IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
« Roshal Archive (RAR) or PowerShell File Downloaded from the Internet SMB (Windows File Sharing) Activity to the Internet »
Elastic Docs ›Elastic Security Solution [7.16] ›Detections and alerts ›Prebuilt rule reference

SIP Provider Modification

edit

SIP Provider Modification

edit

Identifies modifications to the registered Subject Interface Package (SIP) providers. SIP providers are used by the Windows cryptographic system to validate file signatures on the system. This may be an attempt to bypass signature validation checks or inject code into critical processes.

Rule type: eql

Rule indices:

  • winlogbeat-*
  • logs-endpoint.events.*
  • logs-windows.*

Severity: medium

Risk score: 47

Runs every: 5 minutes

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Defense Evasion

Version: 1

Added (Elastic Stack release): 7.12.0

Rule authors: Elastic

Rule license: Elastic License v2

Rule query

edit
registry where event.type:"change" and registry.path: (
"HKLM\\SOFTWARE\\Microsoft\\Cryptography\\OID\\EncodingType
0\\CryptSIPDllPutSignedDataMsg\\{*}\\Dll", "HKLM\\SOFTWARE\\WOW643
2Node\\Microsoft\\Cryptography\\OID\\EncodingType
0\\CryptSIPDllPutSignedDataMsg\\{*}\\Dll", "HKLM\\SOFTWARE\\Micros
oft\\Cryptography\\Providers\\Trust\\FinalPolicy\\{*}\\$Dll", "HKL
M\\SOFTWARE\\WOW6432Node\\Microsoft\\Cryptography\\Providers\\Trust\\F
inalPolicy\\{*}\\$Dll" ) and registry.data.strings:"*.dll"

Threat mapping

edit

Framework: MITRE ATT&CKTM

« Roshal Archive (RAR) or PowerShell File Downloaded from the Internet SMB (Windows File Sharing) Activity to the Internet »