52 lines
1.3 KiB
JSON
52 lines
1.3 KiB
JSON
{
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"id": "CASE-2026-1004",
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"memory_type": "case",
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"scenario": "o365_suspicious_login",
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"title": "Multiple failed logins from residential proxy but no successful access",
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"abstract": "Repeated failed Microsoft 365 sign-in attempts targeted one user from a residential proxy network, with no successful authentication observed.",
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"verdict": "uncertain",
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"severity": "medium",
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"entities": {
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"users": [
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"frank@corp.example"
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],
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"hosts": [],
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"mailboxes": [
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"frank@corp.example"
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]
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},
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"observables": {
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"ips": [
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"203.0.113.201"
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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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"High-volume failed attempts over a short period.",
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"Source IP attributed to a residential proxy provider.",
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"No matching successful sign-in or MFA event found."
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],
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"patterns": [
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"verdict:uncertain",
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"scenario:o365_suspicious_login",
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"alert_type:azuread_password_spray_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-IMPOSSIBLE-TRAVEL"
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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-2026-1004.json",
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"tags": [
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"o365",
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"login",
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"password-spray",
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"pending"
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]
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} |