Possible SHLO replay attack

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About the rule

Rule Type

Standard

Rule Description

Detects replay of TLS Server Hello messages indicating a potential attempt to hijack or spoof a TLS session.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "DETECTION_ACTION_SONICWALL_SHLO_REPLAY_ATTACK" select Action1.HOSTNAME,Action1.IDS_NAME,Action1.IDS_STATUS,Action1.EVENTID,Action1.SOURCE_IP,Action1.DEST_IP,Action1.DESCRIPTION,Action1.MESSAGE

Detection

Execution Mode

realtime

Log Sources

SonicWall