Detection rules › Sublime MQL
Open redirect: pmifunds.com
Message contains use of the pmifunds.com redirect. This has been exploited in the wild.
Threat classification
Sublime's own taxonomy (not MITRE ATT&CK).
| Category | Values |
|---|---|
| Attack types | Credential Phishing, Malware/Ransomware |
| Tactics and techniques | Open redirect |
Event coverage
Rule body MQL
type.inbound
and any(body.links,
.href_url.domain.domain == "trk.pmifunds.com"
and strings.icontains(.href_url.query_params, 'l=')
// not links where they redirect to pmifunds.com
and not regex.icontains(.href_url.query_params, 'l=[^&]*pmifunds\.com')
)
// remove uses that originate from pmifunds.com
and not any(headers.domains, .root_domain == "pmifunds.com")
// negate highly trusted sender domains unless they fail DMARC authentication
and (
(
sender.email.domain.root_domain in $high_trust_sender_root_domains
and not headers.auth_summary.dmarc.pass
)
or sender.email.domain.root_domain not in $high_trust_sender_root_domains
)
Detection logic
Scope: inbound message.
Message contains use of the pmifunds.com redirect. This has been exploited in the wild.
- inbound message
any of
body.linkswhere all hold:- .href_url.domain.domain is 'trk.pmifunds.com'
- .href_url.query_params contains 'l='
not:
- .href_url.query_params matches 'l=[^&]*pmifunds\\.com'
not:
any of
headers.domainswhere:- .root_domain is 'pmifunds.com'
any of:
all of:
- sender.email.domain.root_domain in $high_trust_sender_root_domains
not:
- headers.auth_summary.dmarc.pass
- sender.email.domain.root_domain not in $high_trust_sender_root_domains
Inspects: body.links, body.links[].href_url.domain.domain, body.links[].href_url.query_params, headers.auth_summary.dmarc.pass, headers.domains, headers.domains[].root_domain, sender.email.domain.root_domain, type.inbound. Sensors: regex.icontains, strings.icontains. Reference lists: $high_trust_sender_root_domains.
Indicators matched (4)
| Field | Match | Value |
|---|---|---|
body.links[].href_url.domain.domain | equals | trk.pmifunds.com |
strings.icontains | substring | l= |
regex.icontains | regex | l=[^&]*pmifunds\.com |
headers.domains[].root_domain | equals | pmifunds.com |