Alert for IOCs related to Windows/ELF malware - IP, Hash IOCs - September 2021
| Id | d992b87b-eb49-4a9d-aa96-baacf9d26247 |
| Rulename | Alert for IOCs related to Windows/ELF malware - IP, Hash IOCs - September 2021 |
| Description | Identifies a match across various data feeds for IP,hashes and IOCs related to Windows/ELF malware published by Black Lotus Labs Reference: https://blog.lumen.com/no-longer-just-theory-black-lotus-labs-uncovers-linux-executables-deployed-as-stealth-windows-loaders https://github.com/ManuelBerrueta/YARA-rules/blob/master/BlackLotusLabs-WSLMalware/BLL_SneakyWSL.yar |
| Severity | Medium |
| Tactics | Impact |
| Techniques | T1496 |
| Required data connectors | AzureFirewall CEF CheckPoint CiscoASA F5 Fortinet MicrosoftThreatProtection PaloAltoNetworks SecurityEvents WindowsFirewall WindowsForwardedEvents WindowsSecurityEvents |
| Kind | Scheduled |
| Query frequency | 6h |
| Query period | 6h |
| Trigger threshold | 0 |
| Trigger operator | gt |
| Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Analytic Rules/WSLMalwareCorrelation.yaml |
| Version | 1.2.1 |
| Arm template | d992b87b-eb49-4a9d-aa96-baacf9d26247.json |
let IPList = dynamic(["185.63.90.137"]);
let IPRegex = '[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}';
let sha256Hashes =
dynamic(["53854c6d163bfd0c56d8b297ac43bd25c21f696de6063031241e792ee65df441",
"c297e545b8f150cc5ff56dbb68dc74fe30a421d9d40f38f4a53083192697c44c",
"17921368901f23e0cad0d2fe4ce5694aebaf4727699ed0358117500701914d1b",
"198a2d42df010d838b4207f478d885ef36e3db13b1744d673e221b828c28bf77",
"71d7b48c2fdc7b57b104a7858a35165bbed21d2fa7e34828d6c1d50b2b33a1d0",
"601227d52c6e367e11b80240183d07d38bc11a88e844e8401fce17eb25e92ba8",
"63ff04bed4fdb120a9cb9b1ea7fd88e83f12fb01ab6a057088f8016e663b48d4",
"a3037c3389b811bc1404f719af5c8b9034c5e24710cf3a0b457d28bf1b922cf7",
"e19b8be1b21c066d60725e550f8455f824065abbf1b43f7b2fe4fb338b241ffc",
"a3037c3389b811bc1404f719af5c8b9034c5e24710cf3a0b457d28bf1b922cf7"
]);
(union isfuzzy=true
(CommonSecurityLog
| where SourceIP in (IPList) or DestinationIP in (IPList) or Message has_any (IPList)
| project TimeGenerated, SourceIP, DestinationIP, Message, SourceUserID, RequestURL
| extend MessageIP = extract(IPRegex, 0, Message)
| extend IPMatch = case(SourceIP in (IPList), "SourceIP", DestinationIP in (IPList), "DestinationIP", MessageIP in (IPList), "Message", MessageIP in (IPList), "Message", "NoMatch")
| extend timestamp = TimeGenerated, IPCustomEntity = case(IPMatch == "SourceIP", SourceIP, IPMatch == "DestinationIP", DestinationIP, IPMatch == "Message", MessageIP, "NoMatch"), AccountCustomEntity = SourceUserID
),
(DeviceNetworkEvents
| where RemoteIP in (IPList) or InitiatingProcessSHA256 in (sha256Hashes)
| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, RemoteIP, RemoteUrl, RemotePort, LocalIP
| extend timestamp = TimeGenerated, DNSName = RemoteUrl, IPCustomEntity = RemoteIP, HostCustomEntity = DeviceName
),
(WindowsFirewall
| where SourceIP in (IPList) or DestinationIP in (IPList)
| project TimeGenerated, Computer, CommunicationDirection, SourceIP, DestinationIP, SourcePort, DestinationPort
| extend IPMatch = case( SourceIP in (IPList), "SourceIP", DestinationIP in (IPList), "DestinationIP", "None")
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , IPCustomEntity = case(IPMatch == "SourceIP", SourceIP, IPMatch == "DestinationIP", DestinationIP, "None")
),
(AzureDiagnostics
| where ResourceType == "AZUREFIREWALLS"
| where Category == "AzureFirewallApplicationRule"
| project TimeGenerated,Resource, msg_s
| parse msg_s with Protocol 'request from ' SourceHost ':' SourcePort 'to ' DestinationHost ':' DestinationPort '. Action:' Action
| where isnotempty(DestinationHost)
| where SourceHost in (IPList) or DestinationHost in (IPList)
| extend timestamp = TimeGenerated, DNSName = DestinationHost, IPCustomEntity = SourceHost
),
(AZFWApplicationRule
| where isnotempty(Fqdn)
| where SourceIp in (IPList) or Fqdn in (IPList)
| extend timestamp = TimeGenerated
| extend DNSName = Fqdn
| extend IPCustomEntity = SourceIp
),
(AZFWDnsQuery
| where isnotempty(QueryName)
| where SourceIp in (IPList) or QueryName in (IPList)
| extend timestamp = TimeGenerated
| extend DNSName = QueryName
| extend IPCustomEntity = SourceIp
),
(DeviceFileEvents
| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, RequestAccountName, RequestSourceIP, InitiatingProcessSHA256
| extend Account = RequestAccountName, Computer = DeviceName, IPAddress = RequestSourceIP, CommandLine = InitiatingProcessCommandLine, FileHash = InitiatingProcessSHA256
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = InitiatingProcessFileName, AlgorithmCustomEntity = "SHA256", FileHashCustomEntity = FileHash
| where FileHash in (sha256Hashes)
),
(CommonSecurityLog
| where FileHash in (sha256Hashes)
| project TimeGenerated, Message, SourceUserID, FileHash
| extend timestamp = TimeGenerated, AlgorithmCustomEntity = "SHA256", FileHashCustomEntity = FileHash
),
(DeviceEvents
| where InitiatingProcessSHA256 in~ (sha256Hashes)
| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256
| extend Account = InitiatingProcessAccountName, Computer = DeviceName, CommandLine = InitiatingProcessCommandLine, FileHash = InitiatingProcessSHA256, Image = InitiatingProcessFolderPath
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = InitiatingProcessFileName, AlgorithmCustomEntity = "SHA256", FileHashCustomEntity = FileHash
),
(SecurityEvent
| where EventID == '4688'
| where CommandLine has_any (IPList)
| project TimeGenerated, Computer, NewProcessName, ParentProcessName, Account, NewProcessId
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = NewProcessName
),
(WindowsEvent
| where EventID == '4688' and has_any_ipv4(EventData, toscalar(IPList))
| extend NewProcessName = tostring(EventData.NewProcessName)
| where NewProcessName in (IPList)
| extend ParentProcessName = tostring(EventData.ParentProcessName)
| extend Account = strcat(EventData.SubjectDomainName,"\\", EventData.SubjectUserName)
| extend NewProcessId = tostring(EventData.NewProcessId)
| project TimeGenerated, Computer, NewProcessName, ParentProcessName, Account, NewProcessId
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = NewProcessName
)
)
version: 1.2.1
status: Available
queryFrequency: 6h
metadata:
categories:
domains:
- Security - Threat Intelligence
author:
name: Jessen
support:
tier: Community
source:
kind: Community
requiredDataConnectors:
- connectorId: F5
dataTypes:
- CommonSecurityLog
- connectorId: CiscoASA
dataTypes:
- CommonSecurityLog
- connectorId: PaloAltoNetworks
dataTypes:
- CommonSecurityLog
- connectorId: Fortinet
dataTypes:
- CommonSecurityLog
- connectorId: CheckPoint
dataTypes:
- CommonSecurityLog
- connectorId: CEF
dataTypes:
- CommonSecurityLog
- connectorId: MicrosoftThreatProtection
dataTypes:
- DeviceNetworkEvents
- DeviceFileEvents
- DeviceEvents
- connectorId: SecurityEvents
dataTypes:
- SecurityEvent
- connectorId: AzureFirewall
dataTypes:
- AzureDiagnostics
- AZFWApplicationRule
- AZFWDnsQuery
- connectorId: WindowsFirewall
dataTypes:
- WindowsFirewall
- connectorId: WindowsSecurityEvents
dataTypes:
- SecurityEvents
- connectorId: WindowsForwardedEvents
dataTypes:
- WindowsEvent
entityMappings:
- fieldMappings:
- columnName: AccountCustomEntity
identifier: FullName
entityType: Account
- fieldMappings:
- columnName: HostCustomEntity
identifier: FullName
entityType: Host
- fieldMappings:
- columnName: IPCustomEntity
identifier: Address
entityType: IP
- fieldMappings:
- columnName: ProcessCustomEntity
identifier: ProcessId
entityType: Process
- fieldMappings:
- columnName: AlgorithmCustomEntity
identifier: Algorithm
- columnName: FileHashCustomEntity
identifier: Value
entityType: FileHash
kind: Scheduled
queryPeriod: 6h
severity: Medium
query: |
let IPList = dynamic(["185.63.90.137"]);
let IPRegex = '[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}';
let sha256Hashes =
dynamic(["53854c6d163bfd0c56d8b297ac43bd25c21f696de6063031241e792ee65df441",
"c297e545b8f150cc5ff56dbb68dc74fe30a421d9d40f38f4a53083192697c44c",
"17921368901f23e0cad0d2fe4ce5694aebaf4727699ed0358117500701914d1b",
"198a2d42df010d838b4207f478d885ef36e3db13b1744d673e221b828c28bf77",
"71d7b48c2fdc7b57b104a7858a35165bbed21d2fa7e34828d6c1d50b2b33a1d0",
"601227d52c6e367e11b80240183d07d38bc11a88e844e8401fce17eb25e92ba8",
"63ff04bed4fdb120a9cb9b1ea7fd88e83f12fb01ab6a057088f8016e663b48d4",
"a3037c3389b811bc1404f719af5c8b9034c5e24710cf3a0b457d28bf1b922cf7",
"e19b8be1b21c066d60725e550f8455f824065abbf1b43f7b2fe4fb338b241ffc",
"a3037c3389b811bc1404f719af5c8b9034c5e24710cf3a0b457d28bf1b922cf7"
]);
(union isfuzzy=true
(CommonSecurityLog
| where SourceIP in (IPList) or DestinationIP in (IPList) or Message has_any (IPList)
| project TimeGenerated, SourceIP, DestinationIP, Message, SourceUserID, RequestURL
| extend MessageIP = extract(IPRegex, 0, Message)
| extend IPMatch = case(SourceIP in (IPList), "SourceIP", DestinationIP in (IPList), "DestinationIP", MessageIP in (IPList), "Message", MessageIP in (IPList), "Message", "NoMatch")
| extend timestamp = TimeGenerated, IPCustomEntity = case(IPMatch == "SourceIP", SourceIP, IPMatch == "DestinationIP", DestinationIP, IPMatch == "Message", MessageIP, "NoMatch"), AccountCustomEntity = SourceUserID
),
(DeviceNetworkEvents
| where RemoteIP in (IPList) or InitiatingProcessSHA256 in (sha256Hashes)
| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, RemoteIP, RemoteUrl, RemotePort, LocalIP
| extend timestamp = TimeGenerated, DNSName = RemoteUrl, IPCustomEntity = RemoteIP, HostCustomEntity = DeviceName
),
(WindowsFirewall
| where SourceIP in (IPList) or DestinationIP in (IPList)
| project TimeGenerated, Computer, CommunicationDirection, SourceIP, DestinationIP, SourcePort, DestinationPort
| extend IPMatch = case( SourceIP in (IPList), "SourceIP", DestinationIP in (IPList), "DestinationIP", "None")
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , IPCustomEntity = case(IPMatch == "SourceIP", SourceIP, IPMatch == "DestinationIP", DestinationIP, "None")
),
(AzureDiagnostics
| where ResourceType == "AZUREFIREWALLS"
| where Category == "AzureFirewallApplicationRule"
| project TimeGenerated,Resource, msg_s
| parse msg_s with Protocol 'request from ' SourceHost ':' SourcePort 'to ' DestinationHost ':' DestinationPort '. Action:' Action
| where isnotempty(DestinationHost)
| where SourceHost in (IPList) or DestinationHost in (IPList)
| extend timestamp = TimeGenerated, DNSName = DestinationHost, IPCustomEntity = SourceHost
),
(AZFWApplicationRule
| where isnotempty(Fqdn)
| where SourceIp in (IPList) or Fqdn in (IPList)
| extend timestamp = TimeGenerated
| extend DNSName = Fqdn
| extend IPCustomEntity = SourceIp
),
(AZFWDnsQuery
| where isnotempty(QueryName)
| where SourceIp in (IPList) or QueryName in (IPList)
| extend timestamp = TimeGenerated
| extend DNSName = QueryName
| extend IPCustomEntity = SourceIp
),
(DeviceFileEvents
| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, RequestAccountName, RequestSourceIP, InitiatingProcessSHA256
| extend Account = RequestAccountName, Computer = DeviceName, IPAddress = RequestSourceIP, CommandLine = InitiatingProcessCommandLine, FileHash = InitiatingProcessSHA256
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = InitiatingProcessFileName, AlgorithmCustomEntity = "SHA256", FileHashCustomEntity = FileHash
| where FileHash in (sha256Hashes)
),
(CommonSecurityLog
| where FileHash in (sha256Hashes)
| project TimeGenerated, Message, SourceUserID, FileHash
| extend timestamp = TimeGenerated, AlgorithmCustomEntity = "SHA256", FileHashCustomEntity = FileHash
),
(DeviceEvents
| where InitiatingProcessSHA256 in~ (sha256Hashes)
| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256
| extend Account = InitiatingProcessAccountName, Computer = DeviceName, CommandLine = InitiatingProcessCommandLine, FileHash = InitiatingProcessSHA256, Image = InitiatingProcessFolderPath
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = InitiatingProcessFileName, AlgorithmCustomEntity = "SHA256", FileHashCustomEntity = FileHash
),
(SecurityEvent
| where EventID == '4688'
| where CommandLine has_any (IPList)
| project TimeGenerated, Computer, NewProcessName, ParentProcessName, Account, NewProcessId
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = NewProcessName
),
(WindowsEvent
| where EventID == '4688' and has_any_ipv4(EventData, toscalar(IPList))
| extend NewProcessName = tostring(EventData.NewProcessName)
| where NewProcessName in (IPList)
| extend ParentProcessName = tostring(EventData.ParentProcessName)
| extend Account = strcat(EventData.SubjectDomainName,"\\", EventData.SubjectUserName)
| extend NewProcessId = tostring(EventData.NewProcessId)
| project TimeGenerated, Computer, NewProcessName, ParentProcessName, Account, NewProcessId
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = NewProcessName
)
)
tags:
- ELF malware
- WSL
- BlackLotusLabs
triggerOperator: gt
id: d992b87b-eb49-4a9d-aa96-baacf9d26247
description: |
'Identifies a match across various data feeds for IP,hashes and IOCs related to Windows/ELF malware published by Black Lotus Labs
Reference:
https://blog.lumen.com/no-longer-just-theory-black-lotus-labs-uncovers-linux-executables-deployed-as-stealth-windows-loaders
https://github.com/ManuelBerrueta/YARA-rules/blob/master/BlackLotusLabs-WSLMalware/BLL_SneakyWSL.yar'
triggerThreshold: 0
name: Alert for IOCs related to Windows/ELF malware - IP, Hash IOCs - September 2021
relevantTechniques:
- T1496
tactics:
- Impact
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Analytic Rules/WSLMalwareCorrelation.yaml
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/d992b87b-eb49-4a9d-aa96-baacf9d26247')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/d992b87b-eb49-4a9d-aa96-baacf9d26247')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Scheduled",
"apiVersion": "2022-11-01",
"properties": {
"displayName": "Alert for IOCs related to Windows/ELF malware - IP, Hash IOCs - September 2021",
"description": "'Identifies a match across various data feeds for IP,hashes and IOCs related to Windows/ELF malware published by Black Lotus Labs\nReference: \nhttps://blog.lumen.com/no-longer-just-theory-black-lotus-labs-uncovers-linux-executables-deployed-as-stealth-windows-loaders\nhttps://github.com/ManuelBerrueta/YARA-rules/blob/master/BlackLotusLabs-WSLMalware/BLL_SneakyWSL.yar'\n",
"severity": "Medium",
"enabled": true,
"query": "let IPList = dynamic([\"185.63.90.137\"]); \nlet IPRegex = '[0-9]{1,3}\\\\.[0-9]{1,3}\\\\.[0-9]{1,3}\\\\.[0-9]{1,3}';\nlet sha256Hashes = \ndynamic([\"53854c6d163bfd0c56d8b297ac43bd25c21f696de6063031241e792ee65df441\",\n\"c297e545b8f150cc5ff56dbb68dc74fe30a421d9d40f38f4a53083192697c44c\",\n\"17921368901f23e0cad0d2fe4ce5694aebaf4727699ed0358117500701914d1b\",\n\"198a2d42df010d838b4207f478d885ef36e3db13b1744d673e221b828c28bf77\",\n\"71d7b48c2fdc7b57b104a7858a35165bbed21d2fa7e34828d6c1d50b2b33a1d0\",\n\"601227d52c6e367e11b80240183d07d38bc11a88e844e8401fce17eb25e92ba8\",\n\"63ff04bed4fdb120a9cb9b1ea7fd88e83f12fb01ab6a057088f8016e663b48d4\",\n\"a3037c3389b811bc1404f719af5c8b9034c5e24710cf3a0b457d28bf1b922cf7\",\n\"e19b8be1b21c066d60725e550f8455f824065abbf1b43f7b2fe4fb338b241ffc\",\n\"a3037c3389b811bc1404f719af5c8b9034c5e24710cf3a0b457d28bf1b922cf7\"\n]);\n(union isfuzzy=true\n(CommonSecurityLog\n| where SourceIP in (IPList) or DestinationIP in (IPList) or Message has_any (IPList) \n| project TimeGenerated, SourceIP, DestinationIP, Message, SourceUserID, RequestURL\n| extend MessageIP = extract(IPRegex, 0, Message)\n| extend IPMatch = case(SourceIP in (IPList), \"SourceIP\", DestinationIP in (IPList), \"DestinationIP\", MessageIP in (IPList), \"Message\", MessageIP in (IPList), \"Message\", \"NoMatch\")\n| extend timestamp = TimeGenerated, IPCustomEntity = case(IPMatch == \"SourceIP\", SourceIP, IPMatch == \"DestinationIP\", DestinationIP, IPMatch == \"Message\", MessageIP, \"NoMatch\"), AccountCustomEntity = SourceUserID\n),\n(DeviceNetworkEvents\n| where RemoteIP in (IPList) or InitiatingProcessSHA256 in (sha256Hashes) \n| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, RemoteIP, RemoteUrl, RemotePort, LocalIP\n| extend timestamp = TimeGenerated, DNSName = RemoteUrl, IPCustomEntity = RemoteIP, HostCustomEntity = DeviceName\n),\n(WindowsFirewall\n| where SourceIP in (IPList) or DestinationIP in (IPList) \n| project TimeGenerated, Computer, CommunicationDirection, SourceIP, DestinationIP, SourcePort, DestinationPort\n| extend IPMatch = case( SourceIP in (IPList), \"SourceIP\", DestinationIP in (IPList), \"DestinationIP\", \"None\")\n| extend timestamp = TimeGenerated, HostCustomEntity = Computer , IPCustomEntity = case(IPMatch == \"SourceIP\", SourceIP, IPMatch == \"DestinationIP\", DestinationIP, \"None\")\n),\n(AzureDiagnostics \n| where ResourceType == \"AZUREFIREWALLS\"\n| where Category == \"AzureFirewallApplicationRule\"\n| project TimeGenerated,Resource, msg_s\n| parse msg_s with Protocol 'request from ' SourceHost ':' SourcePort 'to ' DestinationHost ':' DestinationPort '. Action:' Action\n| where isnotempty(DestinationHost) \n| where SourceHost in (IPList) or DestinationHost in (IPList)\n| extend timestamp = TimeGenerated, DNSName = DestinationHost, IPCustomEntity = SourceHost\n),\n(AZFWApplicationRule\n| where isnotempty(Fqdn)\n| where SourceIp in (IPList) or Fqdn in (IPList)\n| extend timestamp = TimeGenerated\n| extend DNSName = Fqdn\n| extend IPCustomEntity = SourceIp\n),\n(AZFWDnsQuery\n| where isnotempty(QueryName)\n| where SourceIp in (IPList) or QueryName in (IPList)\n| extend timestamp = TimeGenerated\n| extend DNSName = QueryName\n| extend IPCustomEntity = SourceIp\n),\n(DeviceFileEvents\n| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, RequestAccountName, RequestSourceIP, InitiatingProcessSHA256\n| extend Account = RequestAccountName, Computer = DeviceName, IPAddress = RequestSourceIP, CommandLine = InitiatingProcessCommandLine, FileHash = InitiatingProcessSHA256\n| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = InitiatingProcessFileName, AlgorithmCustomEntity = \"SHA256\", FileHashCustomEntity = FileHash\n| where FileHash in (sha256Hashes)\n),\n(CommonSecurityLog\n| where FileHash in (sha256Hashes)\n| project TimeGenerated, Message, SourceUserID, FileHash\n| extend timestamp = TimeGenerated, AlgorithmCustomEntity = \"SHA256\", FileHashCustomEntity = FileHash\n),\n(DeviceEvents\n| where InitiatingProcessSHA256 in~ (sha256Hashes)\n| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256\n| extend Account = InitiatingProcessAccountName, Computer = DeviceName, CommandLine = InitiatingProcessCommandLine, FileHash = InitiatingProcessSHA256, Image = InitiatingProcessFolderPath\n| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = InitiatingProcessFileName, AlgorithmCustomEntity = \"SHA256\", FileHashCustomEntity = FileHash\n),\n(SecurityEvent\n| where EventID == '4688'\n| where CommandLine has_any (IPList) \n| project TimeGenerated, Computer, NewProcessName, ParentProcessName, Account, NewProcessId\n| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = NewProcessName\n),\n(WindowsEvent\n| where EventID == '4688' and has_any_ipv4(EventData, toscalar(IPList)) \n| extend NewProcessName = tostring(EventData.NewProcessName)\n| where NewProcessName in (IPList) \n| extend ParentProcessName = tostring(EventData.ParentProcessName)\n| extend Account = strcat(EventData.SubjectDomainName,\"\\\\\", EventData.SubjectUserName)\n| extend NewProcessId = tostring(EventData.NewProcessId)\n| project TimeGenerated, Computer, NewProcessName, ParentProcessName, Account, NewProcessId\n| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = NewProcessName\n)\n)\n",
"queryFrequency": "PT6H",
"queryPeriod": "PT6H",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Impact"
],
"techniques": [
"T1496"
],
"alertRuleTemplateName": "d992b87b-eb49-4a9d-aa96-baacf9d26247",
"customDetails": null,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"identifier": "FullName",
"columnName": "AccountCustomEntity"
}
]
},
{
"entityType": "Host",
"fieldMappings": [
{
"identifier": "FullName",
"columnName": "HostCustomEntity"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"identifier": "Address",
"columnName": "IPCustomEntity"
}
]
},
{
"entityType": "Process",
"fieldMappings": [
{
"identifier": "ProcessId",
"columnName": "ProcessCustomEntity"
}
]
},
{
"entityType": "FileHash",
"fieldMappings": [
{
"identifier": "Algorithm",
"columnName": "AlgorithmCustomEntity"
},
{
"identifier": "Value",
"columnName": "FileHashCustomEntity"
}
]
}
],
"tags": [
"ELF malware",
"WSL",
"BlackLotusLabs"
],
"status": "Available",
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Analytic Rules/WSLMalwareCorrelation.yaml",
"templateVersion": "1.2.1"
}
}
]
}