Internet Storm Center
Sign In
Sign Up
Handler on Duty:
Johannes Ullrich
Threat Level:
green
Date
Author
Title
API DOMAIN NAMES
2025-11-05
Johannes Ullrich
Updates to Domainname API
API
2025-11-05/a>
Johannes Ullrich
Updates to Domainname API
2025-10-01/a>
Jesse La Grew
[Guest Diary] Comparing Honeypot Passwords with HIBP
2025-08-27/a>
Xavier Mertens
Interesting Technique to Launch a Shellcode
2025-07-07/a>
Xavier Mertens
What's My (File)Name?
2025-04-15/a>
Xavier Mertens
Online Services Again Abused to Exfiltrate Data
2025-03-10/a>
Xavier Mertens
Shellcode Encoded in UUIDs
2024-08-29/a>
Xavier Mertens
Live Patching DLLs with Python
2024-03-10/a>
Guy Bruneau
What happens when you accidentally leak your AWS API keys? [Guest Diary]
2023-12-23/a>
Xavier Mertens
Python Keylogger Using Mailtrap.io
2023-07-21/a>
Rob VandenBrink
Shodan's API For The (Recon) Win!
2023-04-07/a>
Xavier Mertens
Detecting Suspicious API Usage with YARA Rules
2023-02-15/a>
Rob VandenBrink
DNS Recon Redux - Zone Transfers (plus a time machine) for When You Can't do a Zone Transfer
2022-12-19/a>
Xavier Mertens
Hunting for Mastodon Servers
2022-06-21/a>
Johannes Ullrich
Experimental New Domain / Domain Age API
2022-03-18/a>
Johannes Ullrich
Scans for Movable Type Vulnerability (CVE-2021-20837)
2022-02-25/a>
Didier Stevens
Windows, Fixed IPv4 Addresses and APIPA
2022-01-21/a>
Xavier Mertens
Obscure Wininet.dll Feature?
2021-12-17/a>
Rob VandenBrink
DR Automation - Using Public DNS APIs
2021-09-09/a>
Johannes Ullrich
Updates to Our Datafeeds/API
2021-07-24/a>
Xavier Mertens
Agent.Tesla Dropped via a .daa Image and Talking to Telegram
2021-06-19/a>
Xavier Mertens
Easy Access to the NIST RDS Database
2021-03-17/a>
Xavier Mertens
Defenders, Know Your Operating System Like Attackers Do!
2021-01-07/a>
Rob VandenBrink
Using the NIST Database and API to Keep Up with Vulnerabilities and Patches (Part 1 of 3)
2020-12-22/a>
Xavier Mertens
Malware Victim Selection Through WiFi Identification
2020-09-02/a>
Xavier Mertens
Python and Risky Windows API Calls
2020-08-18/a>
Xavier Mertens
Using API's to Track Attackers
2020-07-28/a>
Johannes Ullrich
All I want this Tuesday: More Data
2020-05-29/a>
Johannes Ullrich
The Impact of Researchers on Our Data
2020-05-21/a>
Xavier Mertens
Malware Triage with FLOSS: API Calls Based Behavior
2020-02-29/a>
Guy Bruneau
Hazelcast IMDG Discover Scan
2020-01-16/a>
Bojan Zdrnja
Summing up CVE-2020-0601, or the Let?s Decrypt vulnerability
2018-11-17/a>
Xavier Mertens
Quickly Investigating Websites with Lookyloo
2018-11-12/a>
Rick Wanner
Using the Neutrino ip-blocklist API to test general badness of an IP
2017-11-17/a>
Xavier Mertens
Top-100 Malicious IP STIX Feed
2017-09-05/a>
Adrien de Beaupre
Struts vulnerability patch released by apache, patch now
2017-05-10/a>
Johannes Ullrich
Read This If You Are Using a Script to Pull Data From This Site
2015-09-03/a>
Xavier Mertens
Querying the DShield API from RTIR
2014-05-28/a>
Rob VandenBrink
Assessing SOAP APIs with Burp
2014-01-20/a>
Rob VandenBrink
You Can Run, but You Can't Hide (SSH and other open services)
2012-11-16/a>
Guy Bruneau
VMware security updates for vSphere API and ESX Service Console - http://www.vmware.com/security/advisories/VMSA-2012-0016.html
2010-03-30/a>
Pedro Bueno
Sharing the Tools
DOMAIN
2025-11-05/a>
Johannes Ullrich
Updates to Domainname API
2025-07-31/a>
Johannes Ullrich
Scattered Spider Related Domain Names
2025-07-13/a>
Johannes Ullrich
Experimental Suspicious Domain Feed
2025-02-05/a>
Johannes Ullrich
Phishing via "com-" prefix domains
2023-12-31/a>
Tom Webb
Pi-Hole Pi4 Docker Deployment
2023-10-15/a>
Guy Bruneau
Domain Name Used as Password Captured by DShield Sensor
2022-10-07/a>
Xavier Mertens
Powershell Backdoor with DGA Capability
2022-06-21/a>
Johannes Ullrich
Experimental New Domain / Domain Age API
2022-02-24/a>
Xavier Mertens
Ukraine & Russia Situation From a Domain Names Perspective
2021-09-02/a>
Xavier Mertens
Attackers Will Always Abuse Major Events in our Lifes
2021-07-24/a>
Bojan Zdrnja
Active Directory Certificate Services (ADCS - PKI) domain admin vulnerability
2020-03-28/a>
Didier Stevens
Covid19 Domain Classifier
2020-03-27/a>
Johannes Ullrich
Help us classify Covid19 related domains https://isc.sans.edu/covidclassifier.html (login required)
2019-07-17/a>
Xavier Mertens
Analyzis of DNS TXT Records
2019-04-24/a>
Rob VandenBrink
Where have all the Domain Admins gone? Rooting out Unwanted Domain Administrators
2019-03-27/a>
Xavier Mertens
Running your Own Passive DNS Service
2017-12-13/a>
Xavier Mertens
Tracking Newly Registered Domains
2017-11-16/a>
Xavier Mertens
Suspicious Domains Tracking Dashboard
2017-07-05/a>
Didier Stevens
Selecting domains with random names
2017-05-20/a>
Xavier Mertens
Typosquatting: Awareness and Hunting
2014-07-09/a>
Daniel Wesemann
Who owns your typo?
2014-01-30/a>
Johannes Ullrich
New gTLDs appearing in the root zone
2013-12-21/a>
Guy Bruneau
Strange DNS Queries - Request for Packets
2012-03-13/a>
Lenny Zeltser
Please transfer this email to your CEO or appropriate person, thanks
2009-05-02/a>
Rick Wanner
More Swine/Mexican/H1N1 related domains
2009-04-27/a>
Johannes Ullrich
Swine Flu (Mexican Flu) related domains
NAMES
2025-11-05/a>
Johannes Ullrich
Updates to Domainname API
2025-08-20/a>
Johannes Ullrich
Airtell Router Scans, and Mislabeled usernames
2025-07-25/a>
Xavier Mertens
Sinkholing Suspicious Scripts or Executables on Linux
2022-02-24/a>
Xavier Mertens
Ukraine & Russia Situation From a Domain Names Perspective
Homepage
Diaries
Podcasts
Jobs
Data
TCP/UDP Port Activity
Port Trends
SSH/Telnet Scanning Activity
Weblogs
Domains
Threat Feeds Activity
Threat Feeds Map
Useful InfoSec Links
Presentations & Papers
Research Papers
API
Tools
DShield Sensor
DNS Looking Glass
Honeypot (RPi/AWS)
InfoSec Glossary
Contact Us
Contact Us
About Us
Handlers
About Us
Slack Channel
Mastodon
Bluesky
X
Have you seen our swag?
Buy SANS ISC Gear