In An SMB Relay Race – How To Exploit LLMNR and SMB Message Signing for Fun and Profit, Jordan Drysdale shared the dangers of lack of SMB Signing requirements and […]

The post Bypass NTLM Message Integrity Check – Drop the MIC appeared first on Black Hills Information Security, Inc..

Pentest reports sometimes include bad information under a heading like, “Weak TLS Configuration” or “Insecure SSL Certificates.” This article will explain how TLS is supposed to work, common ways it […]

The post Testing TLS and Certificates  appeared first on Black Hills Information Security, Inc..

Daniel Pizarro // What is the PNPT?  The Practical Network Penetration Tester (PNPT), created by TCM Security (TCMS), is a 5-day ethical hacking certification exam that assesses a pentester’s ability […]

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On this webcast, we’ll guide you through an iterative process of building and deploying effective and practical Group Policy Objects (GPOs) that increase security posture. Slides for this webcast can […]

The post Webcast: Group Policies That Kill Kill Chains appeared first on Black Hills Information Security, Inc..

Click on the timecodes to jump to that part of the video (on YouTube) 2:26 Introduction, background history covering LaBrea Tar Pits and ARP Cache Poisoning and how they relate […]

The post Webcast: How to attack when LLMNR, mDNS, and WPAD attacks fail – eavesarp (Tool Overview) appeared first on Black Hills Information Security, Inc..

Slides for this webcast can be found here: https://www.blackhillsinfosec.com/wp-content/uploads/2020/09/SLIDES_AttackTactics6ReturnofBlueTeam.pdf In this webcast we walk through the step-by-step defenses to stop the attackers in every step of the way we showed […]

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Timecode links take you to YouTube: 4:11 – Infrastructure & Background8:28 – Overview & Breakdown of Attack Methodology and Plans11:35 – Start of Attack (Gaining Access), Password Spraying Toolkit15:24 – […]

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Jordan Drysdale// This is basically a slight update and rip off of Marcello’s work out here: https://byt3bl33d3r.github.io/practical-guide-to-ntlm-relaying-in-2017-aka-getting-a-foothold-in-under-5-minutes.html /tl;dr – Zero to DA on an environment through an exposed Outlook Web […]

The post An SMB Relay Race – How To Exploit LLMNR and SMB Message Signing for Fun and Profit appeared first on Black Hills Information Security, Inc..

Kent Ickler & Jordan Drysdale // BHIS Webcast and Podcast This post accompanies BHIS’s webcast recorded on August 7, 2018, Active Directory Best Practices to Frustrate Attackers, which you can view below. […]

The post Active Directory Best Practices to Frustrate Attackers: Webcast & Write-up appeared first on Black Hills Information Security, Inc..

Kent Ickler // Link-Local Multicast Name Resolution (LLMNR) This one is a biggie, and you’ve probably heard Jordan, John, me, and all the others say it many many times. LLMNR […]

The post How To Disable LLMNR & Why You Want To appeared first on Black Hills Information Security, Inc..