ActivityPub Viewer

A small tool to view real-world ActivityPub objects as JSON! Enter a URL or username from Mastodon or a similar service below, and we'll send a request with the right Accept header to the server to view the underlying object.

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{ "@context": [ "https://www.w3.org/ns/activitystreams", { "ostatus": "http://ostatus.org#", "atomUri": "ostatus:atomUri", "inReplyToAtomUri": "ostatus:inReplyToAtomUri", "conversation": "ostatus:conversation", "sensitive": "as:sensitive", "toot": "http://joinmastodon.org/ns#", "votersCount": "toot:votersCount", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://swecyb.com/users/nopatience/statuses/114171578638413663", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-03-16T10:13:55Z", "url": "https://swecyb.com/@nopatience/114171578638413663", "attributedTo": "https://swecyb.com/users/nopatience", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://swecyb.com/users/nopatience/followers", "https://mastodon.social/users/Viss", "https://infosec.exchange/users/cR0w", "https://masto.deoan.org/users/neurovagrant" ], "sensitive": false, "atomUri": "https://swecyb.com/users/nopatience/statuses/114171578638413663", "inReplyToAtomUri": null, "conversation": "tag:swecyb.com,2025-03-16:objectId=5441643:objectType=Conversation", "content": "<p>I just published the source code for my very naive <a href=\"https://swecyb.com/tags/Python\" class=\"mention hashtag\" rel=\"tag\">#<span>Python</span></a> implementation for generating a node network based on MITRE Intrusion Sets and Techniques. It will output linked <a href=\"https://swecyb.com/tags/Markdown\" class=\"mention hashtag\" rel=\"tag\">#<span>Markdown</span></a> files linking intrusion sets to their used techniques.</p><p>Perhaps someone finds it useful or interesting to experiment with.</p><p>Source code: <a href=\"https://github.com/cstromblad/markdown_node\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">github.com/cstromblad/markdown</span><span class=\"invisible\">_node</span></a></p><p>I hinted at this in a thread started by <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@Viss\" class=\"u-url mention\">@<span>Viss</span></a></span> where he asked for input on a few very likely malicious domains. Me <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@Viss\" class=\"u-url mention\">@<span>Viss</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://infosec.exchange/@cR0w\" class=\"u-url mention\">@<span>cR0w</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://masto.deoan.org/@neurovagrant\" class=\"u-url mention\">@<span>neurovagrant</span></a></span> and others did some OSINT fun work with a couple of the original domains.</p><p>It was this thread: <a href=\"https://mastodon.social/@Viss/114145122623079635\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">mastodon.social/@Viss/11414512</span><span class=\"invisible\">2623079635</span></a></p><p>Now I posted a picture of a node network rendered in Obsidian and I hinted that perhaps Obsidian could be used as a poor mans version of performing threat intelligence work.</p><p><a href=\"https://swecyb.com/tags/ThreatIntel\" class=\"mention hashtag\" rel=\"tag\">#<span>ThreatIntel</span></a> <a href=\"https://swecyb.com/tags/ThreatIntelligence\" class=\"mention hashtag\" rel=\"tag\">#<span>ThreatIntelligence</span></a> <a href=\"https://swecyb.com/tags/Cybersecurity\" class=\"mention hashtag\" rel=\"tag\">#<span>Cybersecurity</span></a> <a href=\"https://swecyb.com/tags/Obsidian\" class=\"mention hashtag\" rel=\"tag\">#<span>Obsidian</span></a></p>", "contentMap": { "en": "<p>I just published the source code for my very naive <a href=\"https://swecyb.com/tags/Python\" class=\"mention hashtag\" rel=\"tag\">#<span>Python</span></a> implementation for generating a node network based on MITRE Intrusion Sets and Techniques. It will output linked <a href=\"https://swecyb.com/tags/Markdown\" class=\"mention hashtag\" rel=\"tag\">#<span>Markdown</span></a> files linking intrusion sets to their used techniques.</p><p>Perhaps someone finds it useful or interesting to experiment with.</p><p>Source code: <a href=\"https://github.com/cstromblad/markdown_node\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">github.com/cstromblad/markdown</span><span class=\"invisible\">_node</span></a></p><p>I hinted at this in a thread started by <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@Viss\" class=\"u-url mention\">@<span>Viss</span></a></span> where he asked for input on a few very likely malicious domains. Me <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@Viss\" class=\"u-url mention\">@<span>Viss</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://infosec.exchange/@cR0w\" class=\"u-url mention\">@<span>cR0w</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://masto.deoan.org/@neurovagrant\" class=\"u-url mention\">@<span>neurovagrant</span></a></span> and others did some OSINT fun work with a couple of the original domains.</p><p>It was this thread: <a href=\"https://mastodon.social/@Viss/114145122623079635\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">mastodon.social/@Viss/11414512</span><span class=\"invisible\">2623079635</span></a></p><p>Now I posted a picture of a node network rendered in Obsidian and I hinted that perhaps Obsidian could be used as a poor mans version of performing threat intelligence work.</p><p><a href=\"https://swecyb.com/tags/ThreatIntel\" class=\"mention hashtag\" rel=\"tag\">#<span>ThreatIntel</span></a> <a href=\"https://swecyb.com/tags/ThreatIntelligence\" class=\"mention hashtag\" rel=\"tag\">#<span>ThreatIntelligence</span></a> <a href=\"https://swecyb.com/tags/Cybersecurity\" class=\"mention hashtag\" rel=\"tag\">#<span>Cybersecurity</span></a> <a href=\"https://swecyb.com/tags/Obsidian\" class=\"mention hashtag\" rel=\"tag\">#<span>Obsidian</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://media.swecyb.com/media_attachments/files/114/171/572/008/720/936/original/1d8a172d6fdc6eee.png", "name": "Node network from Obsidian showing a network of MITRE Intrusion Sets and Techniques from MITRE ATT&CK.", "blurhash": "U05Ey;%7IV~n-:oaWBog4--:-;9G%LobRiWE", "focalPoint": [ 0, 0 ], "width": 2875, "height": 1845 } ], "tag": [ { "type": "Mention", "href": "https://mastodon.social/users/Viss", "name": "@Viss@mastodon.social" }, { "type": "Mention", "href": "https://infosec.exchange/users/cR0w", "name": "@cR0w@infosec.exchange" }, { "type": "Mention", "href": "https://masto.deoan.org/users/neurovagrant", "name": "@neurovagrant@masto.deoan.org" }, { "type": "Hashtag", "href": "https://swecyb.com/tags/python", "name": "#python" }, { "type": "Hashtag", "href": "https://swecyb.com/tags/markdown", "name": "#markdown" }, { "type": "Hashtag", "href": "https://swecyb.com/tags/threatintel", "name": "#threatintel" }, { "type": "Hashtag", "href": "https://swecyb.com/tags/threatintelligence", "name": "#threatintelligence" }, { "type": "Hashtag", "href": "https://swecyb.com/tags/cybersecurity", "name": "#cybersecurity" }, { "type": "Hashtag", "href": "https://swecyb.com/tags/obsidian", "name": "#obsidian" } ], "replies": { "id": "https://swecyb.com/users/nopatience/statuses/114171578638413663/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://swecyb.com/users/nopatience/statuses/114171578638413663/replies?only_other_accounts=true&page=true", "partOf": "https://swecyb.com/users/nopatience/statuses/114171578638413663/replies", "items": [] } }, "likes": { "id": "https://swecyb.com/users/nopatience/statuses/114171578638413663/likes", "type": "Collection", "totalItems": 24 }, "shares": { "id": "https://swecyb.com/users/nopatience/statuses/114171578638413663/shares", "type": "Collection", "totalItems": 6 } }