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North Korea-linked Zinc group posed as Samsung recruiters to target security firms

Security Affairs

North Korea-linked threat actors posed as Samsung recruiters in a spear-phishing campaign aimed at employees at South Korean security firms. According to the Google Threat Horizons report, the state-sponsored hackers sent fake job offers to employees at the security companies. . ” reads the Google Threat Horizons report.

Malware 124
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Vietnam-linked Bismuth APT leverages coin miners to stay under the radar

Security Affairs

In recent attacks, the kill chain starts with spear-phishing emails that were specially crafted for one specific recipient per target organization, a circumstance that suggests a deep knowledge of the targets that results from a prior reconnaissance. . ” continues the report. To deploy the coin miners, BISMUTH first dropped a .dat

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[SI-LAB] FlawedAmmyy Leveraging Undetected XLM Macros as an Infection Vehicle

Security Affairs

In February 2019, SI-LAB captured multiple samples of phishing campaigns using an Office Excel document carrying a malicious Excel 4.0 This technology is stored in the Workbook OLE stream in Excel 97-2003 format which makes it very difficult to detect and parse by antivirus (AV) engines.

Malware 84