Tag: Sigma

ROKRAT Detection: Malware Adopts New Deployment Methods Relying on Large LNK Files
ROKRAT Detection: Malware Adopts New Deployment Methods Relying on Large LNK Files

Adversaries are constantly looking for novel ways to overcome security protections. After Microsoft started blocking macros for Office documents by default last year, cybercriminals adapted their deployment methods to slip through the defense. APT37 follows this major trend, using Windows shortcut (LNK) files to proceed with the ROKRAT (aka DOGCALL) campaigns successfully.  Detect ROKRAT Malware […]

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WinRAR as Cyberweapon: UAC-0165 Targets Ukrainian Public Sector with RoarBat
WinRAR as Cyberweapon: UAC-0165 Targets Ukrainian Public Sector with RoarBat

Since the outbreak of the global cyber war, state bodies of Ukraine and its allies have become targets of diverse malicious campaigns launched by multiple hacking collectives. Experts estimate a 250% surge of cyber attacks against Ukraine in 2022 and over 2,000 of them launched by russia-affiliated threat actors since the beginning of the full-fledged […]

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APT28 aka UAC-0001 Group Leverages Phishing Emails Disguised As Instructions for OS Updates Targeting Ukrainian State Bodies
APT28 aka UAC-0001 Group Leverages Phishing Emails Disguised As Instructions for OS Updates Targeting Ukrainian State Bodies

The infamous russian nation-backed hacking collective tracked as APT28 or UAC-0001, which has a history of targeted attacks against Ukrainian government agencies, reemerges in the cyber threat arena.  The latest CERT-UA#6562 alert confirms that over April 2023, the hacking collective has been leveraging the phishing attack vector to massively distribute spoofed emails among Ukrainian state […]

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CVE-2023-27524 Detection: New Vulnerability Exposes Thousands of Apache Superset Servers to RCE Attacks
CVE-2023-27524 Detection: New Vulnerability Exposes Thousands of Apache Superset Servers to RCE Attacks

The popular open-source data visualization and data exploration tool, Apache Superset, is claimed to be vulnerable to authentication bypass and remote code execution (RCE), enabling threat actors to gain administrator access to the targeted servers and further collect user credentials and compromise data. The discovered bug is an insecure default configuration flaw tracked as CVE-2023-27524, […]

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CVE-2023-27350 Exploit Detection: Critical PaperCut RCE Vulnerability Added to the CISA’s Known Exploited Vulnerabilities Catalog
CVE-2023-27350 Exploit Detection: Critical PaperCut RCE Vulnerability Added to the CISA’s Known Exploited Vulnerabilities Catalog

PaperCut has recently reported that the company’s application servers are vulnerable to a critical RCE flaw known as CVE-2023-27350, with a CVSS of 9.8. As a response to a growing number of exploitation attempts, CISA added the discovered bug to its Known Exploited Vulnerabilities (KEV) catalog.  Detect CVE-2023-27350 Exploitation Attempts Proactive detection of vulnerability exploitation […]

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Domino Malware Detection: Ex-Conti and FIN7 Threat Actors Collaborate to Spread a New Backdoor
Domino Malware Detection: Ex-Conti and FIN7 Threat Actors Collaborate to Spread a New Backdoor

Cybersecurity researchers have uncovered a new malware family called Domino attributed to the adversary activity of the financially motivated russia-backed FIN7 APT group. Cyber defenders also link the use of Domino with another former hacking group known as Trickbot aka Conti, which has been applied in the malicious campaign by the latter threat actors since […]

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GuLoader Detection: Malware Targets U.S. Financial Organizations via Phishing Emails
GuLoader Detection: Malware Targets U.S. Financial Organizations via Phishing Emails

With the tax season in full swing, threat actors are setting eyes on financial organizations. According to the latest cybersecurity reports, U.S. accounting firms and other financial institutions have fallen prey to a series of adversary campaigns spreading GuLoader malware since March 2022. Threat actors spread the GuLoader malicious samples by leveraging a phishing attack […]

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Detect CVE-2023-28252 & CVE-2023-21554 Exploitation Attempts: Windows Zero-Day Actively Used in Ransomware Attacks and a Critical RCE Flaw
Detect CVE-2023-28252 & CVE-2023-21554 Exploitation Attempts: Windows Zero-Day Actively Used in Ransomware Attacks and a Critical RCE Flaw

With a growing number of zero-day flaws affecting widely used software products, proactive detection of vulnerability exploitation has been among the most prevalent security use cases since 2021.  Microsoft has recently issued a series of security updates relevant to critical flaws affecting its products, including a patch for a zero-day actively exploited in the wild […]

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SOC Prime Threat Bounty —  March 2023 Results
SOC Prime Threat Bounty —  March 2023 Results

Threat Bounty Publications During March, our keen Threat Bounty content authors submitted 423 rules for verification by SOC Prime. However, all Threat Bounty detections undergo validation by our internal content verification team, who examine the rules one by one and make decisions on content publication to the SOC Prime Platform. Notwithstanding the persistence and objection […]

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DarkCrystal RAT Malware Detection: UAC-0145 Hackers Exploit Unlicensed Microsoft Office Software as the Initial Attack Vector
DarkCrystal RAT Malware Detection: UAC-0145 Hackers Exploit Unlicensed Microsoft Office Software as the Initial Attack Vector

With a 250% surge of cyber attacks against Ukraine in 2022 and over 2,000 of them launched by russia-affiliated threat actors since the outbreak of the full-fledged war, cyber defenders are looking for ways to help Ukraine and its allies boost their cyber resilience. On April 3, 2023, CERT-UA issued a new alert covering the […]

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