Tag: Sigma

MULTI#STORM Attack Detection: A New Phishing Campaign Spreading Multiple Remote Access Trojans and Targeting U.S. and India
MULTI#STORM Attack Detection: A New Phishing Campaign Spreading Multiple Remote Access Trojans and Targeting U.S. and India

Cybersecurity researchers warn defenders of yet another phishing campaign dubbed MULTI#STORM, in which hackers abuse JavaScript files to drop RAT malware onto the targeted systems. The MULTI#STORM attack chain contains multiple stages with the final one spreading Quasar RAT and Warzone RAT samples. According to the investigation, in this campaign threat actors have set eyes […]

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Microsoft Outlook Vulnerability CVE-2023-23397 Detection
Microsoft Outlook Vulnerability CVE-2023-23397 Detection

CVE-2023-23397 is a critical elevation of privilege (EoP) vulnerability in Microsoft Outlook with a CVSS base score of 9.8. It was first disclosed on March 14, 2023, and attributed to APT28, also known as Fancy Bear or Strontium – a threat actor associated with the Russian General Staff Main Intelligence Directorate (GRU). The vulnerability is […]

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CVE-2020-35730, CVE-2021-44026, CVE-2020-12641 Exploit Detection: APT28 Group Abuses Roundcube Flaws In Spearphishing Espionage Attacks
CVE-2020-35730, CVE-2021-44026, CVE-2020-12641 Exploit Detection: APT28 Group Abuses Roundcube Flaws In Spearphishing Espionage Attacks

With the ongoing russian cyber offensive operations targeting Ukraine and its allies, the aggressor is continuously launching cyber-espionage campaigns against state bodies and other organizations representing critical infrastructure. Less than a week after CERT-UA researchers warned of a spike in cyber-espionage attacks by russia-linked Shuckworm group, another nefarious hacking group comes back to the scene.  […]

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PicassoLoader and Cobalt Strike Beacon Detection: UAC-0057 aka GhostWriter Hacking Group Attacks the Ukrainian Leading Military Educational Institution
PicassoLoader and Cobalt Strike Beacon Detection: UAC-0057 aka GhostWriter Hacking Group Attacks the Ukrainian Leading Military Educational Institution

On June 16, 2023, CERT-UA researchers issued a new alert covering the recently discovered malicious activity targeting the National Defense University of Ukraine, named after Ivan Cherniakhovskyi, the country’s leading military educational institution. In this ongoing campaign, threat actors spread PicassoLoader and Cobalt Strike Beacon on the compromised systems via a malicious file containing a […]

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Shuckworm Espionage Group Attack Detection: russia-backed Threat Actors Repeatedly Attack Ukrainian Military, Security, and Government Organizations
Shuckworm Espionage Group Attack Detection: russia-backed Threat Actors Repeatedly Attack Ukrainian Military, Security, and Government Organizations

Since russia’s full-scale invasion of Ukraine, the aggressor’s offensive forces have launched an avalanche of cyber-espionage campaigns against Ukraine and its allies, mainly targeting government agencies and frequently leveraging the phishing attack vector. The infamous hacking collective dubbed Shuckworm (Armageddon, Gamaredon), which is known to have links with russia’s FSB, has been observed behind a […]

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Cadet Blizzard’s Activity Detection: Novel russia-Linked Nation-Backed Threat Actor Tracked as DEV-0586 Comes to the Scene
Cadet Blizzard’s Activity Detection: Novel russia-Linked Nation-Backed Threat Actor Tracked as DEV-0586 Comes to the Scene

Since the outbreak of russia’s full-scale invasion of Ukraine, the aggressor has been targeting multiple cyber attacks against Ukraine and its allies, with a growing number of state-sponsored hacking collectives emerging and resurfacing in the cyber threat arena. During the conflict, russia’s offensive forces have launched over 2,100 attacks with disparate levels of sophistication and […]

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Interview with Threat Bounty Developer – Mehmet Kadir CIRIK
Interview with Threat Bounty Developer – Mehmet Kadir CIRIK

As we continue to tell about our keen members of SOC Prime’s Threat Bounty community sharing stories about their professional growth and extending their expertise to developing rules contributing to global cyber defense, today we introduce Mehmet Kadir CIRIK, who joined the program in January 2023 and has been actively contributing his detections since then. […]

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Interview with Threat Bounty Developer – Aung Kyaw Min Naing
Interview with Threat Bounty Developer – Aung Kyaw Min Naing

It has already become a good tradition in SOC Prime when Threat Bounty members share stories about their professional paths and their experience and achievements with Threat Bounty. Today we are here with Aung Kyaw Min Naing, who joined the program in June 2022 and has already proven himself as an active contributor to the […]

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SOC Prime Threat Bounty — May 2023 Results
SOC Prime Threat Bounty — May 2023 Results

Threat Bounty Publications In May, members of the Threat Bounty community submitted 426 rules for a chance of publication to the SOC Prime Platform for monetization. After consideration and validation by SOC Prime’s team, 81 detections were successfully published. Explore Detections We are happy to report that the information provided during the Threat Bounty Developer […]

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UAC-0099 Activity Detection: Hackers Conduct Cyber-Espionage Operations Against Ukrainian State Bodies and Media Organizations
UAC-0099 Activity Detection: Hackers Conduct Cyber-Espionage Operations Against Ukrainian State Bodies and Media Organizations

Just a couple of weeks ago, CERT-UA raised awareness among the global cyber defender community about an ongoing cyber-espionage campaign targeting Ukraine and organizations in Central Asia linked to the UAC-0063 group. In early June, CERT-UA researchers issued another alert covering the long-term cyber-espionage activity mainly exploiting the email attack vector and targeting Ukrainian government […]

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