Detection rules › Sublime MQL
Brand impersonation: DigitalOcean
Impersonation of the cloud provider DigitalOcean.
Threat classification
Sublime's own taxonomy (not MITRE ATT&CK).
| Category | Values |
|---|---|
| Attack types | Credential Phishing |
| Tactics and techniques | Impersonation: Brand, Lookalike domain, Social engineering |
Event coverage
| Message attribute |
|---|
| sender |
| sender.email |
| type |
Rule body MQL
type.inbound
and (
sender.display_name =~ 'digitalocean'
or strings.ilevenshtein(sender.display_name, 'digitalocean') <= 2
or strings.ilike(sender.email.domain.domain, '*digitalocean*')
)
and sender.email.domain.root_domain not in (
'digitalocean.com',
'paperspace.com',
'coupahost.com' // third party supplier used by DigitalOcean
)
and (
not profile.by_sender().solicited
or (
profile.by_sender().any_messages_malicious_or_spam
and not profile.by_sender().any_messages_benign
)
)
and not profile.by_sender().any_messages_benign
Detection logic
Scope: inbound message.
Impersonation of the cloud provider DigitalOcean.
- inbound message
any of:
- sender.display_name is 'digitalocean'
- sender.display_name is similar to 'digitalocean'
- sender.email.domain.domain matches '*digitalocean*'
- sender.email.domain.root_domain not in ('digitalocean.com', 'paperspace.com', 'coupahost.com')
any of:
not:
- profile.by_sender().solicited
all of:
- profile.by_sender().any_messages_malicious_or_spam
not:
- profile.by_sender().any_messages_benign
not:
- profile.by_sender().any_messages_benign
Inspects: sender.display_name, sender.email.domain.domain, sender.email.domain.root_domain, type.inbound. Sensors: profile.by_sender, strings.ilevenshtein, strings.ilike.
Indicators matched (6)
| Field | Match | Value |
|---|---|---|
sender.display_name | equals | digitalocean |
strings.ilevenshtein | fuzzy | digitalocean |
strings.ilike | substring | *digitalocean* |
sender.email.domain.root_domain | member | digitalocean.com |
sender.email.domain.root_domain | member | paperspace.com |
sender.email.domain.root_domain | member | coupahost.com |