CARBANAK Week Part Two: Continuing the CARBANAK Source Code Analysis

Update April 30: Following the release of our four-part CARBANAK Week blog series, many readers have found places to make the data shared in these posts actionable. We have updated this post to include some of this information. In the previous installment, we wrote about how string hashing was us...

Cobalt Strike. Walkthrough for Red Teamers

What is Cobalt Strike? Raphael Mudge is the creator of Cobalt Strike CS, around 2010 he released a tool titled Armitage, which is described by wikipedia as a graphical cyber-attack management for the Metasploit Project, to put this more bluntly, Armitage is a gui that allows you to easily navigat...

Gustuff banking botnet targets Australia

Vitor Ventura authored this post. Executive summary Cisco Talos has uncovered a new Android-based campaign targeting Australian financial institutions. As the investigation progressed, Talos came to understand that this campaign was associated with the "ChristinaMorrow" text message spam scam...

Meet ‘TajMahal,’ A New and Highly Advanced APT Framework

SINGAPORE – Researchers at Kaspersky Lab have discovered a new, highly sophisticated advanced persistent threat APT framework targeting a single Central Asian diplomatic agency. Malware samples associated with the APT reveal a complex never-before-seen code base, making it extremely hard to detec...

Steganography in the Modern Attack Landscape

Steganography the hiding of data in other content types such as images, videos, network traffic etc. continues to play a role in modern attacks in several forms. Most uses of steganography in malware can be divided into two broad categories: concealing the actual malware contents and concealing t...

CVE-2019-11001

CVE-2019-11001 affects Reolink RLC-410W, C1 Pro, C2 Pro, RLC-422W, and RLC-511W through version 1.0.227. An authenticated admin can use the TestEmail functionality to inject and execute OS commands as root (shell metacharacters in addr1). This is documented in multiple feeds (NVD and Red Hat) and...

Threat Roundup for March 29 to April 5

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between March 29 and April 05. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral...

CB TAU Threat Intelligence Notification – Recent Emotet Campaign Leverages Phishing, PDFs & Droppers Impersonating Legitimate Applications

This past week, CB ThreatSight analysts were investigating suspicious events in an environment. This customer had installed the CB Defense sensor on a subset of systems in monitor only mode for evaluation. While investigating suspicious events, a CB ThreatSight analyst uncovered a new Emotet...

Threat Roundup for March 22 to March 29

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between March 22 and March 29. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral...

CB Threat Intelligence Notification: Vidar InfoStealer Trojan Aims to Steal Data Before Erasing Itself

Vidar is an info stealer trojan, which was sold under the name Vidar Pro stealer and can be distributed through different campaigns. This malware will perform multiple types of malicious behavior including stealing web browser cookies and history, digital wallets, two-factor authentication data,...

WinRAR Zero-day Abused in Multiple Campaigns

WinRAR, an over 20-year-old file archival utility used by over 500 million users worldwide, recently acknowledged a long-standing vulnerability in its code-base. A recently published path traversal zero-day vulnerability, disclosed in CVE-2018-20250 by Check Point Research, enables attackers to...

Threat Roundup for March 15 to March 22

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between March 15 and March 22. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral...

TAU Threat Intelligence Notification: Operation SharpShooter

Operation Sharpshooter, leverages an embedded shellcode as an in-memory implant to download and retrieve a second-stage implant, which is known as Rising Sun. Rising Sun uses source code from the Duuzer backdoor that has been used in a past campaign of Lazarus group. This newly discovered campaig...

A predatory tale: Who’s afraid of the thief?

In mid-February, Kaspersky Lab received a request for incident response from one of its clients. The individual who initially reported the issue to our client refused to disclose the origin of the indicator that they shared. What we do know is that it was a screenshot from one of the client's...

Cuteit v0.2.1 - IP Obfuscator Made To Make A Malicious Ip A Bit Cuter

IP obfuscator made to make a malicious ip a bit cuter A simple python tool to help you to social engineer, bypass whitelisting firewalls, potentially break regex rules for command line logging looking for IP addresses and obfuscate cleartext strings to C2 locations within the payload. All of that...

Necurs Botnet Evolves to Hide in the Shadows, with New Payloads

Necurs, the prolific and globally dispersed spam and malware distribution botnet, has been spotted using a fresh hiding technique to avoid detection while quietly adding more bots to its web. According to research from Black Lotus Labs, which is telecom and ISP provider CenturyLink’s network...

TAU Threat Intelligence Notification: DarkHydrus/RogueRobin

Recently, Palo Alto Unit 42 released an updated report regarding new DarkHydrus delivery documents, which includes the installation of an updated variant of the RogueRobin trojan. This document includes details on both DarkHydrus and RogueRobin, along with detection rules and search queries that...

Ramnit in the UK

By Asaf Nadler and Lior Lahav Ramnit is a family of trojans that allows attackers to remotely control infected machines, in order steal personal and banking information 1, and open backdoors to download additional malware 2. Initial versions of Ramnit appeared in late 2011 and infected more than...

Trickbot Malware Goes After Remote Desktop Credentials

The banking trojan known as Trickbot has resurfaced, with an updated info-stealing module that allows it to harvest remote desktop application credentials. According to Trend Micro’s Noel Anthony Llimos and Carl Maverick Pascual, a new variant has recently come on the scene, and is being spread v...

TAU Threat Intelligence Notification: Spear Phishing Targeting Italy

Summary This campaign is targeting users in Italy with spear phishing email containing malicious attachments. Figure 1: Emails with the malicious XLS attachment The image above show one of the sample has attached in multiple email that has been sent to email address with Italy ccTLD. The attached...