New SUNSHUTTLE Second-Stage Backdoor Uncovered Targeting U.S.-Based Entity; Possible Connection to UNC2452

Executive Summary In August 2020, a U.S.-based entity uploaded a new backdoor that we have named SUNSHUTTLE to a public malware repository. SUNSHUTTLE is a second-stage backdoor written in GoLang that features some detection evasion capabilities. Mandiant observed SUNSHUTTLE at a victim compromis...

BlackMamba - C2/post-exploitation Framework

BlackMamba is a multi client C2/post exploitation framework with some spyware features. Powered by Python 3.8.6 and QT Framework. Some of BlackMamba features are: Multi Client - Supports multiple client connections at the same time. Real Time Communication Updates - Real time communication and...

Bitcoins, Blockchains, and Botnets

A recent piece of malware from a known crypto mining botnet campaign has started leveraging Bitcoin blockchain transactions in order to hide its backup C2 IP address. It's a simple, yet effective, way to defeat takedown attempts...

Various Malware Lurks in Discord App to Target Gamers

A rise in online gaming, tied to pandemic-mandated social distancing, has led to a spike in criminals targeting the demographic. The latest effort to exploit the trend is malicious files planted inside the Discord platform designed to trick users into downloading malware-laced files. Researchers...

How Page Integrity Manager Detects Real-World Magecart Attacks

Written by Ziv Eli - Engineering Manager, Security and Maor Hod - Senior Product Manager, Security In this blog, we will take a look at and break down a recent Magecart attack detected and mitigated by Page Integrity Manager. The impacted customer operates a large international e-commerce busines...

Experts Uncover Malware Attacks Against Colombian Government and Companies

Cybersecurity researchers took the wraps off an ongoing surveillance campaign directed against Colombian government institutions and private companies in the energy and metallurgical industries. In a report published by ESET on Tuesday, the Slovak internet security company said the attacks — dubb...

In-the-Wild Series: Android Post-Exploitation

This is part 5 of a 6-part series detailing a set of vulnerabilities found by Project Zero being exploited in the wild. To read the other parts of the series, see the introduction post. Posted by Maddie Stone, Project Zero A deep-dive into the implant used by a high-tier attacker against Android...

SolarWinds Hack Potentially Linked to Turla APT

New details on the Sunburst backdoor used in the sprawling SolarWinds supply-chain attack potentially link it to previously known activity by the Turla advanced persistent threat APT group. Researchers at Kaspersky have uncovered several code similarities between Sunburst and the Kazuar backdoor...

Researchers Find Links Between Sunburst and Russian Kazuar Malware

Cybersecurity researchers, for the first time, may have found a potential connection between the backdoor used in the SolarWinds hack to a previously known malware strain. In new research published by Kaspersky researchers today, the cybersecurity firm said it discovered several features that...

Warning: Cross-Platform ElectroRAT Malware Targeting Cryptocurrency Users

Cybersecurity researchers today revealed a wide-ranging scam targeting cryptocurrency users that began as early as January last year to distribute trojanized applications to install a previously undetected remote access tool on target systems. Called ElectroRAT by Intezer, the RAT is written from...

ElectroRAT Drains Cryptocurrency Wallet Funds of Thousands

A new remote access tool RAT has been discovered being used in an extensive campaign. The attack has targeted cryptocurrency users in an attempt to collect their private keys and ultimately to drain their wallets. The never-before-seen RAT at the center of the campaign, which researchers dub...

SUNBURST Additional Technical Details

FireEye has discovered additional details about the SUNBURST backdoor since our initial publication on Dec. 13, 2020. Before diving into the technical depth of this malware, we recommend readers familiarize themselves with our blog post about the SolarWinds supply chain compromise, which revealed...

Sunburst: connecting the dots in the DNS requests

On December 13, 2020 FireEye published important details of a newly discovered supply chain attack. An unknown attacker, referred to as UNC2452 or DarkHalo planted a backdoor in the SolarWinds Orion IT software. This backdoor, which comes in the form of a .NET module, has some really interesting...

Additional Analysis into the SUNBURST Backdoor | McAfee Blogs

ARCHIVED STORY Additional Analysis into the SUNBURST Backdoor Christiaan Beek · DEC 17, 2020 Executive Summary There has been considerable focus on the recent disclosures associated with SolarWinds, and while existing analysis on the broader campaign has resulted in detection against specific IoC...

Ryuk, Egregor Ransomware Attacks Leverage SystemBC Backdoor

Commodity malware backdoor SystemBC has evolved to now automate a number of key activities, as well as use the anonymizing Tor platform. These overarching changes make it both easier for cybercriminals to deploy the backdoor, as well as cloak the destination of the command-and-control C2 traffic...

CVE-2020-27035

In priorLinearAllocation of C2AllocatorIon.cpp, there is a possible use-after-free due to improper locking. This could lead to local information disclosure in the media codec with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions:...

Highly Evasive Attacker Leverages SolarWinds Supply Chain to Compromise Multiple Global Victims With SUNBURST Backdoor

Executive Summary We have discovered a global intrusion campaign. We are tracking the actors behind this campaign as UNC2452. FireEye discovered a supply chain attack trojanizing SolarWinds Orion business software updates in order to distribute malware we call SUNBURST. The attacker’s post...

Sak1To-Shell - Multi-threaded C2 Server And Reverse Shell Client Written In Pure C

Multi-threaded c2 server and reverse TCP shell client written in pure C Windows. Command list: list: list available connections. interact id: interact with client. download filename: download a file from client. upload filename: upload a file to client. background: background client. exit:...

MoleRats APT Returns with Espionage Play Using Facebook, Dropbox

The MoleRats advanced persistent threat APT has developed two new backdoors, both of which allow the attackers to execute arbitrary code and exfiltrate sensitive data, researchers said. They were discovered as part of a recent campaign that uses Dropbox, Facebook, Google Docs and Simplenote for...

Hackers-For-Hire Group Develops New 'PowerPepper' In-Memory Malware

Cybersecurity researchers on Thursday disclosed details of a previously undiscovered in-memory Windows backdoor developed by a hacker-for-hire operation that can execute remotely malicious code and steal sensitive information from its targets in Asia, Europe, and the US. Dubbed "PowerPepper" by...