The leap of a Cycldek-related threat actor

Introduction In the nebula of Chinese-speaking threat actors, it is quite common to see tools and methodologies being shared. One such example of this is the infamous "DLL side-loading triad": a legitimate executable, a malicious DLL to be sideloaded by it, and an encoded payload, generally dropp...

HAXX libcurl man-in-the-middle attack vulnerability (CNVD-2021-31934)

HAXX libcurl is an open source client-side URL transport library from the Swedish company Haxx. It supports protocols such as FTP, SFTP, TFTP and HTTP. HAXX libcurl suffers from a man-in-the-middle attack vulnerability that can be exploited by an attacker to act as a man-in-the-middle by...

CallObfuscator - Obfuscate Specific Windows Apis With Different APIs

Obfuscate hide the PE imports from static/dynamic analysis tools. Theory This's pretty forward, let's say I've used VirtualProtect and I want to obfuscate it with Sleep, the tool will manipulate the IAT so that the thunk that points to VirtualProtect will point instead to Sleep, now at executing...

$4,000 COVID-19 'Relief Checks' Cloak Dridex Malware

Cybercriminals have wasted no time in hopping on the American Rescue Plan – the COVID-19 relief legislation just signed into law – as a lure for email-based scams. According to researchers at Cofense, a campaign began circulating in March that capitalized on Americans’ interest in the forthcoming...

Security Bulletin: IBM Verify Gateway PAM components default to cleartext storage of client secret (CVE-2020-4369)

Summary The IBM Verify Gateway IVG PAM components allow encryption of the client-secret property in the /etc/pamibmauth.json file, but it's not the default configuration. Instead, customers must remember to add an --obfuscation command-line flag to encrypt the property. As of v1.0.1 of IVG for AI...

Twonky Server < 8.5.2 Multiple Vulnerabilities

Twonky Server is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:lynxtechnology:twonkyserver";...

Chimera - A (Shiny And Very Hack-Ish) PowerShell Obfuscation Script Designed To Bypass AMSI And Commercial Antivirus Solutions

Chimera is a shiny and ver y hack-ish PowerShell obfuscation script designed to bypass AMSI and antivirus solutions. It digests malicious PS1's known to trigger AV and uses string substitution and variable concatenation to evade common detection signatures. Chimera was created for this write-up a...

CVE-2021-27141

An issue was discovered on FiberHome HG6245D devices through RP2613. Credentials in /fhconf/umconfig.txt are obfuscated via XOR with the hardcoded j7aLyZ98sSd5HfSgGjMj8;Ss;d&^@$a2s0i3g key. The webs binary has details on how XOR is used...

CVE-2021-27141

CVE-2021-27141 affects FiberHome HG6245D devices (RP2613) where credentials stored in /fhconf/umconfig.txt are obfuscated with XOR using a hardcoded key. The Red Hat and NVD entries reproduce the same description, confirming the vulnerability stems from weak obfuscation rather than a cryptographi...

CVE-2020-10554

An issue was discovered in Psyprax beforee 3.2.2. Passwords used to encrypt the data are stored in the database in an obfuscated format, which can be easily reverted. For example, the password AAAAAAAA is stored in the database as MMMMMMMM...

Microsoft Office 365 Attacks Sparked from Google Firebase

A phishing campaign bent on stealing Microsoft login credentials is using Google Firebase to bypass email security measures in Microsoft Office 365, researchers said. Researchers at Armorblox uncovered invoice-themed emails sent to at least 20,000 mailboxes that purport to share information about...

A New Linux Malware Targeting High-Performance Computing Clusters

High-performance computing clusters belonging to university networks as well as servers associated with government agencies, endpoint security vendors, and internet service providers have been targeted by a newly discovered backdoor that gives attackers the ability to execute arbitrary commands o...

Agent Tesla Trojan 'Kneecaps' Microsoft's Anti-Malware Interface

Researchers have identified new versions of the Agent Tesla remote access trojan RAT that target the Windows anti-malware interface used by security vendors to protect PCs from attacks. The newly discovered variants have also adopted new obfuscation capabilities, raising the stakes for businesses...

Phishing Campaign Leverages WOFF Obfuscation and Telegram Channels for Communication

FireEye Email Security recently encountered various phishing campaigns, mostly in the Americas and Europe, using source code obfuscation with compromised or bad domains. These domains were masquerading as authentic websites and stole personal information such as credit card data. The stolen...

CVE-2021-3130

Within the Open-AudIT up to version 3.5.3 application, the web interface hides SSH secrets, Windows passwords, and SNMP strings from users using HTML 'password field' obfuscation. By using Developer tools or similar, it is possible to change the obfuscation so that the credentials are visible...

CVE-2021-3130

Within the Open-AudIT up to version 3.5.3 application, the web interface hides SSH secrets, Windows passwords, and SNMP strings from users using HTML 'password field' obfuscation. By using Developer tools or similar, it is possible to change the obfuscation so that the credentials are visible...

CVE-2021-3130

Within the Open-AudIT up to version 3.5.3 application, the web interface hides SSH secrets, Windows passwords, and SNMP strings from users using HTML 'password field' obfuscation. By using Developer tools or similar, it is possible to change the obfuscation so that the credentials are visible...

CVE-2021-3130

Within the Open-AudIT up to version 3.5.3 application, the web interface hides SSH secrets, Windows passwords, and SNMP strings from users using HTML 'password field' obfuscation. By using Developer tools or similar, it is possible to change the obfuscation so that the credentials are visible...

CVE-2021-3130

The CVE-2021-3130 issue affects Open-AudIT up to version 3.5.3, where the web interface uses HTML password-field obfuscation to hide SSH secrets, Windows passwords, and SNMP strings. The vulnerability arises because credentials can be revealed by altering obfuscation through developer tools or si...

In-the-Wild Series: Android Post-Exploitation

This is part 5 of a 6-part series detailing a set of vulnerabilities found by Project Zero being exploited in the wild. To read the other parts of the series, see the introduction post. Posted by Maddie Stone, Project Zero A deep-dive into the implant used by a high-tier attacker against Android...