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playbook-IOC_Alert.yml
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playbook-IOC_Alert.yml
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id: IOC Alert
version: -1
name: IOC Alert
description: "IOCs provide the ability to alert on known malicious objects on endpoints across the organization. \n\n**Analysis Actions:**\nThe playbook will use several enrichment sources to determine the IOC verdict. Additionally, will use the Analytics module to run a prevalence check for the IOC.\n\n**Response Actions:**\nThe playbook's first response action is a containment plan that is based on the playbook input. In that phase, the playbook will execute endpoint isolation\n\n**Investigative Actions:**\nWhen the playbook executes, it checks for additional abnormal activity using the Endpoint Investigation Plan playbook that can indicate the endpoint might be compromised.\n\n**Remediation Actions:**\nIn case results are found within the investigation phase, the playbook will execute remediation actions that include containment and eradication.\n\nThis phase will execute the following containment actions:\n\n* File quarantine\n* Endpoint isolation\n\nAnd the following eradication actions:\n\n* Manual process termination\n* Manual file deletion"
starttaskid: "0"
tasks:
"0":
id: "0"
taskid: 6e568fda-d217-4f3c-8a2e-b88b0d7ce2cf
type: start
task:
id: 6e568fda-d217-4f3c-8a2e-b88b0d7ce2cf
version: -1
name: ""
iscommand: false
brand: ""
description: ''
nexttasks:
'#none#':
- "47"
separatecontext: false
continueonerrortype: ""
view: |-
{
"position": {
"x": 410,
"y": -110
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"10":
id: "10"
taskid: e0f81dd8-c1b5-4641-80c2-d06d57e246e9
type: condition
task:
id: e0f81dd8-c1b5-4641-80c2-d06d57e246e9
version: -1
name: Found suspicious IOC?
description: Checks if any suspicious IOCs were found to continue with the alert investigation.
type: condition
iscommand: false
brand: ""
nexttasks:
'#default#':
- "12"
"yes":
- "76"
separatecontext: false
conditions:
- label: "yes"
condition:
- - operator: isEqualString
left:
value:
complex:
root: IPVerdict
iscontext: true
right:
value:
simple: Suspicious
- operator: isEqualString
left:
value:
complex:
root: FileVerdict
iscontext: true
right:
value:
simple: Suspicious
- operator: isEqualString
left:
value:
complex:
root: DomainVerdict
iscontext: true
right:
value:
simple: Suspicious
- operator: containsString
left:
value:
complex:
root: Core.AnalyticsPrevalence.Ip
accessor: value
transformers:
- operator: append
args:
item:
value:
simple: Core.AnalyticsPrevalence.Hash.value
iscontext: true
- operator: append
args:
item:
value:
simple: Core.AnalyticsPrevalence.Domain.value
iscontext: true
- operator: append
args:
item:
value:
simple: Core.AnalyticsPrevalence.Process.value
iscontext: true
- operator: append
args:
item:
value:
simple: Core.AnalyticsPrevalence.Registry.value
iscontext: true
- operator: append
args:
item:
value:
simple: Core.AnalyticsPrevalence.Cmd.value
iscontext: true
iscontext: true
right:
value:
simple: "True"
ignorecase: true
continueonerrortype: ""
view: |-
{
"position": {
"x": 410,
"y": 530
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"12":
id: "12"
taskid: 247d2a4d-60bd-4ba6-8ced-d54cb5dfd5d0
type: title
task:
id: 247d2a4d-60bd-4ba6-8ced-d54cb5dfd5d0
version: -1
name: Handle False Positive
type: title
iscommand: false
brand: ""
description: ''
nexttasks:
'#none#':
- "69"
separatecontext: false
continueonerrortype: ""
view: |-
{
"position": {
"x": -230,
"y": 745
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"25":
id: "25"
taskid: 8984e9bb-8b45-430a-8397-509e2865c466
type: title
task:
id: 8984e9bb-8b45-430a-8397-509e2865c466
version: -1
name: Investigation
type: title
iscommand: false
brand: ""
description: ''
nexttasks:
'#none#':
- "68"
separatecontext: false
continueonerrortype: ""
view: |-
{
"position": {
"x": 410,
"y": 1210
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"37":
id: "37"
taskid: b1098495-80b3-4450-80fe-79f14e84a9f4
type: title
task:
id: b1098495-80b3-4450-80fe-79f14e84a9f4
version: -1
name: Done
type: title
iscommand: false
brand: ""
description: ''
separatecontext: false
continueonerrortype: ""
view: |-
{
"position": {
"x": 410,
"y": 3720
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"43":
id: "43"
taskid: b772f110-939d-4f2b-8850-088e8cf36343
type: condition
task:
id: b772f110-939d-4f2b-8850-088e8cf36343
version: -1
name: Should continue with the investigation?
description: Asks the user whether the alert investigation should continue.
type: condition
iscommand: false
brand: ""
nexttasks:
'#default#':
- "44"
"yes":
- "60"
separatecontext: false
continueonerrortype: ""
view: |-
{
"position": {
"x": 410,
"y": 2530
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"44":
id: "44"
taskid: a0697551-115b-4674-8204-ba39af9247f5
type: regular
task:
id: a0697551-115b-4674-8204-ba39af9247f5
version: -1
name: Continue with the incident investigation
description: Continue with the incident investigation.
type: regular
iscommand: false
brand: ""
nexttasks:
'#none#':
- "60"
separatecontext: false
continueonerrortype: ""
view: |-
{
"position": {
"x": 710,
"y": 2700
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"47":
id: "47"
taskid: c4e0656d-a1b2-4166-850e-4faa6e06a6c9
type: title
task:
id: c4e0656d-a1b2-4166-850e-4faa6e06a6c9
version: -1
name: 'Analysis '
type: title
iscommand: false
brand: ""
description: ''
nexttasks:
'#none#':
- "82"
separatecontext: false
continueonerrortype: ""
view: |-
{
"position": {
"x": 410,
"y": 40
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"54":
id: "54"
taskid: eedbc660-cd5d-4fa8-8b6b-c6ad6acba120
type: condition
task:
id: eedbc660-cd5d-4fa8-8b6b-c6ad6acba120
version: -1
name: Found relevant information?
description: Checks if relevant information was found.
type: condition
iscommand: false
brand: ""
nexttasks:
'#default#':
- "43"
"yes":
- "83"
separatecontext: false
conditions:
- label: "yes"
condition:
- - operator: isNotEmpty
left:
value:
complex:
root: foundIncidents
iscontext: true
continueonerrortype: ""
view: |-
{
"position": {
"x": 410,
"y": 1540
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"60":
id: "60"
taskid: 6428ba34-883b-45cf-8c12-f8411f434de7
type: title
task:
id: 6428ba34-883b-45cf-8c12-f8411f434de7
version: -1
name: Recovery
type: title
iscommand: false
brand: ""
description: ''
nexttasks:
'#none#':
- "73"
separatecontext: false
continueonerrortype: ""
view: |-
{
"position": {
"x": 410,
"y": 2870
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"66":
id: "66"
taskid: d28beff8-6a1a-47ab-8fe9-f894e9a17cfc
type: playbook
task:
id: d28beff8-6a1a-47ab-8fe9-f894e9a17cfc
version: -1
name: Enrichment for Verdict
description: This playbook checks prior alert closing reasons and performs enrichment and prevalence checks on different IOC types. It then returns the information needed to establish the alert's verdict.
playbookName: Enrichment for Verdict
type: playbook
iscommand: false
brand: ""
nexttasks:
'#none#':
- "10"
scriptarguments:
CloseReason:
simple: Resolved - False Positive,Resolved - Duplicate Incident,Resolved - Known Issue
Domain:
complex:
root: ExtractedIndicators
accessor: Domain
FileSHA256:
complex:
root: ExtractedIndicators
accessor: File
IP:
complex:
root: ExtractedIndicators
accessor: IP
URL:
complex:
root: ExtractedIndicators
accessor: URL
query:
simple: sourceBrand:"${alert.sourceBrand}" and name:"${alert.name}"
threshold:
simple: "5"
separatecontext: true
continueonerrortype: ""
loop:
iscommand: false
exitCondition: ""
wait: 1
max: 100
view: |-
{
"position": {
"x": 410,
"y": 340
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"67":
id: "67"
taskid: 42c60c2c-36bc-43db-8a99-2120db91b67c
type: playbook
task:
id: 42c60c2c-36bc-43db-8a99-2120db91b67c
version: -1
name: Containment Plan
description: "This playbook handles all the containment actions available with Cortex XSIAM, including: \n* Isolate endpoint\n* Disable account\n* Quarantine file\n* Block indicators\n* Clear user session (currently, the playbook supports only Okta)\n\nNote: The playbook inputs enable manipulating the execution flow. Read the input descriptions for details."
playbookName: Containment Plan
type: playbook
iscommand: false
brand: ""
nexttasks:
'#none#':
- "25"
scriptarguments:
AutoContainment:
complex:
root: inputs.BlockIndicatorsAutomatically
transformers:
- operator: SetIfEmpty
args:
applyIfEmpty:
value:
simple: "false"
defaultValue:
value:
simple: "false"
BlockIndicators:
simple: "False"
ClearUserSessions:
simple: "False"
EndpointID:
complex:
root: alert
accessor: agentid
FileContainment:
simple: "False"
FileRemediation:
simple: Quarantine
HostContainment:
simple: "True"
UserContainment:
simple: "False"
separatecontext: true
continueonerrortype: ""
loop:
iscommand: false
exitCondition: ""
wait: 1
max: 100
view: |-
{
"position": {
"x": 660,
"y": 1040
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"68":
id: "68"
taskid: 323c4f4e-36a1-4cc9-8c31-d54582ed410e
type: playbook
task:
id: 323c4f4e-36a1-4cc9-8c31-d54582ed410e
version: -1
name: Endpoint Investigation Plan
description: "This playbook handles all the endpoint investigation actions available with Cortex XSIAM, including the following tasks:\n* Pre-defined MITRE Tactics\n* Host fields (Host ID)\n* Attacker fields (Attacker IP, External host)\n* MITRE techniques\n* File hash (currently, the playbook supports only SHA256) \n\nNote: The playbook inputs enable manipulating the execution flow. Read the input descriptions for details."
playbookName: Endpoint Investigation Plan
type: playbook
iscommand: false
brand: ""
nexttasks:
'#none#':
- "54"
scriptarguments:
HuntCnCTechniques:
simple: "True"
HuntCollectionTechniques:
simple: "True"
HuntDefenseEvasionTechniques:
simple: "True"
HuntDiscoveryTechniques:
simple: "True"
HuntExecutionTechniques:
simple: "True"
HuntImpactTechniques:
simple: "True"
HuntInitialAccessTechniques:
simple: "True"
HuntLateralMovementTechniques:
simple: "True"
HuntPersistenceTechniques:
simple: "True"
HuntPrivilegeEscalationTechniques:
simple: "True"
HuntReconnaissanceTechniques:
simple: "True"
agentID:
complex:
root: alert
accessor: agentid
timeRange:
simple: 2 hours ago
separatecontext: false
continueonerrortype: ""
loop:
iscommand: false
exitCondition: ""
wait: 1
max: 100
view: |-
{
"position": {
"x": 410,
"y": 1365
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"69":
id: "69"
taskid: 5b77fe0b-f78b-4604-868e-a574e916afd1
type: playbook
task:
id: 5b77fe0b-f78b-4604-868e-a574e916afd1
version: -1
name: Handle False Positive Alerts
description: |
This playbook handles false positive alerts.
It creates an alert exclusion or alert exception, or adds a file to an allow list based on the alert fields and playbook inputs.
playbookName: Handle False Positive Alerts
type: playbook
iscommand: false
brand: ""
nexttasks:
'#none#':
- "37"
scriptarguments:
FileSHA256:
complex:
root: alert
accessor: initiatorsha256
IOC:
complex:
root: alert
accessor: name
transformers:
- operator: RegexGroups
args:
flags: {}
groups:
value:
simple: "0"
keys: {}
regex:
value:
simple: IOC\s+\((.*)\)
ShouldCloseAutomatically:
complex:
root: inputs.ShouldCloseAutomatically
ShouldHandleFPautomatically:
complex:
root: inputs.ShouldHandleFPautomatically
alertName:
complex:
root: alert
accessor: name
sourceIP:
complex:
root: alert
accessor: hostip
username:
complex:
root: alert
accessor: username
separatecontext: true
continueonerrortype: ""
loop:
iscommand: false
exitCondition: ""
wait: 1
max: 100
view: |-
{
"position": {
"x": -230,
"y": 880
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"72":
id: "72"
taskid: b7c41b05-77b0-435c-885e-015688350d6c
type: regular
task:
id: b7c41b05-77b0-435c-885e-015688350d6c
version: -1
name: close alert
description: Closes the alert in Cortex XSIAM.
script: Builtin|||closeInvestigation
type: regular
iscommand: true
brand: Builtin
nexttasks:
'#none#':
- "37"
scriptarguments:
closeReason:
simple: Resolved - Threat Handled
separatecontext: false
continueonerrortype: ""
view: |-
{
"position": {
"x": 750,
"y": 3540
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"73":
id: "73"
taskid: af811990-e3b5-4329-804d-b3c43a770f55
type: condition
task:
id: af811990-e3b5-4329-804d-b3c43a770f55
version: -1
name: Should restore affected endpoint?
description: Checks if it should release the affected endpoint from isolation.
type: condition
iscommand: false
brand: ""
nexttasks:
'#default#':
- "74"
"yes":
- "75"
separatecontext: false
conditions:
- label: "yes"
condition:
- - operator: isEqualString
left:
value:
complex:
root: inputs.AutoRestoreEndpoint
iscontext: true
right:
value:
simple: "True"
ignorecase: true
continueonerrortype: ""
view: |-
{
"position": {
"x": 410,
"y": 3005
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"74":
id: "74"
taskid: 3529adf2-dc0d-40b4-8dae-2cf84c2d7641
type: condition
task:
id: 3529adf2-dc0d-40b4-8dae-2cf84c2d7641
version: -1
name: Should close alert automatically?
description: Whether to close the alert automatically or manually.
type: condition
iscommand: false
brand: ""
nexttasks:
'#default#':
- "37"
"yes":
- "72"
separatecontext: false
conditions:
- label: "yes"
condition:
- - operator: isEqualString
left:
value:
complex:
root: inputs.ShouldCloseAutomatically
iscontext: true
right:
value:
simple: "True"
ignorecase: true
continueonerrortype: ""
view: |-
{
"position": {
"x": 410,
"y": 3360
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"75":
id: "75"
taskid: d36e9607-9c96-4688-8d3f-65bb37739224
type: playbook
task:
id: d36e9607-9c96-4688-8d3f-65bb37739224
version: -1
name: Recovery Plan
description: |-
This playbook handles all the recovery actions available with Cortex XSIAM, including the following tasks:
* Unisolate endpoint
* Restore quarantined file
Note: The playbook inputs enable manipulating the execution flow. Read the input descriptions for details.
playbookName: Recovery Plan
type: playbook
iscommand: false
brand: ""
nexttasks:
'#none#':
- "74"
scriptarguments:
endpointID:
complex:
root: alert
accessor: agentid
releaseFile:
simple: "false"
unIsolateEndpoint:
simple: "true"
separatecontext: true
continueonerrortype: ""
view: |-
{
"position": {
"x": 760,
"y": 3180
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"76":
id: "76"
taskid: b80d75a1-dc20-4414-88cf-3884b5831def
type: title
task:
id: b80d75a1-dc20-4414-88cf-3884b5831def
version: -1
name: Pre-Investigation Containment
type: title
iscommand: false
brand: ""
description: ''
nexttasks:
'#none#':
- "77"
separatecontext: false
continueonerrortype: ""
view: |-
{
"position": {
"x": 410,
"y": 745
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"77":
id: "77"
taskid: c2cbe10d-8222-4923-89bf-affca982e631
type: condition
task:
id: c2cbe10d-8222-4923-89bf-affca982e631
version: -1
name: Should run pre-investigation containment?
description: Checks whether to isolate the host after the investigation phase.
type: condition
iscommand: false
brand: ""
nexttasks:
'#default#':
- "25"
"yes":
- "67"
separatecontext: false
conditions:
- label: "yes"
condition:
- - operator: isEqualString
left:
value:
complex:
root: inputs.PreHostContainment
transformers:
- operator: toLowerCase
iscontext: true
right:
value:
simple: "true"
ignorecase: true
continueonerrortype: ""
view: |-
{
"position": {
"x": 410,
"y": 870
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"79":
id: "79"
taskid: a6324b2e-b539-433e-839c-7bdd2bb90f68
type: title
task:
id: a6324b2e-b539-433e-839c-7bdd2bb90f68
version: -1
name: Remediation
type: title
iscommand: false
brand: ""
description: ''
nexttasks:
'#none#':
- "80"
- "81"
separatecontext: false
continueonerrortype: ""
view: |-
{
"position": {
"x": 870,
"y": 2220
}
}
note: false
timertriggers: []
ignoreworker: false
skipunavailable: false
quietmode: 0
isoversize: false
isautoswitchedtoquietmode: false
"80":
id: "80"
taskid: 9ea917dd-abb0-425f-81b1-0496a82a1d86
type: playbook
task:
id: 9ea917dd-abb0-425f-81b1-0496a82a1d86
version: -1
name: Containment Plan
description: "This playbook handles all the containment actions available with Cortex XSIAM, including: \n* Isolate endpoint\n* Disable account\n* Quarantine file\n* Block indicators\n* Clear user session (currently, the playbook supports only Okta)\n\nNote: The playbook inputs enable manipulating the execution flow. Read the input descriptions for details."
playbookName: Containment Plan
type: playbook
iscommand: false
brand: ""
nexttasks:
'#none#':
- "43"
scriptarguments:
AutoContainment:
complex:
root: inputs.AutoContainment
transformers:
- operator: SetIfEmpty
args:
applyIfEmpty: {}
defaultValue:
value:
simple: "false"
BlockIndicators:
simple: "False"
ClearUserSessions:
simple: "True"
EndpointID:
complex:
root: alert
accessor: agentid
FileContainment:
simple: "True"
FileHash:
complex:
root: foundIncidents.CustomFields
filters:
- - operator: isNotEqualString
left:
value:
simple: foundIncidents.CustomFields.initiatorpath
iscontext: true
right:
value: