diff --git a/rules/windows/defense_evasion_network_connection_from_windows_binary.toml b/rules/windows/defense_evasion_network_connection_from_windows_binary.toml index d801bed1aa5..0f056604d45 100644 --- a/rules/windows/defense_evasion_network_connection_from_windows_binary.toml +++ b/rules/windows/defense_evasion_network_connection_from_windows_binary.toml @@ -4,7 +4,7 @@ integration = ["endpoint", "windows"] maturity = "production" min_stack_comments = "New fields added: required_fields, related_integrations, setup" min_stack_version = "8.3.0" -updated_date = "2022/12/14" +updated_date = "2023/01/31" [rule] author = ["Elastic"] @@ -63,7 +63,13 @@ sequence by process.entity_id with maxspan=5m process.name : "MSBuild.exe" or process.name : "msdt.exe" or process.name : "mshta.exe" or - process.name : "msiexec.exe" or + ( + process.name : "msiexec.exe" and not + dns.question.name : ( + "ocsp.digicert.com", "ocsp.verisign.com", "ocsp.comodoca.com", "ocsp.entrust.net", "ocsp.usertrust.com", + "ocsp.godaddy.com", "ocsp.camerfirma.com", "ocsp.globalsign.com", "ocsp.sectigo.com", "*.local" + ) + ) or process.name : "msxsl.exe" or process.name : "odbcconf.exe" or process.name : "rcsi.exe" or