frostbyte

FrostByte Progolue: In the past few days I've been experimenting with the AppDomain manager injection technique had a decent success with it in my previous Red Team engagements against certain EDRs. Although, this is really good for initial access vector, I wanted to release a POC which will help...

Storm-2561 uses SEO poisoning to distribute fake VPN clients for credential theft

In this article 1. From search to stolen credentials: Storm-2561 attack chain 2. Defending against credential theft campaigns 3. Microsoft Defender detection and hunting guidance 4. Indicators of compromise In mid-January 2026, Microsoft Defender Experts identified a credential theft campaign tha...

Storm-2561 uses SEO poisoning to distribute fake VPN clients for credential theft

In this article 1. From search to stolen credentials: Storm-2561 attack chain 2. Defending against credential theft campaigns 3. Microsoft Defender detection and hunting guidance 4. Indicators of compromise In mid-January 2026, Microsoft Defender Experts identified a credential theft campaign tha...

EUVD-2025-36537

Hotta Studio GameDriverX64.sys 7.23.4.7, a signed kernel-mode anti-cheat driver, allows local attackers to cause a denial of service by crashing arbitrary processes via sending crafted IOCTL requests...

UNC6384 Deploys PlugX via Captive Portal Hijacks and Valid Certificates Targeting Diplomats

A China-nexus threat actor known as UNC6384 has been attributed to a set of attacks targeting diplomats in Southeast Asia and other entities across the globe to advance Beijing's strategic interests. "This multi-stage attack chain leverages advanced social engineering including valid code signing...

[SECURITY] Fedora 40 Update: libdigidocpp-4.0.0-1.fc40

Libdigidocpp library offers creating, signing and verification of digitally signed documents, according to XAdES and XML-DSIG standards. Documentation http://open-eid.github.io/libdigidocpp...

RHEL 8 : libreoffice (Unpatched Vulnerability)

The remote Redhat Enterprise Linux 8 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched. - libreoffice: Incorrect trust validation of signature with ambiguous KeyInfo children CVE-2021-25636 -...

Oracle Linux 8 : thunderbird (ELSA-2024-0003)

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2024-0003 advisory. 115.6.0-1.0.1 - Replaced thunderbird-redhat-default-prefs.js with thunderbird-oracle-default-prefs.js 115.6.0-1 - Update to 115.6.0 build2 Tenable has...

Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 : Thunderbird vulnerabilities (USN-6563-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6563-1 advisory. Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a...

RHEL 9 : thunderbird (RHSA-2024:0001)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2024:0001 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 115.6.0. Security Fixes: Mozilla:...

Email Spoofing

Thunderbird is vulnerable to Email Spoofing. The vulnerability is caused because when processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text was never shown to the user as the text was interpreted as a MIME message and the first paragraph was always...

CVE-2023-50762

The Mozilla Foundation Security Advisory: When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text was never shown to the user. This is because the text was interpreted as a MIME message and the first paragraph was always treated as an email header...

CVE-2023-50762

When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text was never shown to the user. This is because the text was interpreted as a MIME message and the first paragraph was always treated as an email header section. A digitally signed text from a...

CVE-2023-50762

When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text was never shown to the user. This is because the text was interpreted as a MIME message and the first paragraph was always treated as an email header section. A digitally signed text from a...

CVE-2023-50762

When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text was never shown to the user. This is because the text was interpreted as a MIME message and the first paragraph was always treated as an email header section. A digitally signed text from a...

Design/Logic Flaw

The signature of a digitally signed S/MIME email message may optionally specify the signature creation date and time. If present, Thunderbird did not compare the signature creation date with the message date and time, and displayed a valid signature despite a date or time mismatch. This could be...

Design/Logic Flaw

When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text was never shown to the user. This is because the text was interpreted as a MIME message and the first paragraph was always treated as an email header section. A digitally signed text from a...

CVE-2023-50762

When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text was never shown to the user. This is because the text was interpreted as a MIME message and the first paragraph was always treated as an email header section. A digitally signed text from a...

CVE-2023-50762

When processing a PGP/MIME payload that contains digitally signed text, the first paragraph of the text was never shown to the user. This is because the text was interpreted as a MIME message and the first paragraph was always treated as an email header section. A digitally signed text from a...

Mozilla Thunderbird Security Vulnerability

Mozilla Thunderbird is the United States Mozilla Foundation's set of independent from the Mozilla Application Suite e-mail client software. The program supports IMAP and POP mail protocols as well as the HTML mail format. A security vulnerability exists in Mozilla Thunderbird version 115.6, which...