Too Log; Didn't Read — Unknown Actor Using CLFS Log Files for Stealth

The Mandiant Advanced Practices team recently discovered a new malware family we have named PRIVATELOG and its installer, STASHLOG. In this post, we will share a novel and especially interesting technique the samples use to hide data, along with detailed analysis of both files that was performed...

Exploit for CVE-2021-1675

CVE-2021-1675RDLLPE A CS reflection loading plugin for the...

Laurent Rineau CGAL Code Execution Vulnerability

Laurent Rineau CGAL is an open source application from Laurent Rineau. Providing access to geometric algorithms in the form of a C library, Laurent Rineau CGAL suffers from a security vulnerability that could be exploited by an attacker to cause out-of-range reads and type obfuscation through the...

Laurent Rineau CGAL Code Execution Vulnerability (CNVD-2022-32788)

Laurent Rineau CGAL is an open source application from Laurent Rineau. It provides access to geometric algorithms in the form of C libraries. Laurent Rineau CGAL suffers from a security vulnerability that can be exploited by an attacker to cause out-of-range reads and type obfuscation via a...

Laurent Rineau CGAL Code Execution Vulnerability (CNVD-2022-32787)

Laurent Rineau CGAL is an open source application from Laurent Rineau. It provides access to geometric algorithms in the form of C libraries. Laurent Rineau CGAL suffers from a security vulnerability that can be exploited by an attacker to cause out-of-range reads and type obfuscation via a...

CGAL 输入验证错误漏洞

Laurent Rineau CGAL is an open source application from Laurent Rineau. It provides access to geometric algorithms in the form of C libraries. Laurent Rineau CGAL suffers from a security vulnerability that can be exploited by an attacker to cause out-of-range reads and type obfuscation via a...

object-path 安全漏洞

object-path is a personal developer's Npm library for accessing variables in data structures via paths. object-path versions prior to 0.11.6 have a security vulnerability that results from a type obfuscation vulnerability when the path component used in the path parameter is an array. No details ...

New variant of Konni malware used in campaign targetting Russia

This blog post was authored by Hossein Jazi In late July 2021, we identified an ongoing spear phishing campaign pushing Konni Rat to target Russia. Konni was first observed in the wild in 2014 and has been potentially linked to the North Korean APT group named APT37. We discovered two documents...

Google Chrome Type Obfuscation Vulnerability (CNVD-2021-68456)

Chrome, a web browsing tool developed by Google, is vulnerable to a type obfuscation vulnerability in V8 in versions prior to Google Chrome 92.0.4515.159. An attacker could exploit this vulnerability to execute arbitrary code inside a sandbox via a crafted HTML page...

CVE-2021-0639

In multiple functions of libl3oemcrypto.cpp, there is a possible weakness in the existing obfuscation mechanism due to the way sensitive data is handled. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for...

CVE-2021-0639

CVE-2021-0639 affects Android/Widevine through libl3oemcrypto.cpp. Described as a local information disclosure due to weaknesses in the obfuscation/handling of sensitive data; requires no user interaction. Documented impact is partial confidentiality loss with local access and no privileges beyon...

CVE-2021-0639

In multiple functions of libl3oemcrypto.cpp, there is a possible weakness in the existing obfuscation mechanism due to the way sensitive data is handled. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for...

Microsoft Edge 安全漏洞

Chrome, a web browsing tool developed by Google, is vulnerable to a type obfuscation vulnerability in V8 in versions prior to Google Chrome 92.0.4515.159. An attacker could exploit this vulnerability to execute arbitrary code inside a sandbox via a crafted HTML page...

Microsoft Edge 安全漏洞

Chrome, a web browsing tool developed by Google, is vulnerable to a type obfuscation vulnerability in V8 in versions prior to Google Chrome 92.0.4515.159. An attacker could exploit this vulnerability to execute arbitrary code inside a sandbox via a crafted HTML page...

Attackers use Morse code, other encryption methods in evasive phishing campaign

Cybercriminals attempt to change tactics as fast as security and protection technologies do. During our year-long investigation of a targeted, invoice-themed XLS.HTML phishing campaign, attackers changed obfuscation and encryption mechanisms every 37 days on average, demonstrating high motivation...

Mozilla Firefox Type Obfuscation Vulnerability (CNVD-2021-90101)

Mozilla Firefox is an open source web browser from the Mozilla Foundation in the U.S. Mozilla Firefox is vulnerable to a type obfuscation vulnerability that stems from a faulty JIT optimization and a type obfuscation error. A remote attacker could trick a victim into opening a carefully construct...

Mozilla Firefox和Mozilla Thunderbird 安全漏洞

Mozilla Firefox is an open source web browser from the Mozilla Foundation in the U.S. Mozilla Firefox is vulnerable to a type obfuscation vulnerability that stems from a faulty JIT optimization and a type obfuscation error. A remote attacker could trick a victim into opening a carefully construct...

Mozilla Firefox和Mozilla Thunderbird输入验证错误漏洞

Mozilla Firefox and Mozilla Thunderbird are both products of the Mozilla Foundation in the U.S. Mozilla Firefox is an open source Web browser. Mozilla Thunderbird is a separate set of email client software. The software supports IMAP and POP email protocols as well as HTML email formats. Mozilla...

ASB-A-190724551

In multiple functions of libl3oemcrypto.cpp, there is a possible weakness in the existing obfuscation mechanism due to the way sensitive data is handled. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation...

LightMe - HTTP Server Serving Obfuscated Powershell Scripts/Payloads

LightMe is a Simple HTTP Server serving Powershell Scripts/Payloads after Obfuscate them and run obfuscation as a service in backgroud in order to keep obfuscate the payloads which giving almost new obfuscated payload on each HTTP request Main Features Obfuscate all powershell files within a...