diff --git a/detection-rules/abuse_exacttarget_sender_domain.yml b/detection-rules/abuse_exacttarget_sender_domain.yml index ac0f7083cfe..25630d28b5e 100644 --- a/detection-rules/abuse_exacttarget_sender_domain.yml +++ b/detection-rules/abuse_exacttarget_sender_domain.yml @@ -1,5 +1,5 @@ -name: "Service Abuse: ExactTarget with suspicious sender domain" -description: "Message originates from ExactTarget infrastructure but uses a suspicious sender domain, including overly long salesforce.com domains, awsapps.com domains, or domains containing UTF-8 encoding characters." +name: "Service Abuse: ExactTarget with suspicious sender indicators" +description: "Message originates from ExactTarget infrastructure but uses a suspicious sender domain, including overly long salesforce.com domains, awsapps.com domains, domains containing UTF-8 encoding characters, or a suspicious sender display name." type: "rule" severity: "high" source: | @@ -12,6 +12,9 @@ source: | ) or sender.email.domain.root_domain == "awsapps.com" or strings.icontains(sender.email.domain.domain, '?utf-8') + or regex.icontains(sender.display_name, + '.*\|.*(Manager|Careers|Recruitment|Specialist|Global)' + ) ) attack_types: