Unknown 'WildPressure' Malware Campaign Lets Off Steam in Middle East

A malware campaign that shares no known similarities to previous attacks has been uncovered, targeting organizations in the Middle East. Dubbed “WildPressure,” the campaign used a previously unknown malware that researchers named Milum, after the C++ class names inside the code. According to...

Loda RAT Grows Up

By Chris Neal. Over the past several months, Cisco Talos has observed a malware campaign that utilizes websites hosting a new version of Loda, a remote access trojan RAT written in AutoIT. These websites also host malicious documents that begin a multi-stage infection chain which ultimately serve...

Platinum APT Shines Up New Titanium Backdoor

APT threat group Platinum has a shiny new plaything: A custom trojan backdoor dubbed Titanium. The backdoor’s name, aside from keeping with the silvery metal theme, comes from password to one of the self-executable archives found in the code. According to Kaspersky researchers who analyzed the...

UPDATE: Covenant v0.4

Yesterday, Covenant v0.4 was released. My last about Covenant was titled Covenant v0.3.2. Majorly, this version provides options that allow developers to integrate custom C2 communication protocols into an operation within Covenant. This version really makes the development of new listeners is mu...

Virus Bulletin 2019: Geost Android Botnet Goes After Millions of Euros

LONDON — A powerful Android botnet dubbed Geost has been spotted targeting Russian citizens, with the end goal of distributing a banking trojan to victims. The botnet has infected more than 800,000 Android devices, controlling several million Euros held in five banks, according to researchers fro...

ViceLeaker Operation: mobile espionage targeting Middle East

In May 2018, we discovered a campaign targeting dozens of mobile Android devices belonging to Israeli citizens. Kaspersky spyware sensors caught the signal of an attack from the device of one of the victims; and a hash of the APK involved Android application was tagged in our sample feed for...

Sorpresa! JasperLoader targets Italy with a new bag of tricks

Nick Biasini and Edmund Brumaghin authored this blog post. Executive summary Over the past few months, a new malware loader called JasperLoader has emerged that targets Italy and other European countries with banking trojans such as Gootkit. We recently released a comprehensive analysis of the...

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...

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...

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...

TAU Threat Intelligence Notification – Crypt0r Ransomware

Summary Crypt0r ransomware is a new strain of ransomware that operates similar to WannaCry and NotPetya. When executed, it first checks for a hardcoded mutex value, and if it isn’t found, creates it as “crypt0r-mutex”. It then retrieves the temporary path of the currently logged in user, and...

Sofacy APT Takes Aim with Novel 'Cannon' Trojan

The Sofacy APT group is back, with a new second-stage custom malware payload that researchers have dubbed “Cannon.” A campaign against several government entities around the globe, including in North America, Europe and a former Soviet state, came in waves during late October and early November,...

OilRig APT Continues Its Ongoing Malware Evolution

OilRig, an APT group believed to have ties to Iran, has been spotted in yet another campaign in the Middle East – this time targeting victims within an undisclosed government using an evolved variant of the BondUpdater trojan. The group, which is also called Cobalt Gypsy, Crambus, Helix Kitten or...

Ibombshell - Dynamic Remote Shell

ibombshell is a tool written in Powershell that allows you to have a prompt at any time with post-exploitation functionalities and in some cases exploitation. It is a shell that is downloaded directly to memory providing access to a large number of pentesting features. These functionalities can b...

New Malware Family Uses Custom UDP Protocol for C&C Communications

Security researchers have uncovered a new highly-targeted cyber espionage campaign, which is believed to be associated with a hacking group behind KHRAT backdoor Trojan and has been targeting organizations in South East Asia. According to researchers from Palo Alto, the hacking group, which they...

Forgot About Default Accounts? No Worries, GoScanSSH Didn’t

This blog post was authored by Edmund Brumaghin, Andrew Williams, and Alain Zidouemba. Executive Summary During a recent Incident Response IR engagement, Talos identified a new malware family that was being used to compromise SSH servers exposed to the internet. This malware, which we have named...

Covert Data Channel in TLS Dodges Network Perimeter Protection

Researchers have released a proof-of-concept framework for a new covert channel for data exchange using the Transport Layer Security TLS protocol. The method exploits the public key certificate standard X.509 and could allow for post-intrusion C2 communication and data exfiltration to go unnotice...

WebSocket C2 Communication Channel: WSC2

WSC2 is a PoC of using the WebSockets and a browser process to serve as a C2 communication channel between an agent, running on the target system, and a controller acting as the actuel C2 server. WSC2 is composed of: a controller, written in Python, which acts as the C2 server an agent running on...

HawkEye Credential Theft Malware Distributed in Recent Phishing Campaign

A wide variety of threat actors began distributing HawkEye malware through high-volume email campaigns after it became available for purchase via a public-facing website. The actors behind the phishing campaigns typically used email themes based on current events and media reports that would piqu...

Threat actors leverage EternalBlue exploit to deliver non-WannaCry payloads

The “EternalBlue” exploit MS017-010 was initially used by WannaCry ransomware and Adylkuzz cryptocurrency miner. Now more threat actors are leveraging the vulnerability in Microsoft Server Message Block SMB protocol – this time to distribute Backdoor.Nitol and Trojan Gh0st RAT. FireEye Dynamic...