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Refine rule for Social Security Impersonation #4640

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Merged
cybher0808 merged 3 commits into from
Jun 11, 2026
Merged

Refine rule for Social Security Impersonation #4640

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aa6832b
Refine rule for Social Security Impersonation
cybher0808 Jun 9, 2026
6c8e352
Changes with body.text and keywords
cybher0808 Jun 11, 2026
6772492
Auto-format MQL and add rule IDs
Jun 11, 2026
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11 changes: 9 additions & 2 deletions ...s/impersonation_social_security_admin.yml → detection-rules/impersonation_social_SA.yml
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
name: "Brand Impersonation: Social Security Administration (SSA)"
description: "Detects messages impersonating the Social Security Administration (SSA) that contain links, a suspicious indicator, and are sent from non-government domains by unsolicited or suspicious senders."
name: "Brand impersonation: Social Security Administration"
description: "Detects messages impersonating the Social Security Administration (SSA) through various indicators including display names, subjects, body content, attachments, and HTML titles. The rule identifies SSA references, confusable characters, statement notifications, and credential theft language while excluding legitimate government communications."
type: "rule"
severity: "medium"
source: |
Expand Down Expand Up @@ -59,6 +59,13 @@ source: |
or .inner_text =~ "Social Security Administration"
or .inner_text =~ "Social Security"
)
or (
any(body.links, strings.contains(.href_url.url, 'ssa.gov'))
and strings.icontains(body.current_thread.text,
'download monthly statement'
)
and strings.icontains(body.current_thread.text, 'stay connected')
)
or (
any(ml.nlu_classifier(body.current_thread.text).entities,
.name == "sender" and .text == "Social Security Administration"
Expand Down