New ceoAnyone Bug Identified in Multiple Crypto Game Smart Contracts (CVE-2018-11329)

Our vulnerability-scanning system at PeckShield has so far discovered several dangerous smart contract vulnerabilities batchOverflow1, proxyOverflow2, transferFlaw3, ownerAnyone4, multiOverflow5, burnOverflow6. These vulnerabilities typically affect various tokens that may be publicly traded in...

Aurora IDEX Membership(IDXM), ERC20 Token, allows attackers to acquire contract ownership (CVE-2018–10666)

Abstract I found a new vulnerability in smart contract of IDXM Token CVE-2018–106661. Attackers can acquire contract ownership because the setOwner function is delcared as public. A new owner can subsequently bypass intended access restrictions by, for example, calling uploadBalances. Details In...

Ransomware and malicious crypto miners in 2016-2018

Ransomware is not an unfamiliar threat. For the last few years it has been affecting the world of cybersecurity, infecting and blocking access to various devices or files and requiring users to pay a ransom usually in Bitcoins or another widely used e-currency, if they want to regain access to...

CVE-2018-12703

The approveAndCallcode function of a smart contract implementation for Block 18 18T, an tradable Ethereum ERC20 token, allows attackers to steal assets e.g., transfer the contract's balances into their account because the callcode i.e., spender.callextraData is not verified, aka the "evilReflex"...

TRON Cryptocurrency Founder Buys BitTorrent, µTorrent for $140 Million

BitTorrent, the company which owns the popular file-sharing client uTorrent, has quietly been sold for $140 million in cash to Justin Sun, the founder of blockchain-focused startup TRON. TRON is a decentralized entertainment and content-sharing platform that uses blockchain and distributed storag...

Don’t Be a Coinmining Zombie – Part 1: Getting Cryptojacked

When your computer or mobile device and now, even your IoT device is hijacked to secretly mine cryptocurrencies, it’s been cryptojacked and becomes a coinmining zombie. Its CPU, memory, disk, and power are enlisted in varying degrees in the service of the mining botnet, which labors on behalf of...

The block chain smart contracts vulnerability, wanted to say your not easy-bug warning-the black bar safety net

In recent days, the block chain platform EOS smart contract vulnerability event once again put on the block chain safe to push on the cusp. An attacker can release contains malicious code“smart contract”, after a series of after the operation, the control block chain, all nodes in the network, an...

Cryptocurrency Mining: Abuse of system resources

Recent advances including digital currencies and the associated public transaction record blockchain have paved the way for an array of new financial activities. Cryptocurrencies like Bitcoin are beginning to be accepted as payment by major retailers, creating more concrete use cases and...

Critical RCE Flaw Discovered in Blockchain-Based EOS Smart Contract System

Security researchers have discovered a series of new vulnerabilities in EOS blockchain platform, one of which could allow remote hackers to take complete control over the node servers running the critical blockchain-based applications. EOS is an open source smart contract platform, known as...

Critical RCE Flaw Discovered in Blockchain-Based EOS Smart Contract System

Security researchers have discovered a series of new vulnerabilities in EOS blockchain platform, one of which could allow remote hackers to take complete control over the node servers running the critical blockchain-based applications. EOS is an open source smart contract platform, known as...

Ether Cartel Unauthorized Operation Vulnerability

Ether Cartel is a blockchain-based pharmaceutical simulation game. A security vulnerability exists in the 'DrugDealer' function of the smart contract implementation in Ether Cartel. An attacker could use the vulnerability to take control of the contract's ownership and potentially manipulate...

This Week in Security News: Hackers and Cyber Attackers

Welcome to our weekly roundup, where we share what you need to know about the cybersecurity news and events that happened over the past few days. This week, Chili’s parent company – Brinker International – announced that consumer credit and debit card information had been compromised at some...

Threat Outbreak Alert RuleID32774: Email Messages Distributing Malicious Software on May 14, 2018

Medium Alert ID: 57891 First Published: 2018 May 14 13:39 GMT Version: 1 Summary Cisco Security has detected significant activity related to spam email messages distributing malicious software. Email messages that are related to this threat RuleID32774 may contain the following files: Name | Size...

How cryptocurrency is shaping today’s threat environment

Cryptocurrency has exploded as a popular way to support digital transactions. Since its creation, users have discovered an array of different ways to leverage cryptocurrency, including within mining strategies and digital wallets. Expanded use cases and interest helped propel the value of digital...

New proxyOverflow Bug in Multiple ERC20 Smart Contracts (CVE-2018-10376)

On 4/24/2018, 01:17:50 p.m. UTC, PeckShield again detected an unusual MESH token transaction shown in Figure 1. In this particular transaction, someone transferred a large amount of MESH token — 0x8fff,ffff,ffff,ffff,ffff,ffff,ffff,ffff,ffff,ffff,ffff,ffff,ffff,ffff,ffff,ffff 63 f’s to herself...

How the Rise of Cryptocurrencies Is Shaping the Cyber Crime Landscape: Blockchain Infrastructure Use

UPDATE May 31, 2018: A section of the post on commonly used OpenNIC IPs has been removed to avoid any implication that the OpenNIC IPs are inherently malicious, which is not the case. Introduction Cyber criminals have always been attracted to cryptocurrencies because it provides a certain level o...

Coin Mining Malware and What Akamai Can do About It

It has been a busy few months for crypto-mining! The advent of cryptocurrency1 has resulted in a rollercoaster ride of interest in the last 18 months, with millions of people making and losing millions in physical currency. Through all of this, cryptocurrency has been a heavy target for...

5 Crypto Crime Concerns: Your Top Cryptocurrency Mining Questions Answered

By the end of 2017, cryptojacking, or the secret use of computing resources for mining cryptocurrency, had already gained noticeable momentum. It’s a smart strategy if you’re a cyber criminal. Why try and ransom someone’s system and wait for them to pay you when you can essentially print money?...

Google Bans Cryptocurrency Mining Extensions From Chrome Web Store

In an effort to prevent cryptojacking by extensions that maliciously mine digital currencies without users' awareness, Google has implemented a new Web Store policy that bans any Chrome extension submitted to the Web Store that mines cryptocurrency. Over the past few months, we have seen a sudden...

MailChimp Bans ICO & Blockchain Marketing- Fundraisers Devastated

By Waqas Well-known email distribution platform MailChimp announced a change in its This is a post from HackRead.com Read the original post: MailChimp Bans ICO & Blockchain Marketing- Fundraisers Devastated...