Tag: Sigma

New Raindrop Malware Connected to SolarWinds Breach

The in-depth inspection of the SolarWinds breach revealed the fourth piece of malicious software connected to this historical incident. According to the infosec experts, the new threat, dubbed Raindrop, is a Cobalt Strike downloader. It was applied in the post-compromise phase of attack to enhance lateral movement across a selected number of targeted networks. Raindrop […]

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Erase of Shadow Copies Detection Rules

Many of our publications lately have been devoted to various ransomware strains, and the rules for detecting Matrix ransomware characteristics will not help to identify Ragnar Locker or Maze. The malware is constantly changing: its authors change not only the IOCs known to security researchers but also the behavior to make threat hunting content useless […]

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Phobos Ransomware Detection: SOC Content Against EKING Attacks

Phobos Ransomware represents the relatively new ransomware family based on Dharma (CrySis) that has been notorious since 2016. The first traces of Phobos were spotted less than two years ago, at the turn of 2019. SOC Prime Threat Detection Marketplace, the world’s largest platform for SOC content, offers Phobos ransomware detection scenarios among its library […]

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Interview with Developer: Roman Ranskyi

Today, we want to introduce to our readers one of the detection content authors whose name you can see on the SOC Prime Threat Detection Marketplace Leaderboards. Meet Roman Ranskyi, Threat Hunting/Content Developer Engineer at SOC Prime. Read about Threat Bounty Program  – https://my.socprime.com/tdm-developers   More interviews with Threat Bounty Program developers – https://socprime.com/tag/interview/ Roman, […]

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Zerologon Attack Detection (CVE-2020-1472)

After a very hot July, especially fruitful for critical vulnerabilities (1, 2, 3), Microsoft’s Patch Tuesday in August went relatively quiet. Yes, once again more than a hundred vulnerabilities were patched, yes, 17 flaws were rated as Critical, and Microsoft didn’t point at bugs of the “We All Doomed” level. Although back then security researchers […]

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Nanocore RAT Detection

Nanocore RAT has been used in cyberattacks for about 7 years, and there are a huge number of modifications of this trojan. Official, “semi-official” and cracked versions of this malware are sold on forums on the DarkNet, and sometimes even given away for free, so it is not surprising that the number of attacks using […]

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Recent Attacks of Lazarus APT

The Lazarus APT group is one of the few state-sponsored cyber espionage units that also handle financially motivated cybercrimes and it is the most profitable threat actor in the cryptocurrency scene which managed to steal about $2 billion. In 2017 alone, the group stole more than half a billion dollars in cryptocurrency, so their interest […]

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Transparent Tribe APT

Transparent Tribe (aka PROJECTM and MYTHIC LEOPARD) is a cyber espionage unit that is linked to the Pakistani government and has been active since at least 2013. The group has been quite active in the last four years targeting primarily Indian military and government personnel, but during the last year, they attacked more and more […]

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BLINDINGCAN RAT

Late last week, Ariel Millahuel released community threat hunting rule to detect BLINDINGCAN Remote Access Trojan that is used by North Korean state-sponsored hackers: https://tdm.socprime.com/tdm/info/pi0B7x1SzQlU/FiBkEHQBSh4W_EKGcibk/?p=1 The rule is based on a malware analysis report recently published by CISA experts. Threat actor used BLINDINGCAN RAT in a cyberespionage campaign primarily targeted at the US defense and […]

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Threat Hunting Rules: Possible C2 Connection via DoH

It’s been a year since the first malware timidly exploited DNS-over-HTTPS (DoH) to retrieve the IPs for the command-and-control infrastructure. Security researchers had already warned that this could be a serious problem and started to look for a solution that would help detect such malicious traffic. More and more malware has been switching to DoH […]

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