Review CIDR blocks with a reaction
Use a familiar review reaction to check a whole network block when someone shares a range for the team to assess.
Trigger
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Action
Check Block
Tool to check the reputation of all ip addresses in a cidr range. use when you need aggregated abuse data for a network block.
Why this helps
A range-level check may be overlooked when it is buried among other incident follow-ups in the channel.
- Starts a range-level check from a visible Slack cue.
- Keeps the review connected to the message with the CIDR.
- Helps the team act on a network question without a separate handoff.
Setup
Build it in a few focused steps.
- 1Connect Slack and Abuselpdb to Notis once in the portal.
- 2Create an automation in the portal or ask Notis conversationally.
- 3Write one instruction for checking the CIDR range in a reacted-to message and reporting its aggregate abuse data.
- 4Select Message Reaction Added, name the team's review reaction, and choose a channel for run reports.
- 5Test by reacting to a real message containing a CIDR range.
Questions about this workflow
Can a reaction trigger be limited to one channel?
The trigger supports optional filtering by channel and emoji name.
What does the action return?
It checks aggregated abuse data for all IP addresses in the CIDR range.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Abuselpdb. A trigger fires from one place; an action lands in another.
Slack triggers
Abuselpdb actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Retrieve IP Blacklist
Tool to retrieve a list of the most reported ip addresses. use when building dynamic blocklists or threat intelligence feeds.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Bulk Report
Tool to submit multiple ip abuse reports in bulk. use when you need to report a large set of ips at once by uploading a csv file with required headers. csv must include columns: ip, categories, reportdate, comment.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Check Block
Tool to check the reputation of all ip addresses in a cidr range. use when you need aggregated abuse data for a network block.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Check IP Reputation
Tool to check the reputation of an ip address. use when you need to determine if an ip address has been reported for abusive activity within a specified look-back period. example: checkip(ipaddress='8.8.8.8', maxageindays=90).
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Clear Address Reports
Tool to remove all reports associated with a specific ip address. use when you need to purge your own abuse records after verifying control of the ip.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Get Abuse Reports
Tool to retrieve a list of abuse reports for a specific ip address. use when you need to fetch historic reports with optional filtering by status, date range, reporter, and pagination.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
Connect any two apps with Notis in the middle.
Slack and Abuselpdb, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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