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...

Conti Leaks: Examining the Panama Papers of Ransomware | Trellix

Conti Leaks: Examining the Panama Papers of Ransomware By John Fokker, Jambul Tologonov · March 31, 2022 Introduction It isn’t often the whole world gets an inside look of the business operations of a top tier cybercriminal group. Very early on in the Russian-Ukrainian Crisis the predominantly...

Conti Leaks: Examining the Panama Papers of Ransomware | Trellix

Conti Leaks: Examining the Panama Papers of Ransomware By John Fokker, Jambul Tologonov · March 31, 2022 Introduction It isn’t often the whole world gets an inside look of the business operations of a top tier cybercriminal group. Very early on in the Russian-Ukrainian Crisis the predominantly...

New spear phishing campaign targets Russian dissidents

This blog post was authored by Hossein Jazi. -- Updated to clarify the two different campaigns Cobalt Strike and Rat Several threat actors have taken advantage of the war in Ukraine to launch a number of cyber attacks. The Malwarebytes Threat Intelligence team is actively monitoring these threats...

Hackers Hijack Email Reply Chains on Unpatched Exchange Servers to Spread Malware

A new email phishing campaign has been spotted leveraging the tactic of conversation hijacking to deliver the IcedID info-stealing malware onto infected machines by making use of unpatched and publicly-exposed Microsoft Exchange servers. "The emails use a social engineering technique of...

Incorrect strike price displayed in name/symbol of qToken

Lines of code Vulnerability details Impact slice in options/QTokenStringUtils.sol cut a string into stringstart:end However, while fetching bytes, it uses bytessstart+1 instead of bytessstart+i. This causes the return string to be composed of sstartend-start. The result of this function is then...

Russian threat actor UAC-0056 targets European countries

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. The Governmental Computer Emergency Response Team of Ukraine CERT-UA has released an alert about a Russian threat actor UAC-0056 SaintBear, UNC2589, TA471 delivering malwares using email attachments. UNC2589 is a cyber...

WMEye - A Post Exploitation Tool That Uses WMI Event Filter And MSBuild Execution For Lateral Movement

WMEye is an experimental tool that was developed when exploring about Windows WMI. The tool is developed for performing Lateral Movement using WMI and remote MSBuild Execution. It uploads the encoded/encrypted shellcode into remote targets WMI Class Property, create an event filter that when...

Russian Ransomware Gang Retool Custom Hacking Tools of Other APT Groups

A Russian-speaking ransomware outfit likely targeted an unnamed entity in the gambling and gaming sector in Europe and Central America by repurposing custom tools developed by other APT groups like Iran's MuddyWater, new research has found. The unusual attack chain involved the abuse of stolen...

NVIDIA’s Stolen Code-Signing Certs Used to Sign Malware

Two of NVIDIA’s code-signing certificates were part of the Feb. 23 Lapsus$ Group ransomware attack the company suffered – certificates that are now being used to sign malware so malicious programs can slide past security safeguards on Windows machines. The Feb. 23 attack saw 1TB of data bleed fro...

StayKit - Cobalt Strike Kit For Persistence

StayKit is an extension for Cobalt Strike persistence by leveraging the executeassembly function with the SharpStay .NET assembly. The aggressor script handles payload creation by reading the template files for a specific execution type. IMPORTANT: To use the script a user will only need to load...

Hackers Backdoor Unpatched Microsoft SQL Database Servers with Cobalt Strike

Vulnerable internet-facing Microsoft SQL MS SQL Servers are being targeted by threat actors as part of a new campaign to deploy the Cobalt Strike adversary simulation tool on compromised hosts. "Attacks that target MS SQL servers include attacks to the environment where its vulnerability has not...

CVE-2022-23317

CobaltStrike =4.5 HTTPS listener does not determine whether the request URL begins with "/", and attackers can obtain relevant information by specifying the URL...

CVE-2022-23317

CobaltStrike =4.5 HTTPS listener does not determine whether the request URL begins with "/", and attackers can obtain relevant information by specifying the URL...

PT-2022-15924 · Unknown · Cobalt Strike

Name of the Vulnerable Software and Affected Versions: CobaltStrike versions prior to 4.6 Description: The issue concerns the HTTPS listener in CobaltStrike, which fails to verify if the request URL starts with a forward slash /. This oversight allows attackers to gather sensitive information by...

HelpSystems Cobalt Strike 授权问题漏洞

HelpSystems HelpSystems Cobalt Strike is a penetration testing software from HelpSystems USA. A security vulnerability exists in HelpSystems Cobalt Strike that stems from the CobaltStrike =4.5 HTTPS listener not determining if a request URL begins with "/", which allows an attacker to obtain...

Russian APT Hackers Used COVID-19 Lures to Target European Diplomats

The Russia-linked threat actor known as APT29 targeted European diplomatic missions and Ministries of Foreign Affairs as part of a series of spear-phishing campaigns mounted in October and November 2021. According to ESET's T3 2021 Threat Report shared with The Hacker News, the intrusions paved t...

New SEO Poisoning Campaign Distributing Trojanized Versions of Popular Software

An ongoing search engine optimization SEO poisoning attack campaign has been observed abusing trust in legitimate software utilities to trick users into downloading BATLOADER malware on compromised machines. "The threat actor used 'free productivity apps installation' or 'free software developmen...

TrickBot Malware Using New Techniques to Evade Web Injection Attacks

The cybercrime operators behind the notorious TrickBot malware have once again upped the ante by fine-tuning its techniques by adding multiple layers of defense to slip past antimalware products. "As part of that escalation, malware injections have been fitted with added protection to keep...