Query: rule covering Detects known malicious service installs that appear in cases in which a Cobalt Strike beacon elevates privileges or lat
Matching passage: Sigma rule: Detects known malicious service installs that appear in cases in which a Cobalt Strike beacon elevates privileges or lat. Logsource: windows / security. Rule: title: CobaltStrike Service Installations - Security id: d7a95147-145f-4678-b85d-d1ff4a3bb3f6 related: - id: 5a105d34-05fc-401e-8553-272b45c1522d type: derived status: test description: Detects known malicious service installs that appear in cases in which a Cobalt Strike beacon elevates privileges or lateral movement references: - https://www.sans.org/webcasts/119395 - https://www.crowdstrike.com/blog/getting-the-bacon-from-cobalt-strike-beacon/ - https://thedfirreport.com/2021/08/29/cobalt-strike-a-defenders-guide/ author: Florian Roth (Nextron Systems), Wojciech Lesicki date: 2021-05-26 modified: 2022-11-27 tags: - attack.persistence - attack.execution - attack.privilege-escalation - attack.lateral-movement - attack.t1021.002 - attack.t1543.003 - attack.t1569.002 logsource: product: windows service: security definition: The 'System Security Extension' audit subcategory need to be enabled to log the EID 4697 detection: event_id: EventID: 4697 selection1: ServiceFileName|contains|all: - ADMIN$ - .exe selection2: ServiceFileName|contains|all: - '%COMSPEC%' - start - powershell selection3: ServiceFileName|contains: powershell -nop -w hidden -encodedcommand selection4: ServiceFileName|base64offset|contains: 'IEX (New-Object Net.Webclient).DownloadString(''http://127.0.0.1:' condition: event_id and 1 of selection* falsepositives: - Unknown level: high
Near-miss passage: Sigma rule: Detects programs that connect to known malware callback ports based on statistical analysis from two different sandbox s. Logsource: windows / network_connection. Rule: title: Potentially Suspicious Malware Callback Communication id: 4b89abaa-99fe-4232-afdd-8f9aa4d20382 related: - id: 6d8c3d20-a5e1-494f-8412-4571d716cf5c type: similar status: test description: 'Detects programs that connect to known malware callback ports based on statistical analysis from two different sandbox system databases ' references: - https://docs.google.com/spreadsheets/d/17pSTDNpa0sf6pHeRhusvWG6rThciE8CsXTSlDUAZDyo author: Florian Roth (Nextron Systems) date: 2017-03-19 modified: 2024-03-12 tags: - attack.persistence - attack.command-and-control - attack.t1571 logsource: category: network_connection product: windows detection: selection: Initiated: 'true' DestinationPort: - 100 - 198 - 200 - 243 - 473 - 666 - 700 - 743 - 777 - 1443 - 1515 - 1777 - 1817 - 1904 - 1960 - 2443 - 2448 - 3360 - 3675 - 3939 - 4040 - 4433 - 4438 - 4443 - 4444 - 4455 - 5445 - 5552 - 5649 - 6625 - 7210 - 7777 - 8143 - 8843 - 9631 - 9943 - 10101 - 12102 - 12103 - 12322 - 13145 - 13394 - 13504 - 13505 - 13506 - 13507 - 14102 - 14103 - 14154 - 49180 - 65520 - 65535 filter_main_local_ranges: DestinationIp|cidr: - 127.0.0.0/8 - 10.0.0.0/8 - 172.16.0.0/12 - 192.168.0.0/16 - 169.254.0.0/16 - ::1/128 - fe80::/10 - fc00::/7 filter_optional_sys_directories: Image|startswith: - C:\Program Files\ - C:\Program Files (x86)\ condition: selection and not 1 of filter_main_* and not 1 of filter_optional_* falsepositives: - Unknown level: high