Phoenix Studio
Convert indexed Sigma rules into analyst-ready detections.
This studio is built around Phoenix's own rule corpus, not a blank editor. Search by title or rule id, choose a local pySigma backend, then reveal pipelines only when you actually need them.
Indexed Rules
3,731
Ready to search
Backends
17
Loaded from pysigma-node
pySigma Versions
10
Newest: 1.3.3
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
Telegram API Access
Target Profile
Splunk
Splunk through pysigma-backend-splunk.
Format Mode
Default
Default pySigma output mode for this backend.
Conversion Output
Telegram API Access
Using Splunk · Default · pySigma 1.3.3
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion1.3.3
title: Telegram API Access
id: b494b165-6634-483d-8c47-2026a6c52372
status: test
description: Detects suspicious requests to Telegram API without the usual Telegram User-Agent
references:
- https://researchcenter.paloaltonetworks.com/2018/03/unit42-telerat-another-android-trojan-leveraging-telegrams-bot-api-to-target-iranian-users/
- https://blog.malwarebytes.com/threat-analysis/2016/11/telecrypt-the-ransomware-abusing-telegram-api-defeated/
- https://www.welivesecurity.com/2016/12/13/rise-telebots-analyzing-disruptive-killdisk-attacks/
author: Florian Roth (Nextron Systems)
date: 2018-06-05
modified: 2023-05-18
tags:
- attack.defense-evasion
- attack.command-and-control
- attack.t1071.001
- attack.t1102.002
logsource:
category: proxy
detection:
selection:
cs-host: 'api.telegram.org' # Often used by Bots
filter:
c-useragent|contains:
# Used https://core.telegram.org/bots/samples for this list
- 'Telegram'
- 'Bot'
condition: selection and not filter
falsepositives:
- Legitimate use of Telegram bots in the company
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/web/proxy_generic/proxy_telegram_api.yml