A collection of 21 posts
作者：月落前言勒索软件多伪装成一些系统功能组件，或一些特殊功能的APP（如色情、游戏外挂、正规应用破解版等），诱骗用户进行安装，在索要系统的一些权限之后，锁定用户的设备，并进行敲诈。多数勒索软件由于自身的设计或bug，以及高版本安卓系统上API的限制，即便用户交了赎金也无法成功解锁，这将直接导致数据的丢失，个人信息的泄露，甚至信用卡被盗刷，对用户造成了极大的损失。调查通过一系列的样本研究与受害者反馈，得知勒索软件通常有两种类型：锁屏类文件加密类索要赎金的形式包括但不限于：支付宝/微信转账、比特币交易、索要信用卡信息。 ...
由于Android生态系统对用户更加开放，因此你可以从许多来源下载和安装任何应用程序，而不仅仅是谷歌应用商店。但是，App开发人员和恶意软件作者也获得了同样的便利。安全问题始终是Android用户关心的一个重要话题，特别是对于中国用户。出于这个原因，市场上有很多针对Android发布的安全应用程序。在本系列中，我们将通过测试分析一些知名的安全移动应用程序，让非技术用户来了解它们真正的性能表现。让我们先从Play商店中一个非常受欢迎的应用程序开始：来自Lionmobi的Power Clean - Antivirus＆Phone Cleaner App。在谷歌应用商店，你可以看到几款来自Lionmobi公司的安全和工具类应用，我们测试分析了其中所有和安全相关的应用。但是在这篇文章中我们重点关注Power ...
An Anti-Virus mobile App can have fancy UI and claimed to have a lot of protections to your phone. However, non-tech users wouldn't know whether it is true or not. Let's have some reviews on some popular mobile security Apps. ...
On May 3, 26.7 million TRX was taken away by an attacker “wojak” (discord name, address: THeRTTCvN4SHEVYNqcLVLNGGVsWLR4smyH). These TRX tokens worth around 700K ...
In previous section:Understand EVM bytecode – Part 1Understand EVM bytecode – Part 2Understand EVM bytecode – Part 3We have talked about how different Solidity data types ...
In previous sections:Understand EVM bytecode – Part 1Understand EVM bytecode – Part 2We have talked about creation and runtime parts of the EVM bytecode. We ...
In the first section,Understand EVM bytecode – Part 1We have inspected the contract creation part of the EVM bytecode of the smart contract. In ...
If you have started reading this article, I guess you already know what EVM stands for. So I wouldn’t spend too much time ...
Trustlook Labs has identified a malicious app which is most likely using social engineering attacks to trick users to install it. The app (MD5: ...
Are you worried Android apps are secretly recording what you say or what you do? A new study from computer science researchers at Northeastern ...
Trustlook Labs has discovered a Trojan which obfuscates its configuration file and part of its modules. The purpose of the content/file obfuscation is ...
Tencent Security Labs recently reported a vulnerability that exists across some common apps. The report can be found at http://www.cnvd.org.cn/ ...