id: backoff-malware info: name: Backoff Malware - Detect author: daffainfo severity: info reference: https://github.com/Yara-Rules/rules/blob/master/malware/MALW_Backoff.yar tags: malware,file file: - extensions: - all matchers: - type: word part: raw words: - '&op=%d&id=%s&ui=%s&wv=%d&gr=%s&bv=%s' - '%s @ %s' - 'Upload KeyLogs' condition: and # digest: 4a0a00473045022079d4f4596294699424354f45d83f60b82122d91b0ab92e5fe80fa66d9f3d7125022100e278c3b47ff2e1deb831962a35ab1b877db05444ecf6cddd14dc61c94c4b3e8c:922c64590222798bb761d5b6d8e72950