HASSH

A Profiling Method for SSH Clients and Servers.

541

Security Operations

0

HASSH

A Profiling Method for SSH Clients and Servers.

Security Operations•Threat Hunting

Ssh Brute Force

541stars

GitHub Stars

01 May

Last commit

0

Updated 16 Oct 25

HASSH Description

HASSH is a network fingerprinting standard used to identify specific Client and Server SSH implementations, allowing for easy storage, search, and sharing of MD5 fingerprints. Invented at Salesforce in 2018, now actively maintained by Ben Reardon at Corelight. HASSH can help in detecting and investigating brute force or Cred Stuffing password attempts with higher granularity than IP Source, even in NATed or botnet-like scenarios, and in detecting covert exfiltration of data within SSH Client algorithm sets.

HASSH Description

HASSH is a network fingerprinting standard used to identify specific Client and Server SSH implementations, allowing for easy storage, search, and sharing of MD5 fingerprints. Invented at Salesforce in 2018, now actively maintained by Ben Reardon at Corelight. HASSH can help in detecting and investigating brute force or Cred Stuffing password attempts with higher granularity than IP Source, even in NATed or botnet-like scenarios, and in detecting covert exfiltration of data within SSH Client algorithm sets.

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