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The WireX botnet took the combined efforts of security researchers and vendors to hobble earlier this year, but the creators of malware used to enslave PCs to the network is back and has increased the WireX arsenal.
In August, researchers from Akamai, CloudFlare, Flashpoint, Google, Oracle Dyn, RiskIQ, Team Cymru, and others
to castrate the WireX botnet, discovered due to targeted attacks against content creators and content delivery networks (CDNs).
The botnet enslaves infected mobile devices and, in the traditional manner of a botnet, uses a command & control (C&C) center to issue commands.The operator is able to force the slave devices to flood web domains and services with illegitimate traffic without owner consent, leading to distributed denial-of-service (DDoS) attacks which can disrupt services and prevent legitimate traffic from reaching its destination. Last month, Google discovered the malware had slipped through the net and was hidden within apps hosted on the Play Store. Several hundred apps were quickly removed, but the botnet had already formed.
A series of small attacks took place, but it was not until August 17 that researchers really took note of WireX. On this day, the botnet launched an attack with at least 70,000 concurrent IP addresses, with devices in over 100 countries compromised.
At the time, researchers believed the malware was at the early stages of development, and it seems this prediction has rung true with new functionality now on the horizon. This week, cybersecurity firm F5 said the firm's security team has discovered a new companion thingbot -- a botnet of compromised mobile and Internet of Things (IoT) devices -- to WireX.
, the researchers said they have found a variant which, in addition to the original HTTP flooding capabilities used for the DDoS attacks in August, now supports UDP flooding, a type of DoS attack which targets random ports on a victim host with IP packets containing User Datagram Protocol (UDP) packets.The team analyzed a bot utilizing the malware which contained 50 threads, each of which is able to send 10 million UDP packets of 512 bytes in size."Just as in a GET flood, the bot browses a specific command and control (C&C) URL (in this case, "u.axclick.store") to get the details of the attack target," F5 explains. "The response includes the target domain and port in the HTML "title" delimeted by the constant "snewxwri" string, similar to the GET flood instruction."When the application launches, the malware opens the default Android browser 10 times, which mimics clickfraud functionality -- and may evolve into just that in future versions of the malware.With most DDoS-based malware, there are usually two commands which are sent at the same time to maintain packet flows. One will link to the C&C server for commands, while the other executes a packet-sending loop. The WireX malware variant does not appear to support this. Instead of asking the C&C server for an attack duration, WireX must constantly request this information.The malware, however, appears better equipped now and is "still evolving," according to the team. The malicious code now includes browser-like functionality and resistance to elements such as cookie support, redirects, and JavaScript."When comparing WireX DDoS functionality and modus operandi to the other Windows and Linux DDoS malware families, it still has quite a way to mature as an effective, full-fledged DDoS bot," the researchers say. "The WireX malware still seems to be in its QA phase, judging by the many slightly different variants in the wild and the limited attack types and functionality it currently provides."Previous and related coverage
The notorious Svpeng malware takes advantage of an Android function designed to help people with disabilities use their phone.Days after the Department of Justice demanded visitor data for an anti-Trump website, the web host company DreamHost has fallen to a distributed denial of service attack. The company is also reported to be hosting a new version of the Nazi site, the Daily Stormer.The alleged mastermind behind attacks on Lloyds and Barclays has been extradited back to the UK.
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wirex借记卡
...合了起来。
　　在被重塑的WireX ，所有E-Coin的功能，它所提供的比特币借记卡，也被整合了进来。
　　WireX将提供3种主要服务：通过WireX的应用程序提供方便的手机银行服务，即时汇款服务，升级后的双向借记卡，它允许比特币与传统货币之间按需转换。该服务将提供给世界各地的客户，超过130...
...推出了一张Visa品牌卡，该卡可以支持消费者在线添加比特币，并可以像普通借记卡一样在商店购买商品或从ATM机中取款。为什么BitPay这个数字货币领域的革命家还要与Visa合作呢?事实证明，BitPay需要Visa的帮助，因为大多数商家仍然喜欢使用Visa来进行数字货币的交易。
　　BitPay高级销售工程师Corey Gla...
...么我们将进入一个由机器人来进行商品销售和购买的新的经济体。
　　Wirex公司的副总裁Alena Korotaeva在该会议上演讲的主题是数字货币安全的监管问题。她将俄罗斯和日本的相关监管法规和投资方法进行了比较。在这两个国家中，比特币都是可以合法化交易的。
　　Alena通过对统计数据的分析，...
...果商家接受的话它可以在世界上任何地方使用。但是，现在我们有了比特币借记卡。比特币借记卡除了连接到比特币钱包之外，其他方面和银行发行的借记卡相似。
　　大多数比特币借记卡连接到著名电子提供商，如维萨(Visa)和万事达卡(MasterCard)。这些借记卡能在属于该网络的任何销售终端工作。...
　　中国首张数字货币借记卡(元宝借记卡)隆重推出
　　智慧与品格的凝聚，尊崇与身份的象征
　　有史以来第一次，中国用户可以用比特币和元宝币在包括中国在内的全球150个国家和地区，2600万台POS机和ATM终端上进行消费或者提现。
　　元宝借记卡是元宝网与香港ANX交易所联合推出...
　　在欧洲的一家加密货币交易所CCEDK宣布推出万事达比特币借记卡，符合该地区的金融监管机构的要求。
　　丹麦交易所CCEDK认为，万事达比特币借记卡NanoCard将能够从许多加密货币交流所的ATM机取款，而且可用万事达卡的商户遍布全世界。
　　在过去，早就有了其他的比特币借记卡，但C...
　　近日，Xapo公司因推出的Xapo借记卡前后费用差异，引起了比特币社区订购该卡用户及比特币社区的不满，Xapo在官方网站博客对该问题进行了更新回复。
　　Xapo对为此为用户造成的困惑表示了歉意，称公司并不是有意误导用户参与Xapo借记卡项目。
　　Xapo对发货后显示的收费明细进行了详细...
...就要想一个计划来克服这个问题(如何使用比特币完成交易)。方法：比特币借记卡?不过这样的想法在还没开始之前就被毙掉了。
　　Xapo是一家比特币钱包公司，受高科技账户安保系统保护，最近宣布要推出比特币借记卡。这种银行卡将帮助完成零售终端交易以及ATM机提现业务。该借记卡直接和你的X...
　　Bitwage 宣布与Xapo 合作发行全球第一张国际比特币工资借记卡，这是将比特币应用于上班人群及日常生活中所迈出的一大步。
　　去年，Xapo筹集到了两千万美元的资金，用于进一步简化繁琐的比特币安全机制，这个问题一直是技术行业未解决的难题。
　　我们之所以发行比特币借记卡...
　　银行卡能直接去消费，是因为里面有钱。而现在的比特币也有借记卡了，只要有比特币借记卡，以后看到ACCEPTED HERE就可以直接刷卡了。
　　比特币钱包公司Xapo终于推出了比特币借记卡，消费者可以直接从他们的比特币钱包支付和提款。4月24日，Xapo就宣布要推出借记卡。
　　但产品一直受...
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