Pay Up, Or We’ll Make Google Ban Your Ads

A new email-based extortion scheme apparently is making the rounds, targeting Web site owners serving banner ads through Google's AdSense program. In this scam, the fraudsters demand bitcoin in exchange for a promise not to flood the publisher's ads with so much bot and junk traffic that Google's...

The 'Robo Revenge' App Makes It Easy to Sue Robocallers

Mac malware, a Bitcoin mixer, and more of the week's top security news...

Ashley Madison Breach Extortion Scam Targets Hundreds

Nearly five years after the high-profile Ashley Madison data breach, hundreds of impacted website users are being targeted by a new extortion attack this past week. The 2015 data breach of the adultery website led to 32 million accounts being publicly dumped online, including victims’ names,...

As Necurs Botnet Falls from Grace, Emotet Rises

A mid-January spam campaign by criminals behind the popular Necurs botnet shows a dramatic drop in skill and savvy by perpetrators. In a shift from sending sophisticated messages with lethal payloads, Necurs botnets are now peddling get-rich-quick spam messages in what researchers are calling...

Scallion - GPU-based Onion Addresses Hash Generator

Scallion lets you create vanity GPG keys and .onion addresses for Tor's hidden services using OpenCL. Scallion runs on Mono tested in Arch Linux and .NET 3.5+ tested on Windows 7 and Server 2008. Scallion is currently in beta stage and under active development. Nevertheless, we feel that it is...

Satan Ransomware Reborn to Torment Businesses

A ransomware with the un-snappy moniker of “5ss5c” has emerged on the scene and appears to be in active development. According to independent researcher Bart Blaze, the malware is the successor to the Satan ransomware, and its authors are still experimenting with focused targeting China, for now...

Oski Data-Stealing Malware Emerges to Target North America, China

An emergent and effective data-harvesting tool dubbed Oski is proliferating in North America and China, stealing online account credentials, credit-card numbers, cryptowallet accounts and more. Oski, likely a Finnish or Nordic variant of the word Oska, meaning “Viking warrior or god” in Samoan,...

Threat Roundup for January 3 to January 10

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Jan. 3 and Jan. 10. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics,...

British Hacker Accused of Blackmailing healthcare Firms Extradited to U.S.

A British man suspected to be a member of 'The Dark Overlord ,' an infamous international hacking group, has finally been extradited to the United States after being held for over two years in the United Kingdom. Nathan Francis Wyatt , 39, appeared in federal court in St. Louis, Missouri, on...

This Alleged Bitcoin Scam Looked a Lot Like a Pyramid Scheme

Five men face federal charges of bilking investors of $722 million by inviting them to buy shares in bitcoin mining pools...

Validation Bypass

Overview Versions of slp-validate prior to 1.0.1 are vulnerable to a validation bypass. Bitcoin scripts may cause the validation result from slp-validate to differ from the specified SLP consensus. This allows an attacker to create a Bitcoin script that causes a hard-fork from the SLP consensus...

McDonalds-Themed Facebook Ads Serve Up Banking Trojans

The Mispadu banking trojan is using a McDonalds malvertising tactic to ultimately steal payment-card data and online banking information. Written in Delphi, Mispadu targets Brazil and Mexico, uses pop-up windows and contains backdoor functionality. According to researchers at ESET, Mispadu spread...

slpjs input validation error vulnerability

slpjs is a JavaScript library for validating and building the Simple Ledger Protocol SLP. An input validation error vulnerability exists in versions of slpjs prior to 0.21.4, which can be exploited by attackers to create specially crafted bitcoin scripts...

Authorization Bypass

slpjs is vulnerable to authorization bypass. An attacker is able to create a malicious Bitcoin script to cause a hard-fork from the SLP concensus due to difference between the specified SLP concensus and the validation result of the slpjs npm package which causes a discrepancy in the simple ledge...

CVE-2019-16761

A specially crafted Bitcoin script can cause a discrepancy between the specified SLP consensus rules and the validation result of the [email protected] npm package. An attacker could create a specially crafted Bitcoin script in order to cause a hard-fork from the SLP consensus. All versions 1.0....

CVE-2019-16762

A specially crafted Bitcoin script can cause a discrepancy between the specified SLP consensus rules and the validation result of the slpjs npm package. An attacker could create a specially crafted Bitcoin script in order to cause a hard-fork from the SLP consensus. Affected users can upgrade to...

CVE-2019-16762

A specially crafted Bitcoin script can cause a discrepancy between the specified SLP consensus rules and the validation result of the slpjs npm package. An attacker could create a specially crafted Bitcoin script in order to cause a hard-fork from the SLP consensus. Affected users can upgrade to...

CVE-2019-16761

A specially crafted Bitcoin script can cause a discrepancy between the specified SLP consensus rules and the validation result of the [email protected] npm package. An attacker could create a specially crafted Bitcoin script in order to cause a hard-fork from the SLP consensus. All versions 1.0....

Design/Logic Flaw

A specially crafted Bitcoin script can cause a discrepancy between the specified SLP consensus rules and the validation result of the slpjs npm package. An attacker could create a specially crafted Bitcoin script in order to cause a hard-fork from the SLP consensus. Affected users can upgrade to...

Design/Logic Flaw

A specially crafted Bitcoin script can cause a discrepancy between the specified SLP consensus rules and the validation result of the email protected npm package. An attacker could create a specially crafted Bitcoin script in order to cause a hard-fork from the SLP consensus. All versions 1.0.0...