File size: 7,347 Bytes
955a66f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 | from __future__ import annotations
from src.domain import AlertClass, ClaimKind, MIN_VALID_EVENTS, StateKnown, Tag, Verdict
from src.i18n import t
from src.schemas import ChangeFinding, Claim, PipelineResult, ValidationReport
def status_label(lang: str, verdict: Verdict, live: bool) -> str:
suffix = t(lang, "live_note") if live else t(lang, "cached_note")
return f"{t(lang, f'verdict_{verdict.value}')} · {suffix}"
def decide_verdict(n_valid: int, report: ValidationReport) -> Verdict:
if not report.ok:
return Verdict.INVALID
if n_valid < MIN_VALID_EVENTS:
return Verdict.INSUFFICIENT
return Verdict.READY
def reasons(lang: str, result: PipelineResult) -> list[str]:
kpis = result.kpis
lines = [
t(lang, "reason_counts").format(valid=kpis.n_valid, raw=kpis.n_raw, dropped=kpis.n_dropped, changes=kpis.n_changes),
t(lang, "reason_alerts").format(security=kpis.n_security_review, context=kpis.n_context, threshold=kpis.threshold),
t(lang, "reason_eval").format(
recall="—" if kpis.event_recall is None else f"{100 * kpis.event_recall:.0f}%",
precision="—" if kpis.precision_at_k is None else f"{100 * kpis.precision_at_k:.0f}%",
fa="—" if kpis.false_alarms_per_account_day is None else f"{kpis.false_alarms_per_account_day:.3f}",
),
t(lang, "reason_maint").format(n=kpis.maintenance_as_security),
t(lang, "reason_score"),
]
for issue in result.validation.issues[:6]:
lines.append(f"{issue.severity}: {issue.message}")
return lines
def annotate_finding(row: ChangeFinding) -> ChangeFinding:
before = f"`{row.before_event_id}`" if row.before_state == StateKnown.KNOWN and row.before_event_id else "unknown"
after = f"`{row.after_event_id or row.event_id}`" if row.after_state == StateKnown.KNOWN else "unknown"
row.observed = [
f"`{row.event_name}` by `{row.actor_alias}` ({row.actor_kind}/{row.actor_role}) on `{row.account_alias}` at `{row.timestamp}`",
f"resource `{row.resource_alias}` ({row.resource_kind}) in `{row.region}`; change_type `{row.change_type}`",
f"request summary: {row.request_summary or '—'}",
f"before={before}; after={after}; ticket `{row.change_ticket or 'none'}`; approval `{row.approval_status.value}`",
f"evidence event_id values: {', '.join(row.evidence_event_ids[:6]) or row.event_id}",
]
row.inferred = [
f"tag `{row.tag.value}` is a review hint, not proof of current cloud exposure",
f"score={row.score:.2f}; methods={', '.join(row.methods_fired) or 'none'}",
f"open_cidr={row.cidr_open}; public_policy={row.policy_public}; logging_off={row.logging_off}; detector_off={row.detector_off}; wildcard_trust={row.wildcard_trust}",
f"severity `{row.severity.value}` is separate from approval `{row.approval_status.value}`",
]
if row.gold_event_ids:
row.inferred.append(f"overlaps lab event {', '.join(row.gold_event_ids)} ({row.gold_family or 'unlabeled'})")
if row.incomplete:
row.action = "Request parameters are missing. Mark as insufficient evidence. Do not conclude current exposure or apply a cloud change from this demo."
elif row.tag == Tag.MAINTENANCE:
row.action = "This matches the approved Sunday staging window and ticket. Keep it as context; severity can still be medium."
elif row.tag == Tag.OPEN_SG:
row.action = "The event requested 0.0.0.0/0. Review the security-group change. This screen does not update AWS."
elif row.tag == Tag.PUBLIC_S3:
row.action = "The event requested a public-access change. Current bucket exposure is unknown unless a before event is also in this export."
elif row.tag == Tag.TRAIL_STOP:
row.action = "Logging stop/delete was requested. Confirm with the change ticket; do not call the trail disabled in production from one event."
elif row.tag == Tag.DETECTOR:
row.action = "A detector or recorder disable was requested. Review as logging control, not as a confirmed blind spot."
elif row.tag == Tag.ROOT:
row.action = "Root activity is always reviewable. This demo never uses a root credential and never changes the account."
elif row.tag == Tag.TRUST:
row.action = "The trust policy request includes a wildcard principal. Review the role; do not assume the live policy equals this event."
elif row.tag == Tag.IAM_ESCALATION:
row.action = "A privilege-grant event is on the backlog. Confirm the intended role and ticket. No IAM write is sent from here."
elif row.tag == Tag.ACCESS_KEY:
row.action = "An access key create event needs a human look. Keys in this lab are fake and redacted."
elif row.tag == Tag.RESTRICTED_SG:
row.action = "Ingress is present but not 0.0.0.0/0. Treat as context unless other evidence appears."
else:
row.action = "No security-review alert. Keep the change as context or ignore read-only noise."
row.claims = [
Claim(kind=ClaimKind.OBSERVED, text=row.observed[0], locator=row.event_id, field="event"),
Claim(kind=ClaimKind.INFERRED, text=row.inferred[0], locator=row.event_id, field="tag"),
Claim(kind=ClaimKind.ACTION, text=row.action, locator=row.event_id, field="action"),
]
if row.before_state == StateKnown.UNKNOWN or row.after_state == StateKnown.UNKNOWN:
row.claims.append(
Claim(
kind=ClaimKind.UNKNOWN,
text="Before/after configuration is unknown unless both events exist in this export.",
locator=row.event_id,
field="before_after",
)
)
if row.alert_class == AlertClass.NONE and not row.gold_event_ids:
row.claims.append(Claim(kind=ClaimKind.UNKNOWN, text="No authored lab event overlaps this change.", locator=row.event_id, field="gold"))
return row
def finding_markdown(lang: str, row: ChangeFinding | None) -> str:
if row is None:
return t(lang, "empty_card")
observed = "\n".join(f"- {text}" for text in row.observed) or "- —"
inferred = "\n".join(f"- {text}" for text in row.inferred) or "- —"
return (
f"### `{row.finding_id}`\n\n"
f"**{t(lang, 'observed')}**\n{observed}\n\n"
f"**{t(lang, 'inferred')}**\n{inferred}\n\n"
f"**{t(lang, 'action')}**\n- {row.action}\n\n"
f"{t(lang, 'severity')} `{row.severity.value}` · {t(lang, 'confidence')} `{row.confidence.value}` · "
f"{t(lang, 'workflow')} `{row.workflow.value}` · {t(lang, 'approval')} `{row.approval_status.value}` · "
f"gold `{row.gold_family or '—'}`"
)
def state_markdown(lang: str, row: ChangeFinding | None) -> str:
if row is None:
return t(lang, "empty_state")
return (
f"**{t(lang, 'state_card')}** `{row.resource_alias}`\n\n"
f"- {t(lang, 'before')}: `{row.before_state.value}` {('· `' + row.before_event_id + '`') if row.before_event_id else ''}\n"
f"- {t(lang, 'after')}: `{row.after_state.value}` {('· `' + (row.after_event_id or row.event_id) + '`') if row.after_state.value == 'known' else ''}\n"
f"- {t(lang, 'state_note')}\n"
f"- {t(lang, 'approval')}: `{row.approval_status.value}` · ticket `{row.change_ticket or '—'}`"
)
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