Dev-0530 IOC - July 2022
Id | a172107d-794c-48c0-bc26-d3349fe10b4d |
Rulename | Dev-0530 IOC - July 2022 |
Description | Identifies a IOC match related to Dev-0530 actor across various data sources. |
Severity | High |
Tactics | Impact |
Techniques | T1486 |
Required data connectors | AWS AzureActiveDirectory AzureActivity AzureFirewall AzureMonitor(IIS) CiscoASA MicrosoftThreatProtection Office365 PaloAltoNetworks SecurityEvents |
Kind | Scheduled |
Query frequency | 12h |
Query period | 12h |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Analytic Rules/Dev-0530_July2022.yaml |
Version | 1.1.2 |
Arm template | a172107d-794c-48c0-bc26-d3349fe10b4d.json |
let iocs = externaldata(DateAdded:string,IoC:string,Type:string) [@"https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/Sample%20Data/Feeds/Dev-0530_July2022.csv"] with (format="csv", ignoreFirstRecord=True);
let sha256Hashes = (iocs | where Type =~ "sha256" | project IoC);
let IPList = (iocs | where Type =~ "ip"| project IoC);
(union isfuzzy=true
(DeviceProcessEvents
| where InitiatingProcessSHA256 in (sha256Hashes) or SHA256 in (sha256Hashes) or ( InitiatingProcessCommandLine has ('cmd.exe /Q /c schtasks /create /tn lockertask /tr')
and InitiatingProcessCommandLine has ('sc minute /mo 1 /F /ru system'))
| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, Type, AccountName, SHA256
| extend Account = AccountName, Computer = DeviceName, CommandLine = InitiatingProcessCommandLine, FileHash = case(InitiatingProcessSHA256 in (sha256Hashes), "InitiatingProcessSHA256", SHA256 in (sha256Hashes), "SHA256", "No Match")
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = InitiatingProcessFileName, FileHashCustomEntity = case(FileHash == "InitiatingProcessSHA256", InitiatingProcessSHA256, FileHash == "SHA256", SHA256, "No Match")
),
( SecurityEvent
| where EventID == 4688
| where ( CommandLine has ('cmd.exe /Q /c schtasks /create /tn lockertask /tr') and CommandLine has ('/sc minute /mo 1 /F /ru system'))
| project TimeGenerated, Computer, NewProcessName, ParentProcessName, Account, NewProcessId, Type, EventID, CommandLine
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = NewProcessName
),
( imFileEvent
| where Hash in~ (sha256Hashes) or ( ActingProcessCommandLine has ('cmd.exe /Q /c schtasks /create /tn lockertask /tr') and ActingProcessCommandLine has ('/sc minute /mo 1 /F /ru system'))
| extend Account = ActorUsername, Computer = DvcHostname, IPAddress = SrcIpAddr, CommandLine = ActingProcessCommandLine, FileHash = TargetFileSHA256
| project Type, TimeGenerated, Computer, Account, IPAddress, CommandLine, FileHash
| extend timestamp = TimeGenerated, AccountCustomEntity = Account, HostCustomEntity = Computer, FileHashCustomEntity = FileHash
),
(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"
| where (Hashes[1] has_any (sha256Hashes)) or ( CommandLine has ('cmd.exe /Q /c schtasks /create /tn lockertask /tr') and CommandLine has ('/sc minute /mo 1 /F /ru system'))
| 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])
),
(DeviceFileEvents
| where SHA256 has_any (sha256Hashes)
| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, Type
| extend timestamp = TimeGenerated, HostCustomEntity = DeviceName , AccountCustomEntity = InitiatingProcessAccountName, ProcessCustomEntity = InitiatingProcessFileName, AlgorithmCustomEntity = "SHA256", FileHashCustomEntity = InitiatingProcessSHA256, CommandLine = InitiatingProcessCommandLine,Image = InitiatingProcessFolderPath
),
(EmailEvents
| where SenderFromAddress == 'H0lyGh0st@mail2tor.com'
| extend timestamp = TimeGenerated, IPCustomEntity = SenderIPv4, AccountCustomEntity = SenderFromAddress
),
(CommonSecurityLog
| where isnotempty(SourceIP) or isnotempty(DestinationIP)
| where SourceIP in (IPList) or DestinationIP in (IPList) or Message has_any (IPList) or FileHash in (sha256Hashes)
| extend IPMatch = case(SourceIP in (IPList), "SourceIP", DestinationIP in (IPList), "DestinationIP", "Message")
| summarize StartTimeUtc = min(TimeGenerated), EndTimeUtc = max(TimeGenerated) by SourceIP, DestinationIP, DeviceProduct, DeviceAction, Message, Protocol, SourcePort, DestinationPort, DeviceAddress, DeviceName, IPMatch , FileHash
| extend timestamp = StartTimeUtc, IPCustomEntity = case(IPMatch == "SourceIP", SourceIP, IPMatch == "DestinationIP", DestinationIP, "IP in Message Field"), FileHashCustomEntity = FileHash
),
(OfficeActivity
|extend SourceIPAddress = ClientIP, Account = UserId
| where SourceIPAddress in (IPList)
| extend timestamp = TimeGenerated , IPCustomEntity = SourceIPAddress , AccountCustomEntity = Account
),
(SigninLogs
| where isnotempty(IPAddress)
| where IPAddress in (IPList)
| extend timestamp = TimeGenerated, AccountCustomEntity = UserPrincipalName, IPCustomEntity = IPAddress
),
(AADNonInteractiveUserSignInLogs
| where isnotempty(IPAddress)
| where IPAddress in (IPList)
| extend timestamp = TimeGenerated, AccountCustomEntity = UserPrincipalName, IPCustomEntity = IPAddress
),
(W3CIISLog
| where isnotempty(cIP)
| where cIP in (IPList)
| extend timestamp = TimeGenerated, IPCustomEntity = cIP, HostCustomEntity = Computer, AccountCustomEntity = csUserName
),
(AzureActivity
| where isnotempty(CallerIpAddress)
| where CallerIpAddress in (IPList)
| extend timestamp = TimeGenerated, IPCustomEntity = CallerIpAddress, AccountCustomEntity = Caller
),
(
AWSCloudTrail
| where isnotempty(SourceIpAddress)
| where SourceIpAddress in (IPList)
| extend timestamp = TimeGenerated, IPCustomEntity = SourceIpAddress, AccountCustomEntity = UserIdentityUserName
),
(
DeviceNetworkEvents
| where isnotempty(RemoteIP)
| where RemoteIP in (IPList)
| extend timestamp = TimeGenerated, IPCustomEntity = RemoteIP, HostCustomEntity = DeviceName
),
(
AzureDiagnostics
| where ResourceType == "AZUREFIREWALLS"
| where Category == "AzureFirewallApplicationRule"
| parse msg_s with Protocol 'request from ' SourceHost ':' SourcePort 'to ' DestinationHost ':' DestinationPort '. Action:' Action
| where isnotempty(DestinationHost)
| where DestinationHost has_any (IPList)
| extend DestinationIP = DestinationHost
| extend IPCustomEntity = SourceHost
),
(
AzureDiagnostics
| where ResourceType == "AZUREFIREWALLS"
| where Category == "AzureFirewallNetworkRule"
| parse msg_s with Protocol 'request from ' SourceHost ':' SourcePort 'to ' DestinationHost ':' DestinationPort '. Action:' Action
| where isnotempty(DestinationHost)
| where DestinationHost has_any (IPList)
| extend DestinationIP = DestinationHost
| extend IPCustomEntity = SourceHost
),
(
AZFWApplicationRule
| where Fqdn has_any (IPList)
| extend IPCustomEntity = SourceIp
),
(
AZFWNetworkRule
| where DestinationIp has_any (IPList)
| extend IPCustomEntity = SourceIp
)
)
version: 1.1.2
status: Available
queryFrequency: 12h
requiredDataConnectors:
- connectorId: CiscoASA
dataTypes:
- CommonSecurityLog
- connectorId: PaloAltoNetworks
dataTypes:
- CommonSecurityLog
- connectorId: MicrosoftThreatProtection
dataTypes:
- DeviceFileEvents
- DeviceProcessEvents
- DeviceNetworkEvents
- EmailEvents
- connectorId: SecurityEvents
dataTypes:
- SecurityEvent
- connectorId: Office365
dataTypes:
- OfficeActivity
- connectorId: AzureActiveDirectory
dataTypes:
- SigninLogs
- connectorId: AzureActiveDirectory
dataTypes:
- AADNonInteractiveUserSignInLogs
- connectorId: AzureMonitor(IIS)
dataTypes:
- W3CIISLog
- connectorId: AzureActivity
dataTypes:
- AzureActivity
- connectorId: AWS
dataTypes:
- AWSCloudTrail
- connectorId: AzureFirewall
dataTypes:
- AzureDiagnostics
- AZFWApplicationRule
- AZFWNetworkRule
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: 12h
severity: High
query: |
let iocs = externaldata(DateAdded:string,IoC:string,Type:string) [@"https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/Sample%20Data/Feeds/Dev-0530_July2022.csv"] with (format="csv", ignoreFirstRecord=True);
let sha256Hashes = (iocs | where Type =~ "sha256" | project IoC);
let IPList = (iocs | where Type =~ "ip"| project IoC);
(union isfuzzy=true
(DeviceProcessEvents
| where InitiatingProcessSHA256 in (sha256Hashes) or SHA256 in (sha256Hashes) or ( InitiatingProcessCommandLine has ('cmd.exe /Q /c schtasks /create /tn lockertask /tr')
and InitiatingProcessCommandLine has ('sc minute /mo 1 /F /ru system'))
| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, Type, AccountName, SHA256
| extend Account = AccountName, Computer = DeviceName, CommandLine = InitiatingProcessCommandLine, FileHash = case(InitiatingProcessSHA256 in (sha256Hashes), "InitiatingProcessSHA256", SHA256 in (sha256Hashes), "SHA256", "No Match")
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = InitiatingProcessFileName, FileHashCustomEntity = case(FileHash == "InitiatingProcessSHA256", InitiatingProcessSHA256, FileHash == "SHA256", SHA256, "No Match")
),
( SecurityEvent
| where EventID == 4688
| where ( CommandLine has ('cmd.exe /Q /c schtasks /create /tn lockertask /tr') and CommandLine has ('/sc minute /mo 1 /F /ru system'))
| project TimeGenerated, Computer, NewProcessName, ParentProcessName, Account, NewProcessId, Type, EventID, CommandLine
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = NewProcessName
),
( imFileEvent
| where Hash in~ (sha256Hashes) or ( ActingProcessCommandLine has ('cmd.exe /Q /c schtasks /create /tn lockertask /tr') and ActingProcessCommandLine has ('/sc minute /mo 1 /F /ru system'))
| extend Account = ActorUsername, Computer = DvcHostname, IPAddress = SrcIpAddr, CommandLine = ActingProcessCommandLine, FileHash = TargetFileSHA256
| project Type, TimeGenerated, Computer, Account, IPAddress, CommandLine, FileHash
| extend timestamp = TimeGenerated, AccountCustomEntity = Account, HostCustomEntity = Computer, FileHashCustomEntity = FileHash
),
(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"
| where (Hashes[1] has_any (sha256Hashes)) or ( CommandLine has ('cmd.exe /Q /c schtasks /create /tn lockertask /tr') and CommandLine has ('/sc minute /mo 1 /F /ru system'))
| 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])
),
(DeviceFileEvents
| where SHA256 has_any (sha256Hashes)
| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, Type
| extend timestamp = TimeGenerated, HostCustomEntity = DeviceName , AccountCustomEntity = InitiatingProcessAccountName, ProcessCustomEntity = InitiatingProcessFileName, AlgorithmCustomEntity = "SHA256", FileHashCustomEntity = InitiatingProcessSHA256, CommandLine = InitiatingProcessCommandLine,Image = InitiatingProcessFolderPath
),
(EmailEvents
| where SenderFromAddress == 'H0lyGh0st@mail2tor.com'
| extend timestamp = TimeGenerated, IPCustomEntity = SenderIPv4, AccountCustomEntity = SenderFromAddress
),
(CommonSecurityLog
| where isnotempty(SourceIP) or isnotempty(DestinationIP)
| where SourceIP in (IPList) or DestinationIP in (IPList) or Message has_any (IPList) or FileHash in (sha256Hashes)
| extend IPMatch = case(SourceIP in (IPList), "SourceIP", DestinationIP in (IPList), "DestinationIP", "Message")
| summarize StartTimeUtc = min(TimeGenerated), EndTimeUtc = max(TimeGenerated) by SourceIP, DestinationIP, DeviceProduct, DeviceAction, Message, Protocol, SourcePort, DestinationPort, DeviceAddress, DeviceName, IPMatch , FileHash
| extend timestamp = StartTimeUtc, IPCustomEntity = case(IPMatch == "SourceIP", SourceIP, IPMatch == "DestinationIP", DestinationIP, "IP in Message Field"), FileHashCustomEntity = FileHash
),
(OfficeActivity
|extend SourceIPAddress = ClientIP, Account = UserId
| where SourceIPAddress in (IPList)
| extend timestamp = TimeGenerated , IPCustomEntity = SourceIPAddress , AccountCustomEntity = Account
),
(SigninLogs
| where isnotempty(IPAddress)
| where IPAddress in (IPList)
| extend timestamp = TimeGenerated, AccountCustomEntity = UserPrincipalName, IPCustomEntity = IPAddress
),
(AADNonInteractiveUserSignInLogs
| where isnotempty(IPAddress)
| where IPAddress in (IPList)
| extend timestamp = TimeGenerated, AccountCustomEntity = UserPrincipalName, IPCustomEntity = IPAddress
),
(W3CIISLog
| where isnotempty(cIP)
| where cIP in (IPList)
| extend timestamp = TimeGenerated, IPCustomEntity = cIP, HostCustomEntity = Computer, AccountCustomEntity = csUserName
),
(AzureActivity
| where isnotempty(CallerIpAddress)
| where CallerIpAddress in (IPList)
| extend timestamp = TimeGenerated, IPCustomEntity = CallerIpAddress, AccountCustomEntity = Caller
),
(
AWSCloudTrail
| where isnotempty(SourceIpAddress)
| where SourceIpAddress in (IPList)
| extend timestamp = TimeGenerated, IPCustomEntity = SourceIpAddress, AccountCustomEntity = UserIdentityUserName
),
(
DeviceNetworkEvents
| where isnotempty(RemoteIP)
| where RemoteIP in (IPList)
| extend timestamp = TimeGenerated, IPCustomEntity = RemoteIP, HostCustomEntity = DeviceName
),
(
AzureDiagnostics
| where ResourceType == "AZUREFIREWALLS"
| where Category == "AzureFirewallApplicationRule"
| parse msg_s with Protocol 'request from ' SourceHost ':' SourcePort 'to ' DestinationHost ':' DestinationPort '. Action:' Action
| where isnotempty(DestinationHost)
| where DestinationHost has_any (IPList)
| extend DestinationIP = DestinationHost
| extend IPCustomEntity = SourceHost
),
(
AzureDiagnostics
| where ResourceType == "AZUREFIREWALLS"
| where Category == "AzureFirewallNetworkRule"
| parse msg_s with Protocol 'request from ' SourceHost ':' SourcePort 'to ' DestinationHost ':' DestinationPort '. Action:' Action
| where isnotempty(DestinationHost)
| where DestinationHost has_any (IPList)
| extend DestinationIP = DestinationHost
| extend IPCustomEntity = SourceHost
),
(
AZFWApplicationRule
| where Fqdn has_any (IPList)
| extend IPCustomEntity = SourceIp
),
(
AZFWNetworkRule
| where DestinationIp has_any (IPList)
| extend IPCustomEntity = SourceIp
)
)
tags:
- Dev-0530
- SchemaVersion: 0.1.0
Schema: ASIMFileEvent
triggerOperator: gt
id: a172107d-794c-48c0-bc26-d3349fe10b4d
description: |
'Identifies a IOC match related to Dev-0530 actor across various data sources.'
triggerThreshold: 0
name: Dev-0530 IOC - July 2022
relevantTechniques:
- T1486
tactics:
- Impact
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Analytic Rules/Dev-0530_July2022.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/a172107d-794c-48c0-bc26-d3349fe10b4d')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/a172107d-794c-48c0-bc26-d3349fe10b4d')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Scheduled",
"apiVersion": "2022-11-01",
"properties": {
"displayName": "Dev-0530 IOC - July 2022",
"description": "'Identifies a IOC match related to Dev-0530 actor across various data sources.'\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/Dev-0530_July2022.csv\"] with (format=\"csv\", ignoreFirstRecord=True);\nlet sha256Hashes = (iocs | where Type =~ \"sha256\" | project IoC);\nlet IPList = (iocs | where Type =~ \"ip\"| project IoC);\n(union isfuzzy=true \n(DeviceProcessEvents\n| where InitiatingProcessSHA256 in (sha256Hashes) or SHA256 in (sha256Hashes) or ( InitiatingProcessCommandLine has ('cmd.exe /Q /c schtasks /create /tn lockertask /tr') \nand InitiatingProcessCommandLine has ('sc minute /mo 1 /F /ru system'))\n| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, Type, AccountName, SHA256\n| extend Account = AccountName, Computer = DeviceName, CommandLine = InitiatingProcessCommandLine, FileHash = case(InitiatingProcessSHA256 in (sha256Hashes), \"InitiatingProcessSHA256\", SHA256 in (sha256Hashes), \"SHA256\", \"No Match\")\n| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = InitiatingProcessFileName, FileHashCustomEntity = case(FileHash == \"InitiatingProcessSHA256\", InitiatingProcessSHA256, FileHash == \"SHA256\", SHA256, \"No Match\")\n),\n( SecurityEvent\n| where EventID == 4688\n| where ( CommandLine has ('cmd.exe /Q /c schtasks /create /tn lockertask /tr') and CommandLine has ('/sc minute /mo 1 /F /ru system'))\n| project TimeGenerated, Computer, NewProcessName, ParentProcessName, Account, NewProcessId, Type, EventID, CommandLine\n| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = Account, ProcessCustomEntity = NewProcessName\n),\n( imFileEvent\n| where Hash in~ (sha256Hashes) or ( ActingProcessCommandLine has ('cmd.exe /Q /c schtasks /create /tn lockertask /tr') and ActingProcessCommandLine has ('/sc minute /mo 1 /F /ru system'))\n| extend Account = ActorUsername, Computer = DvcHostname, IPAddress = SrcIpAddr, CommandLine = ActingProcessCommandLine, FileHash = TargetFileSHA256\n| project Type, TimeGenerated, Computer, Account, IPAddress, CommandLine, FileHash\n| extend timestamp = TimeGenerated, AccountCustomEntity = Account, HostCustomEntity = Computer, FileHashCustomEntity = FileHash\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\"\n| where (Hashes[1] has_any (sha256Hashes)) or ( CommandLine has ('cmd.exe /Q /c schtasks /create /tn lockertask /tr') and CommandLine has ('/sc minute /mo 1 /F /ru system')) \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])\n),\n(DeviceFileEvents\n| where SHA256 has_any (sha256Hashes)\n| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, Type\n| extend timestamp = TimeGenerated, HostCustomEntity = DeviceName , AccountCustomEntity = InitiatingProcessAccountName, ProcessCustomEntity = InitiatingProcessFileName, AlgorithmCustomEntity = \"SHA256\", FileHashCustomEntity = InitiatingProcessSHA256, CommandLine = InitiatingProcessCommandLine,Image = InitiatingProcessFolderPath\n),\n(EmailEvents\n| where SenderFromAddress == 'H0lyGh0st@mail2tor.com'\n| extend timestamp = TimeGenerated, IPCustomEntity = SenderIPv4, AccountCustomEntity = SenderFromAddress \n),\n(CommonSecurityLog \n| where isnotempty(SourceIP) or isnotempty(DestinationIP) \n| where SourceIP in (IPList) or DestinationIP in (IPList) or Message has_any (IPList) or FileHash in (sha256Hashes)\n| extend IPMatch = case(SourceIP in (IPList), \"SourceIP\", DestinationIP in (IPList), \"DestinationIP\", \"Message\") \n| summarize StartTimeUtc = min(TimeGenerated), EndTimeUtc = max(TimeGenerated) by SourceIP, DestinationIP, DeviceProduct, DeviceAction, Message, Protocol, SourcePort, DestinationPort, DeviceAddress, DeviceName, IPMatch , FileHash\n| extend timestamp = StartTimeUtc, IPCustomEntity = case(IPMatch == \"SourceIP\", SourceIP, IPMatch == \"DestinationIP\", DestinationIP, \"IP in Message Field\"), FileHashCustomEntity = FileHash\n), \n(OfficeActivity \n|extend SourceIPAddress = ClientIP, Account = UserId \n| where SourceIPAddress in (IPList) \n| extend timestamp = TimeGenerated , IPCustomEntity = SourceIPAddress , AccountCustomEntity = Account \n),\n(SigninLogs \n| where isnotempty(IPAddress) \n| where IPAddress in (IPList) \n| extend timestamp = TimeGenerated, AccountCustomEntity = UserPrincipalName, IPCustomEntity = IPAddress \n),\n(AADNonInteractiveUserSignInLogs \n| where isnotempty(IPAddress) \n| where IPAddress in (IPList) \n| extend timestamp = TimeGenerated, AccountCustomEntity = UserPrincipalName, IPCustomEntity = IPAddress \n), \n(W3CIISLog \n| where isnotempty(cIP) \n| where cIP in (IPList) \n| extend timestamp = TimeGenerated, IPCustomEntity = cIP, HostCustomEntity = Computer, AccountCustomEntity = csUserName \n), \n(AzureActivity \n| where isnotempty(CallerIpAddress) \n| where CallerIpAddress in (IPList) \n| extend timestamp = TimeGenerated, IPCustomEntity = CallerIpAddress, AccountCustomEntity = Caller \n), \n( \nAWSCloudTrail \n| where isnotempty(SourceIpAddress) \n| where SourceIpAddress in (IPList) \n| extend timestamp = TimeGenerated, IPCustomEntity = SourceIpAddress, AccountCustomEntity = UserIdentityUserName \n), \n( \nDeviceNetworkEvents \n| where isnotempty(RemoteIP) \n| where RemoteIP in (IPList) \n| extend timestamp = TimeGenerated, IPCustomEntity = RemoteIP, HostCustomEntity = DeviceName \n),\n(\nAzureDiagnostics\n| where ResourceType == \"AZUREFIREWALLS\"\n| where Category == \"AzureFirewallApplicationRule\"\n| parse msg_s with Protocol 'request from ' SourceHost ':' SourcePort 'to ' DestinationHost ':' DestinationPort '. Action:' Action\n| where isnotempty(DestinationHost)\n| where DestinationHost has_any (IPList) \n| extend DestinationIP = DestinationHost \n| extend IPCustomEntity = SourceHost\n),\n(\nAzureDiagnostics\n| where ResourceType == \"AZUREFIREWALLS\"\n| where Category == \"AzureFirewallNetworkRule\"\n| parse msg_s with Protocol 'request from ' SourceHost ':' SourcePort 'to ' DestinationHost ':' DestinationPort '. Action:' Action\n| where isnotempty(DestinationHost)\n| where DestinationHost has_any (IPList) \n| extend DestinationIP = DestinationHost \n| extend IPCustomEntity = SourceHost\n),\n(\nAZFWApplicationRule\n| where Fqdn has_any (IPList)\n| extend IPCustomEntity = SourceIp\n),\n(\nAZFWNetworkRule\n| where DestinationIp has_any (IPList)\n| extend IPCustomEntity = SourceIp\n)\n)\n",
"queryFrequency": "PT12H",
"queryPeriod": "PT12H",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Impact"
],
"techniques": [
"T1486"
],
"alertRuleTemplateName": "a172107d-794c-48c0-bc26-d3349fe10b4d",
"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": [
"Dev-0530",
{
"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/Dev-0530_July2022.yaml",
"templateVersion": "1.1.2"
}
}
]
}