People are increasingly aware of how their data is accessed and used, whether this is the security of their private conversations, their online browsing history, or even Personal Identifiable Information (PII). With this increase in consciousness for data privacy, chat applications have had to promise better encryption and anonymity if they are to compete.
As such, over the last few years new chat apps, with a primary USP of better privacy have hit the market. This includes the likes of Telegram and Discord. The anonymity and data security offered by these apps have quickly made them popular with both legitimate users and criminals. On Telegram, you don’t have to look too hard to uncover conversations around the sale of illicit goods, examples of extremist views and hate speech, the trading of PII, and more. It’s also worth noting that many marketplaces and forums on the dark web also have chat groups on Telegram.
Many of the groups and channels on apps like Telegram are open to the public, allowing users to easily reach a large potential market relatively risk-free. Not all groups though are open to the public making it substantially harder for security professionals and law enforcement to monitor these channels successfully.
However, with a tool like Signal, you can view and monitor data from many of these closed communities and hard to access groups easily and efficiently.
About Telegram
Telegram is a messaging app that was launched in 2013. It focuses on supplying a fast, free and above all, secure messaging service. The chat app has end-to-end encryption and several other features which add to it’s perceived security. These features include “secret chats” which store data locally, a timer on messages to self-destruct after a specified time, notifications of screenshots, and messages in secret chats can’t be forwarded. Their main USP is to provide a service where data is protected from thirds parties, including any curious government or security agencies.
Unlike other chat apps, Telegram promotes itself as providing its users with full anonymity, including the ability to set up a unique username and make your phone number to private. It’s because of these security features as well as the offered anonymity that the application quickly became a popular choice for criminal communications.
How Can You Leverage Data from Telegram for OSINT?
There are various channels and groups on the Telegram app in which illicit and criminal activity is discussed or undertaken. This ranges from the sale of illegal goods, stolen data, to planning physical attacks on an organization or individual.
For example, on the group “Carders” on Telegram, a group which has over 5,000 members you can find stolen credit card details including full numbers and CVV codes. This chat group is linked to an online shop getbette.biz (which was taken down in early 2020). Most of the conversations in this group revolve around some form of financial fraud, whether that’s leaked card details or the sale of PII.
On other Telegram groups, you can find details for hacked personal accounts like Netflix, Disney Plus, Amazon Prime etc. These logins might be sold for a variety of reasons, such as credential stuffing, or for personal use.
It’s not just dealing in illegally obtained data though. Telegram is used for a broad variety of purposes. A particularly popular one is the sale of drugs. Narcotic Express DE is one such group. With close to 1,000 members, this German group is a closed group which focuses on the purchasing, sale and distribution of drugs.
Closed groups cannot be found in a search within the app or in the dedicated Telegram search engine, instead, you have to be invited and sent a link by another user in the group. In addition, users can only see posts, not post themselves into the group.
Other examples of leveraging Telegram as a data source include monitoring for:
Hate speech and death threats,
Hacking services for sale,
Exploit kits,
Data breaches,
Hate groups.
Using Telegram as an OSINT Source
As outlined above, are plenty of conversations of interest that happen through the Telegram app and its various groups. These groups can offer insight into criminal activity and better enable organizations to protect their assets and staff from emerging threats. For example, you might find information on a recent data breach through the app. Having this early knowledge of the breach is essential for mitigating costs.
However, as with any potential data source, it’s not a case of simply downloading the app. Efficiently scanning and monitoring the platform for potentially relevant or information of interest requires the right tools.
First, groups like Narcotic Express DE are closed groups, meaning locating and gaining access to them is a challenge in itself. Secondly, with features such as message self-destruct constant surveillance is necessary. These challenges mean time and resource need to be devoted to this specific channel, time and resource that might be better spent elsewhere.
Using an OSINT tool gives users the ability to access and utilize hard to reach data sources like Telegram. Data from Telegram is gathered by our data provider Webhose, who scrape the publicly available data from both open and harder to access closed groups continuously. Signal users can set up searches with Boolean logic, selecting Telegram as one of the data source options available.
