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Tag: API

SANS ISC

[SANS ISC] Top-100 Malicious IP STIX Feed

November 17, 2017 SANS Internet Storm Center, Security 3 comments

I published the following diary on isc.sans.org: “Top-100 Malicious IP STIX Feed“. Yesterday, we were contacted by one of our readers who asked if we provide a STIX feed of our blocked list or top-100 suspicious IP addresses. STIX means “Structured Threat Information eXpression” and enables organizations to share indicator

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Playing with IP Reputation with Dshield & OSSEC

June 2, 2015 Logs Management / SIEM, OSSEC, Security 5 comments

[This blogpost has also been published as a guest diary on isc.sans.org] When investigating incidents or searching for malicious activity in your logs, IP reputation is a nice way to increase the reliability of generated alerts. It can help to prioritize incidents. Let’s take an example with a WordPress blog. It will,

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Tracking SSL Issues with the SSL Labs API

May 18, 2015 Security, Software, Uncategorized 5 comments

The SSL and TLS protocols have been on the front of the stage for months. Besides many vulnerabilities disclosed in the OpenSSL library, the deployment of SSL and TLS is not always easy. They are weak cyphers (like RC4), weak signatures, certificates issues (self-signed, expiration or fake ones). Other useful features are mis-understood

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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

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  • [SANS ISC] Python Malware Using Postgresql for C2 Communications
  • [SANS ISC] More Exotic Excel Files Dropping AgentTesla
  • [SANS ISC] Have You Ever Heard of the Fernet Encryption Algorithm?

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