ACTINIUM Actor IOCs - Feb 2022
Id | 825991eb-ea39-4590-9de2-ee97ef42eb93 |
Rulename | ACTINIUM Actor IOCs - Feb 2022 |
Description | Identifies a match across various data feeds for domains, hashes and commands related to an actor tracked by Microsoft as Actinium. |
Severity | High |
Tactics | Persistence |
Techniques | T1137 |
Required data connectors | AzureFirewall AzureMonitor(VMInsights) CEF CheckPoint CiscoASA DNS F5 Fortinet MicrosoftThreatProtection PaloAltoNetworks SecurityEvents |
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/ActiniumFeb2022.yaml |
Version | 1.1.3 |
Arm template | 825991eb-ea39-4590-9de2-ee97ef42eb93.json |
let iocs = externaldata(DateAdded:string,IoC:string,Type:string) [@"https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/Sample%20Data/Feeds/ActiniumIOC.csv"] with (format="csv", ignoreFirstRecord=True);
let domains = (iocs | where Type =~ "domainname"| project IoC);
let sha256Hashes = (iocs | where Type =~ "sha256" | project IoC);
(union isfuzzy=true
(DeviceProcessEvents
| where InitiatingProcessSHA256 in (sha256Hashes) or SHA256 in (sha256Hashes) or (ProcessCommandLine has ('schtasks.exe /CREATE /sc minute /mo 12 /tn') and ProcessCommandLine has ('/tr "wscript.exe') and ProcessCommandLine has ('"%PUBLIC%\\Pictures\\') and ProcessCommandLine has ('//e:VBScript //b" /F')) or (ProcessCommandLine has ('wscript.exe C:\\Users\\') and ProcessCommandLine has ('.wav') and ProcessCommandLine has ('//e:VBScript //b')
or (ProcessCommandLine has_all ("schtasks.exe", "create", "wscript", "e:vbscript", ".wav")))
| project TimeGenerated, ActionType, DeviceId, DeviceName, ProcessCommandLine, InitiatingProcessAccountName, InitiatingProcessCommandLine, FolderPath, InitiatingProcessFolderPath, ProcessId, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, Type, AccountName, SHA256, FileName
| extend Account = AccountName, Computer = DeviceName, FileHash = case(InitiatingProcessSHA256 in (sha256Hashes), "InitiatingProcessSHA256", SHA256 in (sha256Hashes), "SHA256", "No Match")
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = FileName, FileHashCustomEntity = case(FileHash == "InitiatingProcessSHA256", InitiatingProcessSHA256, FileHash == "SHA256", SHA256, "No Match"), AlgorithmCustomEntity = "SHA256"
),
( SecurityEvent
| where EventID == 4688
| where (CommandLine has ('schtasks.exe /CREATE /sc minute /mo 12 /tn') and CommandLine has ('/tr "wscript.exe') and CommandLine has ('"%PUBLIC%\\Pictures\\') and CommandLine has ('//e:VBScript //b" /F')) or (CommandLine has ('wscript.exe C:\\Users\\') and CommandLine has ('.wav') and CommandLine has ('//e:VBScript //b'))
| project TimeGenerated, Computer, NewProcessName, ParentProcessName, Account, NewProcessId, Type, EventID
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = NewProcessName
),
( CommonSecurityLog
| where FileHash in (sha256Hashes)
| project TimeGenerated, Message, SourceUserID, FileHash, Type
| extend timestamp = TimeGenerated, FileHashCustomEntity = FileHash, Account = SourceUserID, AlgorithmCustomEntity = "SHA256"
),
( imFileEvent
| where Hash in~ (sha256Hashes) or (ActingProcessCommandLine has ('schtasks.exe /CREATE /sc minute /mo 12 /tn') and ActingProcessCommandLine has ('/tr "wscript.exe') and ActingProcessCommandLine has ('"%PUBLIC%\\Pictures\\') and ActingProcessCommandLine has ('//e:VBScript //b" /F')) or (ActingProcessCommandLine has ('wscript.exe C:\\Users\\') and ActingProcessCommandLine has ('.wav') and ActingProcessCommandLine has ('//e:VBScript //b')
or (ActingProcessCommandLine has_all ("schtasks.exe", "create", "wscript", "e:vbscript", ".wav")))
| extend Account = ActorUsername, Computer = DvcHostname, IPAddress = SrcIpAddr, CommandLine = ActingProcessCommandLine, FileHash = Hash
| project Type, TimeGenerated, Computer, Account, IPAddress, CommandLine, FileHash
| extend timestamp = TimeGenerated, AccountCustomEntity = Account, HostCustomEntity = Computer, FileHashCustomEntity = FileHash, AlgorithmCustomEntity = "SHA256"
),
(Event
| where Source == "Microsoft-Windows-Sysmon"
| where EventID == 1
| extend EvData = parse_xml(EventData)
| extend EventDetail = EvData.DataItem.EventData.Data
| extend Image = EventDetail.[4].["#text"], CommandLine = EventDetail.[10].["#text"], Hashes = tostring(EventDetail.[17].["#text"])
| extend Hashes = extract_all(@"(?P<key>\w+)=(?P<value>[a-zA-Z0-9]+)", dynamic(["key","value"]), Hashes)
| extend Hashes = column_ifexists("Hashes", ""), CommandLine = column_ifexists("CommandLine", "")
| extend Hashes = todynamic(Hashes) | mv-expand Hashes
| where (Hashes[0] =~ "SHA256" and Hashes[1] has_any (sha256Hashes)) or (CommandLine has ('schtasks.exe /CREATE /sc minute /mo 12 /tn') and CommandLine has ('/tr "wscript.exe') and CommandLine has ('"%PUBLIC%\\Pictures\\') and CommandLine has ('//e:VBScript //b" /F')) or (CommandLine has ('wscript.exe C:\\Users\\') and CommandLine has ('.wav') and CommandLine has ('//e:VBScript //b') or (CommandLine has_all ("schtasks.exe", "create", "wscript", "e:vbscript", ".wav")))
| project TimeGenerated, EventDetail, UserName, Computer, Type, Source, Hashes, CommandLine, Image
| extend Type = strcat(Type, ": ", Source)
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = UserName, ProcessCustomEntity = tostring(split(Image, '\\', -1)[-1]), FileHashCustomEntity = tostring(Hashes[1]), AlgorithmCustomEntity = "SHA256"
),
(DnsEvents
| where Name in~ (domains)
| project TimeGenerated, Computer, IPAddresses, Name, ClientIP, Type
| extend DestinationIPAddress = IPAddresses, DNSName = Name, Computer
| extend timestamp = TimeGenerated, IPCustomEntity = DestinationIPAddress
),
(VMConnection
| where RemoteDnsCanonicalNames has_any (domains)
| parse RemoteDnsCanonicalNames with * '["' DNSName '"]' *
| project TimeGenerated, Computer, Direction, ProcessName, SourceIp, DestinationIp, DestinationPort, RemoteDnsQuestions, DNSName,BytesSent, BytesReceived, RemoteCountry, Type
| extend timestamp = TimeGenerated, IPCustomEntity = DestinationIp, File = ProcessName
),
(AzureDiagnostics
| where ResourceType == "AZUREFIREWALLS"
| where Category == "AzureFirewallApplicationRule"
| project TimeGenerated,Resource, msg_s, Type
| parse msg_s with Protocol 'request from ' SourceHost ':' SourcePort 'to ' DestinationHost ':' DestinationPort '. Action:' Action
| where isnotempty(DestinationHost)
| where DestinationHost has_any (domains)
| extend timestamp = TimeGenerated, DNSName = DestinationHost, IPCustomEntity = SourceHost
),
(AzureDiagnostics
| where ResourceType == "AZUREFIREWALLS"
| where Category == "AzureFirewallDnsProxy"
| project TimeGenerated,Resource, msg_s, Type
| parse msg_s with "DNS Request: " ClientIP ":" ClientPort " - " QueryID " " Request_Type " " Request_Class " " Request_Name ". " Request_Protocol " " Request_Size " " EDNSO_DO " " EDNS0_Buffersize " " Responce_Code " " Responce_Flags " " Responce_Size " " Response_Duration
| where Request_Name has_any (domains)
| extend timestamp = TimeGenerated, DNSName = Request_Name, IPCustomEntity = ClientIP
),
(AZFWApplicationRule
| where isnotempty(Fqdn)
| where Fqdn has_any (domains)
| extend timestamp = TimeGenerated, DNSName = Fqdn, IPCustomEntity = SourceIp
),
(AZFWDnsQuery
| where isnotempty(QueryName)
| where QueryName has_any (domains)
| extend timestamp = TimeGenerated, DNSName = QueryName, IPCustomEntity = SourceIp
),
(DeviceNetworkEvents
| where isnotempty(RemoteUrl)
| where RemoteUrl in~ (domains)
| project Type, TimeGenerated, DeviceName, RemoteIP, RemoteUrl, InitiatingProcessAccountName
| extend timestamp = TimeGenerated, HostCustomEntity = DeviceName , AccountCustomEntity = InitiatingProcessAccountName, DNSName = RemoteUrl, IPCustomEntity = RemoteIP
)
)
version: 1.1.3
status: Available
queryFrequency: 6h
requiredDataConnectors:
- connectorId: DNS
dataTypes:
- DnsEvents
- connectorId: AzureMonitor(VMInsights)
dataTypes:
- VMConnection
- 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
- DeviceProcessEvents
- connectorId: SecurityEvents
dataTypes:
- SecurityEvent
- connectorId: AzureFirewall
dataTypes:
- AzureDiagnostics
- AZFWApplicationRule
- AZFWDnsQuery
entityMappings:
- fieldMappings:
- columnName: AccountCustomEntity
identifier: FullName
entityType: Account
- fieldMappings:
- columnName: HostCustomEntity
identifier: FullName
entityType: Host
- fieldMappings:
- columnName: IPCustomEntity
identifier: Address
entityType: IP
- fieldMappings:
- columnName: AlgorithmCustomEntity
identifier: Algorithm
- columnName: FileHashCustomEntity
identifier: Value
entityType: FileHash
- fieldMappings:
- columnName: ProcessCustomEntity
identifier: ProcessId
entityType: Process
kind: Scheduled
queryPeriod: 6h
severity: High
query: |
let iocs = externaldata(DateAdded:string,IoC:string,Type:string) [@"https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/Sample%20Data/Feeds/ActiniumIOC.csv"] with (format="csv", ignoreFirstRecord=True);
let domains = (iocs | where Type =~ "domainname"| project IoC);
let sha256Hashes = (iocs | where Type =~ "sha256" | project IoC);
(union isfuzzy=true
(DeviceProcessEvents
| where InitiatingProcessSHA256 in (sha256Hashes) or SHA256 in (sha256Hashes) or (ProcessCommandLine has ('schtasks.exe /CREATE /sc minute /mo 12 /tn') and ProcessCommandLine has ('/tr "wscript.exe') and ProcessCommandLine has ('"%PUBLIC%\\Pictures\\') and ProcessCommandLine has ('//e:VBScript //b" /F')) or (ProcessCommandLine has ('wscript.exe C:\\Users\\') and ProcessCommandLine has ('.wav') and ProcessCommandLine has ('//e:VBScript //b')
or (ProcessCommandLine has_all ("schtasks.exe", "create", "wscript", "e:vbscript", ".wav")))
| project TimeGenerated, ActionType, DeviceId, DeviceName, ProcessCommandLine, InitiatingProcessAccountName, InitiatingProcessCommandLine, FolderPath, InitiatingProcessFolderPath, ProcessId, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, Type, AccountName, SHA256, FileName
| extend Account = AccountName, Computer = DeviceName, FileHash = case(InitiatingProcessSHA256 in (sha256Hashes), "InitiatingProcessSHA256", SHA256 in (sha256Hashes), "SHA256", "No Match")
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = FileName, FileHashCustomEntity = case(FileHash == "InitiatingProcessSHA256", InitiatingProcessSHA256, FileHash == "SHA256", SHA256, "No Match"), AlgorithmCustomEntity = "SHA256"
),
( SecurityEvent
| where EventID == 4688
| where (CommandLine has ('schtasks.exe /CREATE /sc minute /mo 12 /tn') and CommandLine has ('/tr "wscript.exe') and CommandLine has ('"%PUBLIC%\\Pictures\\') and CommandLine has ('//e:VBScript //b" /F')) or (CommandLine has ('wscript.exe C:\\Users\\') and CommandLine has ('.wav') and CommandLine has ('//e:VBScript //b'))
| project TimeGenerated, Computer, NewProcessName, ParentProcessName, Account, NewProcessId, Type, EventID
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = NewProcessName
),
( CommonSecurityLog
| where FileHash in (sha256Hashes)
| project TimeGenerated, Message, SourceUserID, FileHash, Type
| extend timestamp = TimeGenerated, FileHashCustomEntity = FileHash, Account = SourceUserID, AlgorithmCustomEntity = "SHA256"
),
( imFileEvent
| where Hash in~ (sha256Hashes) or (ActingProcessCommandLine has ('schtasks.exe /CREATE /sc minute /mo 12 /tn') and ActingProcessCommandLine has ('/tr "wscript.exe') and ActingProcessCommandLine has ('"%PUBLIC%\\Pictures\\') and ActingProcessCommandLine has ('//e:VBScript //b" /F')) or (ActingProcessCommandLine has ('wscript.exe C:\\Users\\') and ActingProcessCommandLine has ('.wav') and ActingProcessCommandLine has ('//e:VBScript //b')
or (ActingProcessCommandLine has_all ("schtasks.exe", "create", "wscript", "e:vbscript", ".wav")))
| extend Account = ActorUsername, Computer = DvcHostname, IPAddress = SrcIpAddr, CommandLine = ActingProcessCommandLine, FileHash = Hash
| project Type, TimeGenerated, Computer, Account, IPAddress, CommandLine, FileHash
| extend timestamp = TimeGenerated, AccountCustomEntity = Account, HostCustomEntity = Computer, FileHashCustomEntity = FileHash, AlgorithmCustomEntity = "SHA256"
),
(Event
| where Source == "Microsoft-Windows-Sysmon"
| where EventID == 1
| extend EvData = parse_xml(EventData)
| extend EventDetail = EvData.DataItem.EventData.Data
| extend Image = EventDetail.[4].["#text"], CommandLine = EventDetail.[10].["#text"], Hashes = tostring(EventDetail.[17].["#text"])
| extend Hashes = extract_all(@"(?P<key>\w+)=(?P<value>[a-zA-Z0-9]+)", dynamic(["key","value"]), Hashes)
| extend Hashes = column_ifexists("Hashes", ""), CommandLine = column_ifexists("CommandLine", "")
| extend Hashes = todynamic(Hashes) | mv-expand Hashes
| where (Hashes[0] =~ "SHA256" and Hashes[1] has_any (sha256Hashes)) or (CommandLine has ('schtasks.exe /CREATE /sc minute /mo 12 /tn') and CommandLine has ('/tr "wscript.exe') and CommandLine has ('"%PUBLIC%\\Pictures\\') and CommandLine has ('//e:VBScript //b" /F')) or (CommandLine has ('wscript.exe C:\\Users\\') and CommandLine has ('.wav') and CommandLine has ('//e:VBScript //b') or (CommandLine has_all ("schtasks.exe", "create", "wscript", "e:vbscript", ".wav")))
| project TimeGenerated, EventDetail, UserName, Computer, Type, Source, Hashes, CommandLine, Image
| extend Type = strcat(Type, ": ", Source)
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = UserName, ProcessCustomEntity = tostring(split(Image, '\\', -1)[-1]), FileHashCustomEntity = tostring(Hashes[1]), AlgorithmCustomEntity = "SHA256"
),
(DnsEvents
| where Name in~ (domains)
| project TimeGenerated, Computer, IPAddresses, Name, ClientIP, Type
| extend DestinationIPAddress = IPAddresses, DNSName = Name, Computer
| extend timestamp = TimeGenerated, IPCustomEntity = DestinationIPAddress
),
(VMConnection
| where RemoteDnsCanonicalNames has_any (domains)
| parse RemoteDnsCanonicalNames with * '["' DNSName '"]' *
| project TimeGenerated, Computer, Direction, ProcessName, SourceIp, DestinationIp, DestinationPort, RemoteDnsQuestions, DNSName,BytesSent, BytesReceived, RemoteCountry, Type
| extend timestamp = TimeGenerated, IPCustomEntity = DestinationIp, File = ProcessName
),
(AzureDiagnostics
| where ResourceType == "AZUREFIREWALLS"
| where Category == "AzureFirewallApplicationRule"
| project TimeGenerated,Resource, msg_s, Type
| parse msg_s with Protocol 'request from ' SourceHost ':' SourcePort 'to ' DestinationHost ':' DestinationPort '. Action:' Action
| where isnotempty(DestinationHost)
| where DestinationHost has_any (domains)
| extend timestamp = TimeGenerated, DNSName = DestinationHost, IPCustomEntity = SourceHost
),
(AzureDiagnostics
| where ResourceType == "AZUREFIREWALLS"
| where Category == "AzureFirewallDnsProxy"
| project TimeGenerated,Resource, msg_s, Type
| parse msg_s with "DNS Request: " ClientIP ":" ClientPort " - " QueryID " " Request_Type " " Request_Class " " Request_Name ". " Request_Protocol " " Request_Size " " EDNSO_DO " " EDNS0_Buffersize " " Responce_Code " " Responce_Flags " " Responce_Size " " Response_Duration
| where Request_Name has_any (domains)
| extend timestamp = TimeGenerated, DNSName = Request_Name, IPCustomEntity = ClientIP
),
(AZFWApplicationRule
| where isnotempty(Fqdn)
| where Fqdn has_any (domains)
| extend timestamp = TimeGenerated, DNSName = Fqdn, IPCustomEntity = SourceIp
),
(AZFWDnsQuery
| where isnotempty(QueryName)
| where QueryName has_any (domains)
| extend timestamp = TimeGenerated, DNSName = QueryName, IPCustomEntity = SourceIp
),
(DeviceNetworkEvents
| where isnotempty(RemoteUrl)
| where RemoteUrl in~ (domains)
| project Type, TimeGenerated, DeviceName, RemoteIP, RemoteUrl, InitiatingProcessAccountName
| extend timestamp = TimeGenerated, HostCustomEntity = DeviceName , AccountCustomEntity = InitiatingProcessAccountName, DNSName = RemoteUrl, IPCustomEntity = RemoteIP
)
)
tags:
- ACTINIUM
- SchemaVersion: 0.1.0
Schema: ASIMFileEvent
triggerOperator: gt
id: 825991eb-ea39-4590-9de2-ee97ef42eb93
description: |
'Identifies a match across various data feeds for domains, hashes and commands related to an actor tracked by Microsoft as Actinium.'
triggerThreshold: 0
name: ACTINIUM Actor IOCs - Feb 2022
relevantTechniques:
- T1137
tactics:
- Persistence
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Analytic Rules/ActiniumFeb2022.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/825991eb-ea39-4590-9de2-ee97ef42eb93')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/825991eb-ea39-4590-9de2-ee97ef42eb93')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Scheduled",
"apiVersion": "2022-11-01",
"properties": {
"displayName": "ACTINIUM Actor IOCs - Feb 2022",
"description": "'Identifies a match across various data feeds for domains, hashes and commands related to an actor tracked by Microsoft as Actinium.'\n",
"severity": "High",
"enabled": true,
"query": "let iocs = externaldata(DateAdded:string,IoC:string,Type:string) [@\"https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/Sample%20Data/Feeds/ActiniumIOC.csv\"] with (format=\"csv\", ignoreFirstRecord=True);\nlet domains = (iocs | where Type =~ \"domainname\"| project IoC);\nlet sha256Hashes = (iocs | where Type =~ \"sha256\" | project IoC);\n(union isfuzzy=true\n(DeviceProcessEvents\n| where InitiatingProcessSHA256 in (sha256Hashes) or SHA256 in (sha256Hashes) or (ProcessCommandLine has ('schtasks.exe /CREATE /sc minute /mo 12 /tn') and ProcessCommandLine has ('/tr \"wscript.exe') and ProcessCommandLine has ('\"%PUBLIC%\\\\Pictures\\\\') and ProcessCommandLine has ('//e:VBScript //b\" /F')) or (ProcessCommandLine has ('wscript.exe C:\\\\Users\\\\') and ProcessCommandLine has ('.wav') and ProcessCommandLine has ('//e:VBScript //b') \nor (ProcessCommandLine has_all (\"schtasks.exe\", \"create\", \"wscript\", \"e:vbscript\", \".wav\")))\n| project TimeGenerated, ActionType, DeviceId, DeviceName, ProcessCommandLine, InitiatingProcessAccountName, InitiatingProcessCommandLine, FolderPath, InitiatingProcessFolderPath, ProcessId, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, Type, AccountName, SHA256, FileName\n| extend Account = AccountName, Computer = DeviceName, FileHash = case(InitiatingProcessSHA256 in (sha256Hashes), \"InitiatingProcessSHA256\", SHA256 in (sha256Hashes), \"SHA256\", \"No Match\")\n| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = FileName, FileHashCustomEntity = case(FileHash == \"InitiatingProcessSHA256\", InitiatingProcessSHA256, FileHash == \"SHA256\", SHA256, \"No Match\"), AlgorithmCustomEntity = \"SHA256\"\n),\n( SecurityEvent\n| where EventID == 4688\n| where (CommandLine has ('schtasks.exe /CREATE /sc minute /mo 12 /tn') and CommandLine has ('/tr \"wscript.exe') and CommandLine has ('\"%PUBLIC%\\\\Pictures\\\\') and CommandLine has ('//e:VBScript //b\" /F')) or (CommandLine has ('wscript.exe C:\\\\Users\\\\') and CommandLine has ('.wav') and CommandLine has ('//e:VBScript //b'))\n| project TimeGenerated, Computer, NewProcessName, ParentProcessName, Account, NewProcessId, Type, EventID\n| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = NewProcessName\n),\n( CommonSecurityLog\n| where FileHash in (sha256Hashes)\n| project TimeGenerated, Message, SourceUserID, FileHash, Type\n| extend timestamp = TimeGenerated, FileHashCustomEntity = FileHash, Account = SourceUserID, AlgorithmCustomEntity = \"SHA256\"\n),\n( imFileEvent\n| where Hash in~ (sha256Hashes) or (ActingProcessCommandLine has ('schtasks.exe /CREATE /sc minute /mo 12 /tn') and ActingProcessCommandLine has ('/tr \"wscript.exe') and ActingProcessCommandLine has ('\"%PUBLIC%\\\\Pictures\\\\') and ActingProcessCommandLine has ('//e:VBScript //b\" /F')) or (ActingProcessCommandLine has ('wscript.exe C:\\\\Users\\\\') and ActingProcessCommandLine has ('.wav') and ActingProcessCommandLine has ('//e:VBScript //b') \n or (ActingProcessCommandLine has_all (\"schtasks.exe\", \"create\", \"wscript\", \"e:vbscript\", \".wav\")))\n| extend Account = ActorUsername, Computer = DvcHostname, IPAddress = SrcIpAddr, CommandLine = ActingProcessCommandLine, FileHash = Hash\n| project Type, TimeGenerated, Computer, Account, IPAddress, CommandLine, FileHash\n| extend timestamp = TimeGenerated, AccountCustomEntity = Account, HostCustomEntity = Computer, FileHashCustomEntity = FileHash, AlgorithmCustomEntity = \"SHA256\"\n),\n(Event\n| where Source == \"Microsoft-Windows-Sysmon\"\n| where EventID == 1\n| extend EvData = parse_xml(EventData)\n| extend EventDetail = EvData.DataItem.EventData.Data\n| extend Image = EventDetail.[4].[\"#text\"], CommandLine = EventDetail.[10].[\"#text\"], Hashes = tostring(EventDetail.[17].[\"#text\"])\n| extend Hashes = extract_all(@\"(?P<key>\\w+)=(?P<value>[a-zA-Z0-9]+)\", dynamic([\"key\",\"value\"]), Hashes)\n| extend Hashes = column_ifexists(\"Hashes\", \"\"), CommandLine = column_ifexists(\"CommandLine\", \"\")\n| extend Hashes = todynamic(Hashes) | mv-expand Hashes\n| where (Hashes[0] =~ \"SHA256\" and Hashes[1] has_any (sha256Hashes)) or (CommandLine has ('schtasks.exe /CREATE /sc minute /mo 12 /tn') and CommandLine has ('/tr \"wscript.exe') and CommandLine has ('\"%PUBLIC%\\\\Pictures\\\\') and CommandLine has ('//e:VBScript //b\" /F')) or (CommandLine has ('wscript.exe C:\\\\Users\\\\') and CommandLine has ('.wav') and CommandLine has ('//e:VBScript //b') or (CommandLine has_all (\"schtasks.exe\", \"create\", \"wscript\", \"e:vbscript\", \".wav\")))\n| project TimeGenerated, EventDetail, UserName, Computer, Type, Source, Hashes, CommandLine, Image\n| extend Type = strcat(Type, \": \", Source)\n| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = UserName, ProcessCustomEntity = tostring(split(Image, '\\\\', -1)[-1]), FileHashCustomEntity = tostring(Hashes[1]), AlgorithmCustomEntity = \"SHA256\"\n),\n(DnsEvents\n| where Name in~ (domains) \n| project TimeGenerated, Computer, IPAddresses, Name, ClientIP, Type\n| extend DestinationIPAddress = IPAddresses, DNSName = Name, Computer \n| extend timestamp = TimeGenerated, IPCustomEntity = DestinationIPAddress\n),\n(VMConnection\n| where RemoteDnsCanonicalNames has_any (domains)\n| parse RemoteDnsCanonicalNames with * '[\"' DNSName '\"]' *\n| project TimeGenerated, Computer, Direction, ProcessName, SourceIp, DestinationIp, DestinationPort, RemoteDnsQuestions, DNSName,BytesSent, BytesReceived, RemoteCountry, Type\n| extend timestamp = TimeGenerated, IPCustomEntity = DestinationIp, File = ProcessName\n),\n(AzureDiagnostics \n| where ResourceType == \"AZUREFIREWALLS\"\n| where Category == \"AzureFirewallApplicationRule\"\n| project TimeGenerated,Resource, msg_s, Type\n| parse msg_s with Protocol 'request from ' SourceHost ':' SourcePort 'to ' DestinationHost ':' DestinationPort '. Action:' Action\n| where isnotempty(DestinationHost)\n| where DestinationHost has_any (domains) \n| extend timestamp = TimeGenerated, DNSName = DestinationHost, IPCustomEntity = SourceHost\n),\n(AzureDiagnostics\n| where ResourceType == \"AZUREFIREWALLS\"\n| where Category == \"AzureFirewallDnsProxy\"\n| project TimeGenerated,Resource, msg_s, Type\n| parse msg_s with \"DNS Request: \" ClientIP \":\" ClientPort \" - \" QueryID \" \" Request_Type \" \" Request_Class \" \" Request_Name \". \" Request_Protocol \" \" Request_Size \" \" EDNSO_DO \" \" EDNS0_Buffersize \" \" Responce_Code \" \" Responce_Flags \" \" Responce_Size \" \" Response_Duration\n| where Request_Name has_any (domains)\n| extend timestamp = TimeGenerated, DNSName = Request_Name, IPCustomEntity = ClientIP\n),\n(AZFWApplicationRule\n| where isnotempty(Fqdn)\n| where Fqdn has_any (domains) \n| extend timestamp = TimeGenerated, DNSName = Fqdn, IPCustomEntity = SourceIp\n),\n(AZFWDnsQuery\n| where isnotempty(QueryName)\n| where QueryName has_any (domains)\n| extend timestamp = TimeGenerated, DNSName = QueryName, IPCustomEntity = SourceIp\n),\n(DeviceNetworkEvents \n| where isnotempty(RemoteUrl) \n| where RemoteUrl in~ (domains) \n| project Type, TimeGenerated, DeviceName, RemoteIP, RemoteUrl, InitiatingProcessAccountName\n| extend timestamp = TimeGenerated, HostCustomEntity = DeviceName , AccountCustomEntity = InitiatingProcessAccountName, DNSName = RemoteUrl, IPCustomEntity = RemoteIP\n)\n)\n",
"queryFrequency": "PT6H",
"queryPeriod": "PT6H",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Persistence"
],
"techniques": [
"T1137"
],
"alertRuleTemplateName": "825991eb-ea39-4590-9de2-ee97ef42eb93",
"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": "FileHash",
"fieldMappings": [
{
"identifier": "Algorithm",
"columnName": "AlgorithmCustomEntity"
},
{
"identifier": "Value",
"columnName": "FileHashCustomEntity"
}
]
},
{
"entityType": "Process",
"fieldMappings": [
{
"identifier": "ProcessId",
"columnName": "ProcessCustomEntity"
}
]
}
],
"tags": [
"ACTINIUM",
{
"Schema": "ASIMFileEvent",
"SchemaVersion": "0.1.0"
}
],
"status": "Available",
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Analytic Rules/ActiniumFeb2022.yaml",
"templateVersion": "1.1.3"
}
}
]
}