RefleXXion - A Utility Designed To Aid In Bypassing User-Mode Hooks Utilised By AV/EPP/EDR Etc

Introduction RefleXXion is a utility designed to aid in bypassing user-mode hooks utilised by AV/EPP/EDR etc. In order to bypass the user-mode hooks, it first collects the syscall numbers of the NtOpenFile, NtCreateSection, NtOpenSection and NtMapViewOfSection found in the LdrpThunkSignature arra...

New Exploit Bypasses Existing Spectre-V2 Mitigations in Intel, AMD, Arm CPUs

Researchers have disclosed a new technique that could be used to circumvent existing hardware mitigations in modern processors from Intel, AMD, and Arm, and stage speculative execution attacks such as Spectre to leak sensitive information from host memory. Attacks like Spectre are designed to bre...

Design/Logic Flaw

Due to weak obfuscation, IBM Cognos Analytics Mobile for Android application prior to version 1.1.14 , an attacker could be able to reverse engineer the codebase to gain knowledge about the programming technique, interface, class definitions, algorithms and functions used. IBM X-Force ID: 215593...

Cybercriminals Swarm Windows Utility Regsvr32 to Spread Malware

A Windows living-off-the-land binary LOLBin known as Regsvr32 is seeing a big uptick in abuse of late, researchers are warning, mainly spreading trojans like Lokibot and Qbot. LOLBins are legitimate, native utilities used daily in various computing environments, that cybercriminals use to evade...

Hackers Using New Evasive Technique to Deliver AsyncRAT Malware

A new, sophisticated phishing attack has been observed delivering the AsyncRAT trojan as part of a malware campaign that's believed to have commenced in September 2021. "Through a simple email phishing tactic with an HTML attachment, threat attackers are delivering AsyncRAT a remote access trojan...

Mozilla: Iframe sandbox bypass with XSLT

The Mozilla Foundation Security Advisory describes this flaw as: It was possible to construct specific XSLT markups that would enable someone to bypass an iframe sandbox...

Mortar - Evasion Technique To Defeat And Divert Detection And Prevention Of Security Products (AV/EDR/XDR)

red teaming evasion technique to defeat and divert detection and prevention of security products.Mortar Loader performs encryption and decryption of selected binary inside the memory streams and execute it directly with out writing any malicious indicator into the hard-drive. Mortar is able to...

Apple iPhone Malware Tactic Causes Fake Shutdowns to Enable Spying

In the world of mobile malware, simply shutting down a device can often wipe out any bad code, given that persistence after rebooting is a challenge for traditional malicious activity. But a new iPhone technique can hijack and prevent any shut-down process that a user initiates, simulating a real...

SAILFISH System to Find State-Inconsistency Bugs in Smart Contracts

A group of academics from the University of California, Santa Barbara, has demonstrated what it calls a "scalable technique" to vet smart contracts and mitigate state-inconsistency bugs, discovering 47 zero-day vulnerabilities on the Ethereum blockchain in the process. Smart contracts are program...

Driver-Based Attacks: Past and Present

"People that write Ring 0 code and write it badly are a danger to society." - Mickey Shkatov There is no security boundary between an administrator and the Windows kernel, according to the Microsoft Security Servicing Criteria for Windows. In our analysis of CVE-2021-21551, a write-what-where...

WIRTE Hacker Group Targets Government, Law, Financial Entities in Middle East

Government, diplomatic entities, military organizations, law firms, and financial institutions primarily located in the Middle East have been targeted as part of a stealthy malware campaign as early as 2019 by making use of malicious Microsoft Excel and Word documents. Russian cybersecurity compa...

What Is a Watering Hole Attack?

It's a technique that can hit thousands of victims—through no fault of their own...

CronRAT: A New Linux Malware That's Scheduled to Run on February 31st

Researchers have unearthed a new remote access trojan RAT for Linux that employs a never-before-seen stealth technique that involves masking its malicious actions by scheduling them for execution on February 31st, a non-existent calendar day. Dubbed CronRAT, the sneaky malware "enables server-sid...

New Side Channel Attacks Re-Enable Serious DNS Cache Poisoning Attacks

Researchers have demonstrated yet another variant of the SAD DNS cache poisoning attack that leaves about 38% of the domain name resolvers vulnerable, enabling attackers to redirect traffic originally destined to legitimate websites to a server under their control. "The attack allows an off-path...

Suricata 缓冲区错误漏洞

Suricata is a network intrusion detection system IDS, intrusion prevention system IPS, and network security monitoring engine developed by the Open Information Security Foundation OISF and its supporting vendors, which supports multi-threading, built-in IPv6, and the ability to load pre-defined...

Digging Deeper – An In-Depth Analysis of a Fast Flux Network

Fast Flux is a DNS technique used by botnets to hide various types of malicious activities, such as phishing, web proxying, malware delivery, and malware communication, behind an ever-changing network of compromised hosts acting as proxies. The Fast Flux network concept was first introduced in...

Researchers Demonstrate New Way to Detect MitM Phishing Kits in the Wild

No fewer than 1,220 Man-in-the-Middle MitM phishing websites have been discovered as targeting popular online services like Instagram, Google, PayPal, Apple, Twitter, and LinkedIn with the goal of hijacking users' credentials and carrying out further follow-on attacks. The findings come from a ne...

Evasive maneuvers: HTML smuggling explained

Microsoft Threat Intelligence Center MSTIC last week disclosed “a highly evasive malware delivery technique that leverages legitimate HTML5 and JavaScript features” that it calls HTML smuggling. HTML smuggling has been used in targeted, spear-phishing email campaigns that deliver banking Trojans...

HTML smuggling surges: Highly evasive loader technique increasingly used in banking malware, targeted attacks

HTML smuggling, a highly evasive malware delivery technique that leverages legitimate HTML5 and JavaScript features, is increasingly used in email campaigns that deploy banking malware, remote access Trojans RATs, and other payloads related to targeted attacks. Notably, this technique was observe...

HTML smuggling surges: Highly evasive loader technique increasingly used in banking malware, targeted attacks

HTML smuggling, a highly evasive malware delivery technique that leverages legitimate HTML5 and JavaScript features, is increasingly used in email campaigns that deploy banking malware, remote access Trojans RATs, and other payloads related to targeted attacks. Notably, this technique was observe...