DDG挖矿僵尸网络瞄准数据库服务器：收益已达近800万

导语：2017年10月,360网络安全研究院监控到一个大规模攻击OrientDB 数据库服务器,挖取门罗币的僵尸网络,并将其命名为 DDG 挖矿僵尸网络

2017年10月,360网络安全研究院监控到一个大规模攻击OrientDB 数据库服务器,挖取门罗币(XMR,Monero CryptoCurrency)的僵尸网络,并将其命名为 DDG 挖矿僵尸网络 (DDG Mining Botnet,以下简称 DDG)。DDG 累积挖取的门罗币数目较大,到2018年2月,能够确认该僵尸网络累积挖取的已经超过 3,395枚门罗币,折合人民币超过580万元 。DDG一跃成为继MyKings之后,收益第二大的挖矿僵尸网络。(详细分析见:https://blog.netlab.360.com/ddg-a-mining-botnet-aiming-at-database-server/)

近期,360注意到该家族发布了新的版本 3011 ,在该更新版本部署的过程中,引发了端口 7379 及相关端口上的扫描流量异常。该版本中启用了新的钱包,其在 2 个矿池里累计收益已经超过 1,419 枚 XMR,折合人民币近180万元。迄今,长期运营的DDG从数据库服务器中攫取的挖矿收益已达近800万人民币。

DDG 3011版本简介

值得注意的是,DDG僵尸网络的新版本可能还处于测试阶段,或者只是一个过渡版本。

DDG 3011 版本的概要特征如下:

·启用了新的 XMR 钱包地址

42d4D8pASAWghyTmUS8a9yZyErA4WB18TJ6Xd2rZt9HBio2aPmAAVpHcPM8yoDEYD9Fy7eRvPJhR7SKFyTaFbSYCNZ2t3ik ;

·挖矿程序变更为 2t3ik ,但命名规则没有变化,仍然是钱包地址的末尾 5 位;

·启用多个矿池,这应该被理解成为一种失效保护机制;

·样本的编写语言由旧的 Go1.9.2 换成了 Go1.10,并在代码结构、第三方库和自身功能方面进行较大改动;

·启用了云端配置文件,可以由云端配置文件指定要扫描的服务端口、矿机程序下载链接、本地样本更新数据等等;

·相同的持久驻留机制:将 i.sh 脚本写入到 Crontab 中定期更新、运行。

7379 及相关端口上的扫描流量异常

近期,我们的 ScanMon 系统显示 Redis 服务相关端口的扫描流量骤增,如下:

1.png

图1

上图中,与该扫描相关的关联端口共计 7 个,分别是 :

·Redis 相关的三个:6379, 6380, 7379

·SSH 相关的三个:22, 2222, 22222

·HTTP 相关的一个:8000

我们在本文后续的样本分析环节中可以发现,DDG 新版本 ddgs.3011 的扫描模式与上述 ScanMon 观察到的现象非常契合。这足以证明,DDG 最新版本的活动引起了本轮 7379 及相关端口上的扫描行为。

样本执行流程

我们捕获了这次事件相关的核心样本:

2.png

图2

该样本的执行流程如下:

3.png

图3

新旧样本最明显的相似之处,是通过把 i.sh 脚本植入到 Linux 系统肉鸡的 Crontab 中来实现持久驻留。新 i.sh 脚本内容如下:

4.png

图4

5.png

图5

ddgs.i686 通过 SSH / Redis 服务暴破、未授权访问来入侵主机,暴破词典如下: 

6.png

图6

ddgs.i686 还会在失陷主机本地的 /var/spool/cron/crontabs/root 或者 /var/spool/cron/crontabs 处写入定时任务脚本,从云端下载最新的 i.sh 脚本定时执行( %s 处为最新的 i.sh 下载链接),实现持久驻留:

7.png

图7

然后,ddgs.i686 会尝试在当前肉鸡的 ~/.ssh/authorized_keys 中注入以下 SSH Pub Key:

8.png

图8

ddgs.i686 样本中内置了一个 ip:port 的 List,其中 2 个主要的 165.225.157.157:8000 和 165.227.149.151:8000 ,其他算是备用,全部列表见文末 IoC 部分。

样本 ddgs.i686 启动之后,会依次连接上述 ip:port 检查是否可以访问:

9.png

图9

对每个成功握手的 ip:port ,ddgs.i686 都会尝试向 hxxp://<C2:8000>/slave 发送 HTTP POST 请求:

10.png

图10

如果 C2 正常工作,则会返回一串用 msgPack 序列化编码后的配置文件数据:

11.png

图11

由于这串数据自定义了复杂的数据结构,没能成功完美解码,经过 msgPack 通用反序列化再大概还原后如下:

12.png

图12

13.png

图13

14.png

图14

15.png

图15

16.png

图16

结合配置文件和样本分析,可以发现以下几个关键点:

1.配置文件中提供了 Miner 程序的 URI、MD5 和保存到当前肉鸡的文件路径。ddgs.i686 会根据 URI,通过 HTTP GET 请求从 http://<C2:8000>/Miner_URI 处下载 Miner 程序并另存到指定路径;

2.配置文件中提供了最新的 i.sh 文件下载路径,ddgs.i686 会把这个路径填充到定时任务的命令字串中;

3.配置文件中指定了要扫描的 dstport,可以看到针对 Redis 服务,指定 ddgs.i686 扫描 (6379, 6380, 7379) 三个端口,针对 SSH 服务,指定扫描 (22, 2222, 22222) 三个端口。(这里可以解释 ScanMon 上 7 个端口之间的伴生关系。但 Redis 服务相关的 3 个端口与 SSH 服务相关的 3 个端口之间 Shared scip 数量比较少,原因可能跟蜜罐部署以及蜜罐的网络配置有关)

4.配置文件中的 GenLan / GenAAA 对应生成 Scan Target IP 的生成策略。样本中的 Scan Target IP 生成策略仍然同于旧版本的 ddg.miner: 
生成的内网网段 Target IP 范围如下:

·10.Y.x.x/16 (Y 为当前内网 IP B 段的值)

·172.16.x.x/16

·192.168.x.x/16

当前主机的公网 IP 地址 WAN_IP ,然后在 WAN_IP/8 范围内生成公网网段 Target IP 。

但是样本内有个扫描控制策略,从行为上看,针对内网 Target IP ,只扫描 SSH 服务相关的 3 个端口,我的虚拟机上运行结果只会扫 SSH 服务,看起来只有获取到了网卡的外网地址,才会针对外网的 Target IP 扫描 Redis 相关的端口。

5.配置文件中给出了 ddgs 样本的更新配置:最新的版本号、本地另存的文件路径、C2 端下载的 URI 以及样本的 MD5,本地已有的 ddgs.i686 样本会根据这些信息对本地样本进行更新。

挖矿

样本获取配置文件后,会根据配置文件中 Miner 的信息,去下载 2t3ik.p 和 2t3ik.m 到当前失陷主机的 /tmp/ 目录。这两个文件是 XMRig 2.5.2 编译的矿机程序,具体区别不明,关键信息都一致:

·钱包地址(新出现):

42d4D8pASAWghyTmUS8a9yZyErA4WB18TJ6Xd2rZt9HBio2aPmAAVpHcPM8yoDEYD9Fy7eRvPJhR7SKFyTaFbSYCNZ2t3ik

·涉及的矿池:

·47.90.204.154

·hk02.supportxmr.com

·pool.supportxmr.com

·xmr-asia1.nanopool.org

·xmr-us-west1.nanopool.org

其中 47.90.204.154:443 是首选矿池地址,但会 Reset 掉网络请求,该主机位于 阿里云 ,猜测是团伙背后的 Miner Report C&C 主机;

·在矿池 supportxmr.com 中的 TotalPaid 为 150.5194868540 XMR ,按当前市价折合人民币 181,311.3 ￥ ;

·在矿池 nanopool.org 中TotalPaid: 1268.5880545439 XMR ,按当前市价折合人民币 1527,519.6￥。

3011 是一个测试或过渡版本

最后值得一提的是,ddgs.i686 是 32bit ELF 文件,而它下载到的 2t3ik.p 和 2t3ik.m 都是 64bit ELF 文件,这样一来,在真实环境中,矿机程序并没有办法运行。而且,版本 3011 只有hxxp://165.225.157.157:8000/static/3011/ddgs.i686 这一个核心样本,不像版本 3010 ,同时存在 ddgs.i686 和 ddgs.x86_64 两个核心样本。所以,可以认为版本 3011 目前处于测试阶段,或者只是一个过渡版本。

IoC

Sample

md5=9ebf7fc39efe7c553989d54965ebb468    uri=hxxp://165.225.157.157:8000/static/imWBR1 

md5=d3b1700a413924743caab1460129396b    uri=hxxp://165.225.157.157:8000/static/wnTKYg 

md5=8eaf1f18c006e6ecacfb1adb0ef7faee    uri=hxxp://165.225.157.157:8000/static/wnTKYg.noaes 

md5=754487fd92e282c98acf6528604049aa    uri=hxxp://165.225.157.157:8000/static/imWBR1.ig 

md5=52f06ca981a6e6cbc89b095ea6db1bf9    uri=hxxp://165.225.157.157:8000/static/2t3ik.s 

md5=b44bce2047f2254e5e7e8b0730caae2e    uri=hxxp://165.225.157.157:8000/static/2t3ik.p 

md5=54259015b8ead37ac66da056769520db    uri=hxxp://165.225.157.157:8000/static/2t3ik.m 

md5=76e8d7bf408b3b6ebd13d6b292519742    uri=hxxp://165.225.157.157:8000/static/2t3ik 

md5=999fc24f53034b4c73866a0699be15fa    uri=hxxp://165.225.157.157:8000/static/3011/ddgs.i686 

md5=8ab02497219bda76c959f86386a2c363    uri=hxxp://165.225.157.157:8000/static/3010/ddgs.i686 

md5=45774309c72839d6d4303024059e7070    uri=hxxp://165.225.157.157:8000/static/3010/ddgs.x86_64 

md5=884a57a0e4f9d222117aeca111095d7a    uri=hxxp://165.225.157.157:8000/i.sh 

Full IP List

Main C2 –> 165.225.157.157:8000 United States/US San Francisco    "AS26464 Joyent, Inc." 

Main C2 –> 165.227.149.151:8000 Germany/DE Frankfurt am Main    "AS14061 DigitalOcean, LLC"

47.93.8.34:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.2.72:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.3.27:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

58.57.65.8:8000 China/CN Jinan    "AS4134 No.31,Jin-rong Street" 

47.52.57.82:8000 Hong Kong/HK    "AS45102 Alibaba (China) Technology Co., Ltd." 

47.89.242.3:8000 United States/US San Mateo    "AS45102 Alibaba (China) Technology Co., Ltd." 

47.93.23.55:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.42.11:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.54.50:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.61.56:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.62.70:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.63.53:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.7.200:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.7.246:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.8.225:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.9.192:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.133.2:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.14.49:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.15.37:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.17.24:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.4.107:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.5.120:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.7.232:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.91.57:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.95.83:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

112.35.27.86:8000 China/CN    "AS9808 Guangdong Mobile Communication Co.Ltd." 

210.61.12.12:8000 Taiwan/TW    "AS3462 Data Communication Business Group" 

47.52.26.128:8000 Hong Kong/HK    "AS45102 Alibaba (China) Technology Co., Ltd." 

47.52.35.111:8000 Hong Kong/HK    "AS45102 Alibaba (China) Technology Co., Ltd." 

47.52.39.221:8000 Hong Kong/HK    "AS45102 Alibaba (China) Technology Co., Ltd." 

47.52.57.128:8000 Hong Kong/HK    "AS45102 Alibaba (China) Technology Co., Ltd." 

47.52.67.132:8000 Hong Kong/HK    "AS45102 Alibaba (China) Technology Co., Ltd." 

47.90.102.90:8000 Hong Kong/HK    "AS45102 Alibaba (China) Technology Co., Ltd." 

47.90.80.240:8000 Hong Kong/HK    "AS45102 Alibaba (China) Technology Co., Ltd." 

47.90.97.191:8000 Hong Kong/HK    "AS45102 Alibaba (China) Technology Co., Ltd." 

47.93.234.19:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.25.138:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.250.72:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.252.99:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.254.18:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.31.209:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.32.158:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.38.172:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.44.244:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.45.159:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.55.228:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.103.17:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.105.66:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.139.76:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.15.142:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.159.88:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.18.187:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.19.102:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.20.232:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.200.65:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.248.75:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.80.224:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.90.242:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

52.73.67.152:8000 United States/US Ashburn    "AS14618 Amazon.com, Inc." 

58.58.34.221:8000 China/CN Jinan    "AS4134 No.31,Jin-rong Street" 

61.91.81.253:8000 Thailand/TH Bangkok    "AS9287 TRUEINTERNET Co.,Ltd." 

110.10.189.61:8000 Republic of Korea/KR Seoul    "AS9318 SK Broadband Co Ltd" 

111.231.1.127:8000 China/CN Beijing    "AS45090 Shenzhen Tencent Computer Systems Company Limited" 

112.126.86.91:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

112.244.20.22:8000 China/CN Jinan    "AS4837 CHINA UNICOM China169 Backbone" 

112.74.184.31:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

114.215.24.92:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

114.215.41.12:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

115.95.135.61:8000 Republic of Korea/KR Seoul    "AS3786 LG DACOM Corporation" 

117.20.30.103:8000 Pakistan/PK Karachi    "AS38193 Transworld Associates (Pvt.) Ltd." 

121.42.10.132:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

122.115.43.72:8000 China/CN Beijing    "AS4808 China Unicom Beijing Province Network" 

123.31.12.137:8000 Vietnam/VN Hanoi    "AS135905 VIETNAM POSTS AND TELECOMMUNICATIONS GROUP" 

14.140.232.55:8000 India/IN Mumbai    "AS4755 TATA Communications formerly VSNL is Leading ISP" 

182.162.73.58:8000 Republic of Korea/KR    "AS3786 LG DACOM Corporation" 

199.233.62.78:8000 United States/US Henderson    "AS54417 Stimulus Technologies" 

47.88.218.199:8000 Singapore/SG    "AS45102 Alibaba (China) Technology Co., Ltd." 

47.88.219.207:8000 Singapore/SG    "AS45102 Alibaba (China) Technology Co., Ltd." 

47.89.190.198:8000 United States/US    "AS45102 Alibaba (China) Technology Co., Ltd." 

47.90.204.154:8000 United States/US San Mateo    "AS45102 Alibaba (China) Technology Co., Ltd." 

47.93.240.226:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.247.153:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.254.136:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.93.254.166:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.102.108:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.103.132:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.105.126:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.109.131:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.111.209:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.128.131:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.128.133:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.130.122:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.141.223:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.145.206:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.146.188:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.156.239:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.194.184:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.200.116:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.219.219:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.227.192:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

47.94.253.142:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

69.25.149.164:8000 United States/US Bellevue    "AS6640 Qwest Communications Company, LLC" 

103.27.239.132:8000 Vietnam/VN Ho Chi Minh City    "AS131386 Long Van System Solution JSC" 

103.27.239.135:8000 Vietnam/VN Ho Chi Minh City    "AS131386 Long Van System Solution JSC" 

103.56.115.153:8000 Hong Kong/HK North Point    "AS55933 Cloudie Limited" 

112.74.193.216:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

112.74.210.161:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

114.215.129.43:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

114.215.65.229:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

121.196.197.63:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

121.40.119.134:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

121.40.166.232:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

121.58.222.138:8000 Philippines/PH Pampanga    "AS17639 Converge ICT Solutions Inc." 

122.115.43.145:8000 China/CN Beijing    "AS4808 China Unicom Beijing Province Network" 

122.14.200.177:8000 China/CN Beijing    "AS23724 IDC, China Telecommunications Corporation" 

123.196.124.52:8000 China/CN Beijing    "AS4847 China Networks Inter-Exchange" 

123.30.240.102:8000 Vietnam/VN Hanoi    "AS45899 VNPT Corp" 

13.113.240.221:8000 Japan/JP Tokyo    "AS16509 Amazon.com, Inc." 

202.45.147.116:8000 Nepal/NP    "AS45353 NITC: IT Agency of Government of Nepal" 

104.197.211.117:8000 United States/US    "AS15169 Google LLC" 

112.125.120.193:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

114.215.104.177:8000 China/CN Hangzhou    "AS37963 Hangzhou Alibaba Advertising Co.,Ltd." 

118.228.152.210:8000 China/CN Beijing    "AS45587 China Broadband Communications (CBCnet)" 

源链接

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