A Masterclass in Social Engineering
Description
A screenshot of a Twitter conversation from May 12, 2016, that captures a brilliant act of social engineering. The thread begins with user Taylor Hornby (@DefuseSec) issuing a public challenge: 'I'll give $100 USD to anyone who can trick me into inserting the string "BackdoorPoCTwitter" into a release of any of my software projects.' Another user, Steve (@Sc00bzT), replies, 'You should put this challenge on your website.' Taylor agrees, adding the challenge text to his site. Steve then replies with a link to the website's GitHub repository, asking 'Did I just win?'. By describing the challenge on his own website (which is one of his software projects), Taylor had inadvertently inserted the forbidden string himself. The final tweets show Taylor's realization and defeat: 'FUCK. What's your paypal/bitcoin?', followed by Steve's good-natured reply to settle for a beer at DEF CON. This is a classic example of social engineering, where the human element, rather than a technical flaw, is exploited. It's a powerful lesson for senior engineers that the attack surface of a project includes its documentation, public communication, and the developers themselves
Comments
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Your WAF can block a million SQL injection attempts, but it can't patch the vulnerability between the keyboard and the chair
Supply-chain hardening checklist: reproducible builds ✓, signed tags ✓, SLSA level 4 ✓, maintainer immune to dopamine-driven Twitter dares ✗
The most secure system is the one where the developer themselves becomes the vulnerability - no CVE required, just a helpful suggestion
A perfect demonstration of why security researchers should implement input validation on their own suggestions - turns out the most effective social engineering attack vector is just politely asking the target to backdoor themselves. The real vulnerability wasn't in the code; it was in the README. At least the bounty payout negotiation went from '$100 USD' to 'one beer at DEF CON,' proving that even in security research, scope creep works both ways
Forgot to grep your own repo before the bounty drop? That's how you turn a security flex into a self-funded exploit
New CVE: persuasion. Exploit: “put it on your website.” Impact: CI signs the release and BackdoorPoCTwitter ships as a feature
Severity: Critical - the vulnerable component wasn’t a library, it was “maintainer takes requirements from Twitter,” enabling a one-line content commit to escalate into a Reward Collection Event