Commit graph

73 commits

Author SHA1 Message Date
Simone Mainardi
7d7e84a7a9 Reworks implementation of {DNS,HTTP}RepliesRequestsRatio 2021-04-08 10:02:47 +02:00
Simone Mainardi
b12fc91a6b Merge branch 'host-user-scripts' into dev 2021-04-03 10:18:09 +02:00
Luca
a4047c5a1c Implements flow callbacks and alerts in C++
Scaffolding code of the host scripts

Scaffolding code for host alerts

Adds host_callbacks/ for .cpp files

Implements all classes for host callbacks

Removes pro/enterprise host callbacks

Adds typedefs with callback deltas

Compilation fix

Creates instances of host callbacks in loader

Link fix

Removes redundant/non-necessary host alerts

Merges Scan and Flood callbacks together

Removes outdated API files

Refactors alert keys into entity|id

Refactors all flow alert_{...} into flow_alert_{...}

Refactors C++ flow alert_{...} into flow_alert_{...}

Reworks alert ids to include an entity type

Cleanup and merge alertTypeRaw with getAlertType

Minor fix

Refactors alert definitions and keys into sub directories

Implement host alert callback execution and trigger/release logic

Update callbacks API

Adds base CallbacksLoader for {Host,Flow}CallbacksLoader

Implements load of host user scripts with periodicities

Implements runtime reload of host callbacks

Add logic for periodic callbacks

Add 'expired' flag to host alerts

Implements execution of host callbacks and SYN flood checks

Adds triggerAlertAsync calls to SYNFlood

Implements JSON host alert generation info

Handle callback getPeriod. Optimize callback lookup.

Implements host recipients in C++

Add callback status

Define destructor

Iterator fixes

Cleanup host Lua calls (now performed in C++)

Changes to show new host alerts in SQLite

Adds release/engage action on alert JSON

Move AlertableEntity to OtherAlertableEntity, inheriting from a new AlertableEntity. Add HostAlertableEntity.

Implements SYN Flood Attacker with params

Uses parametrized thresholds to trigger syn flood alerts

Implements build alert of both attacker and victim

Implement HostAlertableEntity

Implements SYN scan attacker/victim alerts

Implements flow flood attacker/victim alerts

Removes a debug flag

Add virtual allocStatus

Add HostAlert disableAutoRelease()

Add Ãexplicit releaseAlert()

Implements SYNFloodHostCallbackStatus

Implements SYNScanHostCallbackStatus

Implements FlowFloodHostCallbackStatus

Change trigger API to handle cli/src score

Implements {DNS,SMTP,NTP}ServerContactsAlert

Reworks ServerContacts host alerts

Implement exclusion bitmaps for host alerts

Implements {SMTP,DNS,NTP}ServerContactsAlert

Adds host_info to the generated alert JSON

Minor cleanup

Optimize access to callback status

Move RepliesRequestsRatio to pro

Rework triggerAlert on host to avoid multiple call and unneeded status data

Compilation fix

Reworked host alerts API (wip)

Cleanup unused host callbacks

Compilation fixes

Finishes backend implementation of host alerts exclusions

Rework host callbacks executor

Implements disable of host alerts

Port SYNFlood to the new api

Cleanup

Reduce duplicated code

Comments

Port ServerContacts to the new api

Clenaup

Adds parsing of configuration for host callbacks

Port SYNScanAlert to the new API

Port FlowFlood to the new API

Cleanup unused HostAlert getName

Reworks DNSRequestsErrorsRatioAlert

Adds JSON for DNSTrafficAlert

Adds FlowsAlert

Adds P2PTrafficAlert

Add RepliesRequestsRatioAlert

Adds ScoreAlert

Adds ThroughputAlert

Adds TrafficAlert

Fixes for scan/flood alerts

DNS ratio alert support

Add HTTP stats getters

Implements deltas for many host callbacks

Host score inc

Adds missing Alert params to host alerts

Release all host alerts on idle

Refactors score classes

Implements class Score to contain scores for hosts, flows, etc

Adds scores to VLANs, Networks, ASes and Countries

Host callbacks can trigger a single alert now

FlowFlood, SYNFloo, SYNScan now inherit from FlowHits

Move severity and score to constructor

Add else branch to hits callbacks

Alert definition update for flows_flood, syn_flood, syn_scan

Update field name

Engaged alert init

Adds score incs/decs for AS, VLAN, country, os and network

Restore network scripts

Restored other alert definitions for floods

Handle decreasing alert score

Removes include

Rename flows_flood to flow_flood for consistency

Restored alert_tcp_syn_flood_victim alert_tcp_syn_scan_victim definitions

Fixes for non-host engaged/release alerts

Cleanup LuaEngineFlow and LuaEngineHost classes

Fixes old calls to host lua during shutdown

Removes AlertCheckLuaEngine instance

Fixes purging of flows

Fixes alerts release upon shutdown causing wrong uses

Removes a debug flag

Fix getNumEngagedAlerts

Cleanup unnecessary host callbacks

Removes array of callback statuses inside host

Bitmap fixes

Refactors Bitmap into Bitmap128

Implements 16-bits bitmaps for host alerts

Adds class HostCallbacksStatus

Moves callback status p2p and DNS inside HostCallbacksStatus

Removes unused callbacks in typedefs

Minor cleanup

Adds trigger/release for DNS/p2p alerts

Reworks UI of hosts user scripts

Rename HostCallbackType to HostCallbackID, getType to getID, others
2021-04-03 09:53:15 +02:00
Matteo Biscosi
99b9b43cb5 Reviewed no data exchanged alert description 2021-03-30 16:02:32 +02:00
Matteo Biscosi
1cd7c288e2 Implements trigger alert for TCP flows with no data exchanged
Implements #2801
2021-03-30 15:59:40 +02:00
Simone Mainardi
aea9138bfb Implements flow callbacks and alerts in C++ 2021-03-22 09:51:36 +01:00
Simone Mainardi
377ecf5c3f Fixes user script ip_reassignment.lua after configset changes 2021-03-01 19:07:30 +01:00
Alfredo Cardigliano
fa311e3ade Rework user script working sets (a single configset is supported now) 2021-03-01 15:37:45 +01:00
Simone Mainardi
ca863efc56 Fixes recipients.lua: attempt to index a nil value
Fixes #5077
2021-03-01 11:07:53 +01:00
Alfredo Cardigliano
47b3c8a969 Check low goodput for established connections (e.g. do not generate alerts for connection reset with 0 goodput) (#5068) 2021-02-26 16:39:15 +01:00
Alfredo Cardigliano
4f0ac39efe Add more protocols to be filtered (#5068) 2021-02-26 15:36:37 +01:00
Matteo Biscosi
fa5088d49b Removed useless description from some flow alert 2021-02-26 12:58:06 +01:00
Matteo Biscosi
e521ce6cdc Removed incorrect scripts from flow interfaces
This alerts shouldn't be used in flow interfaces but only in packets one because the flow interfaces doesn't have/have incorrect informations regaring these fields
2021-02-26 12:35:16 +01:00
Simone Mainardi
36e26cd0fc Cleanup old ip reassignment / remote to remote alerts code
Fixes #5038
2021-02-26 11:36:21 +01:00
Simone Mainardi
76006d6250 Fixes IP reassignment code that is now per-interface
Implements #5038
2021-02-26 11:21:04 +01:00
Matteo Biscosi
6a4c6cf30c Implements noisy low goodput alert
Implements #5068
2021-02-25 12:21:29 +01:00
Matteo Biscosi
49ae038c3f Implements #5038 cleanup IP reassigment code
Removed debug print and used setPref instead of setCache
2021-02-25 11:00:09 +01:00
Matteo Biscosi
9632c62bfa Implements cleanup IP reassignment code
Implements #5038
2021-02-19 15:36:27 +01:00
Simone Mainardi
9314f36cc5 Fixes remote to remote alerts setting nil scores 2021-02-18 10:59:36 +01:00
Simone Mainardi
f4dff6f2e7 Implements risk-based filtering of flow alerts 2021-02-16 15:25:20 +01:00
Simone Mainardi
6d651f0661 mplements layer-4 protocol as filter for flow user scripts 2021-02-12 16:25:45 +01:00
Simone Mainardi
c0ee292530 Implements l7_proto as filter for flow user scripts 2021-02-12 16:08:27 +01:00
Simone Mainardi
84ac0f4dfc Implements filtering of flow user scripts 2021-02-12 12:56:06 +01:00
Matteo Biscosi
d6d0780507 Implements add the ability to suppress specific alerts
Implements #4942
2021-02-11 17:13:07 +01:00
Matteo Biscosi
769658268f Implements add the ability to suppress specific alerts
Implements #4942

Partially implemented alerts exclusion list

Added User Script exclusion list to settings

Implements add the ability to suppress specific alerts
Implements #4942
2021-02-10 15:35:54 +01:00
Matteo Biscosi
d3853aaf90 Implements internet resources misuse script with exception list
Implements #4984
2021-02-04 15:10:52 +01:00
Matteo Biscosi
88251ea79d Implements #4984 core Internet resources misuse script
Fixes no release by the alert
2021-02-03 15:42:14 +01:00
Simone Mainardi
63bd289bbf Fixes for contacts-based alerts 2021-02-03 15:16:41 +01:00
Simone Mainardi
12fd088bce Fixes SMTP Contacts default 2021-02-03 14:31:08 +01:00
Matteo Biscosi
eba1aaa359 Implements #4984 core Internet resources misuse script 2021-02-03 12:41:18 +01:00
Alfredo Cardigliano
570bce94f7 Add missing default values. Format bytes with the proper unit. 2021-02-02 16:38:31 +01:00
Simone Mainardi
4f717649e1 Removes multiple score increases for TCP zero window alerts
Fixes #4993
2021-02-02 10:34:37 +01:00
Simone Mainardi
38d31a474a Makes multiple score increments status-dependent
Implements #4993
2021-01-30 12:45:04 +01:00
Matteo Biscosi
76765da78b Implements #4984 core Internet resources misuse script 2021-01-29 18:15:06 +01:00
Matteo Biscosi
10fb8bbecc Implements #4919 custom alert severity 2021-01-27 12:29:19 +01:00
Matteo Biscosi
8a232fec62 Fixed #4914 Alert/Error In home system screen 2021-01-14 16:50:22 +01:00
Luca Deri
a1178a0791 Updated (C) 2021-01-02 12:08:23 +01:00
Simone Mainardi
c1bdfb8722 Unifies flow_keys and status_keys 2020-12-22 19:14:16 +01:00
Simone Mainardi
f839b6ba76 Removes flow_consts requires no longer necessary 2020-12-22 18:06:50 +01:00
Matteo Biscosi
bcf2c2c1ed Migrates alerts to an object-oriented implementation 2020-12-22 14:48:00 +01:00
matteo
e24ef4ef35 Revert "Migrates alerts to an object-oriented implementation"
This reverts commit fbc283f12f.
2020-12-22 13:13:57 +01:00
matteo
fbc283f12f Migrates alerts to an object-oriented implementation 2020-12-22 13:00:25 +01:00
Simone Mainardi
dbd325429b Fixes TCP connection issues alert 2020-12-02 10:22:53 +01:00
Simone Mainardi
b3dc39c641 Refactors alert_severities into an independend Lua module 2020-11-30 15:28:17 +01:00
Simone Mainardi
6898a136f6 Fixes label for zero tcp window 2020-11-17 17:37:05 +01:00
Simone Mainardi
658b48994d Fixes and cleanup for low goodput user script 2020-11-17 17:33:52 +01:00
Luca Deri
a7518905a4 No longer necessary 2020-11-16 12:42:07 +01:00
Matteo Biscosi
a8cf3836d7
Fixes #4709 unexpected new device plugin (#4728)
* Added unexpected new device plugin, needs review

* Fixes #4709 unexpected new device plugin

Co-authored-by: matteo <biscosi@ntop.org>
2020-11-16 12:41:19 +01:00
Luca Deri
d94920d858 Typo 2020-11-14 01:11:52 +01:00
Luca Deri
7485843a7c Updated low goodput description 2020-11-14 00:28:13 +01:00