TCP PORT 81 |
| 2017-04-22 | Jim Clausing | WTF tcp port 81 |
TCP |
| 2024-06-20/a> | Guy Bruneau | No Excuses, Free Tools to Help Secure Authentication in Ubuntu Linux [Guest Diary] |
| 2023-11-16/a> | Johannes Ullrich | Beyond -n: Optimizing tcpdump performance |
| 2023-02-01/a> | Jesse La Grew | Rotating Packet Captures with pfSense |
| 2022-06-20/a> | Johannes Ullrich | Odd TCP Fast Open Packets. Anybody understands why? |
| 2022-03-20/a> | Didier Stevens | MGLNDD_* Scans |
| 2021-05-30/a> | Didier Stevens | Sysinternals: Procmon, Sysmon, TcpView and Process Explorer update |
| 2021-02-25/a> | Jim Clausing | So where did those Satori attacks come from? |
| 2021-02-16/a> | Jim Clausing | More weirdness on TCP port 26 |
| 2020-11-24/a> | Johannes Ullrich | The special case of TCP RST |
| 2020-07-01/a> | Jim Clausing | Setting up the Dshield honeypot and tcp-honeypot.py |
| 2020-06-28/a> | Guy Bruneau | tcp-honeypot.py Logstash Parser & Dashboard Update |
| 2020-05-01/a> | Jim Clausing | Attack traffic on TCP port 9673 |
| 2020-01-12/a> | Guy Bruneau | ELK Dashboard and Logstash parser for tcp-honeypot Logs |
| 2019-12-02/a> | Jim Clausing | Next up, what's up with TCP port 26? |
| 2019-10-03/a> | Jim Clausing | Buffer overflows found in libpcap and tcpdump |
| 2019-06-18/a> | Johannes Ullrich | What You Need To Know About TCP "SACK Panic" |
| 2019-02-18/a> | Didier Stevens | Know What You Are Logging |
| 2018-08-15/a> | Xavier Mertens | Truncating Payloads and Anonymizing PCAP files |
| 2018-01-18/a> | Xavier Mertens | Comment your Packet Captures! |
| 2017-09-28/a> | Xavier Mertens | The easy way to analyze huge amounts of PCAP data |
| 2017-04-22/a> | Jim Clausing | WTF tcp port 81 |
| 2017-02-02/a> | Rick Wanner | New tcpdump release -> 4.9.0 http://www.tcpdump.org/#latest-release |
| 2017-01-31/a> | Johannes Ullrich | Multiple Vulnerabilities in tcpdump |
| 2017-01-28/a> | Guy Bruneau | Request for Packets and Logs - TCP 5358 |
| 2016-11-05/a> | Xavier Mertens | Full Packet Capture for Dummies |
| 2016-10-22/a> | Guy Bruneau | Request for Packets TCP 4786 - CVE-2016-6385 |
| 2015-05-10/a> | Didier Stevens | Wireshark TCP Flags: How To Install On Windows Video |
| 2015-04-05/a> | Didier Stevens | Wireshark TCP Flags |
| 2015-03-16/a> | Johannes Ullrich | Automatically Documenting Network Connections From New Devices Connected to Home Networks |
| 2014-01-11/a> | Guy Bruneau | tcpflow 1.4.4 and some of its most Interesting Features |
| 2013-11-27/a> | Rob VandenBrink | ATM Traffic + TCPDump + Video = Good or Evil? |
| 2013-11-13/a> | Johannes Ullrich | Packet Challenge for the Hivemind: What's happening with this Ethernet header? |
| 2013-10-25/a> | Rob VandenBrink | Kaspersky flags TCPIP.SYS as Malware |
| 2013-10-01/a> | Johannes Ullrich | iOS 7 Adds Multipath TCP |
| 2012-01-06/a> | Guy Bruneau | New Version of tcpflow Available in Beta |
| 2011-10-23/a> | Guy Bruneau | tcpdump and IPv6 |
| 2011-08-08/a> | Rob VandenBrink | Ping is Bad (Sometimes) |
| 2011-03-07/a> | Lorna Hutcheson | Call for Packets - Unassigned TCP Options |
| 2011-01-25/a> | Johannes Ullrich | Packet Tricks with xxd |
| 2010-08-01/a> | Manuel Humberto Santander Pelaez | Evation because IPS fails to validate TCP checksums? |
| 2010-06-15/a> | Manuel Humberto Santander Pelaez | TCP evasions for IDS/IPS |
| 2010-06-03/a> | Johannes Ullrich | Top 10 Things you may not know about tcpdump |
| 2010-02-23/a> | Mark Hofman | What is your firewall telling you and what is TCP249? |
| 2009-11-18/a> | Rob VandenBrink | Using a Cisco Router as a “Remote Collector” for tcpdump or Wireshark |
| 2009-06-28/a> | Guy Bruneau | IP Address Range Search with libpcap |
| 2009-03-05/a> | Mark Hofman | What's up with port 445? |
| 2008-10-01/a> | Rick Wanner | Handler Mailbag |
PORT |
| 2025-04-06/a> | Johannes Ullrich | New SSH Username Report |
| 2025-02-26/a> | Jesse La Grew | [Guest Diary] Malware Source Servers: The Threat of Attackers Using Ephemeral Ports as Service Ports to Upload Data |
| 2025-01-23/a> | Johannes Ullrich | XSS Attempts via E-Mail |
| 2024-06-17/a> | Xavier Mertens | New NetSupport Campaign Delivered Through MSIX Packages |
| 2024-04-25/a> | Jesse La Grew | Does it matter if iptables isn't running on my honeypot? |
| 2023-08-18/a> | Xavier Mertens | From a Zalando Phishing to a RAT |
| 2022-10-31/a> | Rob VandenBrink | NMAP without NMAP - Port Testing and Scanning with PowerShell |
| 2022-10-21/a> | Brad Duncan | sczriptzzbn inject pushes malware for NetSupport RAT |
| 2022-10-19/a> | Xavier Mertens | Are Internet Scanning Services Good or Bad for You? |
| 2022-01-02/a> | Guy Bruneau | Exchange Server - Email Trapped in Transport Queues |
| 2021-10-14/a> | Xavier Mertens | Port-Forwarding with Windows for the Win |
| 2021-06-03/a> | Jim Clausing | Strange goings on with port 37 |
| 2021-02-25/a> | Jim Clausing | So where did those Satori attacks come from? |
| 2021-02-16/a> | Jim Clausing | More weirdness on TCP port 26 |
| 2020-10-24/a> | Guy Bruneau | An Alternative to Shodan, Censys with User-Agent CensysInspect/1.1 |
| 2020-02-05/a> | Brad Duncan | Fake browser update pages are "still a thing" |
| 2019-11-19/a> | Johannes Ullrich | Cheap Chinese JAWS of DVR Exploitability on Port 60001 |
| 2019-08-01/a> | Johannes Ullrich | What is Listening On Port 9527/TCP? |
| 2019-07-26/a> | Kevin Shortt | DVRIP Port 34567 - Uptick |
| 2019-03-09/a> | Guy Bruneau | A Comparison Study of SSH Port Activity - TCP 22 & 2222 |
| 2018-12-16/a> | Guy Bruneau | Random Port Scan for Open RDP Backdoor |
| 2018-01-09/a> | Jim Clausing | What is going on with port 3333? |
| 2017-09-22/a> | Russell Eubanks | What is the State of Your Union? |
| 2017-09-05/a> | Johannes Ullrich | The Mirai Botnet: A Look Back and Ahead At What's Next |
| 2017-08-18/a> | Guy Bruneau | tshark 2.4 New Feature - Command Line Export Objects |
| 2017-06-16/a> | Lorna Hutcheson | What is going on with Port 83? |
| 2017-04-22/a> | Jim Clausing | WTF tcp port 81 |
| 2017-01-28/a> | Guy Bruneau | Request for Packets and Logs - TCP 5358 |
| 2017-01-10/a> | Johannes Ullrich | Port 37777 "MapTable" Requests |
| 2016-05-26/a> | Xavier Mertens | Keeping an Eye on Tor Traffic |
| 2016-04-25/a> | Guy Bruneau | Highlights from the 2016 HPE Annual Cyber Threat Report |
| 2016-02-02/a> | Johannes Ullrich | Targeted IPv6 Scans Using pool.ntp.org . |
| 2015-09-28/a> | Johannes Ullrich | "Transport of London" Malicious E-Mail |
| 2015-06-27/a> | Guy Bruneau | Is Windows XP still around in your Network a year after Support Ended? |
| 2015-04-08/a> | Tom Webb | Is it a breach or not? |
| 2014-10-13/a> | Lorna Hutcheson | For or Against: Port Security for Network Access Control |
| 2014-09-15/a> | Johannes Ullrich | Google DNS Server IP Address Spoofed for SNMP reflective Attacks |
| 2014-07-05/a> | Guy Bruneau | Java Support ends for Windows XP |
| 2014-06-11/a> | Daniel Wesemann | Help your pilot fly! |
| 2014-05-23/a> | Richard Porter | Highlights from Cisco Live 2014 - The Internet of Everything |
| 2014-03-26/a> | Johannes Ullrich | Let's Finally "Nail" This Port 5000 Traffic - Synology owners needed. |
| 2014-03-13/a> | Daniel Wesemann | Identification and authentication are hard ... finding out intention is even harder |
| 2014-03-06/a> | Mark Baggett | Port 5000 traffic and snort signature |
| 2014-01-22/a> | Chris Mohan | Learning from the breaches that happens to others |
| 2014-01-11/a> | Guy Bruneau | tcpflow 1.4.4 and some of its most Interesting Features |
| 2014-01-02/a> | Johannes Ullrich | Scans Increase for New Linksys Backdoor (32764/TCP) |
| 2013-11-25/a> | Johannes Ullrich | More Bad Port 0 Traffic |
| 2013-11-22/a> | Rick Wanner | Port 0 DDOS |
| 2013-10-30/a> | Russ McRee | SIR v15: Five good reasons to leave Windows XP behind |
| 2013-05-19/a> | Kevin Shortt | Port 51616 - Got Packets? |
| 2013-03-03/a> | Richard Porter | Uptick in MSSQL Activity |
| 2013-01-08/a> | Richard Porter | Yahoo Web Interface Report: Compose and Send |
| 2012-12-06/a> | Daniel Wesemann | Fake tech support calls - revisited |
| 2012-10-03/a> | Kevin Shortt | Fake Support Calls Reported |
| 2012-01-27/a> | Mark Hofman | CISCO Ironport C & M Series telnet vulnerability |
| 2012-01-13/a> | Guy Bruneau | Sysinternals Updates - http://blogs.technet.com/b/sysinternals/archive/2012/01/13/updates-autoruns-v11-21-coreinfo-v3-03-portmon-v-3-03-process-explorer-v15-12-mark-s-blog-and-mark-at-rsa-2012.aspx |
| 2011-11-11/a> | Rick Wanner | APPLE-SA-2011-11-10-2 Time Capsule and AirPort Base Station (802.11n) Firmware 7.6 update |
| 2011-10-25/a> | Chris Mohan | Recurring reporting made easy? |
| 2011-08-25/a> | Kevin Shortt | Increased Traffic on Port 3389 |
| 2011-06-29/a> | Johannes Ullrich | Random SSL Tips and Tricks |
| 2011-06-21/a> | Chris Mohan | Australian government security audit report shows tough love to agencies |
| 2011-05-23/a> | Mark Hofman | Microsoft Support Scam (again) |
| 2011-04-20/a> | Daniel Wesemann | Data Breach Investigations Report published by Verizon |
| 2011-01-25/a> | Chris Mohan | Reviewing our preconceptions |
| 2011-01-24/a> | Rob VandenBrink | Where have all the COM Ports Gone? - How enumerating COM ports led to me finding a “misplaced” Microsoft tool |
| 2011-01-15/a> | Jim Clausing | What's up with port 8881? |
| 2011-01-08/a> | Guy Bruneau | PandaLabs 2010 Annual Report |
| 2010-11-24/a> | Jim Clausing | Help with odd port scans |
| 2010-08-16/a> | Raul Siles | The Seven Deadly Sins of Security Vulnerability Reporting |
| 2010-07-29/a> | Rob VandenBrink | The 2010 Verizon Data Breach Report is Out |
| 2010-07-06/a> | Rob VandenBrink | Bogus Support Organizations use Live Operators to Install Malware |
| 2010-06-15/a> | Manuel Humberto Santander Pelaez | Microsoft Windows Help and Support Center vulnerability (CVE 2010-1885) exploit in the wild |
| 2010-04-20/a> | Raul Siles | Are You Ready for a Transportation Collapse...? |
| 2010-03-01/a> | Mark Hofman | Microsoft will drop support for Vista (without any Service Packs) on April 13 and support for XP SP2 ends July 13. (i.e. no more security updates). If you are still running these, it it time to update. |
| 2010-02-03/a> | Rob VandenBrink | Support for Legacy Browsers |
| 2010-01-09/a> | G. N. White | What's Up With All The Port Scanning Using TCP/6000 As A Source Port? |
| 2009-10-28/a> | Johannes Ullrich | Cyber Security Awareness Month - Day 28 - ntp (123/udp) |
| 2009-10-25/a> | Lorna Hutcheson | Cyber Security Awareness Month - Day 25 - Port 80 and 443 |
| 2009-10-21/a> | Pedro Bueno | Cyber Security Awareness Month - Day 21 - Port 135 |
| 2009-10-17/a> | Rick Wanner | Cyber Security Awareness Month - Day 17 - Port 22/SSH |
| 2009-10-15/a> | Deborah Hale | Cyber Security Awareness Month - Day 15 - Ports 995, 465, and 993 - Secure Email |
| 2009-10-11/a> | Mark Hofman | Cyber Security Awareness Month - Day 12 Ports 161/162 Simple Network Management Protocol (SNMP) |
| 2009-10-08/a> | Johannes Ullrich | Cyber Security Awareness Month - Day 8 - Port 25 - SMTP |
| 2009-05-02/a> | Rick Wanner | Significant increase in port 2967 traffic |
| 2009-04-15/a> | Marcus Sachs | 2009 Data Breach Investigation Report |
| 2009-01-21/a> | Raul Siles | Traffic increase for port UDP/8247 |
| 2008-12-16/a> | donald smith | Cisco's Annual Security report has been released. |
| 2008-08-02/a> | Maarten Van Horenbeeck | A little of that human touch |
| 2008-07-02/a> | Jim Clausing | The scoop on the spike in UDP port 7 traffic |
| 2008-05-26/a> | Marcus Sachs | Port 1533 on the Rise |
| 2008-04-27/a> | Marcus Sachs | What's With Port 20329? |
| 2008-04-10/a> | Deborah Hale | DSLReports Being Attacked Again |
| 2008-04-08/a> | Swa Frantzen | Symantec's Global Internet Security Threat Report |
| 2006-11-29/a> | Toby Kohlenberg | New Vulnerability Announcement and patches from Apple |
| 2006-09-21/a> | Johannes Ullrich | Apple updates Airport Drivers |
81 |
| 2024-12-11/a> | Guy Bruneau | Vulnerability Symbiosis: vSphere?s CVE-2024-38812 and CVE-2024-38813 [Guest Diary] |
| 2020-12-18/a> | Jan Kopriva | A slightly optimistic tale of how patching went for CVE-2019-19781 |
| 2020-01-13/a> | Didier Stevens | Citrix ADC Exploits: Overview of Observed Payloads |
| 2020-01-11/a> | Johannes Ullrich | Citrix ADC Exploits are Public and Heavily Used. Attempts to Install Backdoor |
| 2020-01-07/a> | Johannes Ullrich | A Quick Update on Scanning for CVE-2019-19781 (Citrix ADC / Gateway Vulnerability) |
| 2019-03-09/a> | Guy Bruneau | A Comparison Study of SSH Port Activity - TCP 22 & 2222 |
| 2018-08-20/a> | Didier Stevens | OpenSSH user enumeration (CVE-2018-15473) |
| 2017-04-22/a> | Jim Clausing | WTF tcp port 81 |
| 2017-03-03/a> | Lorna Hutcheson | BitTorrent or Something Else? |
| 2014-04-04/a> | Rob VandenBrink | Windows 8.1 Released |
| 2012-05-16/a> | Johannes Ullrich | Got Packets? Odd duplicate DNS replies from 10.x IP Addresses |
| 2011-01-15/a> | Jim Clausing | What's up with port 8881? |
| 2010-03-10/a> | Rob VandenBrink | Microsoft re-release of KB973811 - attacks on Extended Protection for Authentication |
