Bharath Narayanasamy

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

Breaching AD

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

Views: 39Active 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: 24Cyber 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

Snort 101

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Views: 13Intrusion Detection System (IDS) IDS is a passive monitoring solution for detecting possible malicious activities/patterns, abnormal incidents, and policy violations. It is responsible for generating alerts for each suspicious event.  There are two main types of IDS systems; Intrusion Prevention System (IPS) IPS is an active protecting solution for preventing possible malicious activities/patterns, abnormal incidents, and policy violations. … Read more

Practical Threat Hunting using Elastic SIEM: Hunting for Stuxbot

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This entry is part 11 of 17 in the series Threat Detection Engineering

Views: 172Based 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 13 in the series Incident Response and Forensics

Views: 13NetworkMiner 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 13 in the series Incident Response and Forensics

Views: 18Source: 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

Analysis with Wireshark

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This entry is part 9 of 13 in the series Incident Response and Forensics

Views: 18TShark VS. Wireshark (Terminal vs. GUI) TShark is a purpose-built terminal tool based on Wireshark. TShark shares many of the same features that are included in Wireshark and even shares syntax and options. TShark is perfect for use on machines with little or no desktop environment and can easily pass the capture information it … Read more

TCPDump

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Views: 10Locate tcpdump Install TCPdump Tcpdump Version Validation TCPDump will resolve IPs to hostnames by default. Traffic Captures with Tcpdump Basic Capture Options Switch Command Result D Will display any interfaces available to capture from. i Selects an interface to capture from. ex. -i eth0 n Do not resolve hostnames. nn Do not resolve hostnames … Read more