TLDR InfoSec

TLDR INFORMATION SECURITY 2023-09-01

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01ATTACKS & VULNERABILITIES

JAPAN’S CYBERSECURITY AGENCY ADMITS IT WAS HACKED FOR MONTHS

Japan's National Center of Incident Readiness and Strategy for Cybersecurity (NISC) has confirmed that it was hacked for as long as nine months. The Chinese military is suspected to be behind the breach, which was discovered in June 2023. Email conversations were exposed to unauthorized parties, and there were also "suspicious phone calls and emails" from people posing as employees of Japan's NISC.

bitdefender.com2 min read

500K IMPACTED BY DATA BREACH AT FASHION RETAILER FOREVER 21

Fashion retailer Forever 21 has started informing more than 500,000 individuals that their personal information was compromised in a data breach earlier this year. There are suggestions that Forever 21 engaged in communication with the attackers and that a ransom might have been paid.

securityweek.com2 min read

02STRATEGIES & TACTICS

AND DATA THEFT

An open-source .NET-based information stealer malware dubbed SapphireStealer is being used by multiple entities to enhance their capabilities and spawn their own bespoke variants. This blog post dives into how this malware operates, which organizations seem to be using it to steal data, and the different variants that have been brought to light.

blog.talosintelligence.com15 min read

ISOLATION FRAMEWORK

The blog post covers the basics of Windows containers, breaks down its file system isolation framework, reverse-engineers its main mini-filter driver, and details how it can be utilized and manipulated by a bad actor to bypass EDR products in multiple domains.

deepinstinct.com10 min read

USING LLMS TO REVERSE JAVASCRIPT VARIABLE MINIFICATION

A blog post introducing a technique to reverse minified JS using LLMs while keeping the semantics intact. The technique involves utilizing webcrack, plugins that reverse lossless minification, and then having an LLM generate a name for the variable based on its function in the code.

thejunkland.com3 min read

03LAUNCHES & TOOLS

AUTOMATE GOVERNANCE OF SOFTWARE DEVELOPMENT

Fianu Labs raises $2 million in seed funding to bring governance to every software release. It does this by maintaining a continuous audit trail of every code change from creation to release.

finance.yahoo.com2 min read

X64DBG

An open-source user mode debugger for Windows. Optimized for reverse engineering and malware analysis.

github.comGitHub repository

TFSEC

tfsec is a static analysis tool for Terraform code. tfsec identifies and provides possible fixes for misconfigurations in Terraform code. It is highly configurable and can be integrated into CI/CD pipelines.

github.comGitHub repository

04MISCELLANEOUS

HOW THE FBI NUKED QAKBOT MALWARE FROM INFECTED WINDOWS PCS

This article goes in-depth about how the FBI nuked Qakbot malware from infected Windows PCs. The FBI dismantled the Qakbot botnet by seizing the attacker's server infrastructure and creating a special removal tool that uninstalled the Qakbot malware from infected devices. Qakbot was distributed through phishing campaigns that utilize a variety of lures, including reply-chain email attacks.

bleepingcomputer.com5 min read