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James coote

Using and detecting C2 printer pivoting

A novel Command & Control (C2) technique using printer infrastructure for covert communication is explored in this article. The method involves placing print jobs in a paused state and using document names for data transfer. Multiple detection opportunities are detailed across endpoints, networks, and print servers to identify this stealthy communication method.

Introducing LDAP C2 for C3

A new Command & Control (C2) channel for C3 has been introduced using LDAP for covert communication within networks. The technique enables lateral movement by leveraging user attributes with minimal account compromise. A quick start guide is provided to help deploy LDAP-based C2 channels in network environments.