Observations from Running Steal My Bitcoin
Comments on “Observations from Running Steal My Bitcoin”
Claim-checked. Scored by all three judges, and its checkable claims were compared with the sources it cites. How far stories are checked
James Pavur ran "Steal My Bitcoin," a public challenge with a $500 bitcoin wallet on a cheap PHP server, to test whether the PHP2Shell vulnerability works outside a lab. By his account, one participant exploited it over the open internet. Of tens of thousands of attempts, only two triggered the flag binary, and only one extracted data. He concludes that PHP2Shell is real and should be patched, but that unskilled attackers with LLMs are not there yet. The figures are self-reported from one server, with partial logging.
Why it ranked
No. 18 of 59 with a score of 0.69. The panel rated it highest on substantiated (0.88) and reader interest (0.83), lowest on significance (0.64). Placed No. 18, No. 9 by score alone: the seventh Security story of the day (−0.080), and close to “PHP exploitation moves at slower-than-expected pace, but millions remain at risk”, No. 10 on Tuesday 27 October 2026 (−0.021). The placement terms move stories; they are not part of the score.
- AI judgeJudge 2claude-haiku-5-5
- Hands-on security experiment testing PHP2Shell exploitability with real data from a public challenge; strong evidence and clear practical takeaways, though it covers a widely discussed CVE already in the recent coverage.
- AI judgeJudge 3gpt-5.6-luna
- A firsthand, unusually well-instrumented internet exploit experiment provides concrete evidence about PHP2Shell exploitability and AI-assisted attack limits. It is highly relevant and novel, though some broader predictions exceed the experiment’s scope.
Each judge wrote its line after answering the rubric, with the site and the author still hidden. Every answer behind this is in the table under Score.
Score
0.69total under rubric v2.3
- Significance0.64
- Reader interest0.83
- Audience breadth0.72
- Practical relevance0.73
- Substantiated0.88
- Technical depth0.67
- New information0.75
- Counts against: Promotional0.04
- Counts against: Overclaim0.33
Each judge’s answer per question (0–1), their mean and spread, and what the question adds to the score (weight × mean).
| Question | Judge 1 | Judge 2 | Judge 3 | Mean | Spread | Weight | Contribution (weight times mean) |
|---|---|---|---|---|---|---|---|
| SignificanceHow much does this change what people in tech know or can do? | 0.64 | 0.55 | 0.72 | 0.64 | 0.17 | +0.24 | +0.153 |
| Reader interestWould a well-informed senior engineer or tech founder want to read this today, and likely pass it on? | 0.69 | 0.85 | 0.94 | 0.83 | 0.25 | +0.26 | +0.215 |
| Audience breadthHow many people who build technology does it concern? | 0.83 | 0.60 | 0.72 | 0.72 | 0.23 | +0.13 | +0.093 |
| Practical relevanceHow useful is it to someone who builds software or tech products? | 0.72 | 0.70 | 0.78 | 0.73 | 0.08 | +0.22 | +0.161 |
| SubstantiatedHow well is it backed? Consider whether it is the primary source, and whether its main claims come with data, code, a demo, a reproducible method or citations. | 0.93 | 0.80 | 0.90 | 0.88 | 0.13 | +0.05 | +0.044 |
| Technical depthHow technically substantive is it? | 0.76 | 0.55 | 0.70 | 0.67 | 0.20 | +0.05 | +0.033 |
| New informationDoes it contain information absent from the stories covered in the last 7 days (list provided)? | 0.78 | 0.60 | 0.88 | 0.75 | 0.28 | +0.05 | +0.038 |
| PromotionalIs it mainly marketing with little substance (a press release, ad or sponsored post with no real information)? A launch post that carries real news is not promotional. | 0.08 | 0.03 | 0.01 | 0.04 | 0.07 | −0.19 | −0.008 |
| OverclaimDo the headline or conclusions claim more than the body supports? | 0.53 | 0.15 | 0.30 | 0.33 | 0.38 | −0.11 | −0.036 |
| Sum of contributions | +0.694 | ||||||
| Claim-check penalty | 0.000 | ||||||
| Total, as published | 0.694 | ||||||
Spread is the highest minus the lowest judge answer. marks a spread above 0.40: the judges disagree, and the story is marked contested.
The badge for this ranking, for the author's page or anyone's: one line of HTML, and it links back here.
<a href="https://rubric.hrih.si/editions/2026-11-01/18/"><img src="https://rubric.hrih.si/badge/2026-11-01/18.svg" alt="Ranked #18 on Rubric, 1 Nov 2026" width="238" height="28"></a>Claim check
Claim check: 1 matches source · 4 no source given · 3 couldn’t check. Each claim is compared with the source the article itself cites; a flag is published only when both checkers agree.
Couldn’t checkGeneralization
News outlets reported that any attacker could achieve arbitrary remote code execution on millions of PHP services worldwide by sending a few unauthenticated web requests exploiting PHP2Shell.
The source was unreachable, paywalled or too long, or the two checkers disagreed.
The article says “claimed any attacker could achieve arbitrary remote code execution on any of the millions of running PHP services worldwide simply by sending a few unauthenticated web requests”
The source says No passage could be compared.
Source cited by the article: nytimes.com/2026/10/21/us/politics/php-vulnerability-ai-openai-cybersecurity.html
Couldn’t checkGeneralization
Hacker groups, initially excited by the PHP2Shell exploit, came to view it as impractical or difficult, according to KELA.
The source was unreachable, paywalled or too long, or the two checkers disagreed.
The article says “hacker groups, while initially quite excited by the exploit’s potential, had started to view it as impractical or difficult”
The source says No passage could be compared.
Source cited by the article: kelacyber.com/blog/php2shell-underground-response
Couldn’t checkCausal conclusion
The challenge winner exploited the author's server over an open internet connection using the PHP2Shell vulnerability, as described in a writeup.
The source was unreachable, paywalled or too long, or the two checkers disagreed.
The article says “The challenge winner, who has posted a writeup, exploited my server directly over an open internet connection and did so using the PHP2Shell vulnerability”
The source says No passage could be compared.
Source cited by the article: github.com/KillaBoi/StealMyBitcoin-PoC
No source givenNumber
Of tens of thousands of people who attempted the exploit, only two triggered the print-flag binary and only one extracted useful content from the application.
The article gives no link or citation for it.
The article says “only two managed to trigger the print-flag binary and only one, the winner of the challenge, managed to do so in such a way as to extract useful content”
The source says No source to compare with.
No source givenNumber
During the 10 hours of reliable request logging, the server received more than 13 million HTTP requests and about 120,000 distinct IPs visited the site.
The article gives no link or citation for it.
The article says “The server recieved more than 13 million HTTP requests”
The source says No source to compare with.
Matches sourceQuote
Wiz's blog stated that exploitation does not depend on a flaw in the application's code, and even a simple Hello World application on an affected PHP version can be vulnerable.
The cited source says the same thing.
The article says “Exploitation does not depend on a flaw in the application’s code: even a simple “Hello World” application running on an affected PHP version can be vulnerable”
The source says “Exploitation does not depend on a flaw in the application’s code: even a simple “Hello World” application running on an affected PHP version can be vulnerable”
Source cited by the article: wiz.io/blog/php2shell-php-rce
No source givenDate
The winner solved the challenge about 3 hours after the author added php-version.php to the server.
The article gives no link or citation for it.
The article says “the winner solved the challenge about 3 hours after I added php-version.php to the server”
The source says No source to compare with.
No source givenGeneralization
Inexpert attackers cannot yet use a top LLM plus a difficult CVE like PHP2Shell to build a reliable cyber-attack tool.
The article gives no link or citation for it.
The article says “It’s pretty clear that we aren’t at a time, yet, where an inexpert attacker can take a top LLM + a difficult CVE”
The source says No source to compare with.
Also covered by
No other coverage was clustered with this story.
Elsewhere
Elsewhere: HN 4 pts, not on front page
Recorded for context only, checked 1 Nov 2026, 05:47 UTC. It played no part in the ranking.