{"id":20935814,"url":"https://github.com/anfractuosity/timeshifter","last_synced_at":"2026-03-07T02:07:33.138Z","repository":{"id":32649885,"uuid":"36237018","full_name":"anfractuosity/timeshifter","owner":"anfractuosity","description":"Transmissions over time based covert channels across a network. Modifies the time intervals between packets to transmit data.","archived":false,"fork":false,"pushed_at":"2022-06-26T16:38:32.000Z","size":5,"stargazers_count":22,"open_issues_count":0,"forks_count":7,"subscribers_count":3,"default_branch":"master","last_synced_at":"2025-05-13T21:39:52.948Z","etag":null,"topics":["covert-channel","data-exfiltration","exfiltration","packet-interval","packets","steganography","timing","transmission"],"latest_commit_sha":null,"homepage":"https://www.anfractuosity.com/projects/timeshifter/","language":"C","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":"alecthomas/binary","license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/anfractuosity.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2015-05-25T14:56:09.000Z","updated_at":"2023-09-20T02:38:23.000Z","dependencies_parsed_at":"2022-09-06T15:21:19.156Z","dependency_job_id":null,"html_url":"https://github.com/anfractuosity/timeshifter","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/anfractuosity/timeshifter","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/anfractuosity%2Ftimeshifter","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/anfractuosity%2Ftimeshifter/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/anfractuosity%2Ftimeshifter/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/anfractuosity%2Ftimeshifter/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/anfractuosity","download_url":"https://codeload.github.com/anfractuosity/timeshifter/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/anfractuosity%2Ftimeshifter/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":30205894,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-03-06T19:07:06.838Z","status":"online","status_checked_at":"2026-03-07T02:00:06.765Z","response_time":53,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["covert-channel","data-exfiltration","exfiltration","packet-interval","packets","steganography","timing","transmission"],"created_at":"2024-11-18T22:16:31.343Z","updated_at":"2026-03-07T02:07:28.127Z","avatar_url":"https://github.com/anfractuosity.png","language":"C","funding_links":[],"categories":["3. [↑](#-content) Cryptography"],"sub_categories":["[↑](#-content) 3.2 Steganographic"],"readme":"# timeshifter\n\nTransmissions over time based covert channels across a network\n\nWe created a system in order to transmit and receive data by modifying the time intervals between packets. \n\n\n# setup\n\nOn Ubuntu/Debian:\n\n```\nsudo apt-get install libnetfilter-queue-dev\n```\n\nOn Arch:\n\n```\nsudo pacman -S libnetfilter_queue\n```\n\n# example\n\nSetup iptables rules based on the example_rules_single_computer.sh file provided.\n\n*N.B. once you’ve activated these iptables rules, then packets will not be sent out from the computer until you run the program below.*\n\nRun the transmitter using:\n\n```\necho \"helloworld\" | ./timeshifter 0 2000 3000\n```\n\nRun the reciever using:         \n\n```\n./timeshifter 1 2000 3000\n```\n\nThen ping a remote host, the transmitting packet's intervals will be modulated with your data, the pong replies will then be decoded by the reciever.\n\nPlease see https://www.anfractuosity.com/projects/timeshifter/ for additional explaination\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fanfractuosity%2Ftimeshifter","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fanfractuosity%2Ftimeshifter","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fanfractuosity%2Ftimeshifter/lists"}