detection.wiki

LsaSrv › Event 300

Event ID 300 — Groups assigned to a new logon.

Provider
LsaSrv
Channel
Operational
Level
Informational
Collection Priority
Recommended (Microsoft-WEF, others)

Description

Groups assigned to a new logon.

Message #

Groups assigned to a new logon.

New Logon:
	Security ID: %1
	Account Name: %2
	Account Domain: %3
	Logon ID: %4
	Logon GUID: %5

Event in sequence: %6 of %7

Group Membership: %8

Fields #

NameDescription
TargetUserSid SID[New Logon] Security ID.
TargetUserName UnicodeString[New Logon] Account Name.
TargetDomainName UnicodeString[New Logon] Account Domain.
TargetLogonId HexInt64[New Logon] Logon ID.
TargetLogonGuid GUID[New Logon] Logon GUID.
EventOrginal UInt32[New Logon] Event in sequence.
EventCountTotal UInt32—
SidList UnicodeString[New Logon] Group Membership.

Example Event #

{
  "system": {
    "provider": "LsaSrv",
    "guid": "199FE037-2B82-40A9-82AC-E1D46C792B99",
    "event_source_name": "",
    "event_id": 300,
    "version": 0,
    "level": 4,
    "task": 0,
    "opcode": 0,
    "keywords": 2305843009213693952,
    "time_created": "2023-11-06T02:03:41.600577+00:00",
    "event_record_id": 220,
    "correlation": {
      "ActivityID": "E4DB489E-1037-0001-0C49-DBE43710DA01"
    },
    "execution": {
      "process_id": 808,
      "thread_id": 844
    },
    "channel": "Microsoft-Windows-LSA/Operational",
    "computer": "WinDev2310Eval",
    "security": {
      "user_id": "S-1-5-18"
    }
  },
  "event_data": {
    "TargetUserSid": "S-1-5-20",
    "TargetUserName": "NETWORK SERVICE",
    "TargetDomainName": "NT AUTHORITY",
    "TargetLogonId": "0x3e4",
    "TargetLogonGuid": "00000000-0000-0000-0000-000000000000",
    "EventOrginal": 1,
    "EventCountTotal": 1,
    "SidList": "\r\n\t\t%{S-1-5-20}\r\n\t\t%{S-1-1-0}\r\n\t\t%{S-1-5-32-545}\r\n\t\t%{S-1-5-6}\r\n\t\t%{S-1-2-1}\r\n\t\t%{S-1-5-11}\r\n\t\t%{S-1-5-15}\r\n\t\t%{S-1-5-80-123231216-2592883651-3715271367-3753151631-4175906628}\r\n\t\t%{S-1-2-0}\r\n\t\t%{S-1-5-32-545}"
  },
  "message": ""
}

Detection Rules #

View all rules referencing this event →

Sigma # view in reference

References #