{"id":"MAL-2024-11530","summary":"Malicious code in asn1tool (PyPI)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: kam193 (2f9270a5372d17332c32e8824c44dab167a1f2a78ebc5a204e090ac4487a0f31)\nPackage clones a legitimate package. In the call to check the current version, the obfuscated remote code is downloaded and executed. It appears to be an infostealer\n\n\n---\n\nCategory: MALICIOUS - The campaign has clearly malicious intent, like infostealers.\n\n\nCampaign: 2024-11-asn1tool\n\n\nReasons (based on the campaign):\n\n\n - obfuscation\n\n\n - dependency-confusion\n\n\n - typosquatting\n\n\n - clones-real-package\n\n\n - infostealer\n","modified":"2026-03-19T12:50:24.262598Z","published":"2024-11-10T22:28:42Z","database_specific":{"malicious-packages-origins":[{"sha256":"e8a3b81c6312bc3cb87be77a1a79aab0ad3ee89d865020319fa8a75c7e5b27b1","source":"reversing-labs","versions":["0.167.0","0.167.1"],"id":"RLMA-2024-10974","import_time":"2024-12-09T14:38:40.866088154Z","modified_time":"2024-12-09T06:49:47Z"},{"id":"pypi/2024-11-asn1tool/asn1tool","import_time":"2025-12-02T22:30:54.94338499Z","modified_time":"2024-11-10T22:28:42Z","ranges":[{"events":[{"introduced":"0"}],"type":"ECOSYSTEM"}],"sha256":"96ca0230415532472a651c1ec058230fbc59b55ea6dfac0e930d9053eda89cf7","source":"kam193"},{"source":"kam193","id":"pypi/2024-11-asn1tool/asn1tool","import_time":"2025-12-02T23:07:17.982770545Z","modified_time":"2024-11-10T22:28:42Z","ranges":[{"events":[{"introduced":"0"}],"type":"ECOSYSTEM"}],"sha256":"2f9270a5372d17332c32e8824c44dab167a1f2a78ebc5a204e090ac4487a0f31"},{"id":"pypi/2024-11-asn1tool/asn1tool","import_time":"2025-12-10T21:38:57.288406781Z","modified_time":"2024-11-10T22:28:42Z","sha256":"fcf16dae4d8151f171591b251d4155088e0f69cb2109b5c9ce796fcf56c1dda4","source":"kam193","versions":["0.167.0","0.167.1"]},{"id":"RLUA-2026-00080","import_time":"2026-03-19T12:19:23.744666627Z","modified_time":"2026-03-18T12:11:12Z","sha256":"d58b4cd705fc437469738d9f9959faa370ec527ec6d2bb1580c9e0352ce7247b","source":"reversing-labs"}],"iocs":{"urls":["https://tinyurl.com/1atestver","https://tinyurl.com/l4kr0sr4t","https://tinyurl.com/w1ngfjs"]}},"references":[{"type":"WEB","url":"https://bad-packages.kam193.eu/pypi/package/asn1tool"}],"affected":[{"package":{"name":"asn1tool","ecosystem":"PyPI","purl":"pkg:pypi/asn1tool"},"versions":["0.167.0","0.167.1"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/asn1tool/MAL-2024-11530.json"}}],"schema_version":"1.7.5","credits":[{"name":"Kamil Mańkowski (kam193)","contact":["https://github.com/kam193","https://bad-packages.kam193.eu/"]},{"name":"Kamil Mańkowski (kam193)","contact":["https://github.com/kam193","https://bad-packages.kam193.eu/"],"type":"REPORTER"},{"name":"ReversingLabs","contact":["https://www.reversinglabs.com"],"type":"FINDER"}]}