52 lines
1.3 KiB
JSON
52 lines
1.3 KiB
JSON
{
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"id": "CASE-2026-1002",
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"memory_type": "case",
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"scenario": "o365_suspicious_login",
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"title": "Legacy protocol sign-in from unfamiliar IP blocked by policy",
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"abstract": "Legacy authentication attempt from a cloud IP was blocked; investigation tied it to an approved migration tool test.",
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"verdict": "false_positive",
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"severity": "medium",
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"entities": {
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"users": [
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"svc-migration@corp.example"
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],
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"hosts": [],
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"mailboxes": [
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"svc-migration@corp.example"
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]
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},
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"observables": {
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"ips": [
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"192.0.2.24"
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],
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"domains": [],
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"urls": [],
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"hashes": []
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},
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"evidence": [
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"The account is a known migration service account.",
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"Source IP matched approved cloud migration vendor range.",
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"No successful sign-in occurred due to policy block."
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],
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"patterns": [
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"verdict:false_positive",
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"scenario:o365_suspicious_login",
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"alert_type:azuread_legacy_auth_attempt"
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],
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"related_refs": {
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"playbooks": [
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"PB-O365-LOGIN-001"
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],
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"kb": [
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"KB-O365-LEGACY-AUTH"
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],
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"cases": []
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},
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"source_path": "/home/tom/soc_memory_poc/evaluation/datasets/mock_cases/o365_suspicious_login/CASE-2026-1002.json",
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"tags": [
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"o365",
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"login",
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"false-positive",
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"legacy-auth"
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]
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} |