CVE-2021-37592

Suricata before 5.0.8 and 6.x before 6.0.4 allows TCP evasion via a client with a crafted TCP/IP stack that can send a certain sequence of segments...

CVE-2021-37592

Suricata before 5.0.8 and 6.x before 6.0.4 allows TCP evasion via a client with a crafted TCP/IP stack that can send a certain sequence of segments...

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...

K8tools

It is an offensive tool for web application exploitation. The repository, K8tools, contains a collection of tools for various purposes, including internal penetration, privilege escalation, remote overflow, vulnerability exploitation, scanning, password cracking, and evasion. The primary focus is...

environment: Unicode's bidirectional (BiDi) override characters can cause trojan source attacks

A flaw was found in the way Unicode standards are implemented in the context of development environments, which have specialized requirements for rendering text. An attacker could exploit this to deceive a human reviewer by creating a malicious patch containing well placed BiDi characters. The...

Hackers Targeting Myanmar Use Domain Fronting to Hide Malicious Activities

A malicious campaign has been found leveraging a technique called domain fronting to hide command-and-control traffic by leveraging a legitimate domain owned by the Myanmar government to route communications to an attacker-controlled server with the goal of evading detection. The threat, which wa...

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...

Magecart Credit Card Skimmer Avoids VMs to Fly Under the Radar

A new Magecart threat actor is stealing people’s payment card info from their browsers using a digital skimmer that uses a unique form of evasion to bypass virtual machines VM so it targets only actual victims and not security researchers. The Malwarebytes team discovered the new campaign, which...

Mekotio Banking Trojan Resurges with Tweaked Code, Stealthy Campaign

The Mekotio Latin American banking trojan is bouncing back after several of the gang that operates it were arrested in Spain. More than 100 attacks in recent weeks have featured a new infection routine, indicating that the group continues to actively retool. “The new campaign started right after...

Credit card skimmer evades Virtual Machines

This blog post was authored by Jérôme Segura There are many techniques threat actors use to slow down analysis or, even better, evade detection. Perhaps the most popular method is to detect virtual machines commonly used by security researchers and sandboxing solutions. Reverse engineers are...

DCOM abuse and lateral movement with Cobalt Strike

Introduction When researching lateral movement techniques I came across a post from Raphael Mudge of Cobalt Strike fame. He details scripting an Aggressor Script for Matt Nelson’s MMC20.Application Lateral Movement technique. Reading that post spurred me to make my own DCOM based lateral movement...

How we took part in MLSEC and (almost) won

This summer Kaspersky experts took part in the Machine Learning Security Evasion Competition MLSEC — a series of trials testing contestants ability to create and attack machine learning models. The event is comprised of two main challenges — one for attackers, and the other for defenders. The...

Franken-phish: TodayZoo built from other phishing kits

A phishing kit built using pieces of code copied from other kits, some available for sale through publicly accessible scam sellers or are reused and repackaged by other kit resellers, provides rich insight into the state of the economy that drives phishing and email threats today. We uncovered th...

CVE-2021-41791

An issue was discovered in Hyland org.alfresco:share through 7.0.0.2 and org.alfresco:community-share through 7.0. An evasion of the XSS filter for HTML input validation in the Alfresco Share User Interface leads to stored XSS that could be exploited by an attacker given that he has privileges on...

CVE-2021-41791

An issue was discovered in Hyland org.alfresco:share through 7.0.0.2 and org.alfresco:community-share through 7.0. An evasion of the XSS filter for HTML input validation in the Alfresco Share User Interface leads to stored XSS that could be exploited by an attacker given that he has privileges on...

Limelighter - A Tool For Generating Fake Code Signing Certificates Or Signing Real Ones

A tool which creates a spoof code signing certificates and sign binaries and DLL files to help evade EDR products and avoid MSS and sock scruitney. LimeLighter can also use valid code signing certificates to sign files. Limelighter can use a fully qualified domain name such as acme.com...

ImpulsiveDLLHijack - C# Based Tool Which Automates The Process Of Discovering And Exploiting DLL Hijacks In Target Binaries

C based tool which automates the process of discovering and exploiting DLL Hijacks in target binaries. The Hijacked paths discovered can later be weaponized during RedTeam Operations to evade EDR's. 1. Methodological Approach : The tool basically acts on automating following stages performed for...

The ad blocker that injects ads

Deceptive ad injection is a growing concern on the internet today, affecting many people browsing the web. And while the concept isn’t new Google stated it was the most common complaint amongst Chrome users back in 2015, just like with other online threats, bad actors are constantly refining thei...

New FinSpy Malware Variant Infects Windows Systems With UEFI Bootkit

Commercially developed FinFisher surveillanceware has been upgraded to infect Windows devices using a UEFI Unified Extensible Firmware Interface bootkit that leverages a trojanized Windows Boot Manager, marking a shift in infection vectors that allow it to elude discovery and analysis. Detected i...

SAS 2021: FinSpy Surveillance Kit Re-Emerges Stronger Than Ever

The FinSpy surveillance kit has been driven from its hiding place following an eight-month investigation by Kaspersky researchers. Detections of the spyware trojan have dwindled since 2018, but it turns out that it hasn’t gone away – it’s simply been hiding behind various first-stage implants tha...