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Adds 2 new IOK rules for Santander kits #55

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merged 2 commits into from
Aug 10, 2022
Merged

Adds 2 new IOK rules for Santander kits #55

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efad379
Create santander-85b6cae.yml
IlluminatiFish Aug 9, 2022
798b181
Create santander-951d27d.yml
IlluminatiFish Aug 9, 2022
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24 changes: 24 additions & 0 deletions indicators/santander-85b6cae.yml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,24 @@
title: Santander Phishing Kit 85b6cae
description: |
Detects a Santander phishing kit targeting Spanish speaking users.

references:
- https://urlscan.io/result/56fb9b2c-e078-4d1d-b8a6-e6e5147e90d3
- https://urlscan.io/result/5ccf3cfc-cc1a-432d-a6e2-575f80742672

detection:

usernameLabelID:
html|contains: 'EB8236264AE3C04429B8F46076848E7B'

passwordLabelID:
html|contains: '85B6CAE065D33FEEEB4297826ECB9B2D'

exfilDestination:
html|contains: 'database_setup/routes/process_login.php'


condition: usernameLabelID and passwordLabelID and exfilDestination

tags:
- target.santander
27 changes: 27 additions & 0 deletions indicators/santander-951d27d.yml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,27 @@
title: Santander Phishing Kit 951d27d
description: |
Detects a Santander phishing kit targeting Spanish speaking users.

references:
- https://urlscan.io/result/d7f3f389-d10b-4b83-a45c-ba7f8ec54035
- https://urlscan.io/result/1c849740-38f2-4442-94f8-bf2147cc587e

detection:

cloneTimestamp:
requests|contains: '?v=1655293257536'

usernameLabelID:
html|contains: '47563B2825160654ADB2CC97CE152AF3'
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This is a good example of where #38 could be problematic. For these sites the HTML and DOM are very different

The HTML is the static stuff loaded from the server whereas it seems this kit builds most of the page dynamically using JS.

Let's add this rule for now, but I'll keep a note to update it once we've got DOM support

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@IlluminatiFish IlluminatiFish Aug 10, 2022 •
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I'm not sure this kit is dynamically generated by JS as you have suggested, I see nothing to indicate such behaviour. Also managed to see why the 2nd reference did not flag, it is because the username & password label IDs are not present in the DOM, will adjust the rule accordingly now.


passwordLabelID:
html|contains: '951D27D1CD8413E25C1D61149F928D85'

exfilDestination:
html|contains: '/atualiza'


condition: cloneTimestamp and usernameLabelID and passwordLabelID and exfilDestination

tags:
- target.santander