Emotet fixes bug in code, resumes spam campaign

Emotet threat actors resumed their email spam campaign on Monday after stopping it late last week to fix a bug. The bug—a flaw in how Emotet is installed onto a system after a victim opens a malicious email attachment—forced the actors to prematurely halt their campaign. Sample email of an Emotet...

XSS in /demo/module/?module=HERE

Description Reflected XSS in /demo/module/?module= bypass of fix for CVE-2022-1439 Proof of Concept In this report I showed an XSS and while one of the filter evasion mechanisms was fixed, the root cause persists to allow other payloads. As I mentioned there are event handlers which are unblocked...

New SolarMarker Malware Variant Using Updated Techniques to Stay Under the Radar

Cybersecurity researchers have disclosed an advanced version of the SolarMarker malware that packs in new improvements with the goal of updating its defense evasion abilities and staying under the radar. "The recent version demonstrated an evolution from Windows Portable Executables EXE files to...

Shhhloader - SysWhispers Shellcode Loader

Shhhloader is a SysWhispers Shellcode Loader that is currently a Work in Progress. It takes raw shellcode as input and compiles a C++ stub that has been integrated with SysWhispers in order to bypass AV/EDR. The included python builder will work on any Linux system that has Mingw-w64 installed. T...

Dismantling ZLoader: How malicious ads led to disabled security tools and ransomware

As announced today, Microsoft took action against the ZLoader trojan by working with telecommunications providers around the world to disrupt key ZLoader infrastructure. We used our research into this threat to enrich our protection technologies and ensure this infrastructure could no longer be...

Dismantling ZLoader: How malicious ads led to disabled security tools and ransomware

As announced today, Microsoft took action against the ZLoader trojan by working with telecommunications providers around the world to disrupt key ZLoader infrastructure. We used our research into this threat to enrich our protection technologies and ensure this infrastructure could no longer be...

Microsoft Exposes Evasive Chinese Tarrask Malware Attacking Windows Computers

The Chinese-backed Hafnium hacking group has been linked to a piece of a new malware that's used to maintain persistence on compromised Windows environments. The threat actor is said to have targeted entities in the telecommunication, internet service provider and data services sectors from Augus...

Tarrask malware uses scheduled tasks for defense evasion

As Microsoft continues to track the high-priority state-sponsored threat actor HAFNIUM, new activity has been uncovered that leverages unpatched zero-day vulnerabilities as initial vectors. The Microsoft Detection and Response Team DART in collaboration with the Microsoft Threat Intelligence Cent...

Denonia cryptominer is first malware to target AWS Lambda

Security researchers at Cado Security, a cybersecurity forensics company, recently discovered the first publicly-known malware targeting Lambda, the serverless computing platform of Amazon Web Services AWS. Though Lambda has been around for less than ten years, serverless technology is considered...

SMTP2GO BBP: Origin IP found, WAF Cloudflare Bypass

Description: I have discovered that the http://172.105.190.180/login/ site exposed it's IP which could allow bypassing of anti-DDoS mechanisms i.e you are using Cloudflare for protection. For Originate IP address which I found from https://search.censys.io/ By using these IP address as a resolver...

Cloak - A Censorship Circumvention Tool To Evade Detection By Authoritarian State Adversaries

Cloak is a pluggable transport that enhances traditional proxy tools like OpenVPN to evade sophisticated censorship and data discrimination. Cloak is not a standalone proxy program. Rather, it works by masquerading proxied traffic as normal web browsing activities. In contrast to traditional tool...

SharkBot Banking Trojan Resurfaces On Google Play Store Hidden Behind 7 New Apps

As many as seven malicious Android apps discovered on the Google Play Store masqueraded as antivirus solutions to deploy a banking trojan called SharkBot. "SharkBot steals credentials and banking information," Check Point researchers Alex Shamshur and Raman Ladutska said in a report shared with T...

Vulnerability-Disclosure

CVE-2022-AVAST1 Arbitrary File Write that Leads to Defense Ev...

Deep Panda deploys new rootkit “Fire Chili” by exploiting Log4shell in VMware horizon

THREAT LEVEL: Red For a detailed advisory, download the pdf file here Deep Panda, a Chinese APT group, took advantage of the well-known Log4Shell vulnerability in VMware Horizon servers to deploy a backdoor, rootkit, and steal sensitive data. This threat actor is primarily targeting firms in the...

Thwarting Loaders: From SocGholish to BLISTER’s LockBit Payload

Both BLISTER and SocGholish are loaders known for their evasion tactics. Our report details what these loaders are capable of and our investigation into a campaign that uses both to deliver the LockBit ransomware...

Experts Shed Light on BlackGuard Infostealer Malware Sold on Russian Hacking Forums

A previously undocumented "sophisticated" information-stealing malware named BlackGuard is being advertised for sale on Russian underground forums for a monthly subscription of $200. "BlackGuard has the capability to steal all types of information related to Crypto wallets, VPN, Messengers, FTP...

DOS Vulnerability discovered in SonicWall Next-Generation Firewall

THREAT LEVEL: Amber For a detailed advisory, download the pdf file here SonicWall, a manufacturer of security hardware discovered a flaw in their SonicOS security operating system that allows denial of service DoS attacks and could lead to remote code execution RCE. The identified vulnerability...

Nimcrypt2 - .NET, PE, And Raw Shellcode Packer/Loader Written In Nim

Nimcrypt2 is yet another PE packer/loader designed to bypass AV/EDR. It is an improvement on my original Nimcrypt project, with the main improvements being the use of direct syscalls and the ability to load regular PE files as well as raw shellcode. Before going any further, I must acknowledge...

North Korean state-sponsored threat actor Lazarus Group exploiting Chrome Zero-day vulnerability

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here For more than a month before a fix was available, North Korean state hackers known as Lazarus group exploited a zero-day, remote code execution vulnerability CVE-2022-0609 in Google Chromes web browser. The attack mainly targe...

Microsoft’s privilege escalation vulnerability that refuses to go away

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here After seven months, a vulnerability that was addressed in August 2021 patch Tuesday remained unpatched. This locally exploited vulnerability is tracked as CVE-2021-34484 and affects the Windows User Profile Service. While...