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Update link_deactivated_bitly.yml (#883)
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aidenmitchell authored Oct 26, 2023
1 parent aaffe1b commit d3b7f6b
Showing 1 changed file with 4 additions and 4 deletions.
8 changes: 4 additions & 4 deletions detection-rules/link_deactivated_bitly.yml
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
name: "Link: Deactivated bit.ly link"
name: "Link: Flagged bit.ly link"
description: |
Shortened link is blocked by bit.ly. Indicator of malicious email.
Shortened link is blocked or gated by bit.ly. Indicator of malicious email.
type: "rule"
severity: "medium"
source: |
Expand All @@ -10,8 +10,8 @@ source: |
.href_url.domain.root_domain == "bit.ly"
// link doesn't forward through
and beta.linkanalysis(.).effective_url.domain.domain == "bit.ly"
// blocked by bit.ly
and strings.ilike(beta.linkanalysis(.).final_dom.display_text, "*link*blocked*")
// blocked or gated by bit.ly
and strings.ilike(beta.linkanalysis(.).final_dom.display_text, "*link*blocked*", "*flagged*by*")
)
attack_types:
- "Credential Phishing"
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