ExtraHop - CVE-2019-0708 (BlueKeep)
This server received a Remote Desktop Protocol (RDP) connection request that is consistent with a known vulnerability, also known as BlueKeep, in older versions of Microsoft Windows. This vulnerability allows an unauthenticated attacker to remotely run arbitrary code on an RDP server. The attacker can then tamper with data or install malware that could propagate to other Windows devices across the network. Investigate to determine if this server is hosting a version affected by CVE-2019-0708: Windows 7, Windows XP, Windows Vista, Windows Server 2003, and Windows Server 2008. MITIGATION OPTIONS - Disable Remote Desktop Services if they are not required - Implement Network Level Authentication (NLA) on systems running supported versions of Windows 7, Windows Server 2008, and Windows Server 2008 R2 - Configure firewalls to block traffic on TCP port 3389
ExtraHop Reveal(x) · 10 tasks · 1 input · 4 outputs
Details
| ID | ExtraHop - CVE-2019-0708 (BlueKeep) |
|---|---|
| From Version | 5.0.0 |
| Tasks | 10 |
README
This server received a Remote Desktop Protocol (RDP) connection request that is consistent with a known vulnerability, also known as BlueKeep, in older versions of Microsoft Windows. This vulnerability allows an unauthenticated attacker to remotely run arbitrary code on an RDP server. The attacker can then tamper with data or install malware that could propagate to other Windows devices across the network. Investigate to determine if this server is hosting a version affected by CVE-2019-0708: Windows 7, Windows XP, Windows Vista, Windows Server 2003, and Windows Server 2008.
MITIGATION OPTIONS
- Disable Remote Desktop Services if they are not required
- Implement Network Level Authentication (NLA) on systems running supported versions of Windows 7, Windows Server 2008, and Windows Server 2008 R2
- Configure firewalls to block traffic on TCP port 3389
Dependencies
This playbook uses the following sub-playbooks, integrations, and scripts.
Sub-playbooks
- Block IP - Generic v2
- ExtraHop - Get Peers by Host
Integrations
- CVE Search
Scripts
- Exists
Commands
- cve-search
- extrahop-packets-search
Playbook Inputs
| Name | Description | Default Value | Required |
|---|---|---|---|
| AutoBlockIp | Enables the Block IP capability automatically, can be, “True” or “False”. The Block IP sub-playbook will block the offender IP address in the relevant integrations. |
False | Optional |
Playbook Outputs
| Path | Description | Type |
|---|---|---|
| CVE | The details on the CVE. | unknown |
| ExtraHop.Device | The details on the host and any peer devices found. | unknown |
| ExtraHop.ActivityMap | The link to a visual activity map in ExtraHop. | string |
| ExtraHop.Record.Source | The associated transaction records from ExtraHop. | unknown |
Playbook Image

Inputs
AutoBlockIp— Enable the "Block IP" capability automatically (can be either "True" or "False"). The "Block IP" sub-playbook will block the offender IP address in the relevant integrations.
Outputs
CVE— Details on the CVE.ExtraHop.Device— Details on the host and any peer devices found.ExtraHop.ActivityMap— The link to a visual activity map in ExtraHop.ExtraHop.Record.Source— Associated transaction records from ExtraHop.
Commands used
cve
extrahop-packets-search
Flowchart
id: ExtraHop - CVE-2019-0708 (BlueKeep) version: -1 fromversion: 5.0.0 name: ExtraHop - CVE-2019-0708 (BlueKeep) description: |- This server received a Remote Desktop Protocol (RDP) connection request that is consistent with a known vulnerability, also known as BlueKeep, in older versions of Microsoft Windows. This vulnerability allows an unauthenticated attacker to remotely run arbitrary code on an RDP server. The attacker can then tamper with data or install malware that could propagate to other Windows devices across the network. Investigate to determine if this server is hosting a version affected by CVE-2019-0708: Windows 7, Windows XP, Windows Vista, Windows Server 2003, and Windows Server 2008. MITIGATION OPTIONS - Disable Remote Desktop Services if they are not required - Implement Network Level Authentication (NLA) on systems running supported versions of Windows 7, Windows Server 2008, and Windows Server 2008 R2 - Configure firewalls to block traffic on TCP port 3389 starttaskid: "0" tasks: "0": id: "0" taskid: c900f024-5ddc-454e-8ab6-0c13880092cc type: start task: id: c900f024-5ddc-454e-8ab6-0c13880092cc version: -1 name: "" description: "" iscommand: false brand: "" nexttasks: '#none#': - "15" separatecontext: false view: |- { "position": { "x": -10, "y": -460 } } note: false timertriggers: [] ignoreworker: false skipunavailable: false quietmode: 0 isoversize: false isautoswitchedtoquietmode: false "2": id: "2" taskid: 1cb52ba5-300d-4784-824a-aedf40f72df5 type: title task: id: 1cb52ba5-300d-4784-824a-aedf40f72df5 version: -1 name: Done description: "" type: title iscommand: false brand: "" separatecontext: false view: |- { "position": { "x": -10, "y": 790 } } note: false timertriggers: [] ignoreworker: false skipunavailable: false quietmode: 0 isoversize: false isautoswitchedtoquietmode: false "15": id: "15" taskid: 36a7d3d4-f7c8-459c-84e5-ce689a87a7fd type: condition task: id: 36a7d3d4-f7c8-459c-84e5-ce689a87a7fd version: -1 name: Is ExtraHop Reveal(x) enabled? description: Checks if there is an active instance of the ExtraHop Reveal(x) integration enabled. scriptName: Exists type: condition iscommand: false brand: "" nexttasks: '#default#': - "2" "yes": - "16" scriptarguments: value: complex: root: modules filters: - - operator: isEqualString left: value: simple: brand iscontext: true right: value: simple: ExtraHop v2 - - operator: isEqualString left: value: simple: state iscontext: true right: value: simple: active separatecontext: false view: |- { "position": { "x": -10, "y": -320 } } note: false timertriggers: [] ignoreworker: false skipunavailable: false quietmode: 0 isoversize: false isautoswitchedtoquietmode: false "16": id: "16" taskid: fee1c906-3557-4939-8778-727e02d09dfa type: regular task: id: fee1c906-3557-4939-8778-727e02d09dfa version: -1 name: Run CVE search for BlueKeep vulnerability description: Returns CVE information by CVE ID. script: '|||cve' type: regular iscommand: true brand: "" nexttasks: '#none#': - "17" - "24" scriptarguments: cve_id: simple: CVE-2019-0708 continueonerror: true separatecontext: false view: |- { "position": { "x": 210, "y": -120 } } note: false timertriggers: [] ignoreworker: false skipunavailable: false quietmode: 0 isoversize: false isautoswitchedtoquietmode: false "17": id: "17" taskid: df037c03-1011-427e-8ad0-4362b45e48e2 type: playbook task: id: df037c03-1011-427e-8ad0-4362b45e48e2 version: -1 name: ExtraHop - Get Peers by Host description: Given a host, the playbook will retrieve the peer network devices that communicated with that host in a given time range. In addition to a list of peers and protocols (sorted by bytes) the playbook returns a link to the ExtraHop Live Activity Map to visualize the peer relationships. playbookName: ExtraHop - Get Peers by Host type: playbook iscommand: false brand: "" nexttasks: '#none#': - "22" scriptarguments: from_time: complex: root: incident accessor: occurred transformers: - operator: toUnix - operator: subtraction args: by: value: simple: "1800" ip: complex: root: incident accessor: extrahoprevealxdetectionparticipants transformers: - operator: WhereFieldEquals args: equalTo: value: simple: victim field: value: simple: role getField: value: simple: ipaddress mac: complex: root: incident accessor: extrahoprevealxdetectionparticipants transformers: - operator: WhereFieldEquals args: equalTo: value: simple: victim field: value: simple: role getField: value: simple: macaddress name: complex: root: incident accessor: extrahoprevealxdetectionparticipants transformers: - operator: WhereFieldEquals args: equalTo: value: simple: victim field: value: simple: role getField: value: simple: dnsname until_time: complex: root: incident accessor: occurred transformers: - operator: toUnix - operator: addition args: by: value: simple: "1800" separatecontext: true loop: iscommand: false exitCondition: "" wait: 1 max: 0 view: |- { "position": { "x": 210, "y": 50 } } note: false timertriggers: [] ignoreworker: false skipunavailable: false quietmode: 0 isoversize: false isautoswitchedtoquietmode: false "19": id: "19" taskid: a518131c-b989-4844-8467-c255dd769f11 type: condition task: id: a518131c-b989-4844-8467-c255dd769f11 version: -1 name: Email team to block offender IP address description: Ask ExtraHop analysts whether or not to automatically block the offender IP address. type: condition iscommand: false brand: "" nexttasks: '#default#': - "20" "Yes": - "23" separatecontext: false view: |- { "position": { "x": 620, "y": 410 } } note: false timertriggers: [] ignoreworker: false message: to: simple: ExtraHop subject: simple: CVE-2019-0708 RDP Exploit Attempt - Block Offender IP? body: complex: root: incident accessor: extrahoprevealxdetectionparticipants transformers: - operator: WhereFieldEquals args: equalTo: value: simple: offender field: value: simple: role getField: value: simple: ipaddress methods: - email format: "" bcc: null cc: null timings: retriescount: 2 retriesinterval: 360 completeafterreplies: 1 replyOptions: - "Yes" - "No" skipunavailable: false quietmode: 0 isoversize: false isautoswitchedtoquietmode: false "20": id: "20" taskid: 30b3c908-99e9-4ec3-8ddd-85799ce064f3 type: regular task: id: 30b3c908-99e9-4ec3-8ddd-85799ce064f3 version: -1 name: Guided investigation steps and mitigation options description: |- Investigate to determine if the victim server is hosting a version affected by CVE-2019-0708: Windows 7, Windows XP, Windows Vista, Windows Server 2003, and Windows Server 2008. Mitigation Options - Disable Remote Desktop Services if they are not required - Implement Network Level Authentication (NLA) on systems running supported versions of Windows 7, Windows Server 2008, and Windows Server 2008 R2 - Configure firewalls to block traffic on TCP port 3389 type: regular iscommand: false brand: "" nexttasks: '#none#': - "2" separatecontext: false view: |- { "position": { "x": 210, "y": 590 } } note: false timertriggers: [] ignoreworker: false skipunavailable: false quietmode: 0 isoversize: false isautoswitchedtoquietmode: false "22": id: "22" taskid: 9ff72dfc-c9c1-42bc-8ffa-59a27ac4d1ea type: regular task: id: 9ff72dfc-c9c1-42bc-8ffa-59a27ac4d1ea version: -1 name: Get associated PCAP file from ExtraHop Reveal(x) description: Search for specific packets in Reveal(x). script: ExtraHop v2|||extrahop-packets-search type: regular iscommand: true brand: ExtraHop v2 nexttasks: '#none#': - "20" scriptarguments: ip1: complex: root: incident accessor: extrahoprevealxdetectionparticipants transformers: - operator: WhereFieldEquals args: equalTo: value: simple: offender field: value: simple: role getField: value: simple: ipaddress ip2: complex: root: incident accessor: extrahoprevealxdetectionparticipants transformers: - operator: WhereFieldEquals args: equalTo: value: simple: victim field: value: simple: role getField: value: simple: ipaddress port2: simple: "3389" query_from: complex: root: incident accessor: occurred transformers: - operator: toUnix - operator: multiply args: by: value: simple: "1000" query_until: complex: root: incident accessor: occurred transformers: - operator: toUnix - operator: addition args: by: value: simple: "2" - operator: multiply args: by: value: simple: "1000" continueonerror: true separatecontext: false view: |- { "position": { "x": 210, "y": 410 } } note: false timertriggers: [] ignoreworker: false skipunavailable: false quietmode: 0 isoversize: false isautoswitchedtoquietmode: false "23": id: "23" taskid: 942730fc-21ad-480b-8300-acfd7d1e60ef type: playbook task: id: 942730fc-21ad-480b-8300-acfd7d1e60ef version: -1 name: Block IP - Generic v2 description: |- This playbook blocks malicious IPs using all integrations that you have enabled. Supported integrations for this playbook: * Check Point Firewall * Palo Alto Networks Minemeld * Palo Alto Networks PAN-OS * Zscaler playbookName: Block IP - Generic v2 type: playbook iscommand: false brand: "" nexttasks: '#none#': - "2" scriptarguments: IP: complex: root: incident accessor: extrahoprevealxdetectionparticipants transformers: - operator: WhereFieldEquals args: equalTo: value: simple: offender field: value: simple: role getField: value: simple: ipaddress separatecontext: true loop: iscommand: false exitCondition: "" wait: 1 max: 0 view: |- { "position": { "x": 840, "y": 590 } } note: false timertriggers: [] ignoreworker: false skipunavailable: false quietmode: 0 isoversize: false isautoswitchedtoquietmode: false "24": id: "24" taskid: eff52fa9-8108-4afd-8cb2-3d1be040b749 type: condition task: id: eff52fa9-8108-4afd-8cb2-3d1be040b749 version: -1 name: Automatically block the offender IP address? description: Check the playbook inputs to see if automatically blocking the offender IP address is desired. type: condition iscommand: false brand: "" nexttasks: '#default#': - "19" "yes": - "23" separatecontext: false conditions: - label: "yes" condition: - - operator: isEqualString left: value: simple: inputs.AutoBlockIp iscontext: true right: value: simple: "True" view: |- { "position": { "x": 620, "y": 50 } } note: false timertriggers: [] ignoreworker: false skipunavailable: false quietmode: 0 isoversize: false isautoswitchedtoquietmode: false view: |- { "linkLabelsPosition": { "15_2_#default#": 0.12, "19_20_#default#": 0.33, "19_23_Yes": 0.57, "24_19_#default#": 0.55 }, "paper": { "dimensions": { "height": 1315, "width": 1230, "x": -10, "y": -460 } } } inputs: - key: AutoBlockIp value: simple: "False" required: false description: |- Enable the "Block IP" capability automatically (can be either "True" or "False"). The "Block IP" sub-playbook will block the offender IP address in the relevant integrations. playbookInputQuery: null outputs: - contextPath: CVE description: Details on the CVE. type: unknown - contextPath: ExtraHop.Device description: 'Details on the host and any peer devices found. ' type: unknown - contextPath: ExtraHop.ActivityMap description: The link to a visual activity map in ExtraHop. type: string - contextPath: ExtraHop.Record.Source description: Associated transaction records from ExtraHop. type: unknown tests: - ExtraHop_v2-Test