David Cash

Making New Connections – Leveraging Cisco AnyConnect Client to Drop and Run Payloads

The Cisco AnyConnect client has received a fair amount of scrutiny from the security community over the years, with a particular focus on leveraging the vpnagent.exe service for privilege escalation. A while ago, we started to look at whether AnyConnect could be used to deliver payloads during red team engagements…

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March 1, 2023

9 mins read

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MSSQL Lateral Movement

Using discovered credentials to move laterally in an environment is a common goal for the NCC Group FSAS team. The ability to quickly and reliably use a newly gained set of credentials is essential during time-constrained operations. This blog post explains how to automate lateral movement via MSSQL CLR without…

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January 21, 2021

5 mins read

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Sign over Your Hashes – Stealing NetNTLM Hashes via Outlook Signatures

In your emails, getting your hashes  Capturing NetNTLM hashes from network communications is nothing new; a quick Google for ‘Capture NTLM Hashes’ throws up blog posts discussing the various ways to force SMB communications to an attacker and the numerous existing tools to capture the authentication attempt and extract the password hash. Sniffing…

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January 15, 2021

8 mins read

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Using SharePoint as a Phishing Platform

Introduction The rise of endpoint protection and the use of mobile operating systems has created additional challenges when targeting corporate users with phishing payloads designed to execute code on their endpoint device. Credential capture campaigns offer an alternative chance to leverage remote working solutions such as VPNs or Desktop Gateways…

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May 14, 2020

6 mins read

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CloudWatch: Amazon Web Services & Shellshock

Introduction As more of our services move to rented virtual servers, applying centralised protective monitoring becomes more of a challenge. Offerings such as Assuria’s Cloud Security Suite and Splunk’s Storm show the demand for elastic and easily configurable monitoring that can be deployed on cloud provisioned infrastructure. Amazon has responded…

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