JS-sniffer

Pierluigi Paganini April 16, 2021
Lazarus BTC Changer. Back in action with JS sniffers redesigned to steal crypto

Group-IB observed the North Korea-linked Lazarus APT group stealing cryptocurrency using a never-before-seen tool. In the last five years, JavaScript sniffers have grown into one of the most dangerous threats for e-commerce businesses. The simple nature of such attacks combined with the use of malicious JavaScript code for intercepting payment data attract more and more […]

Pierluigi Paganini August 27, 2020
Group with numerous faces: chronicle of UltraRank’s deceptive JS-sniffer campaigns

Group-IB security researchers provide evidence linking three campaigns with the use of various JS-sniffer families. Singapore – Group-IB, a global threat hunting and intelligence company headquartered in Singapore, today released its analytical report “UltraRank: the unexpected twist of a JS-sniffer triple threat.” In its report, Group-IB Threat Intelligence experts provide evidence linking three campaigns with the use of various JavaScript-sniffer families […]