Vivek Rajagopal

@vivekrj

Network Security, Traffic Monitoring, Packet Analysis, Large databases, Streaming systems and algorithms. Hacking on

trisul.org
Joined June 2009
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  1. Retweeted
    Aug 23

    New Trisul Network Analytics release available for download … ; features among other things - new traffic charts, better PCAP processing, new APPs

    1 retweet
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  2. Aug 24

    this is an example of a class of attack that can be detected only by traffic monitoring. This article shows it is feasible to do per-packet stateful monitoring in LuaJIT

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  3. Aug 24

    Put together a quick PoC Trisul script to detect

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  4. Retweeted
    Aug 20

    We're up to 16 powerful free Apps on - the latest one checks all of your traffic against OTX

    1 retweet
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  5. Aug 2

    New release of this Passive DNS app lets you build a database and also lookup history of IP, IPv6, Domains, Subdomains in your realtime network analytics code. scripting

    1 like
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  6. Jul 31

    new blog : The new Intel Harvester App pulls all Intel artifacts from network traffic into a a single stream.

    1 like
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  7. Retweeted
    Jul 16

    Congratulations to the ! Developing would have been a lot harder without your hard work!

    We're twenty years old! Cheers!
    1 reply 11 retweets 24 likes
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  8. Jul 11

    Good exit. Congrats team

    Just announced! AT&T to acquire AlienVault. AlienVault’s innovative technology and security talent will help accelerate AT&T’s vision of enabling organizations of all sizes with effective cybersecurity solutions. For more details read the press release
    1 reply 3 likes
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  9. Jul 6

    New Docker Image released - full network traffic and security monitoring stack for everyone. Free for rolling 3-day window. Get it.

    1 retweet 2 likes
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  10. Retweeted
    Jun 25

    ANN: A new release Trisul Network Analytics is now available. Details here … for Network Traffic Analysis

    2 retweets
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  11. Jun 22

    Write network scripts easily like this DHCP Logger using the new BITMAUL library - just 95 lines of Lua - Bro script developers might be interested in this library.

    3 likes
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  12. Jun 14

    Looking for packet heads who want to try something new to dissect packets. Give BITMAUL a spin - we have several examples and documentation to get you started.

    1 like
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  13. Jun 14

    Benchmarked a BITMAUL HTTP parser , it clocks in at 5.4 Gbps

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  14. Jun 12

    Processing 58-days of flow data from the LANL Cybersecurity data set using a simple input filter script

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  15. Jun 8

    New Trisul scripting cheatsheet helps you select the type of script ; working on more documentation to help those familiar with Bro scripting try something new.

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  16. Jun 8

    Lots of new examples added for BITMAUL; a new LuaJIT protocol dissector. We show SMTP message and attachments extraction in under 140 lines

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  17. Retweeted
    Jun 8

    New scripting cheatsheet helps you pick the right type of script for the job.

    1 retweet
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  18. Jun 1

    Introducing BITMAUL a LuaJIT packet dissection library - check out the examples folder as well.

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  19. May 24

    Is Threat Intel garbage ? For smaller customers , start with a feed with a low false positive rate like FireHOL-Level 1. If it fires, you must look deeper. Larger sites may have the resources to triage.

    1 reply 3 likes
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  20. May 24

    Did you know Trisul network analysis apps are written in plain LuaJIT ? - check out the Hello World tutorial. .

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