56 lines
1.4 KiB
JSON
56 lines
1.4 KiB
JSON
{
|
|
"id": "CASE-2026-1001",
|
|
"memory_type": "case",
|
|
"scenario": "o365_suspicious_login",
|
|
"title": "Impossible travel login followed by MFA prompt fatigue",
|
|
"abstract": "User account showed impossible travel between Shanghai and Amsterdam, followed by repeated MFA prompts and successful sign-in.",
|
|
"verdict": "true_positive",
|
|
"severity": "high",
|
|
"entities": {
|
|
"users": [
|
|
"david@corp.example"
|
|
],
|
|
"hosts": [
|
|
"WS-DAVID-01"
|
|
],
|
|
"mailboxes": [
|
|
"david@corp.example"
|
|
]
|
|
},
|
|
"observables": {
|
|
"ips": [
|
|
"203.0.113.150",
|
|
"198.51.100.61"
|
|
],
|
|
"domains": [],
|
|
"urls": [],
|
|
"hashes": []
|
|
},
|
|
"evidence": [
|
|
"Two successful sign-ins from geographically impossible locations within 15 minutes.",
|
|
"MFA challenge volume increased abnormally before final success.",
|
|
"User confirmed they did not initiate overseas login."
|
|
],
|
|
"patterns": [
|
|
"verdict:true_positive",
|
|
"scenario:o365_suspicious_login",
|
|
"alert_type:azuread_impossible_travel"
|
|
],
|
|
"related_refs": {
|
|
"playbooks": [
|
|
"PB-O365-LOGIN-001"
|
|
],
|
|
"kb": [
|
|
"KB-O365-IMPOSSIBLE-TRAVEL",
|
|
"KB-O365-MFA-FATIGUE"
|
|
],
|
|
"cases": []
|
|
},
|
|
"source_path": "/home/tom/soc_memory_poc/evaluation/datasets/mock_cases/o365_suspicious_login/CASE-2026-1001.json",
|
|
"tags": [
|
|
"o365",
|
|
"login",
|
|
"impossible-travel",
|
|
"mfa-fatigue"
|
|
]
|
|
} |