Attacker Holds MongoDB Databases for Ransom
A cyber-attacker going by the name Harak1r1 has been using ransomware to hijack unprotected MongoDB databases, locking down and replacing content before asking for Bitcoin to return the data, a...
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FLARE Script Series: Querying Dynamic State using the FireEye...
Introduction This post continues the FireEye Labs Advanced Reverse Engineering (FLARE) script series. Here, we introduce flare-qdb, a command-line utility and python module based on vivisect for...
View ArticlePinpoint 1.6.0 发布，分布式跟踪系统
Pinpoint 1.6.0 发布了。主要更新如下: 插件： Added Hystrix support - #1594 , #2101 (Contributed by jiaqifeng) Added ActiveMQ support - #1709 Added Apache cxf client support - #1994 (Contributed by barneykim) Added...
View Article取消scidb占用8080端口 scidb 8080端口 取消scidb占用 数据库
scidb占用8080是由于shim的安装使用了默认配置，更改即可 打开/var/lib/shim/conf ，变更为你的选择即可，如下为例： auth=login ports=1234,1235s scidbport=1239 tmp=/tmp/ user=root然后重启shim即可：/etc/init.d/shimsvc restart If an option is missing from...
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Hadoop开发过程中所遇到的那些坑
核心内容： 1、Hadoop开发过程中常见问题即解决方案 在Hadoop开发的过程中，我们总是遇到各种各样的问题，今天就整理总结一下： 万能的解决方案：6个检查+具体日志 在Hadoop开发的过程中如果遇到各种异常，首先使用jps命令查看节点的启动是否正常，然后在去查看相关的日志文件，但是在查看相关日志之前，你可以先检查一下面几点：...
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Apache Bigtop再论
快一年没写博客了，终于回来了，最近因公司业务需要，要基于cdh发行版打包自定义patch的rpm，于是又搞起了bigtop，就是那个hadoop编译打包rpm和deb的工具，由于国内基本没有相关的资料和文档，所以觉得有必要把阅读bigtop源码和修改的思路分享一下。...
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2017 Predictions for the Big Data Market
Throughout the year, we’ve weighed in on key big data trends and what’s happening in the market. But we’re hoping 2017 will become the best big data year yet. What’s in store for us? We persuaded three...
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Hacker wiping unprotected MongoDB installs and holding data for ransom
How many years have we been hearing about the dangers of leaving MongoDB instances unprotected? In December 2015, Shodan creator John Matherly warned that there were 684.8 TB of data exposed due to...
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MongoDB Data Being Held For Ransom
If you're using MongoDB, you might want to check to make sure you have it configured properly -- or better yet, that you're running the latest and greatest -- to avoid finding it wiped and your data...
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为什么要选择使用 Redis？
之前空非易博客谈过Redis 的诞生，世界上有无数种数据库，我们为什么要选择使用 Redis 呢？它有什么好处和优点？本文将讨论这个话题。 独特的键值对模型 很多数据库只能处理一种数据结构： SQL 数据库 ―― 表格 Memcached ―― 键值对，键和值都是字符串 文档数据库（CouchDB、MongoDB）―― 由 JSON/BSON 组成的文档...
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MongoDB 3.4: Sharding Improvements
In this blog post, we will discuss some of the Sharding improvements in the recent MongoDB 3.4 GA release . Sharding? Let’s go over what MongoDB Sharding “is” at a simplified, high level. The concept...
View ArticleOver 1,800 MongoDB Databases Held For Ransom By Mysterious Attacker
An anonymous reader writes: "An attacker going by the name of Harak1r1 is hijacking unprotected MongoDB databases, stealing and replacing their content, and asking for a 0.2 Bitcoin ($200) ransom to...
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open edx近期笔记(2017.01)
OpenedX安全相关 本周(2017.1.5)在 Open edX开发研究 群里有2家公司/1所高校的系统被攻击(这是已知的，不清楚是否有更多案例),涉及的open edx版本包括D版和E版，造成mongo数据库被删(edxapp和cs_comments_service_development)，群里一番讨论下来，原因主要是以下两点: 开发者未修改ansible脚本的mongo密码...
View Article使用Redis进行消息传递
本指南将指导您完成使用Spring Data Redis发布和订阅(通过Redis发送)的消息的过程。 What you’ll build 你将构建一个使用 StringRedisTemplate 来发布一个字符串消息的应用程序，并且有一个 POJO 使用 MessageListenerAdapter 来订阅。 ** 使用Spring Data...
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Cassandra Counter Column And Table
CASSANDRA COUNTER COLUMN AND ITS VARIOUS OPERATIONS A counter is a special column used to store an integer that is changed in increments. Counters are useful for many data models. Some examples: 1) To...
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Hasbolt: The New Haskell Neo4j Bolt Driver
ByPavel Yakovlev, Director of Computational Biology, BIOCAD | January 5, 2017 [As community content, this post reflects the views and opinions of the particular author and does not necessarily reflect...
View Articlemongodb未授权访问漏洞
catalogue 1. mongodb安装2. 未授权访问漏洞3. 漏洞修复及加固4. 自动化检测点 1. mongodb安装 apt-get install mongodb 0x1: 创建数据库目录 MongoDB的数据存储在data目录的db目录下，但是这个目录在安装过程不会自动创建，所以你需要手动创建data目录，并在data目录中创建db目录。/data/db 是 MongoDB...
View ArticleCassandra: The Definitive Guide, 2nd Edition Book Review and Interview
Key takeaways Learn about Cassandra NoSQL database version 3.0 features and capabilities How to install and configure Cassandra database including the cluster management Data modeling (conceptual,...
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Interview Basho CEO takes aim at IoT and edge computing
Adam Wray, Basho As more and more enterprise buyers continue to invest in scalable Internet-based applications, the need for NoSQL databases, which cater to complex data models and web-based...
View ArticleSpring Boot 揭秘与实战（二） 数据缓存篇 - Redis Cache
本文，讲解 Spring Boot 如何集成 Redis Cache，实现缓存。 在阅读「 Spring Boot 揭秘与实战（二） 数据缓存篇 - 快速入门 」后，对 Spring Boot 集成缓存机制有一定了解后，我们来了解下 Redis Cache 的使用。 Redis Cache 集成 Redis Cache 有非常丰富的使用场景，如果有兴趣的话，可以阅读这篇文章「 Redis实战（五）...
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