diff --git a/detections/endpoint/windows_powerview_kerberos_service_ticket_request.yml b/detections/endpoint/windows_powerview_kerberos_service_ticket_request.yml index 1aec804c00..62f617ca3e 100644 --- a/detections/endpoint/windows_powerview_kerberos_service_ticket_request.yml +++ b/detections/endpoint/windows_powerview_kerberos_service_ticket_request.yml @@ -13,8 +13,8 @@ description: The following analytic utilizes PowerShell Script Block Logging (Ev using password cracking tools like hashcat to extract the password of the SPN account. Red Teams and adversaries alike may leverage PowerView and these commandlets to identify accounts that can be attacked with the Kerberoasting technique. -search: '`powershell` EventCode=4104 Message=*Get-DomainSPNTicket* -| stats count min(_time) as firstTime max(_time) as lastTime by EventCode Message ComputerName User +search: '`powershell` EventCode=4104 ScriptBlockText=*Get-DomainSPNTicket* +| stats count min(_time) as firstTime max(_time) as lastTime by EventCode ScriptBlockText Computer | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)` | `windows_powerview_kerberos_service_ticket_request_filter`' how_to_implement: The following analytic requires PowerShell operational logs @@ -40,11 +40,11 @@ tags: - Source:Endpoint - Stage:Recon dataset: - - https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1558.003/powerview/windows-powershell.log + - https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1558.003/powerview/windows-powershell-xml.log impact: 30 kill_chain_phases: - Exploitation - message: PowerView commandlets used for requesting SPN service ticket executed on $Computer_Name$ + message: PowerView commandlets used for requesting SPN service ticket executed on $Computer$ mitre_attack_id: - T1558 - T1558.003 @@ -62,8 +62,7 @@ tags: required_fields: - _time - EventCode - - Result_Code - - Account_Name - - Client_Address + - Computer + - ScriptBlockText risk_score: 27 security_domain: endpoint diff --git a/detections/endpoint/windows_powerview_spn_discovery.yml b/detections/endpoint/windows_powerview_spn_discovery.yml index 7a02c52b2e..223591c5aa 100644 --- a/detections/endpoint/windows_powerview_spn_discovery.yml +++ b/detections/endpoint/windows_powerview_spn_discovery.yml @@ -43,7 +43,7 @@ tags: kill_chain_phases: - Reconnaissance - Exploitation - message: PowerView commandlets used for SPN discovery executed on $Computer_Name$ + message: PowerView commandlets used for SPN discovery executed on $Computer$ mitre_attack_id: - T1558 - T1558.003 @@ -61,8 +61,7 @@ tags: required_fields: - _time - EventCode - - Result_Code - - Account_Name - - Client_Address + - Computer + - ScriptBlockText risk_score: 27 security_domain: endpoint diff --git a/tests/endpoint/windows_powerview_kerberos_service_ticket_request.test.yml b/tests/endpoint/windows_powerview_kerberos_service_ticket_request.test.yml index 178ac8db66..ccad67d5a9 100644 --- a/tests/endpoint/windows_powerview_kerberos_service_ticket_request.test.yml +++ b/tests/endpoint/windows_powerview_kerberos_service_ticket_request.test.yml @@ -6,7 +6,7 @@ tests: earliest_time: -24h latest_time: now attack_data: - - file_name: windows-powershell.log - data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1558.003/powerview/windows-powershell.log - source: WinEventLog:Microsoft-Windows-PowerShell/Operational - sourcetype: WinEventLog + - file_name: windows-powershell-xml.log + data: https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1558.003/powerview/windows-powershell-xml.log + source: XmlWinEventLog:Microsoft-Windows-PowerShell/Operational + sourcetype: XmlWinEventLog