osint-brazuca

🇧🇷 OSINT BRAZUCA 🇧🇷 Catalog of Brazilian open sources public, legal and ready for investigation. Knowing in order to protect, investigating in order to defend. !Quick Guidehttps://img.shi...

IPED

IPED Digital Forensic Tool IPED is an open source software that can be used to process and analyze digital evidence, often seized at crime scenes by law enforcement or in a corporate investigation by private examiners. History IPED - Digital Evidence Processor and Indexer translated from Portugue...

BRIntelcollector

BRIntelcollector Overview The BRIntelcollector is a Cyber Threat Intelligence CTI tool focused on Brazilian national threat indicators. The tool allows searching and consolidating information about cyber threats through multiple intelligence sources, facilitating the creation of a centralized...

Do Electromagnetic Side-Channel Attacks Threaten Electronic Polling Stations? Scenarios and Recommendations

This paper investigates the threat to ballot secrecy in the Brazilian electronic voting machine UEB posed by electromagnetic side-channel attacks, also known as TEMPEST attacks. In these attacks, screen content can be reconstructed remotely by intercepting electromagnetic emanations associated wi...

Fast Frame Rate Estimation in Electromagnetic Side-Channel Attacks on Public Systems

Frame refresh rate estimation is a fundamental step in identifying compromising harmonic frequencies in electromagnetic side-channel attacks. Methods based on discrete linear autocorrelation DLA are robust across different scenarios and require a computational complexity of $ON\log N$ for a signa...

KREMLIN Banking Malware Hijacks Chrome and Edge to Steal Credentials and Session Tokens

Cybersecurity researchers have shed light on a previously undocumented Brazilian banking malware operation that delivers a toolkit called KREMLIN. Elastic Security Labs is tracking the activity under the moniker REF9334. Active since at least May 2025, the threat actor has used lures that...

Slim Spider Steals Crypto Custody Secrets From Brazilian Financial Institution

A previously undocumented financially motivated threat actor has been linked to attacks targeting Brazilian financial institutions since at least March 2026. Cybersecurity company CrowdStrike is tracking the Brazil-based activity cluster under the name Slim Spider. "The adversary demonstrates dee...

Malicious Apache Modules Hijack Brazilian Government Site Traffic to Push Betting Pages

A Chinese-speaking cybercrime cluster known as Gambling Goblin has been observed installing malicious Apache modules on compromised web servers run by Brazilian government and educational institutions, and using them to divert visitors to attacker-controlled pages promoting online gambling and...

Breeze Comet Executes Hundreds of Fraudulent Transactions via Brazilian Payment Systems

Brazilian financial services, retail, and e-commerce organizations have become the target of a financially motivated threat actor dubbed Breeze Comet formerly UNC5669 since 2024. Google Threat Intelligence Group GTIG and Mandiant teams described the threat actor as "specializing in manipulating...

An analysis of incidents at Brazilian educational institutions

Introduction Because of the amount of data that can be obtained and the high impact that successful attacks may have, educational institutions are frequent targets of cybercriminals. Both public and private schools and universities rely on software for managing personally identifiable information...

20+ Hijacked Government Websites Became
an Attack Channel

More than 20 Brazilian government websites were hijacked and turned into malware delivery channels in an active PhantomEnigma campaign uncovered by ANY.RUN, a leading provider of interactive malware analysis and threat intelligence solutions. The investigation revealed previously undocumented...

Malicious Sicoob NuGet Steals Banking Credentials as npm Packages Target Cloud Secrets

Cybersecurity researchers have discovered a malicious NuGet package that masquerades as a C software development kit for Sicoob, one of Brazil's largest cooperative financial systems, to siphon client IDs and PFX certificates. According to Socket, versions 2.0.0 through 2.0.4 of "Sicoob.Sdk"...

Pre-Characterization of Electromagnetic Side-Channel Leakage Using Publicly Available Information: A Case Study on E-Voting Interfaces

In this work, we study the interface of the Brazilian e-Voting Machine BVM in the context of electromagnetic side-channel threats commonly referred to as TEMPEST attacks. In a TEMPEST attack against video displays, an eavesdropper uses Software-Defined Radios SDRs to recover sensitive information...

Banana RAT Malware in Fake Invoices Hits Customers at 16 Brazilian Banks

Banana RAT malware hidden in fake invoices and security update screens targets customers at 16 Brazilian banks stealing data with QR fraud...

CVE-2026-42268 ModSecurity: Unsigned integer underflow in @verifySSN / @verifyCPF / @verifySVNR operators

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. From 3.0.0 to before 3.0.15, there is an unhandled exception std::outofrange caused by unsigned integer underflow in libmodsecurity3 if the user administrator uses a rule any of @verifySSN...

Anti-DDoS Firm Heaped Attacks on Brazilian ISPs

A Brazilian tech firm that specializes in protecting networks from distributed denial-of-service DDoS attacks has been enabling a botnet responsible for an extended campaign of massive DDoS attacks against other network operators in Brazil, KrebsOnSecurity has learned. The firm's chief executive...

Free real estate: GoPix, the banking Trojan living off your memory

Introduction GoPix is an advanced persistent threat targeting Brazilian financial institutions' customers and cryptocurrency users. It represents an evolved threat targeting internet banking users through memory-only implants and obfuscated PowerShell scripts. It evolved from the RAT and Automate...

Rust-Based VENON Malware Targets 33 Brazilian Banks with Credential-Stealing Overlays

Cybersecurity researchers have disclosed details of a new banking malware targeting Brazilian users that's written in Rust, marking a significant departure from other known Delphi-based malware families associated with the Latin American cybercrime ecosystem. The malware, which is designed to...

Identification of Malicious Posts on the Dark Web Using Supervised Machine Learning

Given the constant growth and increasing sophistication of cyberattacks, cybersecurity can no longer rely solely on traditional defense techniques and tools. Proactive detection of cyber threats has become essential to help security teams identify potential risks and implement effective mitigatio...

Python-Based WhatsApp Worm Spreads Eternidade Stealer Across Brazilian Devices

Cybersecurity researchers have disclosed details of a new campaign that leverages a combination of social engineering and WhatsApp hijacking to distribute a Delphi-based banking trojan named Eternidade Stealer as part of attacks targeting users in Brazil. "It uses Internet Message Access Protocol...