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Added detection testing service results inPowershell Enable SMB1Protocol Feature
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@@ -6,13 +6,13 @@ author: Teoderick Contreras, Splunk
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type: batch
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datamodel:
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- Endpoint
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description: This search is to detect a suspicious enabling of smb1protocol through "powershell.exe".
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This technique was seen in some ransomware (like reddot) where it enable smb share to do the lateral movement and
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encrypt other files within the compromise network system.
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search: '`powershell` EventCode=4104 Message = "*Enable-WindowsOptionalFeature*" Message = "*SMB1Protocol*"
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| stats count min(_time) as firstTime max(_time) as lastTime by EventCode Message ComputerName User
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| `security_content_ctime(firstTime)`
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| `security_content_ctime(lastTime)`
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description: This search is to detect a suspicious enabling of smb1protocol through
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"powershell.exe". This technique was seen in some ransomware (like reddot) where
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it enable smb share to do the lateral movement and encrypt other files within the
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compromise network system.
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search: '`powershell` EventCode=4104 Message = "*Enable-WindowsOptionalFeature*" Message
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= "*SMB1Protocol*" | stats count min(_time) as firstTime max(_time) as lastTime
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by EventCode Message ComputerName User | `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)`
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| `powershell_enable_smb1protocol_feature_filter`'
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how_to_implement: To successfully implement this search, you need to be ingesting
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logs with the powershell logs from your endpoints. make sure you enable needed
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@@ -38,4 +38,7 @@ tags:
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- Message
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- ComputerName
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- User
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security_domain: endpoint
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security_domain: endpoint
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automated_detection_testing: passed
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dataset:
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- https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/malware/ransomware_ttp/data2/windows-powershell.log
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