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CATEGORY ARCHIVES: dns-server

ThreatSTOP Free Open Source Analysis Tools Series. Part 4: Enrichments & Connecting the Dots

 

Making connections and finding new indicators is an important part of IOC analysis, and is probably the most enjoyable part as well. Blog posts and reports on new threats will usually mention the indicators seen to be used by the specific malware sample or attack vector analyzed, yet in many cases there is a larger malicious infrastructure behind them just waiting to be uncovered (and blocked!). Sometimes, a whole other malicious infrastructure can be revealed by examining IOCs related to malicious IPs and domains. There are a variety of tools out there that can help analysts investigate indicators of compromise and their infrastructure, and perform enrichment to shed light on related, malicious IOCs.

In this post, we will review some of our Security Research Team’s favorite connection and enrichment platforms.

 

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Riltok Mobile Banking Trojan Stealing Credit Card Information with Phishing Ads

Riltok is a mobile banking Trojan that uses mobile phishing pages to steal credit card information from its victims. Discovered in 2018, Riltok started out solely attacking Russian targets, yet it quickly began attacking victims in other European countries as well. The Trojan is spread via malicious SMS messages, which contain links that direct the victims to a fake website posing as a popular free ad service.

Once on the website, victims are prompted to click and download the Trojan, disguised as the ad service’s mobile app. If downloaded, Riltok connects to its C&C server to exfiltrate device data, and opens a fake Google Play screen or phishing page in a browser, requesting the victim’s bank card details.

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Getting Real (SMB) Value From Threat Intelligence

You’ve probably heard of Threat Intelligence, it's all the rage and all the cool kids are doing it… where’ve you been? Threat Intelligence, or “TI,” is everywhere and in everything, and it can be cool, but it can also be slippery and confusing and complex and a huge waste of time and resources depending on what you do (or don’t do) with it. In this post, we’re going to make a bunch of snarky statements about Threat Intelligence, and we’re going to spill the tea on how you (as a small or medium sized business) can use it and actually get some security value in return.

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