Web3 Integration: The Future of Decentralized Internet - Related to future, posts, soc-, ctf, internet

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Web3 Integration: The Future of Decentralized Internet

Web3 represents the next phase of the internet, shifting from centralized control to a decentralized, blockchain-powered ecosystem. This transition aims to enhance security, user control, and transparency, making digital interactions more independent from big tech corporations. As industries explore blockchain, cryptocurrencies, and smart contracts, Web3 is revolutionizing finance, gaming, social media, and content creation. In this guide, we’ll break down Web3 integration, its benefits, and how businesses can leverage this technology.

✅ Web3 is the decentralized evolution of the internet, powered by blockchain technology.

✅ Moves away from centralized platforms like Google and Facebook, giving individuals control over data.

✅ Relies on smart contracts, decentralized applications (dApps), and cryptocurrencies.

✅ Decentralization: No single entity controls data or transactions.

✅ Blockchain Security: Data is stored across multiple nodes, reducing hacking risks.

✅ User Ownership: Individuals own digital assets, verified through blockchain technology.

✅ Smart Contracts: Automate transactions without intermediaries.

✅ Tokenization: Digital assets (NFTs, cryptocurrencies) create new monetization opportunities.

✅ individuals retain control over personal data instead of relying on third-party corporations.

✅ Cryptographic security reduces risks of data breaches and fraud.

✅ Eliminates the need for centralized data storage, reducing hacking vulnerabilities.

B. Financial Independence with Cryptocurrencies.

✅ Web3 enables peer-to-peer transactions, reducing reliance on banks.

✅ Cryptocurrencies like Bitcoin and Ethereum offer fast, secure, and low-fee payments.

✅ Businesses can integrate crypto payments, DeFi (Decentralized Finance), and smart contracts.

C. New Business Models & Monetization Strategies.

✅ NFTs (Non-Fungible Tokens): Allow creators to sell unique digital assets.

✅ Play-to-Earn Gaming: Gamers earn rewards through blockchain-based games.

✅ Decentralized Social Media: Platforms like Lens Protocol empower clients with tokenized engagement.

✅ Unlike traditional web platforms, Web3 prevents content censorship.

✅ Decentralized apps (dApps) operate transparently, with open-source code.

✅ individuals participate in governance through DAOs (Decentralized Autonomous Organizations).

✅ Enable Bitcoin, Ethereum, and stablecoin payments for e-commerce and digital services.

✅ Use crypto payment gateways like Coinbase Commerce, BitPay, and MetaMask.

✅ Reduce transaction fees compared to traditional payment methods.

B. Developing dApps (Decentralized Applications).

✅ Create blockchain-powered applications that don’t rely on central servers.

✅ Utilize Ethereum, Solana, or Binance Smart Chain for smart contract functionality.

✅ dApps improve security, transparency, and user ownership.

✅ Automate transactions without intermediaries, reducing fraud.

✅ Use smart contracts for supply chain management, digital identity, and real estate.

✅ Platforms like Ethereum, Polygon, and Avalanche offer robust smart contract functionality.

✅ Sell digital assets like art, music, and virtual real estate using NFTs.

✅ Implement token-gated memberships and .

✅ Marketplaces like OpenSea and Rarible enable NFT trading and integration.

E. Adopting Decentralized Identity Solutions.

✅ Replace traditional logins with blockchain-based identity verification.

✅ individuals control credentials without relying on third-party authentication systems.

✅ Platforms like Civic and Sovrin enhance privacy and security.

✅ Current blockchain networks struggle with transaction speeds and gas fees.

✅ Layer 2 solutions like Polygon and Optimism help improve scalability.

✅ Ongoing upgrades (Ethereum [website] aim to enhance network efficiency.

✅ Governments are still defining legal frameworks for blockchain and crypto transactions.

✅ Businesses must comply with KYC (Know Your Customer) and AML (Anti-Money Laundering) regulations.

✅ Clearer policies will drive mainstream Web3 adoption.

✅ Web3 technology requires education and technical knowledge for mass adoption.

✅ Businesses should prioritize user-friendly interfaces to bridge the knowledge gap.

✅ Virtual worlds like Decentraland and The Sandbox use Web3 for ownership verification.

✅ Blockchain-based metaverses enable NFT land ownership, digital events, and play-to-earn models.

✅ The rise of AI and VR will further enhance Web3 experiences.

✅ AI will improve personalization, security, and automation within decentralized apps.

✅ Machine learning models can optimize smart contract execution and fraud detection.

✅ AI-driven analytics will refine Web3 marketing and customer engagement strategies.

✅ Mainstream brands like Nike, Starbucks, and Meta are investing in Web3.

✅ Simplified wallet solutions and blockchain domains ([website], .crypto, .eth) will drive usability.

✅ Web3 browsers and integrations will bridge the gap between traditional web and blockchain.

Web3 integration is reshaping how businesses operate, how customers interact online, and how digital assets are owned. As blockchain technology evolves, adopting Web3 strategies can provide businesses with enhanced security, financial independence, and innovative customer engagement opportunities.

While challenges exist, ongoing advancements in scalability, regulations, and user experience will drive wider adoption. The transition from Web2 to Web3 is already underway—is your business ready to embrace the decentralized future?

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Splunk Boss of the SOC- Corelight trickbot ctf

Hello everyone! It's been a while since I last posted but you know it's superior later than never. 😏.

During this time, I came across the following challenge: Corelight trickbot ctf.

Spoiler alert ➡️You need to create an account first. You'll then discover more "games" and learning rooms. I was grateful when I discovered this site, because it teaches you how to use Splunk SIEM in a more advanced way. It's totally worth it!

Now let's dive into Corelight Partner Experience! 😎.

101. How many total Suricata alerts were generated in this index?

index="corelight" sourcetype=* "suricata" | dedup sourcetype | table sourcetype Enter fullscreen mode Exit fullscreen mode.

index="corelight"sourcetype="corelight_suricata_corelight" Enter fullscreen mode Exit fullscreen mode.

102. Most of the alerts are being generated by a single source host. What is its IP address?

index="corelight" sourcetype="corelight_suricata_corelight" Enter fullscreen mode Exit fullscreen mode.

103. What's the name of the malware family identified by these alerts?

index="corelight" sourcetype="corelight_suricata_corelight" alert.signature="ET MALWARE Win32/Trickbot Data Exfiltration" Enter fullscreen mode Exit fullscreen mode.

104. Let's take a closer look at the "ET MALWARE Win32/Trickbot Data Exfiltration" alerts. You'll notice that three of the alerts share a single UID, meaning they all occured on a single TCP stream. What is that UID?

index="corelight" sourcetype="corelight_suricata_corelight" "Win32/Trickbot Data Exfiltration" Enter fullscreen mode Exit fullscreen mode.

Note: The UID (Unique Identifier) in this context is used to uniquely identify a specific TCP stream or connection. When multiple alerts share the same UID, it means they are part of the same network communication session. This can be useful for correlating related events and understanding the full scope of an attack or suspicious activity.

105. What is the IP address of the malicious server involved in the alerts for this stream?

index="corelight" sourcetype="corelight_suricata_corelight" "alert.signature"="ET MALWARE Win32/Trickbot Data Exfiltration" uid=CAoNRI62m9CRqS0R2 | table src, dest Enter fullscreen mode Exit fullscreen mode.

106. What layer 7 protocol is the traffic in the previous question flowing over that generates the alerts?

That's intended to be the application involved in the event. For example, a user attempting to login to an SSH service would be an example of an authentication event, and the "app" would be "SSH" or "SSHD" or something along those lines.

107. Taking the UID mentioned in the previous question and searching for it across the index, we see that a corelight_notice log was also generated. What is the number of the MITRE ATT&CK TTP referenced in the notice?

index="corelight" CAoNRI62m9CRqS0R2 sourcetype=corelight_notice Enter fullscreen mode Exit fullscreen mode.

108. What User-Agent string was sent as part of the Trickbot HTTP requests?

index="corelight" uid=CAoNRI62m9CRqS0R2 sourcetype=corelight_http | table http_user_agent Enter fullscreen mode Exit fullscreen mode.

109. What is a process name that is repeated within the POST body of these HTTP requests?

Image Path will always be: %SystemRoot%\system32\[website].

Number of instances: many (generally at least 10 , and often more than 50 ).

Runs with the -k parameter to differentiate/services => the absence of this parameter is a strong indication that something is off.

110. Let's look at what happened after the malware was dropped. Looking at Suricata alerts following the Trickbot alert, a popular scanning tool appears to have been used for reconnaissance. What is the name of that tool?

index="corelight" sourcetype="corelight_suricata_corelight" | stats values(alert.signature) Enter fullscreen mode Exit fullscreen mode.

111. One of the alerts generated by our infected host could result in command execution on a wireless access point. Looking at the response from the remote system, however, it's pretty clear that the attack failed. How many bytes did the target send back to the attacker on this connection?

index="corelight" sourcetype="corelight_suricata_corelight" | stats values(alert.signature) Enter fullscreen mode Exit fullscreen mode.

index="corelight" sourcetype="corelight_suricata_corelight" "ETPRO Exploit Possible Asus WRT LAN Backdoor Command Execution" Enter fullscreen mode Exit fullscreen mode.

index="corelight" ChGTlJ1zd2PRktosx5 sourcetype=corelight_conn Enter fullscreen mode Exit fullscreen mode.

112. Looking at the layer 7 services used by the infected host after the Trickbot alerts above, we see an SSH connection made to an internal host. What is the IP address of that host?

index="corelight" [website] sourcetype=corelight_ssh auth_success=true | table dest Enter fullscreen mode Exit fullscreen mode.

113. What is the PCR (producer/consumer ratio) of that SSH session?

index="corelight" CLn5mqsd7SVfTn10g sourcetype=corelight_conn Enter fullscreen mode Exit fullscreen mode.

`-0.9959339475461754` Enter fullscreen mode Exit fullscreen mode.

measures the “shape” of a system’s pattern.

of network use. Significant shifts in PCR.

114. Examining the inferences section of the SSH log associated with that session, one code indicates a behavior that explains the PCR we just observed. Which code is it?

index="corelight" CLn5mqsd7SVfTn10g sourcetype=corelight_ssh Enter fullscreen mode Exit fullscreen mode.

Login Failure Daemon is a continuously running process that runs all the time (Every Second) and scans all the login attempts against your server using log file entries and blocks all the entries that fail within a short period of time. These types of attacks are also known as “Brute-Force Attacks“. The Daemon process runs every second and responds very quickly to these patterns and blocks all the offending IPs quickly. (source).

115. The owner of the infected workstation had no credentials to log into [website] over SSH. However, there was another connection between those hosts over HTTP. What attack type was sent over that connection?

index="corelight" [website] [website] sourcetype=corelight_http | table uri Enter fullscreen mode Exit fullscreen mode.

index="corelight" [website] [website] sourcetype=corelight_http Enter fullscreen mode Exit fullscreen mode.

116. What parameter of the [website] script did the infected system attempt to use for SQL injection?

117. What was the HTTP status code from the targeted server?

118. Did this SQL injection attack generate any Suricata alerts? (Yes/No).

119. Returning to SSH connections made by our infected host, we see a second one being made to a country the organization has no business relationship with. What country is that connection going to?

index="corelight" [website] sourcetype=corelight_ssh auth_success=true Enter fullscreen mode Exit fullscreen mode.

120. Judging by the PCR (producer/consumer ratio) of this connection, data was definitely exfiltrated to this external system. What is the SSH host key of that system?

1c:6e:58:a2:57:98:33:f4:53:e8:63:46:df:a2:31:ef.

121. How many payload bytes were sent over that connection?

index="corelight" CPxHxI3uiHLgH2I196 sourcetype=corelight_conn Enter fullscreen mode Exit fullscreen mode.

122. The challenge author's favorite SSL certificate organization name - a default out of many certificate generation tools - is present in this index, highlighted by a Suricata alert. What is that organization name?

index="corelight" sourcetype="corelight_suricata_corelight" | stats values(alert.signature) Enter fullscreen mode Exit fullscreen mode.

What do you say, will you give it a shot and be Boss of the SOC? 😎.

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