Threat Roundup for September 27 to October 4

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Sept. 27 and Oct. 4. 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 characteristics...

Persistence – Registry Run Keys

Getting an initial foothold inside a network during a red team operation is a time consuming task. Therefore persistence is key to a successful red team operation as will enable the team to focus on the objectives of the engagement without losing the communication with the command and control...

Masad Spyware Uses Telegram Bots for Command-and-Control

A freshly discovered commercial spyware dubbed the “Masad Clipper and Stealer” is using Telegram bots as its command-and-control C2 hub. Masad harvests information from Windows and Android users and also comes with a full cadre of other malicious capabilities, including the ability to steal...

GandCrab Operators Resurface with REvil Malware

The malware that hit 22 Texas municipalities and various dentist offices around the country recently is likely the work of the crew behind the GandCrab ransomware – indicating that the group didn’t really retire after all. In late May, the GandCrab operators said they decided to ride off into the...

Astaroth Spy Trojan Uses Facebook, YouTube Profiles to Cover Tracks

Facebook and YouTube profiles are at the heart of an ongoing phishing campaign spreading the Astaroth trojan, bent on the eventual exfiltration of sensitive information. The attack is sophisticated in that it uses normally trusted sources as cover for malicious activities – thus evading usually...

PsiXBot Adds PornModule, Google DNS Service to Its Arsenal

The PsiXBot malware has made a few changes in recent weeks, including implementing Google’s DNS over HTTPS DoH and adding the blackmail-ready “PornModule” to its bag of tricks. PsiXBot is a multi-use Windows malware that has a range of capabilities, including keylogging, stealing passwords and...

New Malware Uses Windows BITS Service to Stealthy Exfiltrate Data

Cybersecurity researchers have discovered a new computer virus associated with the Stealth Falcon state-sponsored cyber espionage group that abuses a built-in component of the Microsoft Windows operating system to stealthily exfiltrate stolen data to attacker-controlled server. Active since 2012,...

CB TAU Threat Intelligence Notification: State-Sponsored Espionage Group Targeting Multiple Verticals with ‘Crosswalk’

FireEye recently reported on APT41, a Chinese state-sponsored espionage group. The group has been documented as targeting healthcare, high-tech, and telecommunications companies for traditional corporate espionage purposes. Additionally this group has also targeted companies in the video game...

Unprecedented new iPhone malware discovered

A post by Ian Beer of Google Project Zero released late yesterday evening sent the security community reeling. According to Beer, a small set of websites had been hacked in February and were being used to attack iPhones, infecting them with malware. These sites, which see thousands of visitors pe...

iPhone Zero-Days Anchored Watering-Hole Attacks

A total of 14 iPhone vulnerabilities – including two that were zero-days when discovered — have been targeted by five exploit chains in a watering hole attack that has lasted years. The watering holes deliver a spyware implant that can steal private data like iMessages, photos and GPS location in...

Implant Teardown

Posted by Ian Beer, Project Zero In the earlier posts we examined how the attackers gained unsandboxed code execution as root on iPhones. At the end of each chain we saw the attackers calling posixspawn, passing the path to their implant binary which they dropped in /tmp. This starts the implant...

TrickBot Targets Verizon, T-Mobile, Sprint Users to Siphon PINs

The TrickBot malware, known previously for targeting U.S. banks, is now setting a bullseye on users of U.S.-based mobile carriers, including Verizon Wireless, T-Mobile and Sprint, to launch SIM swapping attacks. Researchers with Dell’s Secureworks research team warned that they have observed the...

Covenant - A .NET Command And Control Framework For Red Teamers

Covenant is a .NET command and control framework that aims to highlight the attack surface of .NET, make the use of offensive .NET tradecraft easier, and serve as a collaborative command and control platform for red teamers. Covenant is an ASP.NET Core, cross-platform application that includes a...

The Shady Secrets of Shadow Networks

Shadow networks are side channels to traditional networks, undetected and working quietly in the background alongside what the traditional network was designed to do. Command and Control sometimes referred to as C2 servers maintain links with compromised end points IoT, PCs, Printers etc within a...

Spyware App on Google Play Gets Boot, Returns Days Later

A music-streaming app offered on Google Play, harboring spyware that stole victims’ contacts, files and SMS messages, made its way onto the official Android app marketplace not once, but twice. The spyware was hidden in an app called Radio Balouch also known as RB Music. The app itself was actual...

goDoH - A DNS-over-HTTPS C2

godoh is a proof of concept Command and Control framework, written in Golang, that uses DNS-over-HTTPS as a transport medium. Currently supported providers include Google, Cloudflare but also contains the ability to use traditional DNS. Installation All you would need are the godoh binaries...

Threat Roundup for August 9 to August 16

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Aug. 9 and Aug. 16. 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 characteristics,...

DEF CON 2019: MacOS Gets a Malware Beatdown in Attack Demo

LAS VEGAS – On Friday, Mac security researcher Patrick Wardle showed how an attacker can repurpose someone else’s Mac malware, create false attribution flags and sidestep Mac anti-malware defenses with ease. The attack scenarios were his own and meant to serve as cautionary examples and reasons w...

Android Ransomware Spreads Via 'Sex Simulation Game' Links on Reddit, SMS

Researchers are warning of a new Android ransomware being spread via links in online forums and SMS messages. The malicious links purport to connect back to a sex simulation game, but in reality lead to ransomware that encrypts victims’ files. The Android ransomware, dubbed Android/Filecoder.C, h...

Trend Micro Deep Discovery Inspector IDS - Security Bypass Exploit

Credits: John Page aka hyp3rlinx Vendor www.trendmicro.com Product Deep Discovery Inspector Deep Discovery Inspector is a network appliance that monitors all ports and over 105 different network protocols to discover advanced threats and targeted attacks moving in and out of the network and...