Detection rules › Sublime MQL

Brand impersonation: ADP

Severity
medium
Type
rule
Source
github.com/sublime-security/sublime-rules

Impersonation of the payroll provider ADP. Most commonly seen around US tax season (Q1)

Threat classification

Sublime's own taxonomy (not MITRE ATT&CK).

CategoryValues
Attack typesCredential Phishing
Tactics and techniquesImpersonation: Brand, Social engineering

Event coverage

Message attribute
sender
sender.email
type

Rule body MQL

type.inbound
and sender.display_name in~ (
  'RS-Plan-Admin@adp.com',
  'ADP',
  'SecurityServices_NoReply@adp.com'
)
and sender.email.domain.root_domain not in~ (
  'adp.com',
  'adpsurveys.com',
  'adp.com.br'
)
and sender.email.email not in $recipient_emails

Detection logic

Scope: inbound message.

Impersonation of the payroll provider ADP. Most commonly seen around US tax season (Q1)

  1. inbound message
  2. sender.display_name in ('RS-Plan-Admin@adp.com', 'ADP', 'SecurityServices_NoReply@adp.com')
  3. sender.email.domain.root_domain not in ('adp.com', 'adpsurveys.com', 'adp.com.br')
  4. sender.email.email not in $recipient_emails

Inspects: sender.display_name, sender.email.domain.root_domain, sender.email.email, type.inbound. Reference lists: $recipient_emails.

Indicators matched (6)

FieldMatchValue
sender.display_namememberRS-Plan-Admin@adp.com
sender.display_namememberADP
sender.display_namememberSecurityServices_NoReply@adp.com
sender.email.domain.root_domainmemberadp.com
sender.email.domain.root_domainmemberadpsurveys.com
sender.email.domain.root_domainmemberadp.com.br