Bharath Narayanasamy

MCSE, CCSA, eJPTv2, Security+, CCNA, Azure Certified

High-Risk Vulnerabilities in ConnectWise ScreenConnect and Remediation procedure

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Views: 64On February 19, 2024 ConnectWise disclosed two vulnerabilities in their ScreenConnect remote access software. Both vulnerabilities affect ScreenConnect 23.9.7 and earlier. Affected Products: ScreenConnectSeverity: CriticalPriority: 1 – High ScreenConnect is popular remote access software used by many organizations globally. There appear to be some 8,500+ instances of ScreenConnect exposed to the public internet. Severity … Read more

AD Fundamentals

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This entry is part 2 of 3 in the series Attack and Defend Active Directory

Views: 20Ransomware operators have been increasingly targeting Active Directory as a key part of their attack paths. The Conti Ransomware which has been used in more than 400 attacks around the world has been shown to leverage recent critical Active Directory flaws such as PrintNightmare (CVE-2021-34527) and Zerologon (CVE-2020-1472) to escalate privileges and move laterally in a target network.

Breaching AD

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This entry is part 1 of 3 in the series Attack and Defend Active Directory

Views: 43Active Directory (AD) is used by approximately 90% of the Global Fortune 1000 companies. If an organisation’s estate uses Microsoft Windows, you are almost guaranteed to find AD. Microsoft AD is the dominant suite used to manage Windows domain networks. However, since AD is used for Identity and Access Management of the entire estate, … Read more

Cyber Kill Chain

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Views: 25Cyber Kill Chain Official Page: https://www.lockheedmartin.com/en-us/capabilities/cyber/cyber-kill-chain.html Cyber Kill Chain is a framework created by Lockheed Martin in 2011 and used to model the attacks of attackers. Within this framework, attacker behaviors and the whole cyber attack process consists of 7 steps that follow one another.  Cyber Kill Chain is important for the SOC analyst to … Read more

Practical Threat Hunting using Elastic SIEM: Hunting for Stuxbot

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This entry is part 8 of 21 in the series Threat Detection Engineering

Views: 222Based on the INTRODUCTION TO THREAT HUNTING & HUNTING WITH ELASTIC module from HTB-Academy Hunting for Stuxbot The Stuxbot cybercrime group operates with a broad scope, seizing upon opportunities as they arise, without any specific targeting strategy – their motto seems to be anyone, anytime.  The primary motivation behind their actions appears to be espionage … Read more

Netminer

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This entry is part 4 of 18 in the series Incident Response and Forensics

Views: 22NetworkMiner Capability Description Traffic sniffing It can intercept the traffic, sniff it, and collect and log packets that pass through the network. Parsing PCAP files It can parse pcap files and show the content of the packets in detail. Protocol analysis It can identify the used protocols from the parsed pcap file. OS fingerprinting It can identify … Read more

Introduction to Network Forensics

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This entry is part 3 of 18 in the series Incident Response and Forensics

Views: 20Source: Tryhackme Networkminer room Introduction to Network Forensics Network Forensics is a specific subdomain of the Forensics domain, and it focuses on network traffic investigation. Network Forensics discipline covers the work done to access information transmitted by listening and investigating live and recorded traffic, gathering evidence/artefacts and understanding potential problems.  The investigation tries to … Read more