RIG malvertising campaign uses cryptocurrency theme as decoy

For a couple of weeks, we have been observing a malvertising campaign that uses decoy websites to redirect users to the RIG exploit kit. Those sites, whose theme is about cryptocurrencies, were all registered recently and are swapped after a few days of use. The initial redirection starts off fro...

Unicode Technique Used to Deliver Cryptomining Malware Through Telegram

Attackers are using the time-tested right-to-left override technique to deliver cryptomining malware through the popular Telegram messaging application, say researchers. The right-to-left RLO technique uses Unicode to hide malicious file names and trick users into executing what appear to be beni...

Targeted Attacks In The Middle East

This blog post is authored by Paul Rascagneres with assistance of Martin Lee. Executive Summary Talos has identified a targeted attacks affecting the Middle East. This campaign contains the following elements, which are described in detail in this article. The use of allegedly confidential decoy...

New Mac cryptominer distributed via a MacUpdate hack

Early this morning, security researcher Arnaud Abbati of SentinelOne tweeted about new Mac malware being distributed via MacUpdate. This malware, which Abbati has named OSX.CreativeUpdate, is a new cryptocurrency miner, designed to sit in the background and use your computer's CPU to mine the...

Latest Sofacy Campaign Targeting Security Researchers

Sofacy, the Russian-speaking APT group connected to interference in the 2016 U.S. presidential election, has been targeting researchers, admins and others interested in cybersecurity. Cisco’s security research arm Talos published a report on Sunday describing a campaign linked to Sofacy, also kno...

Russian Hacking Tools Codenamed WhiteBear Exposed

Kaspersky Labs exposed a highly sophisticated set of hacking tools from Russia called WhiteBear. From February to September 2016, WhiteBear activity was narrowly focused on embassies and consular operations around the world. All of these early WhiteBear targets were related to embassies and...

Onion Decoy Server

A platform to run private unannounced Honeypots as Tor Hidden Services aka Onion Decoys inside the Tor Network. The Onion Decoys are implemented with Docker containers as honeypots. The reason to choose Docker is that it is good at process and filesystem isolation, which ultimately gives the...

A King’s Ransom It is Not

The first half of 2017 began with two intriguing ransomware events, both partly enabled by wormable exploit technology dumped by a group calling themselves "The ShadowBrokers". These WannaCry and ExPetr ransomware events are the biggest in the sense that they spread the quickest and most...

New KONNI Campaign References North Korean Missile Capabilities

This blog was authored by Paul RascagneresExecutive SummaryWe recently wrote about the KONNI Remote Access Trojan RAT which has been distributed by a small number of campaigns over the past 3 years. We have identified a new distribution campaign which took place on 4th July. The malware used in...

AdGholas malvertising thrives in the shadows of ransomware outbreaks

The latest wave of ransomware following the WannaCry outbreak has kept everyone very busy and been the topic of many conversations. In the meantime, other threat actors have been quite active and perhaps even enjoyed this complimentary diversion. This is certainly true for the most prolific...

Protect Against WannaCry with Deception-Based Ransomware Detection

The WannaCry ransomware attack caught the world off guard—and may have even literally left some crying. The attack infected more than 230,000 computers in 150 countries by encrypting data on networked machines and demanding payments in Bitcoin. According to Malwarebytes researchers, the attack...

Stealthy Konni RAT Targeting North Korea Since 2014

Two recent espionage campaigns against political and strategic targets in North Korea has been linked to malware that has stayed hidden for the better part of three years. Cisco’s research arm Talos published a report yesterday on the malware it calls Konni. Two attacks in April used phishing...

CVE-2017-0199: In the Wild Attacks Leveraging HTA Handler

FireEye recently detected malicious Microsoft Office RTF documents that leverage CVE-2017-0199, a previously undisclosed vulnerability. This vulnerability allows a malicious actor to download and execute a Visual Basic script containing PowerShell commands when a user opens a document containing ...

CVE-2017-0199: In the Wild Attacks Leveraging HTA Handler

FireEye recently detected malicious Microsoft Office RTF documents that leverage CVE-2017-0199, a previously undisclosed vulnerability. This vulnerability allows a malicious actor to download and execute a Visual Basic script containing PowerShell commands when a user opens a document containing ...

The Word exposed 0day vulnerabilities: no need to enable the macros, open the document it automatically install a malicious program-vulnerability warning-the black bar safety net

! In fact, the use of Word macros as the distribution of malicious programs is the way today's conventional via, so many people choose to disable macros, but if you say disable the macros are useless, such a malicious Word document danger is quite different. Recently, McAfee and FireEye security...

Spear Phishing Techniques Used in Attacks Targeting the Mongolian Government

Introduction FireEye recently observed a sophisticated campaign targeting individuals within the Mongolian government. Targeted individuals that enabled macros in a malicious Microsoft Word document may have been infected with Poison Ivy, a popular remote access tool RAT that has been used for...

AntiRansom - Fighting against Ransomware using Honeypots

AntiRansom is a tool capable of detect and stop attacks of Ransomware using honeypots. First, Anti Ransom creates a random decoy folder with many useless random documents Excel, PDF and then it monitors the folder waiting for changes. When a change is detected, AntiRansom tries to identify wich...

APT Group Sends Spear Phishing Emails to Indian Government Officials

Introduction On May 18, 2016, FireEye Labs observed a suspected Pakistan-based APT group sending spear phishing emails to Indian government officials. This threat actor has been active for several years and conducting suspected intelligence collection operations against South Asian political and...

APT Group Sends Spear Phishing Emails to Indian Government Officials

Introduction On May 18, 2016, FireEye Labs observed a suspected Pakistan-based APT group sending spear phishing emails to Indian government officials. This threat actor has been active for several years and conducting suspected intelligence collection operations against South Asian political and...

CVE-2016-4117: Flash Zero-Day Exploited in the Wild

On May 8, 2016, FireEye detected an attack exploiting a previously unknown vulnerability in Adobe Flash Player CVE-2016-4117 and reported the issue to the Adobe Product Security Incident Response Team PSIRT. Adobe released a patch for the vulnerability in APSB16-15 just four days later. Attackers...