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How To Get Streaming Data From Twitter
1/17/2018 01:50:21
I occasionally receive requests to share my Twitter analysis tools. After a few recent requests, it finally occurred to me that it would make sense to create a series of articles that describe how to use Python and the Twitter API to perform basic analytical tasks. Teach a man to fish, and all that. In […]
Further Analysis Of The Finnish Themed Twitter Botnet
1/12/2018 02:52:31
In a blog post I published yesterday, I detailed the methodology I have been using to discover “Finnish themed” Twitter accounts that are most likely being programmatically created. In my previous post, I called them “bots”, but for the sake of clarity, let’s refer to them as “suspicious accounts”. These suspicious accounts all follow a […]
Someone Is Building A Finnish-Themed Twitter Botnet
1/11/2018 04:27:01
Finland will hold a presidential election on the 28th January 2018. Campaigning just started, and candidates are being regularly interviewed by the press and on the TV. In a recent interview, one of the presidential candidates, Pekka Haavisto, mentioned that both his Twitter account, and the account of the current Finnish president, Sauli Niinistö had […]
Some Notes On Meltdown And Spectre
1/9/2018 03:46:52
The recently disclosed Meltdown and Spectre vulnerabilities can be viewed as privilege escalation attacks that allow an attacker to read data from memory locations that aren’t meant to be accessible. Neither of these vulnerabilities allow for code execution. However, exploits based on these vulnerabilities could allow an adversary to obtain sensitive information from memory (such […]
Don’t Let An Auto-Elevating Bot Spoil Your Christmas
12/18/2017 04:48:43
Ho ho ho! Christmas is coming, and for many people it’s time to do some online shopping. Authors of banking Trojans are well aware of this yearly phenomenon, so it shouldn’t come as a surprise that some of them have been hard at work preparing some nasty surprises for this shopping season. And that’s exactly […]
Necurs’ Business Is Booming In A New Partnership With Scarab Ransomware
11/23/2017 03:16:52
Necurs’ spam botnet business is doing well as it is seemingly acquiring new customers. The Necurs botnet is the biggest deliverer of spam with 5 to 6 million infected hosts online monthly, and is responsible for the biggest single malware spam campaigns. Its service model provides the whole infection chain: from spam emails with malicious […]
RickRolled by none other than IoTReaper
11/3/2017 01:39:20
IoT_Reaper overview IoT_Reaper, or the Reaper in short, is a Linux bot targeting embedded devices like webcams and home router boxes. Reaper is somewhat loosely based on the Mirai source code, but instead of using a set of admin credentials, the Reaper tries to exploit device HTTP control interfaces. It uses a range of vulnerabilities […]
Facebook Phishing Targeted iOS and Android Users from Germany, Sweden and Finland
10/30/2017 07:19:40
Two weeks ago, a co-worker received a message in Facebook Messenger from his friend. Based on the message, it seemed that the sender was telling the recipient that he was part of a video in order to lure him into clicking it. The shortened link was initially redirecting to Youtube.com, but was later on changed […]
The big difference with Bad Rabbit
10/27/2017 08:41:00
Bad Rabbit is the new bunny on the ransomware scene. While the security community has concentrated mainly on the similarities between Bad Rabbit and EternalPetya, there’s one notable difference which has not yet gotten too much attention. The difference is that Bad Rabbit’s disk encryption works. EternalPetya re-used the custom disk encryption method from the […]
Following The Bad Rabbit
10/26/2017 04:43:41
On October 24th, media outlets reported on an outbreak of ransomware affecting various organizations in Eastern Europe, mainly in Russia and Ukraine. Identified as “Bad Rabbit”, initial reports about the ransomware drew comparisons with the WannaCry and NotPetya (EternalPetya) attacks from earlier this year. Though F-Secure hasn’t yet received any reports of infections from our […]
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