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Tag: Perl

rrhunter: Detecting Rogue IPv6 Routers

December 13, 2011 IPv6, Security Leave a comment

It’s a fact: Pv6 deployments are on the raise. We are close to the end of 2011 and this year was really some kind of a kick-off year to deploy the new protocol or to make live tests. I won’t come back on all the new features implemented in the

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Feeding DShield with OSSEC Logs

July 15, 2011 Security, Software 2 comments

The primary goal of a log management solution is to receive events from multiple sources, to parse and to make them available for multiple purposes: searching, alerting and reporting. But why not send some interesting events to another log management system or application? Usually, some inputs are added in the

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Developers, IPv6 is also a Challenge for You!

February 26, 2011 Software One comment

I hate situations like the one I faced this afternoon… I’ve a daemon, written in Perl, running on a Linux box for months now. When I say for months, it means: Without restarting the process or the host except regular upgrades. But, for maintenance reasons, I had to reboot the

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Abuse Info Gathering Made Easy

December 13, 2010 Net, Security Leave a comment

If there is a boring task when you are investigating a security incident, it’s the process of gathering all information related to the involved IP addresses: What are the IP addresses used, routing information (AS), geo-localisation and abuse information gathering. Alexandre Dulaunoy wrote  a cool piece of Perl code to

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Upcoming Events

Here is a list of events that I will attend and cover via Twitter and wrap-ups. Ping me if you want to meet! The list is regularly updated.

SANS Munich 2023

Recent Articles

  • Botconf 2023 Wrap-Up Day #3
  • Botconf 2023 Wrap-Up Day #2
  • Botconf 2023 Wrap-Up Day #1
  • [SANS ISC] A Backdoor with Smart Screenshot Capability
  • This Blog Has 20 Years!

Time Machine

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Recent Tweets

  • Marketing & processes will kill me. I received a letter today confirming that my *digital* access has been set up...

    Yesterday at 13:20

  • And meet plenty of Handlers! twitter.com/johullrich/status/…

    May 30, 2023 17:11

  • The preferred super-hero of malware analysts… #80s pic.twitter.com/Y0F7mNRtVi

    May 28, 2023 16:37

  • On my way back to ! Thanks to the #BSidesDublin2023 crew for the great event!

    May 28, 2023 03:43

  • Crazy how pages can be easily hijacked when pointing to github.io! It seems it was already explained… twitter.com/i/web/status/16624…

    May 27, 2023 14:10

RSS NVD Vulnerabilities Feed

  • CVE-2023-2879 (wireshark) May 26, 2023
    GDSDB infinite loop in Wireshark 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 allows denial of service via packet injection or crafted capture file
  • CVE-2023-2857 (wireshark) May 26, 2023
    BLF file parser crash in Wireshark 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 allows denial of service via crafted capture file
  • CVE-2023-2858 (wireshark) May 26, 2023
    NetScaler file parser crash in Wireshark 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 allows denial of service via crafted capture file
  • CVE-2023-2855 (wireshark) May 26, 2023
    Candump log parser crash in Wireshark 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 allows denial of service via crafted capture file
  • CVE-2023-2856 (wireshark) May 26, 2023
    VMS TCPIPtrace file parser crash in Wireshark 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 allows denial of service via crafted capture file
  • CVE-2023-2854 (wireshark) May 26, 2023
    BLF file parser crash in Wireshark 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 allows denial of service via crafted capture file
  • CVE-2023-2825 (gitlab) May 26, 2023
    An issue has been discovered in GitLab CE/EE affecting only version 16.0.0. An unauthenticated malicious user can use a path traversal vulnerability to read arbitrary files on the server when an attachment exists in a public project nested within at least five groups.
  • CVE-2021-46886 (emui) May 26, 2023
    The video framework has memory overwriting caused by addition overflow. Successful exploitation of this vulnerability may affect availability.
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