TLDR InfoSec

TLDR INFORMATION SECURITY 2025-03-19

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01GENERAL

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threatspike.comSponsor

02ATTACKS & VULNERABILITIES

NEW RAT MALWARE USED FOR CRYPTO THEFT, RECONNAISSANCE

Microsoft Incident Response researchers report on a new RAT, StilachiRAT. This RAT can steal crypto wallet data, clipboard credentials, and Google Chrome local state files. It also features enhanced persistence, anti-forensics, and C2 command execution capabilities.

bleepingcomputer.com3 min read

SOUTH KOREAN ORGANIZATIONS TARGETED BY COBALT STRIKE ‘CAT' DELIVERED BY A RUST BEACON

Researchers found server hosting tools for cyber attacks on South Korean entities, notably using Cobalt Strike Cat. The attacker targeted government and commercial organizations with open-source tools like SQLMap and Web-SurvivalScan. The malware campaign utilized Rust-compiled loaders and a modified Cobalt Strike for post-exploitation.

hunt.io6 min read

03STRATEGIES & TACTICS

THREAT MODELING THE TRAIL OF BITS WAY

Trail of Bits' TRAIL (Threat and Risk Analysis Informed Lifecycle) is a threat modeling process that merges aspects of Mozilla's Rapid Risk Assessment, NIST SP 800-154, and NIST SP 800-53 to identify design-level security flaws. TRAIL constructs a model of system components and trust boundaries, documents threat scenarios of potential adversary exploitations, and generates actionable findings with short- and long-term mitigation recommendations. It addresses root causes at the architecture level, allowing clients to adapt their threat models as systems evolve and offering vital security insights throughout the software development lifecycle.

blog.trailofbits.com7 min read

SAML ROULETTE: THE HACKER ALWAYS WINS

This blog explores how to exploit GitLab Enterprise through ruby-saml vulnerabilities using round-trip attacks and namespace confusion for unauthorized admin access. The technical details are provided for security education and understanding these attack vectors.

portswigger.net8 min read

DEFEATING STRING OBFUSCATION IN OBFUSCATED NODEJS MALWARE USING AST

This article describes how to defeat string obfuscation in Node.js malware through Abstract Syntax Tree (AST) parsing, focusing on the Nebula Stealer sample. It outlines a method using the Babel library to safely analyze, extract, and execute obfuscated code in a VM context while replacing obfuscated strings with their decoded values. The author includes code snippets for renaming variables, extracting code segments, executing parts of the code to reveal hidden strings, and enhancing readability.

links.tldrnewsletter.com14 min read

04LAUNCHES & TOOLS

Sponsored

AI SOC ANALYSTS: WHAT YOU NEED TO KNOW

Businesses are cautiously optimistic about AI agents for SOC triage and investigation. This buyer's guide will help you understand what to look for in an AI SOC analyst [11], from a business and technical perspective. It also includes an RFP template that you can use as a

content.dropzone.aiSponsor

GITHUB ACTIONS LOG CHECKER

In the wake of the tj-actions and reviewdog supply chain attacks, this action scans GitHub Actions logs for exposed secrets and credentials.

github.comGitHub repository

AI HTTP ANALYZER (BURP APP)

AI HTTP Analyzer is a Burp App that provides an advanced security analysis assistant integrated into Burp Suite.

portswigger.net

DOJO-101

Dojo-101 is a project for capturing experience and knowledge in cybersecurity.

github.comGitHub repository

05MISCELLANEOUS

UK ONLINE SAFETY LAW MUSK HATES KICKS IN TODAY, AND SO FAR, TRUMP CAN'T STOP IT

The UK's Online Safety Act enforcement began, requiring tech platforms to remove dangerous content or face fines up to 10% of global turnover. Elon Musk hopes Trump will intervene to weaken the law, but UK officials insist it will remain intact and may even expand, particularly to combat AI-generated CSAM.

arstechnica.com5 min read