Search: “format string”

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CategoryAll Malware 294 Vulnerability 167 Ransomware 72 Threat actor 67 Exploit / PoC 66 Data breach 38 Industry 16 Policy & legal 15 Phishing & fraud 9 AI tools & infra 8 Research 8 Tools 6 AI safety & security 5 Model release 4

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Re: Retrospective by 'gpg.fail' authors

GPG exploitation talk author clarifies a format-string 0day enabling code execution via printf %n writes and a polyglot PEM certificate payload.

Lexi Groves, author of the gpg.fail talk, clarified on oss-security that the first finding was an actual zero-day: a classic printf injection using %n for memory writes, with multiple X.509 certificates in one PEM file to re-enter and defeat ASLR before calling execv@plt. The payload executed the certificate itself, a polyglot file made by inserting a shebang and bash command into the PEM. A second finding was hash-collided by another party before the author could exploit it.

oss-securityupdated 17:16 UTC · 5h agofirst 00:50 UTC · 22h agoResearch 8 sources

The Gopher in the Room: Analysis of GoLang Malware in the Wild

Unit 42 analysis of 10,700 Go-compiled malware samples shows steady growth in the wild, with 92% targeting Windows and top families including Veil, GoBot2, and HERCULES.

Unit 42 collected roughly 10,700 unique Go-compiled malware samples and found that Go usage by malware developers has steadily risen in recent months. About 92% of samples targeted Windows and 75% were attributed to known families, led by Veil, GoBot2, and HERCULES. The most prevalent groupings were penetration testing tools, remote access Trojans, and backdoors. Statically linked Go binaries average 4.65MB, which can complicate phishing delivery but sometimes causes antivirus products to skip or fail scanning.

Palo Alto Unit 42Aug 17, 12:21 UTC · Aug 17, 2026Research1

Google's New Restore Credentials Tool Simplifies App Login After Android Migration

The Hacker NewsNov 26, 04:34 UTC · Nov 26, 2024Research