Detecting and Visualizing Lateral Movement Attacks with Trellix Helix Connect - Part 2

Detecting and Visualizing Lateral Movement Attacks with Trellix Helix Connect - Part 2 By Maulik Maheta · May 21, 2023 This blog was also written by Chintan Shah Executive summary In the part 1 of this series we discussed in depth about the known Lateral movement attacks like abusing weak service...

Escalating China-Taiwan Tensions Fuel Alarming Surge in Cyber Attacks

The rising geopolitical tensions between China and Taiwan in recent months have sparked a noticeable uptick in cyber attacks on the East Asian island country. "From malicious emails and URLs to malware, the strain between China's claim of Taiwan as part of its territory and Taiwan's maintained...

CISA and Partners Disclose Snake Malware Threat From Russian Cyber Actors

Today, CISA and partners released a joint advisory for a sophisticated cyber espionage tool used by Russian cyber actors. Hunting Russian Intelligence “Snake” Malware provides technical descriptions of the malware’s host architecture and network communications, and mitigations to help detect and...

Akamai Announces Advanced Bot Detections, Global Recognition of Entities

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Port scan attacks: Protecting your business from RDP attacks and Mirai botnets

Compromised IP addresses and domains--otherwise legitimate sites that are exploited by hackers without the owner's knowledge--are frequently utilized to conduct port scanning attacks. Port scanning involves systematically scanning a computer network for open ports, which can then be exploited by...

Lazarus Group Likely Using New WinorDLL64 Backdoor to Exfiltrate Sensitive Data

A new backdoor associated with a malware downloader named Wslink has been discovered, with the tool likely used by the notorious North Korea-aligned Lazarus Group, new findings reveal. The payload, dubbed WinorDLL64 by ESET, is a fully-featured implant that can exfiltrate, overwrite, and delete...

K54150332: ASP.NET x-up-devcap-post-charset header security exposure

Security Advisory Description An attacker may be able to evade ASM detections by including the x-up-devcap-post-charset header when sending requests to an ASP.NET application, to craft a request payload with language encoding that is not supported by BIG-IP ASM/Advanced WAF, and is different to...

SUSE CVE-2016-10728

An issue was discovered in Suricata before 3.1.2. If an ICMPv4 error packet is received as the first packet on a flow in the toclient direction, it confuses the rule grouping lookup logic. The toclient inspection will then continue with the wrong rule group. This can lead to missed detection...

VMware vRealize Log Insight Detection Consolidation

Consolidation of VMware vRealize Log Insight detections. SPDX-FileCopyrightText: 2023 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 include"pluginfeedinfo.inc"; if...

XDR, the Beatles, and Blunt Instruments

Sometimes tools are blunt because there’s nothing else. Regarding economic controls for example, Fed Chair Jerome Powell said: “We have essentially interest rates, the balance sheet and forward guidance. They are famously blunt tools, they are not capable of surgical precision." Others are blunt...

GuLoader: The NSIS Vantage Point

GuLoader: The NSIS Vantage Point By Nico Paulo Yturriaga · January 24, 2023 GuLoader is an advanced shellcode downloader infamous for using anti-analysis tricks to evade detection and obstruct reverse engineering. As of this writing, the GuLoader campaign is aggressively ongoing. Trellix’s...

CVE-2022-41080, CVE-2022-41082: Rapid7 Observed Exploitation of `OWASSRF` in Exchange for RCE

Emergent threats evolve quickly, and as we learn more about this vulnerability, this blog post will evolve, too. Beginning December 20, 2022, Rapid7 has responded to an increase in the number of Microsoft Exchange server compromises. Further investigation aligned these attacks to what CrowdStrike...

Dissecting the Empire C2 Framework

Introduction In this blog we will be taking a quick dive into Empire, a popular open-source post-exploitation framework. Empire provides an adversary with the capability to expand his foothold in a victim’s environment by leveraging hundreds of modules, RATs in multiple languages and stealthy C2...

Defenders beware: A case for post-ransomware investigations

Ransomware is one of the most pervasive threats that Microsoft Detection and Response Team DART responds to today. The groups behind these attacks continue to add sophistication to their tactics, techniques, and procedures TTPs as most network security postures increase. In this blog, we detail a...

Eternity Group Hackers Offering New LilithBot Malware-as-a-Service to Cybercriminals

The threat actor behind the malware-as-a-service MaaS known as Eternity Group has been linked to new piece of malware called LilithBot. "It has advanced capabilities to be used as a miner, stealer, and a clipper along with its persistence mechanisms," Zscaler ThreatLabz researchers Shatak Jain an...

Cyber Tools and Foreign Policy: A False Flag Chinese “APT” and Nancy Pelosi’s Visit to Taiwan

Cyber Tools and Foreign Policy: A False Flag Chinese “APT” and Nancy Pelosi’s Visit to Taiwan By Anne An · September 29, 2022 Preface U.S. House Speaker Nancy Pelosi’s visit to Taiwan led to an aftershock across the Taiwan Strait and through the Asia Pacific region. Immediately after Pelosi’s...

Exploits and TrickBot disrupt manufacturing operations

September 2021 saw a huge spike of exploit detections against the manufacturing industry, with a distributed spread between California, Florida, Ohio, and Missouri. This is combined with heavy detections of unseen malware, identified through our AI engine, spiking in May as well as September 2021...

Summer of exploitation leads to healthcare under fire

May 2021 was a tough month for the Healthcare and Medical sector-the most notable threat trend at the time was the heavy use of a new popular exploit against Dell systems, leading to immense effort by attackers to utilize the exploit before it became less effective due to patching. During this...

Graylog Detection Consolidation

Consolidation of Graylog detections. Copyright C 2022 Greenbone Networks GmbH 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-or-later This program is free software; you can redistribute it...

Simplify SIEM Optimization With InsightIDR

Two key ways InsightIDR helps customers tailor reporting, detection, and response — without any headaches For far too many years, security teams have accepted that with a SIEM comes compromise. You could have highly tailored and custom rule sets, but it meant endless amounts of tuning and...