Sublime Security high experimental mql
Link: JavaScript obfuscation with Telegram bot integration
Detects links containing obfuscated JavaScript code with embedded Telegram bot tokens or API references, indicating potential data exfiltration or command and control infrastructure.
Detection Logic
type.inbound
and 0 < length(body.links) < 15
and length(recipients.to) == 1
and recipients.to[0].email.domain.valid
and any(body.links,
// javascript obfuscator code - https://obfuscator.io/
regex.icontains(ml.link_analysis(.).final_dom.raw,
'(?:(?:return
| function
| var
| let
| const
| parseInt)\(?\s*_0x[a-f0-9]{6}.{0,50}){5}'
)
and regex.icontains(ml.link_analysis(.).final_dom.raw,
// telegram bot token struct
'[\x22\x27][0-9]{10}:[a-z0-9_-]{20,35}[\x22\x27]',
// telegram strings
'(?:telegram(?:chatid
| BotToken)
| TELEGRAM_(?:BOT_TOKENS
| CHAT_IDS)
| api\.telegram\.org/bot
| telegramToken)'
)
) Field Validations
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