techy Profile picture
24 Nov, 11 tweets, 7 min read
(THREAD): Did you find a #phishing page or a piece of #malware using @telegram for exfil? Here are some useful techniques to grab additional intel on these artifacts. @JCyberSec_ @sysgoblin @dave_daves @PhishKitTracker @urlscanio @nullcookies @ninoseki
1/9 Look for any strings or traffic that call out to api.telegram.org . If you see something like: 'api.telegram[.]org/bot12345:base64key/endpoint?chat_id=-12345', you're in business
3/9 Get chat permissions core.telegram.org/bots/api#getch…
4/9 Get the admins of the exfil chat core.telegram.org/bots/api#getch…
5/9 If the bot is an administrator.. why not generate a chat link? core.telegram.org/bots/api#expor…
6/9 Be mean about it. Make the bot leave the chat and disrupt some ops.. core.telegram.org/bots/api#leave…
7/9 Or grab some commands for further pivoting.. core.telegram.org/bots/api#getmy…
8/9 And the really interesting one, although I've had mixed results. Set a webhook on the bot! If the actor has not-so-great opsec on the bot, you can get messages and people interacting with the bot sent to your own webhook! core.telegram.org/bots/api#setwe…
9/9 Thats all I got. Happy hunting!
If you have a #phishing page or #phishingkit and need help analyzing, shoot me a tweet or a DM. Have some great open source stuff coming through the pipe to reverse engineer kits.

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More from @teachemtechy

22 May
1/13 Nothing can absolutely go wrong with privacy or people abusing this.. Oh wait. Lets do some OSINT. Maybe we can uncover some stuff for Maryland to show how unsolicited phone calls/mails/texts can be made more legit if you just were more.. official.
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