Looking Over the Nation-State Actors’ Shoulders

Looking over the nation-state actors’ shoulders: Even they have a difficult day sometimes By Trellix and Marc Elias · Febraury 17, 2022 Have you ever been curious about how nation-state actors operate and what their day-to-day work looks like? This blog reveals some of these details observed base...

Iranian state-sponsored APT group MuddyWater targeting organizations via malicious executables

THREAT LEVEL: Red. United States Cyber Command USCYBERCOM has warned of an ongoing cyber attack by Iranian state sponsored actor named as MuddyWater. This APT group is currently targeting Middle Eastern countries and has also targeted European and North American nations. The Iranian-backed...

Mageia: Security Advisory (MGASA-2022-0008)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

MoonBounce: New malware deployed by APT41 in UEFI firmware

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. MoonBounce is a new type of malware that hides in the most complex part of an Operating System OS, the Basic Input Output System BIOS chip, and thus persists even after reinstalling your OS or formatting your hard drive...

BRATA Android Trojan Updated with ‘Kill Switch’ that Wipes Devices

New variants of the BRATA banking trojan have been targeting global Android devices since November with advanced features, including the ability to wipe devices after stealing user data, tracking devices via GPS, and novel obfuscation techniques, researchers have found. The remote access trojan...

TrickBot Malware Using New Techniques to Evade Web Injection Attacks

The cybercrime operators behind the notorious TrickBot malware have once again upped the ante by fine-tuning its techniques by adding multiple layers of defense to slip past antimalware products. "As part of that escalation, malware injections have been fitted with added protection to keep...

Emotet Now Using Unconventional IP Address Formats to Evade Detection

Social engineering campaigns involving the deployment of the Emotet malware botnet have been observed using "unconventional" IP address formats for the first time in a bid to sidestep detection by security solutions. This involves the use of hexadecimal and octal representations of the IP address...

Emotet Spam Abuses Unconventional IP Address Formats to Spread Malware

We found waves of Emotet spam campaigns using unconventional IP addresses to evade detection...

New Ransomware Spotted: White Rabbit and Its Evasion Tactics

We analyze the ransomware White Rabbit and bring into focus the familiar evasion tactics employed by this newcomer...

Code injection

Imperva Web Application Firewall WAF before 2021-12-23 allows remote unauthenticated attackers to use "Content-Encoding: gzip" to evade WAF security controls and send malicious HTTP POST requests to web servers behind the WAF...

GHSA-QC9X-GJCV-465W Pipenv's requirements.txt parsing allows malicious index url in comments

Issue Summary Due to a flaw in pipenv's parsing of requirements files, an attacker can insert a specially crafted string inside a comment anywhere within a requirements.txt file, which will cause victims who use pipenv to install the requirements file e.g. with "pipenv install -r requirements.txt...

Updated suricata packages fix security vulnerability

Critical evasion in suricata CVE-2021-35063...

MGASA-2022-0008 Updated suricata packages fix security vulnerability

Critical evasion in suricata CVE-2021-35063...

Mortar - Evasion Technique To Defeat And Divert Detection And Prevention Of Security Products (AV/EDR/XDR)

red teaming evasion technique to defeat and divert detection and prevention of security products.Mortar Loader performs encryption and decryption of selected binary inside the memory streams and execute it directly with out writing any malicious indicator into the hard-drive. Mortar is able to...

‘Malsmoke’ Exploits Microsoft’s E-Signature Verification

Threat actors are exploiting Microsoft’s digital signature verification to steal user credentials and other sensitive information by delivering the ZLoader malware, which previously has been used to distribute Ryuk and Conti ransomware, researchers have found. Researchers at Check Point Research...

CVE-2021-22567

Technical details about CVE-2021-22567 are not provided in the supplied documents. Monitor for updates from connected sources.

Purple Fox Rootkit Dropped by Malicious Telegram Installers

A malicious Telegram instant-messaging app installer scurries past a slew of antivirus AV engines to deliver Purple Fox malware, evading detection by separating the attack into bite-sized morsels that fly under the radar. In a Monday report, Minerva Labs said that the attack evades detection by A...

Ongoing Autom Cryptomining Malware Attacks Using Upgraded Evasion Tactics

An ongoing crypto mining campaign has upgraded its arsenal while evolving its defense evasion tactics that enable the threat actors to conceal the intrusions and fly under the radar, new research published today has revealed. Since first detected in 2019, a total of 84 attacks against its honeypo...

Code injection

Sandbox component in Avast Antivirus prior to 20.4 has an insecure permission which could be abused by local user to control the outcome of scans, and therefore evade detection or delete arbitrary system files...

Rook: New Ransomware in the market scavenges code from Babuk

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. Security researchers found new ransomware dubbed as Rook that reuses the code from Babuk which was released earlier. It was initially seen on VirusTotal on November 26th and pwned its first victim, a Kazkh financial...