Telegram Bot API Request

calendar Feb 1, 2023 · attack.command_and_control attack.t1102.002  ·
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Detects suspicious DNS queries to api.telegram.org used by Telegram Bots of any kind

Sigma rule (View on GitHub)

 1title: Telegram Bot API Request
 2id: c64c5175-5189-431b-a55e-6d9882158251
 3status: test
 4description: Detects suspicious DNS queries to api.telegram.org used by Telegram Bots of any kind
 5references:
 6    - https://core.telegram.org/bots/faq
 7    - https://researchcenter.paloaltonetworks.com/2018/03/unit42-telerat-another-android-trojan-leveraging-telegrams-bot-api-to-target-iranian-users/
 8    - https://blog.malwarebytes.com/threat-analysis/2016/11/telecrypt-the-ransomware-abusing-telegram-api-defeated/
 9    - https://www.welivesecurity.com/2016/12/13/rise-telebots-analyzing-disruptive-killdisk-attacks/
10author: Florian Roth (Nextron Systems)
11date: 2018/06/05
12modified: 2022/10/09
13tags:
14    - attack.command_and_control
15    - attack.t1102.002
16logsource:
17    category: dns
18detection:
19    selection:
20        query: 'api.telegram.org'   # Telegram Bot API Request https://core.telegram.org/bots/faq
21    condition: selection
22falsepositives:
23    - Legitimate use of Telegram bots in the company
24level: medium

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