negativeSYS.SOURCE: The Hacker News• 2026-09-07T23:42:09+05:30

PEEP Exploits Chromium Browsers to Create Post-Compromise Backdoors for Host Command Execution

#browser security #endpoint security #malware

PEEP is a Chromium-based post-compromise toolkit that exploits Chrome and Edge browsers to create persistent backdoors, enabling host-level command execution and data exfiltration. It bypasses security measures by forging Secure Preferences and uses native messaging for extended control.

Cybersecurity researchers have disclosed details of a complex Chromium-based post-exploitation toolkit called PEEP that masquerades as a bookmarks extension for the web browser.

"Requiring prior administrative or code execution access, its installer injects the extension directly into Chrome/Edge profiles, bypassing Web Store checks and user prompts by forging Chromium's own Secure Preferences

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> CHERENKOV RADIATION: UNDERSTANDING SUPERLUMINAL PARTICLE EMISSION > NEIJUAN: A SOCIOLOGICAL CONCEPT OF INTENSIFIED COMPETITION WITHOUT COLLECTIVE BENEFIT > US DIESEL PRICES SURGE TO RECORD $6 PER GALLON AMID IRAN SUPPLY DISRUPTION > EXPLOITATION OF JFROG ARTIFACTORY VULNERABILITIES ENABLES ADMIN PRIVILEGE ESCALATION AND BACKDOOR DEPLOYMENT > CHINA-LINKED UNC3569 EXPLOITS SOGOU INPUT METHOD VULNERABILITY TO DEPLOY GRAYRABBIT BACKDOOR > PAPERCUT ADDRESSES ACTIVELY EXPLOITED VULNERABILITIES WITH NEW SECURITY RELEASES > CRITICAL ANALYSIS OF GPT-6 ASTRA'S CODING CAPABILITIES > CISCO FMC VULNERABILITIES EXPLOITED FOR CREDENTIAL THEFT AND QILIN RANSOMWARE DEPLOYMENT > OPENAI'S GPT-LIVE-1 API ENHANCES REAL-TIME LANGUAGE PROCESSING CAPABILITIES > GOOGLE UNVEILS GEMINI APP FOR WINDOWS PLATFORM> CHERENKOV RADIATION: UNDERSTANDING SUPERLUMINAL PARTICLE EMISSION > NEIJUAN: A SOCIOLOGICAL CONCEPT OF INTENSIFIED COMPETITION WITHOUT COLLECTIVE BENEFIT > US DIESEL PRICES SURGE TO RECORD $6 PER GALLON AMID IRAN SUPPLY DISRUPTION > EXPLOITATION OF JFROG ARTIFACTORY VULNERABILITIES ENABLES ADMIN PRIVILEGE ESCALATION AND BACKDOOR DEPLOYMENT > CHINA-LINKED UNC3569 EXPLOITS SOGOU INPUT METHOD VULNERABILITY TO DEPLOY GRAYRABBIT BACKDOOR > PAPERCUT ADDRESSES ACTIVELY EXPLOITED VULNERABILITIES WITH NEW SECURITY RELEASES > CRITICAL ANALYSIS OF GPT-6 ASTRA'S CODING CAPABILITIES > CISCO FMC VULNERABILITIES EXPLOITED FOR CREDENTIAL THEFT AND QILIN RANSOMWARE DEPLOYMENT > OPENAI'S GPT-LIVE-1 API ENHANCES REAL-TIME LANGUAGE PROCESSING CAPABILITIES > GOOGLE UNVEILS GEMINI APP FOR WINDOWS PLATFORM