crypto_campaign #3240
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crypto_campaign #3240
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nasbench
requested changes
Dec 17, 2024
detections/endpoint/windows_account_access_removal_via_quser_logoff.yml
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detections/endpoint/windows_obfuscated_files_or_information_via_rar_sfx.yml
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detections/endpoint/windows_obfuscated_files_or_information_via_rar_sfx.yml
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detections/endpoint/windows_obfuscated_files_or_information_via_rar_sfx.yml
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detections/endpoint/windows_obfuscated_files_or_information_via_rar_sfx.yml
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nasbench
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Jan 7, 2025
detections/endpoint/windows_account_access_removal_via_powershell_initiate_logoff.yml
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detections/endpoint/windows_bidirectional_communication_via_telegram_bot.yml
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detections/endpoint/windows_bidirectional_communication_via_telegram_bot.yml
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| search: '`sysmon` EventCode=22 query = "api.telegram.org" | ||
| | stats count min(_time) as firstTime max(_time) as lastTime by query answer QueryResults QueryStatus process_name process_guid Computer | ||
| | rename Computer as dest | ||
| | `security_content_ctime(firstTime)` | ||
| | `security_content_ctime(lastTime)` | ||
| | `windows_bidirectional_communication_via_telegram_bot_filter`' |
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To be confirmed but I believe The logic needs to exclude the telegram binary on windows because it communicates with the API itself.
I don't know if there is a direct link from the web but excluding browsers is will also avoid FPs
detections/endpoint/windows_file_and_directory_enable_readonly_permissions.yml
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patel-bhavin
approved these changes
Jan 23, 2025
nasbench
approved these changes
Jan 24, 2025
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New Detection
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What does this PR have in it? Screenshots are worth 1000 words 😄
Checklist
<platform>_<mitre att&ck technique>_<short description>nomenclatureNotes For Submitters and Reviewers
buildCI job when it fails will likely show an error about what is failing. You may have a very descriptive error of the specific field(s) in the specific file(s) that is causing an issue. In some cases, its also possible there is an issue with the YAML. Many of these can be caught with the pre-commit hooks if you set them up. These errors will be less descriptive as to what exactly is wrong, but will give you a column and row position in a specific file where the YAML processing breaks. If you're having trouble with this, feel free to add a comment to your PR tagging one of the maintainers and we'll be happy to help troubleshoot it.