Tag: Sigma

Detection Content: Hancitor Trojan
Detection Content: Hancitor Trojan

Today’s post is about fresh versions of Hancitor trojan and a couple of rules released by Threat Bounty Program participants which enables security solutions to detect them. Hancitor Trojan (Evasion Technique) community rule by Emir Erdogan: https://tdm.socprime.com/tdm/info/GwJ4Y7k7tzaz/1rBKXHMBSh4W_EKGF2on/?p=1 Hancitor infection with Ursnif exclusive rule by Osman Demir: https://tdm.socprime.com/tdm/info/DXrFgt0kTBg1/Z9TBUXMBPeJ4_8xc-IFm/ This malware appeared in 2013 and at the […]

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Detection Content: GoldenHelper Behavior
Detection Content: GoldenHelper Behavior

This week we will not highlight any rule in the “Rule of the Week” section, because the hottest rules have already been published in yesterday’s special digest dedicated to the rules that detect exploitation of a critical vulnerability in Windows DNS Servers, CVE-2020-1350 (aka SIGRed). Today’s publication is dedicated to the detection of GoldenHelper malware […]

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CVE-2020-1350 (SIGRed) Exploitation Detection with Threat Hunting Rules
CVE-2020-1350 (SIGRed) Exploitation Detection with Threat Hunting Rules

Today we introduce a special digest of content that helps to detect exploitation of a critical vulnerability in Windows DNS Servers. The vulnerability became known only two days ago, but since then, both the SOC Prime team (represented by Nate Guagenty) and the Threat Bounty Program participants have published 10+ rules for detecting various ways […]

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Threat Hunting Content: SamoRAT Behavior
Threat Hunting Content: SamoRAT Behavior

Today in the Threat Hunting Content section, we want to pay attention to the community rule released in Threat Detection Marketplace by Ariel Millahuel that detects fresh samples of SamoRAT malware: https://tdm.socprime.com/tdm/info/38LTISI1kgNm/w6aTR3MBQAH5UgbBM9Gi/?p=1 This remote access trojan appeared on the radars of researchers recently, the first SamoRAT samples were discovered about a month ago. The trojan […]

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Detection Content: Phorpiex Trojan
Detection Content: Phorpiex Trojan

In one of our Threat Hunting Content blog posts, we already observed a rule to detect Avaddon ransomware, a new Ransomware-as-a-Service variant that was first spotted in early June. One of the most active distributors of Avaddon ransomware is Phorpiex botnet, which recently recovered from losses incurred earlier this year. Infected systems can send tens […]

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Rule of the Week: Evasive DLL Loading / AWL Bypass
Rule of the Week: Evasive DLL Loading / AWL Bypass

Today, “Possible Evasive DLL Loading / AWL Bypass (via cmdline)” rule released by the SOC Prime team fell into our column “Rule of the Week“: https://tdm.socprime.com/tdm/info/WWzSUxrG5vxv/ASH-E3IBjwDfaYjKRX9L/?p=1 As you know, application whitelisting (AWL) is a proactive approach that allows only pre-approved and specified programs to run. Any other program not whitelisted is blocked by default, so […]

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Threat Hunting Content: CertReq.exe Lolbin
Threat Hunting Content: CertReq.exe Lolbin

Living off the Land binaries (Lolbins) are legitimate binaries that advanced adversaries often misuse to perform actions beyond their original purpose. Cybercriminals actively use them to download malware, to ensure persistence, for data exfiltration, for lateral movement, and more. Just yesterday we wrote about a rule that detects attacks of the Evil Corp group, which […]

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Detection Content: WastedLocker Ransomware
Detection Content: WastedLocker Ransomware

The new WastedLocker ransomware was first spotted in May 2020. It was developed by the high-profile Evil Corp group, which previously used the Dridex trojan to deploy BitPaymer ransomware in attacks targeting government organizations and enterprises in the United States and Europe. Last year, part of the attackers left the group and started their own […]

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Threat Hunting Content: DropboxAES RAT Detection
Threat Hunting Content: DropboxAES RAT Detection

Today we want to tell you about the DropboxAES trojan used by the APT31 group in cyber espionage campaigns and also give a link to the Community Sigma rule to detect this malware. In general, DropboxAES does not stand out from the rest of the remote access trojan. This is a relatively new tool in […]

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CVE-2020-5903 Vulnerabilities in F5’s BIG-IP Allow Full System Compromise
CVE-2020-5903 Vulnerabilities in F5’s BIG-IP Allow Full System Compromise

Last week, F5 Networks, one of the world’s largest provider of application delivery networking products, released a security advisory to warn their customers about a dangerous vulnerability that cybercriminals could start exploiting in the near future if it wasn’t already exploiting in the wild.  The security flaw was discovered in multi-purpose networking devices (BIP-IP) that […]

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