TLDR InfoSec

TLDR INFORMATION SECURITY 2023-12-01

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01ATTACKS & VULNERABILITIES

EMERGENCY IOS PATCH MARKS 20 ZERO-DAYS IN 2023

Apple has released an emergency patch to fix two new actively exploited zero-day vulnerabilities in the WebKit browser engine. The vulnerabilities allow attackers to gain sensitive information via an out-of-bounds read weakness and code execution via a memory corruption bug. These two vulnerabilities mark 20 zero-days reported in iOS during 2023.

bleepingcomputer.com2 min read

02STRATEGIES & TACTICS

TRAP; RESET; POISON; - TAKING OVER A COUNTRY KAMINSKY STYLE

This post covers the research of an exotic DNS Cache Poisoning vulnerability that could have manipulated DNS name resolution for an entire country. The exploitation of this issue would have allowed threat actors to cause serious harm. This is an in-depth look at all the technical intricacies of the attack and how to TRAP, RESET, and POISON a DNS resolver.

sec-consult.com7 min read

ETW INTERNALS FOR SECURITY RESEARCH AND FORENSICS

This post discusses the importance of Event Tracing for Windows (ETW) in endpoint detection and response solutions. It explores the internal workings of ETW and provides techniques to tamper with or bypass ETW-based EDRs, hook system calls, or gain access to ETW providers normally reserved for anti-malware solutions. The post also explains how to identify which processes are consuming ETW events.

blog.trailofbits.com11 min read

03LAUNCHES & TOOLS

PIIANO FLOWS (PRODUCT LAUNCH)

Piiano Flows finds potential data leaks inside source code and ensures that sensitive information, such as Personally Identifiable Information (PII), credentials, and financial information, are protected before faulty code reaches production

piiano.com

AWESOME GPT AGENTS FOR CYBERSECURITY

A community-driven attempt at creating a definitive list of GPT agents for use in both offensive and defensive cybersecurity. The project doesn’t currently include any filtering, categories, or other sorting.

github.comGitHub repository

ACTIVE DIRECTORY CANARIES

Active Directory Canaries is a detection primitive for AD enumeration techniques using the Directory Service Object Access: Failure audit event. This repository contains Powershell scripts that deploy the canaries.

github.comGitHub repository

04MISCELLANEOUS

FASTLY ANNOUNCES PLAN TO STOP DOMAIN FRONTING

Domain fronting is a technique for bypassing internet censorship by placing a different/forbidden host in an HTTP Host header rather than in the TLS SNI and DNS query. This technique is also commonly used by malware groups to bypass firewalls. Fastly now joins other CDNs like AWS, Cloudflare, and Microsoft in blocking domain fronting.

github.com2 min read

MAJORITY OF US SITES ARE UNPROTECTED AGAINST SIMPLE BOTS

DataDome SAS tested over 9,500 of the largest US-based websites to see how they performed against nine different bot attacks. 68% of sites were unprotected against simple bot attacks while only 10% blocked all nine different attacks. E-commerce sites proved to be the most susceptible to bot attacks and gambling sites proved to be the least.

siliconangle.com2 min read

HACKERS BREACH US WATER FACILITY VIA EXPOSED UNITRONICS PLCS

Hackers have breached a US water facility by hacking into Unitronics Programmable Logic Controllers (PLCs) exposed online. CISA is warning that this could lead to severe repercussions, such as water supply contamination through manipulating the device to alter chemical dosing, service disruption leading to a halt in water supply, and physical damage to the infrastructure.

bleepingcomputer.com2 min read