5fc5\u9808\u7acb\u523b\u505a\u51fa\u56de\u61c9\u3002\u5982\u540c\u6211\u5011\u904e\u53bb\u7684\u4e00\u7bc7\u6587\u7ae0\u300c\u6aa2\u67e5\u7db2\u8def\u662f\u5426\u6709\u9396\u5b9a\u76ee\u6a19\u653b\u64ca\u8de1\u8c61\u7684\u4e03\u500b\u5730\u65b9<\/a>\u300d(7 Places to Check for Signs of a Targeted Attack in Your Network) \u6240\u8a00\uff0c\u90a3\u4e9b\u51fa\u73fe\u5728\u300c\u4e0d\u6b63\u5e38\u6642\u6bb5\u300d\u7684\u7db2\u8def\u6d3b\u52d5 (\u4f8b\u5982\u7db2\u8def\u767b\u5165\u548c\u96fb\u5b50\u90f5\u4ef6) \u90fd\u61c9\u8a72\u9032\u4e00\u6b65\u52a0\u4ee5\u67e5\u8b49\u3002<\/p>\n

\u7576\u4f01\u696d\u5728\u9762\u5c0d\u91dd\u5c0d\u6027\u653b\u64ca\/\u9396\u5b9a\u76ee\u6a19\u653b\u64ca(Targeted attack )<\/a>\u6642\uff0c\u540c\u6a23\u4e5f\u5fc5\u9808\u62b1\u6301\u5982\u6b64\u56b4\u8b39\u7684\u614b\u5ea6\u4e26\u4ed4\u7d30\u89c0\u5bdf\u7db2\u8def\u72c0\u6cc1\uff0c\u624d\u80fd\u6709\u6548\u5075\u6e2c\u99ed\u5ba2\u5165\u4fb5\u5fb5\u5146\u8207\u7570\u5e38\u72c0\u6cc1\uff0c\u9032\u800c\u63a1\u53d6\u9069\u7576\u7684\u56e0\u61c9\u63aa\u65bd\u3002\u4f01\u696d\u82e5\u80fd\u63a1\u7528\u50cf\u8da8\u52e2\u79d1\u6280\u8da8\u52e2\u79d1\u6280Deep Discovery\u9032\u968e\u7db2\u8def\u5b89\u5168\u9632\u8b77<\/a>\u3001\u8da8\u52e2\u79d1\u6280Deep Security<\/a>\u4ee5\u53ca ServerProtect\u00a0<\/a> \u9019\u6a23\u7684\u7db2\u8def\u9632\u79a6\u5e73\u53f0\uff0cIT \u7cfb\u7d71\u7ba1\u7406\u54e1\u5c31\u80fd\u5075\u6e2c\u3001\u5206\u6790\u53ca\u56de\u61c9\u9019\u985e\u5a01\u8105\u3002\u9019\u4e9b\u7522\u54c1\u53ef\u5075\u6e2c BIFROSE \u7684\u60e1\u610f\u52d5\u4f5c\u3001C&C \u901a\u8a0a\u3001\u6a6b\u5411\u79fb\u52d5\uff0c\u4ee5\u53ca\u8cc7\u6599\u5916\u50b3\u7b49\u5404\u9805\u884c\u70ba\u3002<\/p>\n

\u4ee5\u4e0b\u662f ELF_BIFROSE.ZTDA \u7684\u96dc\u6e4a\u78bc\u53ca C&C \u4f3a\u670d\u5668\u4f4d\u5740\uff1a<\/p>\n\n\n\n\n\n\n
SHA1<\/td>\nC&C<\/td>\n<\/tr>\n
3d3bb509f307db97630c297bdb985c83d8a40951<\/td>\n103.246.247.103<\/p>\n

202.133.245.251<\/td>\n<\/tr>\n

5d8b228e3014b4eb579e380b3a1113dd8c0d999a<\/td>\n58.64.185.12<\/td>\n<\/tr>\n
\u539f\u6587\u51fa\u8655\uff1a \u00a0<\/a>\u300cShrouded Crossbow\u300d\u653b\u64ca\u884c\u52d5\u7684\u99ed\u5ba2\u958b\u767c\u51faUNIX \u5e73\u53f0\u7684 BIFROSE \u60e1\u610f\u7a0b\u5f0f (Threat Actors Behind \u201cShrouded Crossbow\u201d Create BIFROSE for UNIX)<\/a>\u4f5c\u8005\uff1aRazor Huang (\u5a01\u8105\u5206\u6790\u5e2b)<\/a><\/p>\n

 <\/td>\n

<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

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