Detection rules › Sublime MQL
Open redirect: Doubleclick.net
Doubleclick.net link leveraging an open redirect from a new or outlier sender.
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
| Message attribute |
|---|
| body |
| body.links (collection) |
| type |
Rule body MQL
type.inbound
and length(body.links) < 10
and any(body.links,
.href_url.domain.root_domain == "doubleclick.net"
and (
strings.icontains(.href_url.path, "/aclk")
or strings.icontains(.href_url.path, "/pcs/click")
or strings.icontains(.href_url.path, "/searchads/link/click")
)
and regex.icontains(.href_url.query_params,
'&(?:adurl|ds_dest_url)=(?:[a-z]+(?:\:|%3a))?(?:\/|%2f)(?:\/|%2f)'
)
)
Detection logic
Scope: inbound message.
Doubleclick.net link leveraging an open redirect from a new or outlier sender.
- inbound message
- length(body.links) < 10
any of
body.linkswhere all hold:- .href_url.domain.root_domain is 'doubleclick.net'
any of:
- .href_url.path contains '/aclk'
- .href_url.path contains '/pcs/click'
- .href_url.path contains '/searchads/link/click'
- .href_url.query_params matches '&(?:adurl|ds_dest_url)=(?:[a-z]+(?:\\:|%3a))?(?:\\/|%2f)(?:\\/|%2f)'
Inspects: body.links, body.links[].href_url.domain.root_domain, body.links[].href_url.path, body.links[].href_url.query_params, type.inbound. Sensors: regex.icontains, strings.icontains.
Indicators matched (5)
| Field | Match | Value |
|---|---|---|
body.links[].href_url.domain.root_domain | equals | doubleclick.net |
strings.icontains | substring | /aclk |
strings.icontains | substring | /pcs/click |
strings.icontains | substring | /searchads/link/click |
regex.icontains | regex | &(?:adurl|ds_dest_url)=(?:[a-z]+(?:\:|%3a))?(?:\/|%2f)(?:\/|%2f) |