Threat Level: green Handler on Duty: Johannes Ullrich

SANS ISC: Diaries by Keyword Diaries by Keyword

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Date Author Title
2021-11-01Yee Ching TokRevisiting BrakTooth: Two Months Later
2021-10-18Xavier MertensMalicious PowerShell Using Client Certificate Authentication
2021-08-31Yee Ching TokBrakTooth: Impacts, Implications and Next Steps
2021-06-24Xavier MertensDo you Like Cookies? Some are for sale!
2021-05-30Didier StevensSysinternals: Procmon, Sysmon, TcpView and Process Explorer update
2021-05-20Johannes UllrichAre Cookie Banners a Waste of Time or a Complete Waste of Time?
2021-02-13Guy BruneauUsing Logstash to Parse IPtables Firewall Logs
2021-01-15Guy BruneauObfuscated DNS Queries
2021-01-02Guy BruneauProtecting Home Office and Enterprise in 2021
2020-12-04Guy BruneauDetecting Actors Activity with Threat Intel
2020-11-05Xavier MertensDid You Spot "Invoke-Expression"?
2020-08-25Xavier MertensKeep An Eye on LOLBins
2020-08-04Johannes UllrichInternet Choke Points: Concentration of Authoritative Name Servers
2020-07-04Russ McReeHappy FouRth of July from the Internet Storm Center
2020-07-01Jim ClausingSetting up the Dshield honeypot and tcp-honeypot.py
2020-06-20Tom WebbPi Zero HoneyPot
2020-06-19Remco VerhoefSigma rules! The generic signature format for SIEM systems.
2020-04-02Tom WebbTPOT's Cowrie to ISC Logs
2019-12-12Xavier MertensCode & Data Reuse in the Malware Ecosystem
2019-11-18Johannes UllrichSMS and 2FA: Another Reason to Move away from It.
2019-07-20Guy BruneauRe-evaluating Network Security - It is Increasingly More Complex
2019-07-09John BambenekSolving the WHOIS and Privacy Problem: A Draft of Implementing WHOIS in DNS
2019-05-10Xavier MertensDSSuite - A Docker Container with Didier's Tools
2019-04-04Xavier MertensNew Waves of Scans Detected by an Old Rule
2019-01-10Brad DuncanHeartbreaking Emails: "Love You" Malspam
2018-10-18Russ McReeCisco Security Advisories 17 OCT 2018
2018-06-21Xavier MertensAre Your Hunting Rules Still Working?
2018-06-16Russ McReeAnomaly Detection & Threat Hunting with Anomalize
2018-06-07Remco VerhoefAutomated twitter loot collection
2018-05-25Xavier MertensAntivirus Evasion? Easy as 1,2,3
2017-12-30Xavier Mertens2017, The Flood of CVEs
2017-11-28Xavier MertensApple High Sierra Uses a Passwordless Root Account
2017-06-17Guy BruneauMapping Use Cases to Logs. Which Logs are the Most Important to Collect?
2017-05-28Guy BruneauCyberChef a Must Have Tool in your Tool bag!
2017-03-31Xavier MertensPro & Con of Outsourcing your SOC
2017-02-09Brad DuncanCryptoShield Ransomware from Rig EK
2017-02-03Lorna HutchesonCisco - Issue with Clock Signal Component
2016-11-25Xavier MertensFree Software Quick Security Checklist
2016-05-08Jim ClausingGuest Diary: Linux Capabilities - A friend and foe
2016-04-27Tom WebbKippos Cousin Cowrie
2016-03-21Xavier MertensIP Addresses Triage
2016-03-15Xavier MertensDockerized DShield SSH Honeypot
2016-03-13Xavier MertensSSH Honeypots (Ab)used as Proxy
2016-01-30Xavier MertensAll CVE Details at Your Fingertips
2015-12-24Xavier MertensUnity Makes Strength
2015-12-23Rob VandenBrinkLibraries and Dependencies - It Really is Turtles All The Way Down!
2015-10-17Russell EubanksCIS Critical Security Controls - Version 6.0
2015-09-03Xavier MertensQuerying the DShield API from RTIR
2015-08-18Russ McReeMicrosoft Security Bulletin MS15-093 - Critical OOB - Internet Explorer RCE
2015-07-31Russ McReeTech tip follow-up: Using the data Invoked with R's system command
2015-07-31Russ McReeTech tip: Invoke a system command in R
2015-06-02Alex StanfordGuest Diary: Xavier Mertens - Playing with IP Reputation with Dshield & OSSEC
2015-06-01Tom WebbSubmit Dshield ASA Logs
2015-05-20Brad DuncanLogjam - vulnerabilities in Diffie-Hellman key exchange affect browsers and servers using TLS
2015-03-11Rob VandenBrinkSyslog Skeet Shooting - Targetting Real Problems in Event Logs
2015-02-26Johannes UllrichNew Feature: Subnet Report
2015-02-19Daniel WesemannDNS-based DDoS
2015-02-03Johannes UllrichWhat is using this library?
2014-08-23Guy BruneauNSS Labs Cyber Resilience Report
2014-07-28Guy BruneauManagement and Control of Mobile Device Security
2014-06-17Rob VandenBrinkNew Security Advisories / Updates from Microsoft - Heads up for Next Patch Tuesday!
2014-05-21John BambenekNew, Unpatched IE 0 Day published at ZDI
2014-04-11Rob VandenBrinkThe Other Side of Heartbleed - Client Vulnerabilities
2014-02-24Russ McReeExplicit Trusted Proxy in HTTP/2.0 or...not so much
2014-02-14Chris MohanFireEye reports IE 10 zero-day being used in watering hole attack
2014-02-14Chris MohanSYM14-004 Symantec Endpoint Protection Management Vulnerabilities - http://www.symantec.com/business/support/index?page=content&id=TECH214866
2014-01-17Russ McReeMassive RFI scans likely a free web app vuln scanner rather than bots
2013-12-21Guy BruneauStrange DNS Queries - Request for Packets
2013-12-10Rob VandenBrinkThose Look Just Like Hashes!
2013-11-09Guy BruneauIE Zero-Day Vulnerability Exploiting msvcrt.dll
2013-10-16Adrien de BeaupreAccess denied and blockliss
2013-10-03Johannes UllrichOctober Patch Tuesday Preview (CVE-2013-3893 patch coming!)
2013-09-10Swa FrantzenAdobe September 2013 Black Tuesday Overview
2013-09-10Swa FrantzenMicrosoft September 2013 Black Tuesday Overview
2013-08-13Swa FrantzenMicrosoft August 2013 Black Tuesday Overview
2013-08-02Chris MohanCisco Security Advisory: OSPF LSA Manipulation Vulnerability in Multiple Cisco Products http://tools.cisco.com/security/center/viewAlert.x?alertId=30210
2013-07-23Bojan ZdrnjaSessions with(out) cookies
2013-07-09Swa FrantzenMicrosoft July 2013 Black Tuesday Overview
2013-07-06Guy BruneauIs Metadata the Magic in Modern Network Security?
2013-06-11Swa FrantzenMicrosoft June 2013 Black Tuesday Overview
2013-05-20Johannes UllrichUbuntu Package available to submit firewall logs to DShield
2013-05-14Swa FrantzenAdobe May 2013 Black Tuesday Overview
2013-05-14Swa FrantzenMicrosoft May 2013 Black Tuesday Overview
2013-05-14Swa FrantzenFirefox & Thunderbird released
2013-05-09Johannes UllrichMicrosoft released a Fix-it for the Internet Explorer 8 Vulnerability http://support.microsoft.com/kb/2847140
2013-05-04Kevin ShorttThe Zero-Day Pendulum Swings
2013-04-16John BambenekFake Boston Marathon Scams Update
2013-04-09Swa FrantzenMicrosoft April 2013 Black Tuesday Overview
2013-03-12Swa FrantzenMicrosoft March 2013 Black Tuesday Overview
2013-03-07Guy BruneauApple Blocking Java Web plug-in
2013-01-15Rob VandenBrinkWhen Disabling IE6 (or Java, or whatever) is not an Option...
2013-01-14Richard PorterMicrosoft Out of Cycle Patch: IE http://technet.microsoft.com/en-us/security/bulletin/ms13-jan
2013-01-09Richard PorterThe 80's called - They Want Their Mainframe Back!
2012-12-03Kevin ListonRecent SSH vulnerabilities
2012-10-30Mark HofmanCyber Security Awareness Month - Day 30 - DSD 35 mitigating controls
2012-10-24Rob VandenBrinkTime to run Windows Update - - Microsoft Updates KB2755801 for Windows RT / IE10 / Flash Player - http://technet.microsoft.com/en-us/security/advisory/2755801
2012-09-21Guy BruneauIE Cumulative Updates MS12-063 - KB2744842
2012-09-21Guy BruneauUpdate for Vulnerabilities in Adobe Flash Player in Internet Explorer 10 (2755801)
2012-09-17Rob VandenBrinkIE Zero Day is "For Real"
2012-07-23Johannes UllrichMost Anti-Privacy Web Browsing Tool Ever?
2012-06-29Bojan ZdrnjaDShield for Splunk
2012-05-25Guy BruneauVMware vMA Security Advisory VMSA-2012-0010 - http://www.vmware.com/security/advisories/VMSA-2012-0010.html
2012-05-22Johannes Ullrichnmap 6 released
2012-05-03Guy BruneauVMware Critical Security Issues Advisory - http://www.vmware.com/security/advisories/VMSA-2012-0009.html
2012-03-16Guy BruneauVMware New and Updated Security Advisories
2012-03-09Guy BruneauVMware New and Updated Advisories
2012-02-20Pedro BuenoSimple Malware Research Tools
2012-02-07Jim ClausingBook Review: Practical Packet Analysis, 2nd ed
2012-01-31Russ McReeFirefox 10 and VMWare advisories and updates
2012-01-05Russ McReeOpenSSL vulnerability fixes
2011-10-29Richard PorterThe Sub Critical Control? Evidence Collection
2011-10-13Kevin ShorttDennis M. Ritchie (1941 - 2011)
2011-08-30Scott FendleyCisco Security Advisory - Apache HTTPd DoS
2011-05-30Johannes UllrichAllied Telesis Passwords Leaked
2011-05-25Daniel WesemannFive new Cisco security advisories released. See http://www.cisco.com/go/psirt
2011-04-28Chris MohanCisco Security Advisories
2011-04-22Manuel Humberto Santander PelaezIn-house developed applications: The constant headache for the information security officer
2011-04-14Johannes Ullrichdshield.org now DNSSEC signed via .org
2011-02-02Chris MohanDefault Credentials for Root Account on Cisco Personal Video units
2011-01-05Johannes UllrichCurrently Unpatched Windows / Internet Explorer Vulnerabilities
2010-12-25Manuel Humberto Santander PelaezAn interesting vulnerability playground to learn application vulnerabilities
2010-12-23Mark HofmanIE 0 Day, just in time for Christmas
2010-12-18Raul SilesWhere are the Wi-Fi Driver Vulnerabilities?
2010-12-12Raul SilesNew trend regarding web application vulnerabilities?
2010-11-21Marcus SachsA Day In The Life Of A DShield Sensor
2010-11-17Guy BruneauCisco Unified Videoconferencing Affected by Multiple Vulnerabilities
2010-08-16Raul SilesThe Seven Deadly Sins of Security Vulnerability Reporting
2010-08-04Adrien de BeaupreMultiple Cisco Advisories
2010-07-24Manuel Humberto Santander PelaezTypes of diary: One liners vs full diary
2010-06-29Johannes UllrichHow to be a better spy: Cyber security lessons from the recent russian spy arrests
2010-06-09Deborah HaleBest Practice to Prevent PDF Attacks
2010-04-26Raul SilesVulnerable Sites Database
2010-03-30Pedro BuenoVMWare Security Advisories Out
2010-03-29Adrien de BeaupreOOB Update for Internet Explorer MS10-018
2010-03-10Rob VandenBrinkMicrosoft Security Advisory 981374 - Remote Code Execution Vulnerability for IE6 and IE7
2010-03-09John BambenekMarch 2010 - Microsoft Patch Tuesday Diary
2010-03-01Mark HofmanIE 0-day using .hlp files
2010-02-09Adrien de BeaupreWhen is a 0day not a 0day? Samba symlink bad default config
2010-01-24Pedro BuenoOutdated client applications
2010-01-19Jim ClausingThe IE saga continues, out-of-cycle patch coming soon
2010-01-18Stephen HallUplift in SSH brute forcing attacks
2009-12-05Guy BruneauJava JRE Buffer and Integer Overflow
2009-11-22Marcus SachsIE6 and IE7 0-Day Reported
2009-11-07Marcus SachsMore Thoughts on Legacy Systems
2009-10-26Johannes UllrichWeb honeypot Update
2009-10-14Johannes UllrichOdd Apache/MSIE issue with downloads from ISC
2009-10-02Stephen HallCyber Security Awareness Month - Day 2 - Port 0
2009-09-16Raul SilesIETF Draft for Remediation of Bots in ISP Networks
2009-09-10Guy BruneauFirefox 3.5.3 and 3.0.14 has been released
2009-06-11Jason LamDshield Web Honeypot going beta
2009-05-27donald smithWebDAV write-up
2009-04-20Jason LamDigital Content on TV
2009-04-14Swa FrantzenApril Black Tuesday Overview
2009-03-26Mark HofmanWebhoneypot fun
2009-03-24G. N. WhiteCanSecWest Pwn2Own: Would IE8 have been exploitable had the event waited one more day?
2009-03-19Mark HofmanBrace yourselves - IE8 reported to be released
2009-03-19Mark HofmanBrowsers Tumble at CanSecWest
2009-03-10Swa FrantzenTinyURL and security
2009-03-10Swa FrantzenMarch black Tuesday overview
2009-02-25Andre LudwigPreview/Iphone/Linux pdf issues
2009-02-17Jason LamDShield Web Honeypot - Alpha Preview Release
2009-02-10Swa FrantzenFebruary Black Tuesday Overview
2009-02-02Stephen HallHow do you audit your production code?
2009-01-25Rick WannerTwam?? Twammers?
2008-12-16donald smithMicrosoft announces an out of band patch for IE zero day
2008-12-13Jim ClausingThe continuing IE saga - workarounds
2008-12-12Johannes UllrichMSIE 0-day Spreading Via SQL Injection
2008-12-12Kevin ListonIE7 0day expanded to include IE6 and IE8(beta)
2008-11-11Swa FrantzenNovember Black Tuesday Overview
2008-10-12Mari NicholsDay 12 Containment: Gathering Evidence That Can be Used in Court
2008-09-21Mari NicholsYou still have time!
2008-09-11David GoldsmithCookieMonster is coming to Pown (err, Town)
2008-08-10Stephen HallFake IE 7 update spam doing the rounds
2008-08-02Maarten Van HorenbeeckIssues affecting sites using Sitemeter [resolved]
2008-05-28Johannes UllrichReminder: Proper use of DShield data
2008-04-27Marcus SachsWhat's With Port 20329?
2008-03-30Mark HofmanMail Anyone?
2008-03-14Kevin ListonTemporal Search: Detecting Hidden Malware Timebombs with Virtual Machines
2006-12-18Toby KohlenbergORDB Shutting down
2006-10-05Swa FrantzenMS06-053 revisited ?
2006-10-02Jim ClausingBack to green, but the exploits are still running wild
2006-09-30Swa FrantzenYellow: WebViewFolderIcon setslice exploit spreading
2006-09-28Swa FrantzenMSIE: One patched, one pops up again (setslice)
2006-09-22Swa FrantzenYellow: MSIE VML exploit spreading
2006-09-19Swa FrantzenYet another MSIE 0-day: VML
2006-09-15Swa FrantzenMSIE DirectAnimation ActiveX 0-day update