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Update impersonation_dhl.yml #2092

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Update impersonation_dhl.yml #2092

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887850c
Update impersonation_dhl.yml
zoomequipd Nov 5, 2024
c79cba7
add qr code in message screenshot
zoomequipd Dec 11, 2024
40aa3de
Merge branch 'main' into zoomequipd-patch-30
zoomequipd Dec 11, 2024
158303c
Update impersonation_dhl.yml
zoomequipd Dec 26, 2024
ab5ff8d
Merge branch 'main' into zoomequipd-patch-30
zoomequipd Dec 26, 2024
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12 changes: 8 additions & 4 deletions detection-rules/impersonation_dhl.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,10 @@ source: |
type.inbound
and (
regex.icontains(sender.display_name, '\bDHL\b')
or strings.ilike(sender.email.domain.domain, '*DHL*')
or (
strings.ilike(sender.email.domain.domain, '*DHL*')
and length(sender.email.domain.domain) < 15
)
or strings.ilike(subject.subject, '*DHL notification*')
or regex.contains(subject.subject, '\bD.{0,2}H.{0,2}L.{0,2}\b')
)
Expand All @@ -23,6 +26,8 @@ source: |
.name == "DHL" and .confidence in ("medium", "high")
)
or regex.icontains(body.current_thread.text, '\bDHL\b')
// it contains a QR code
or any(file.explode(beta.message_screenshot()), .scan.qr.url.url is not null)
or (
any(file.explode(beta.message_screenshot()),
strings.ilike(.scan.ocr.raw,
Expand Down Expand Up @@ -86,7 +91,7 @@ source: |
'dhltariff.co.uk',
'dhlindia-kyc.com',
'dpogroup.com',
'4flow-service.com' // shipping service
'4flow-service.com' // shipping service
)
and (
profile.by_sender().prevalence in ("new", "outlier")
Expand All @@ -95,7 +100,7 @@ source: |
and not profile.by_sender().any_false_positives
)
)

// negate highly trusted sender domains unless they fail DMARC authentication
and (
(
Expand All @@ -104,7 +109,6 @@ source: |
)
or sender.email.domain.root_domain not in $high_trust_sender_root_domains
)

attack_types:
- "Credential Phishing"
tactics_and_techniques:
Expand Down
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