Bharath Narayanasamy

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

Windows Event Logs

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This entry is part 12 of 18 in the series Incident Response and Forensics

Views: 31Windows logon types and logon codes Logs with event IDs 4624 and 4625 are generated every time there is a successful or failed logon on a local computer, respectively.  In Windows, there are several ways a logon can occur locally, and remotely.  Logon Type Numeric Identifier Description Logon Right Used only by the system … Read more

Wireshark 101 | Packet Operations

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This entry is part 9 of 18 in the series Incident Response and Forensics

Views: 4Wireshark: Packet Operations Statistics | Summary This menu provides multiple statistics options ready to investigate to help users see the big picture in terms of the scope of the traffic, available protocols, endpoints and conversations, and some protocol-specific details like DHCP, DNS and HTTP/2. For a security analyst, it is crucial to know how to … Read more

SOC Tools and Useful Links

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This entry is part 10 of 21 in the series Threat Detection Engineering

Views: 211- IP & URL Reputation 1. Virus Total : https://www.virustotal.com/gui/home/upload2. URL Scan : https://urlscan.io/3. AbuseIPDB: https://www.abuseipdb.com/4. Cisco Talos: https://www.talosintelligence.com/5. IBM X-Force: https://lnkd.in/gt8iyHE56. URL Filtering(Palo Alto): https://lnkd.in/e4bkm5Eq7. URL Filtering(Symantec): https://lnkd.in/g4qQGsHG8. IP Void: https://www.ipvoid.com/9. URL Void: https://www.urlvoid.com/ 2- File | Hash | Search | Analysis | Sandboxing 1. File Extension >>https://filesec.io/# 2. LOLBAS >>https://lnkd.in/dDa8XgiM 3. GTFOBins >>https://lnkd.in/dRVzVz87 4. File Hash Check >> https://lnkd.in/gNqxtn4d 5. Hash Search … Read more

ELASTIC SIEM: Kibana Query Language (KQL) 

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This entry is part 11 of 21 in the series Threat Detection Engineering

Views: 46Different Syntax Languages Kibana supports two types of syntax languages for querying in Kibana: KQL (Kibana Query Language) and Lucene Query Syntax. Special Characters Certain characters are reserved in ELK queries and must be escaped before usage. Reserved characters in ELK include +, -, =, &&, ||, &, | and !. For instance, using the + character in a query will result in an error; to escape this character, precede it with … Read more

MITRE Framework

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This entry is part 9 of 21 in the series Threat Detection Engineering

Views: 20MITRE ATT&CK Navigator https://mitre-attack.github.io/attack-navigator MITRE D3FEND https://d3fend.mitre.org MITRE ENGAGE MITRE Engage MITRE Engage Matrix ATT&CK Emulation Plans https://mitre-engenuity.org Center of Threat-Informed Defense (CTID) Cyber Analytics Repository https://car.mitre.org

Shodan 101

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This entry is part 2 of 4 in the series Instrusion Detection and Prevention

Views: 17Shodan is a search engine for Internet-connected devices.It lets users search for various types of servers (webcams, routers, servers, etc.) connected to the internet using a variety of filters.Some have also described it as a search engine of service banners, which is metadata that the server sends back to the client.This can be information … Read more

GOAD v2 Installation

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

Views: 76Game Of Active Directory The following steps explain the procedure to setup the GOADv2 LAB environment to pentest Active Directory. Warning This lab is extremely vulnerable, do not reuse recipe to build your environment and do not deploy this environment on internet without isolation (this is a recommendation, use it as your own risk). This … Read more

DFIR: Core Windows Processes

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Forensics_001
This entry is part 2 of 18 in the series Incident Response and Forensics

Views: 25Reference: TryHackMe Room “Core Windows Processes” Core Windows Processes Understanding how the Windows operating system functions as a defender is vital.  Task Manager doesn’t show a Parent-Child process view. That is where other utilities, such as Process Hacker and Process Explorer, come to the rescue. Process Hacker Process Explorer Command-line equivalent of obtaining information about the running … Read more

Remotely Upgrading Wazuh Agents – CLI Method

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This entry is part 1 of 5 in the series Wazuh - SIEM and XDR

Views: 48To upgrade agents using the command line, use the agent_upgrade tool as follows: List all the agents with outdated software: [root@wazuh-server wazuh-user]# /var/ossec/bin/agent_upgrade -lID    Name                                Version                   001   zyberpatrol-pdc                     Wazuh v4.7.1    Upgrade the agent with ID 001 using the ‘-a’ parameter followed by the agent ID: [root@wazuh-server wazuh-user]# /var/ossec/bin/agent_upgrade -a 001 Upgrading… Upgraded agents:       Agent 001 upgraded: Wazuh v4.7.1 … Read more

L4 – L7 Load Balancing

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This entry is part 3 of 3 in the series F5 Local Traffic Manager (LTM)

Views: 37 Load Balancers Despite the name, a Load Balancer does not only balance the load: some of its core functionalities are: L4 to L7 Network Services Definition L4-L7 Network Services Definition are a set of functions such as: load balancing, web application firewalls, service discovery, and monitoring for network layers within the Open Systems Interconnection (OSI) model. … Read more