NetExec Credential Spraying via SMB/LDAP Targeting Multiple Hosts

Ibrahim Saud@tektrix

•updated Jun 30, 2026•0•0•8

Detects high-frequency, sequential authentication failures across multiple internal targets (SMB/LDAP) initiated from a single internal IP address. This behavior is consistent with credential spraying or lateral movement reconnaissance tools like NetExec or similar automation scripts, often originating from compromised internal assets such as virtual machines.