C3-Client: refactored collectRelays
This commit is contained in:
Mariusz B. / mgeeky
parent
9a5d9d00e0
commit
6337d9418e
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@ -443,62 +443,34 @@ Gateway {num}:\t{g['name']}''')
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if config['format'] == 'json':
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printJson(relays)
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def collectRelays(args):
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def collectRelays(args, nonFatal = False):
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relays = []
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gateways = getRequest('/api/gateway')
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gateway_id = ''
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relay_id = ''
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gateway_id = None
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if hasattr(args, 'gateway_id') and args.gateway_id != None:
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if hasattr(args, 'gateway_id'):
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gateway_id = args.gateway_id
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relay_id = None
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if hasattr(args, 'relay_id') and args.relay_id != None:
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if hasattr(args, 'relay_id'):
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relay_id = args.relay_id
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if gateway_id != None:
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gatewayId = ''
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for _gateway in gateways:
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if len(gateway_id) > 0:
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if _gateway["agentId"].lower() != gateway_id.lower() and _gateway["name"].lower() != gateway_id.lower():
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continue
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for g in gateways:
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if gateway_id.lower() == g['name'].lower():
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gatewayId = g['agentId']
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break
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elif gateway_id.lower() == g['agentId'].lower():
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gatewayId = g['agentId']
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break
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gateway = getRequest(f'/api/gateway/{_gateway["agentId"]}')
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if gatewayId == '':
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Logger.err('Gateway with given Name/ID could not be found.')
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if config['format'] == 'json': print('{}')
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sys.exit(1)
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for relay in gateway['relays']:
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if len(relay_id) > 0:
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if relay["agentId"].lower() != relay_id.lower() and relay["name"].lower() != relay_id.lower():
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continue
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gateway = getRequest(f'/api/gateway/{gatewayId}')
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relays.append((gateway, relay))
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if 'relays' not in gateway.keys():
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Logger.err('Specified Gateway did not have any Relay.')
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if config['format'] == 'json': print('{}')
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sys.exit(1)
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if relay_id != None:
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for r in gateway['relays']:
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if relay_id.lower() == r['name'].lower():
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relays.append((gateway, r))
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elif relay_id.lower() == r['agentId'].lower():
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relays.append((gateway, r))
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else:
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for r in gateway['relays']:
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relays.append((gateway, r))
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else:
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for g in gateways:
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gr = getRequest(f'/api/gateway/{g["agentId"]}')
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if 'relays' in gr.keys():
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for r in gr['relays']:
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if relay_id != None:
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if relay_id.lower() == r['name'].lower():
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relays.append((g, r))
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elif relay_id.lower() == r['agentId'].lower():
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relays.append((g, r))
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else:
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relays.append((g, r))
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if len(relays) == 0 and not nonFatal:
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Logger.fatal('Could not find Relays matching filter criteria. Try changing gateway, relay criteria.')
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return relays
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@ -991,7 +963,7 @@ def shell(cmd, alternative = False, stdErrToStdout = False, surpressStderr = Fal
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return status
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def onAlarmRelay(args):
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origRelays = collectRelays(args)
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origRelays = collectRelays(args, nonFatal = True)
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lastTimestamp = 0
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origRelayIds = set()
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@ -1005,26 +977,39 @@ def onAlarmRelay(args):
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try:
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while True:
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time.sleep(2)
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currRelays = collectRelays(args)
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currRelays = collectRelays(args, nonFatal = True)
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currRelayIds = set()
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currLastTimestamp = 0
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newestRelay = None
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for gateway, relay in currRelays:
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currRelayIds.add(relay['agentId'])
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if relay['timestamp'] > currLastTimestamp:
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currLastTimestamp = relay['timestamp']
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newestRelay = relay
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if currLastTimestamp > lastTimestamp and currRelayIds != origRelayIds:
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relaysDiff = currRelayIds.difference(origRelayIds)
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if currLastTimestamp > lastTimestamp and len(relaysDiff) > 0:
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lastTimestamp = currLastTimestamp
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origRelayIds = currRelayIds
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newestRelay = None
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newestRelayGateway = None
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newestRelayId = relaysDiff.pop()
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for gateway, relay in currRelays:
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if relay['agentId'] == newestRelayId:
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newestRelay = relay
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newestRelayGateway = gateway
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break
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if newestRelay == None:
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continue
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print('[+] New Relay checked-in!')
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printFullRelay(newestRelay, len(currRelays))
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time.sleep(2)
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try:
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if args.execute != None and len(args.execute) > 0:
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for command in args.execute:
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@ -1039,7 +1024,8 @@ def onAlarmRelay(args):
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cmd = cmd.replace("<relayId>", newestRelay['agentId'])
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cmd = cmd.replace("<buildId>", newestRelay['buildId'])
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cmd = cmd.replace("<timestamp>", str(datetime.fromtimestamp(newestRelay['timestamp'])))
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cmd = cmd.replace("<gatewayId>", newestRelay['name'])
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cmd = cmd.replace("<gatewayId>", newestRelayGateway['agentId'])
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cmd = cmd.replace("<gatewayName>", newestRelayGateway['name'])
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print(f'[.] Executing command: {cmd}')
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print(shell(cmd))
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@ -1059,11 +1045,16 @@ def onAlarmRelay(args):
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"<relayId>", newestRelay['agentId'],
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"<buildId>", newestRelay['buildId'],
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"<timestamp>", datetime.fromtimestamp(newestRelay['timestamp']),
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"<gatewayId>", newestRelay['name'],
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"<gatewayId>", newestRelayGateway['agentId'],
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"<gatewayName>", newestRelayGateway['name'],
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}
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print(f'[.] Triggering a webhook: {webhook}')
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try:
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requests.post(webhook, data = data, headers = headears)
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except Exception as e:
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print(f'[-] Webhook failed: {e}')
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print('[.] Webhooks triggered.')
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@ -1745,7 +1736,7 @@ def parseArgs(argv):
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alarm_sub = alarm.add_subparsers(help = 'Alarm on what?', required = True)
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alarm_relay = alarm_sub.add_parser('relay', help = 'Trigger an alarm whenever a new Relay checks-in.')
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alarm_relay.add_argument('-e', '--execute', action='append', default=[], help = 'If new Relay checks in - execute this command. Use following placeholders in your command: <computerName>, <userName>, <domain>, <isElevated>, <osVersion>, <processId>, <relayName>, <relayId>, <buildId>, <timestamp> to customize executed command\'s parameters. Example: powershell -c "Add-Type -AssemblyName System.Speech; $synth = New-Object -TypeName System.Speech.Synthesis.SpeechSynthesizer; $synth.Speak(\'New Relay just checked-in <domain>/<userName>@<computerName>\')"')
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alarm_relay.add_argument('-e', '--execute', action='append', default=[], help = 'If new Relay checks in - execute this command. Use following placeholders in your command: <computerName>, <userName>, <domain>, <isElevated>, <osVersion>, <processId>, <relayName>, <relayId>, <buildId>, <gatewayId>, <gatewayName>, <timestamp> to customize executed command\'s parameters. Example: powershell -c "Add-Type -AssemblyName System.Speech; $synth = New-Object -TypeName System.Speech.Synthesis.SpeechSynthesizer; $synth.Speak(\'New Relay just checked-in <domain>/<userName>@<computerName>\')"')
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alarm_relay.add_argument('-x', '--webhook', action='append', default=[], help = 'Trigger a Webhook (HTTP POST request) to this URL whenever a new Relay checks-in. The request will contain JSON message with all the fields available, mentioned in --execute option.')
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alarm_relay.add_argument('-g', '--gateway-id', metavar='gateway_id', default='', help = 'ID (or Name) of the Gateway which Relays should be returned. If not given, will result all relays from all gateways.')
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alarm_relay.set_defaults(func = onAlarmRelay)
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