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Daily Edition · Page 5

THE DAILY INDEX

Technology, AI, software, security, crypto and business

ATTACKS & VULNERABILITIES

TLDR InfoSec

TLDR InfoSec

DONOT TEAM LINKED TO NEW TANZEEM ANDROID MALWARE TARGETING INTELLIGENCE COLLECTION

A hacking group called DoNot Team has been linked to a new Android malware named Tanzeem that targets specific individuals for intelligence collection. The malware masquerades as a chat app but actually collects sensitive data and establishes connections to a command-and-control server. Cyfirma notes that the group uses push notifications to deploy additional malware and ensure persistence on targeted devices for ongoing intelligence gathering.

links.tldrnewsletter.com · 2 min

TLDR InfoSec

AI-SUPPORTED SPEAR PHISHING FOOLS MORE THAN 50% OF TARGETS

A group of researchers tested spear-phishing emails that were created by AI agents based on Claude 3.5 Sonnet and GPT-4o which crawled the Internet for information on the targets. The researchers achieved a click-through rate (CTR) of 54% with the AI agents compared to 12% in the control group. Human-crafted spear-phishing emails also achieved a 54% CTR but at 30x the cost of the AI-generated ones, whereas emails crafted with AI and human input achieved a CTR of 56% with 4x the cost.

malwarebytes.com · 3 min

TLDR InfoSec

INVESTIGATING AN "EVIL" RJ45 DONGLE

Michał Zalewski reverse-engineered a suspicious RJ45 dongle from China and revealed it was not malicious, but rather a device using a software-defined CD-ROM feature to install drivers. The device contained a chip that emulated a CD-ROM to simplify driver installation, dispelling concerns of potential malware. The investigation highlighted the importance of research and patience in understanding complex hardware systems.

lcamtuf.substack.com · 5 min

TLDR InfoSec

VENOMOUS BEAR APT ADVERSARY SIMULATION

This blog discusses a simulation of an attack by the Venomous Bear APT group that targeted countries like the USA and Germany from at least 2020. The attackers used a fake Microsoft Windows Time service to install a backdoor that allowed them to exfiltrate files and communicate with a command and control server. The simulation includes stages for installing the backdoor using a .bat file, developing the backdoor DLL, and creating a listener script for receiving commands from the backdoor.

links.tldrnewsletter.com · 3 min

TLDR IndexPage 5