Query: write Sigma for Detects potentially suspicious events involving "GetSigninToken". An adversary using the "aws_consoler" tool can leverag
Matching passage: Sigma rule: Detects potentially suspicious events involving "GetSigninToken". An adversary using the "aws_consoler" tool can leverag. Logsource: aws / cloudtrail. Rule: title: AWS Console GetSigninToken Potential Abuse id: f8103686-e3e8-46f3-be72-65f7fcb4aa53 status: test description: 'Detects potentially suspicious events involving "GetSigninToken". An adversary using the "aws_consoler" tool can leverage this console API to create temporary federated credential that help obfuscate which AWS credential is compromised (the original access key) and enables the adversary to pivot from the AWS CLI to console sessions without the need for MFA using the new access key issued in this request. ' references: - https://github.com/NetSPI/aws_consoler - https://www.crowdstrike.com/blog/analysis-of-intrusion-campaign-targeting-telecom-and-bpo-companies/ author: Chester Le Bron (@123Le_Bron) date: 2024-02-26 tags: - attack.lateral-movement - attack.t1021.007 - attack.t1550.001 logsource: product: aws service: cloudtrail detection: selection: eventSource: signin.amazonaws.com eventName: GetSigninToken filter_main_console_ua: userAgent|contains: Jersey/${project.version} condition: selection and not 1 of filter_main_* falsepositives: - GetSigninToken events will occur when using AWS SSO portal to login and will generate false positives if you do not filter for the expected user agent(s), see filter. Non-SSO configured roles would be abnormal and should be investigated. level: medium
Near-miss passage: Sigma rule: Detects attempts to query system information directly from the Windows Registry.. Logsource: windows / process_creation. Rule: title: System Information Discovery via Registry Queries id: 0022869c-49f7-4ff2-ba03-85ac42ddac58 status: experimental description: Detects attempts to query system information directly from the Windows Registry. references: - https://cert.gov.ua/article/6277849 - https://github.com/redcanaryco/atomic-red-team/blob/75fa21076dcefa348a7521403cdd6bfc4e88623c/atomics/T1082/T1082.md - https://github.com/redcanaryco/atomic-red-team/blob/75fa21076dcefa348a7521403cdd6bfc4e88623c/atomics/T1124/T1124.md author: lazarg date: 2025-06-12 modified: 2025-10-25 tags: - attack.discovery - attack.t1082 logsource: category: process_creation product: windows detection: selection_cmd_reg: Image|endswith: \reg.exe CommandLine|contains: query CommandLine|contains|windash: -v selection_cmd_powershell: Image|endswith: - \powershell.exe - \pwsh.exe CommandLine|contains: - Get-ItemPropertyValue - gpv selection_keys: CommandLine|contains: - \SOFTWARE\Microsoft\Windows Defender - \SOFTWARE\Microsoft\Windows NT\CurrentVersion - \SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall - \SYSTEM\CurrentControlSet\Control\TimeZoneInformation - \SYSTEM\CurrentControlSet\Services condition: 1 of selection_cmd_* and selection_keys falsepositives: - Unlikely level: low regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_discovery_via_reg_queries/info.yml simulation: - type: atomic-red-team name: System Information Discovery technique: T1010 atomic_guid: 66703791-c902-4560-8770-42b8a91f7667 - type: atomic-red-team name: Discover OS Product Name via Registry technique: T1082 atomic_guid: be3b5fe3-a575-4fb8-83f6-ad4a68dd5ce7 - type: atomic-red-team name: Discover OS Build Number via Registry technique: T1082 atomic_guid: acfcd709-0013-4f1e-b9ee-bc1e7bafaaec