Attackers are weaponizing an old Microsoft Office vulnerability as part of phishing campaigns to distribute a strain of malware called Agent Tesla.
The infection chains leverage decoy Excel documents attached in invoice-themed messages to trick potential targets into opening them and activate the exploitation of CVE-2017-11882 (CVSS score: 7.8), a memory corruption vulnerability in Office's
Threat hunters have unmasked the latest tricks adopted by a malware strain called GuLoader in an effort to make analysis more challenging.
"While GuLoader's core functionality hasn't changed drastically over the past few years, these constant updates in their obfuscation techniques make analyzing GuLoader a time-consuming and resource-intensive process," Elastic Security Labs
Phishing attacks are steadily becoming more sophisticated, with cybercriminals investing in new ways of deceiving victims into revealing sensitive information or installing malicious software. One of the latest trends in phishing is the use of QR codes, CAPTCHAs, and steganography. See how they are carried out and learn to detect them.
Quishing
Quishing, a phishing technique resulting from the
An unknown threat actor has been observed publishing typosquat packages to the Python Package Index (PyPI) repository for nearly six months with an aim to deliver malware capable of gaining persistence, stealing sensitive data, and accessing cryptocurrency wallets for financial gain.
The 27 packages, which masqueraded as popular legitimate Python libraries, attracted thousands of downloads,
A recently discovered cyber espionage group dubbed Worok has been found hiding malware in seemingly innocuous image files, corroborating a crucial link in the threat actor's infection chain.
Czech cybersecurity firm Avast said the purpose of the PNG files is to conceal a payload that's used to facilitate information theft.
"What is noteworthy is data collection from victims' machines using
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