// MITRE ATT&CK
T1557.001 · Name Resolution Poisoning and SMB Relay
Sub-technique of T1557 · Adversary-in-the-Middle.
By responding to LLMNR/NBT-NS/mDNS network traffic, adversaries may spoof an authoritative source for name resolution to force communication with an adversary controlled system.(Citation: BlackCat ransomware) This activity may be used to collect or relay authentication materials. Link-Local Multic...
How to detect & mitigate it
Detecting Name Resolution Poisoning and SMB Relay starts with your SIEM/EDR telemetry. Write a detection rule with the Sigma generator, analyze suspicious logs in the log analyzer, and place the technique on your coverage with the ATT&CK matrix.
Related techniques
T1557
Adversary-in-the-Middle T1110.001
Password Guessing T1003
OS Credential Dumping T1539
Steal Web Session Cookie T1003.002
Security Account Manager T1552.005
Cloud Instance Metadata API T1555.002
Securityd Memory T1110.002
Password Cracking
Adversary-in-the-Middle T1110.001
Password Guessing T1003
OS Credential Dumping T1539
Steal Web Session Cookie T1003.002
Security Account Manager T1552.005
Cloud Instance Metadata API T1555.002
Securityd Memory T1110.002
Password Cracking
Source: MITRE ATT&CK®. ATT&CK is a registered trademark of The MITRE Corporation. Content for educational purposes.