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c30abe9 f016eb7 c30abe9 f016eb7 c30abe9 f016eb7 c30abe9 f016eb7 c30abe9 f016eb7 c30abe9 f016eb7 c30abe9 | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 | """Multimodal NPC communication channels.
Provides ChatChannel, VoiceChannel, and DocumentChannel for NPC
interactions beyond simple email. All channel activity is logged
for SIEM consumption by the Blue team.
"""
from __future__ import annotations
import time
from enum import Enum
from typing import Any
from pydantic import BaseModel, Field
from open_range.protocols import NPCPersona
class NPCChannel(str, Enum):
"""Supported NPC communication channel types."""
EMAIL = "email"
CHAT = "chat"
VOICE = "voice"
DOCUMENT = "document"
# ---------------------------------------------------------------------------
# Chat Channel
# ---------------------------------------------------------------------------
class ChatMessage(BaseModel):
"""A single chat message in the internal messaging system."""
sender: str
recipient: str
content: str
timestamp: float = Field(default_factory=time.time)
channel: str = "general"
class ChatChannel:
"""Internal messaging/chat system for NPC communication.
NPCs can send and receive messages. All traffic is logged for
Blue team SIEM consumption.
"""
def __init__(self) -> None:
self._messages: list[ChatMessage] = []
def send_message(
self,
sender: str,
recipient: str,
content: str,
channel: str = "general",
) -> ChatMessage:
"""Queue a chat message from sender to recipient."""
msg = ChatMessage(
sender=sender,
recipient=recipient,
content=content,
channel=channel,
)
self._messages.append(msg)
return msg
def get_messages(self, user: str) -> list[ChatMessage]:
"""Get all messages for a given user (as recipient)."""
return [m for m in self._messages if m.recipient == user]
def get_channel_log(self) -> list[dict[str, Any]]:
"""Return all messages as dicts for Blue team SIEM integration."""
return [
{
"type": "chat",
"label": "benign",
"sender": m.sender,
"recipient": m.recipient,
"content": m.content,
"timestamp": m.timestamp,
"channel": m.channel,
"source": f"chat:{m.channel}",
}
for m in self._messages
]
def clear(self) -> None:
"""Clear all messages."""
self._messages.clear()
# ---------------------------------------------------------------------------
# Voice Channel
# ---------------------------------------------------------------------------
class VoiceTranscript(BaseModel):
"""Transcript of a voice/phone call between two parties."""
caller: str
callee: str
pretext: str
response_action: str = "ignore"
transcript: list[dict[str, str]] = Field(default_factory=list)
timestamp: float = Field(default_factory=time.time)
duration_s: float = 0.0
class VoiceChannel:
"""Phone/voice call simulation (text-based transcript).
Supports social engineering scenarios where Red might attempt
vishing attacks against NPC employees.
"""
def __init__(self) -> None:
self._calls: list[VoiceTranscript] = []
def initiate_call(
self,
caller: str,
callee: str,
pretext: str,
) -> VoiceTranscript:
"""Start a voice interaction with a pretext.
Returns a VoiceTranscript with the initial caller entry.
"""
transcript = VoiceTranscript(
caller=caller,
callee=callee,
pretext=pretext,
transcript=[{"speaker": caller, "text": pretext}],
)
self._calls.append(transcript)
return transcript
def respond(
self,
callee_persona: NPCPersona,
call: VoiceTranscript,
) -> VoiceTranscript:
"""NPC decides how to respond to a voice call based on persona.
Uses rule-based heuristics (susceptibility scores) to decide.
Returns the updated transcript.
"""
susceptibility = callee_persona.susceptibility.get("vishing", 0.5)
if callee_persona.security_awareness > 0.7:
response_text = (
"I need to verify your identity before providing any information. "
"Let me transfer you to the security team."
)
action = "report_to_IT"
elif susceptibility > 0.6:
response_text = (
"Sure, I can help with that. What information do you need?"
)
action = "comply"
elif susceptibility > 0.3:
response_text = (
"I'm not sure about that. Can you send me an email instead?"
)
action = "deflect"
else:
response_text = (
"I don't feel comfortable sharing that over the phone. "
"Please contact my manager."
)
action = "refuse"
call.transcript.append(
{"speaker": callee_persona.name, "text": response_text}
)
call.response_action = action
call.duration_s = 30.0 # simulated call duration
return call
def get_call_log(self) -> list[dict[str, Any]]:
"""Return all calls as dicts for Blue team SIEM integration."""
return [
{
"type": "voice",
"label": "benign",
"caller": c.caller,
"callee": c.callee,
"pretext": c.pretext,
"response_action": c.response_action,
"transcript": c.transcript,
"timestamp": c.timestamp,
"duration_s": c.duration_s,
"source": "voice:phone",
}
for c in self._calls
]
def clear(self) -> None:
"""Clear all call records."""
self._calls.clear()
# ---------------------------------------------------------------------------
# Document Channel
# ---------------------------------------------------------------------------
class DocumentRecord(BaseModel):
"""Record of a shared document and its access history."""
sender: str
recipient: str
filename: str
content_description: str
timestamp: float = Field(default_factory=time.time)
accessed: bool = False
access_decision: str = "" # "opened", "ignored", "reported"
class DocumentChannel:
"""Document sharing/inspection system for NPC interactions.
Tracks document sharing and access decisions for Blue team
monitoring (e.g., detecting malicious document opens).
"""
def __init__(self) -> None:
self._documents: list[DocumentRecord] = []
def share_document(
self,
sender: str,
recipient: str,
filename: str,
content_description: str,
) -> DocumentRecord:
"""Share a document with a recipient."""
doc = DocumentRecord(
sender=sender,
recipient=recipient,
filename=filename,
content_description=content_description,
)
self._documents.append(doc)
return doc
def inspect_document(
self,
persona: NPCPersona,
document: DocumentRecord,
) -> str:
"""NPC decides how to handle a received document.
Returns the decision: "opened", "ignored", or "reported".
Uses rule-based heuristics based on persona susceptibility.
"""
susceptibility = persona.susceptibility.get("attachment_opening", 0.5)
if persona.security_awareness > 0.7:
decision = "reported"
elif susceptibility > 0.6:
decision = "opened"
else:
decision = "ignored"
document.accessed = decision == "opened"
document.access_decision = decision
return decision
def get_document_log(self) -> list[dict[str, Any]]:
"""Return all document records for Blue team SIEM integration."""
return [
{
"type": "document",
"label": "benign",
"sender": d.sender,
"recipient": d.recipient,
"filename": d.filename,
"content_description": d.content_description,
"timestamp": d.timestamp,
"accessed": d.accessed,
"access_decision": d.access_decision,
"source": f"document:{d.filename}",
}
for d in self._documents
]
def clear(self) -> None:
"""Clear all document records."""
self._documents.clear()
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