2023 – Page 4 – NetwerkLABS

BLUE TEAM Intrusion Detection and Response

Suricata rules to detect Web application attacks

Here are some examples of Suricata rules that can be used to detect web application attacks: 1. SQL Injection: alert http any any -> any any (msg:"SQL Injection Detected"; flow:established,to_server; content:"SELECT"; nocase; http_uri; pcre:"/(\%27)|(\')|(\-\-)|(\%23)|(#)/i"; classtype:web-application-attack; sid:100001;)…

Bharath Narayanasamy suricata

Security+

DNS Tunneling attacks

DNS tunneling is a technique used by attackers to bypass network security measures and exfiltrate data from a targeted network. It involves encapsulating unauthorized data within DNS (Domain Name System) queries or responses, allowing the attacker…

Bharath Narayanasamy attacks

Threat Intelligence

Investigate SQLi attacks using Splunk

Sure! Here are a few Splunk queries that can help detect web application attacks: Detecting SQL Injection Attacks: index=<your_index> sourcetype=<your_sourcetype> | search (request_uri=*' OR referer=*) AND (|inputlookup sql_injection_keywords.csv) Detecting Cross-Site Scripting (XSS) Attacks: index=<your_index> sourcetype=<your_sourcetype> |…

Bharath Narayanasamy splunk, SQLi

SOC Analyst

Cybersecurity playbook for SOC

Developing a comprehensive cybersecurity playbook for a Security Operations Center (SOC) requires a systematic approach to address various aspects of cybersecurity operations. Below is a suggested structure for a SOC playbook: 1. Introduction and Scope …

Bharath Narayanasamy SOC

Privilege Escalation

Linux Privilege Escalation Techniques

Linux privilege escalation techniques involve methods that allow a user to gain higher privileges or escalate their existing privileges to gain unauthorized access or perform actions they wouldn't typically be allowed to do. It's important to…

Bharath Narayanasamy Linux privesc

Threat Hunting Threat Detection and Incident Response

Splunk Threat Hunting – Windows Events

When performing threat hunting using Splunk on Windows systems, there are several important queries you can use to identify potential threats and security incidents. Here are some examples: Detecting Suspicious Processes: index=windows sourcetype="wineventlog:security" EventCode=4688 | where…

Bharath Narayanasamy splunk

Threat Detection and Incident Response

Windows Event IDs to monitor/investigation

SOC (Security Operations Center) teams typically monitor various Windows event IDs to detect and respond to security incidents. While the specific event IDs may vary depending on the organization's security policies and requirements, here are some…

Bharath Narayanasamy

Privilege Escalation

Privilege Escalation – WINDOWS

Post Exploit Enumeration # Basics systeminfo hostname systeminfo | findstr /B /C:"OS Name" /C:"OS Version" # Who am I? whoami echo %username% # What users/localgroups are on the machine? net users net localgroups net local groups…

Bharath Narayanasamy Windows PrivEsc

Enumeration

CrackMapExec Cheat Sheet

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Cisco ISE

Cisco ISE licensing

Cisco ISE licenses Source: Cisco Evaluation Cisco ISE, upon installation, grants a 90-day Evaluation license that supports 100 endpoints and enables all Cisco ISE features. You can set up a limited deployment in Evaluation mode and…

Bharath Narayanasamy ISE, Cisco