(yaraPath string, rc4key string, config Configuration)
| 36 | } |
| 37 | |
| 38 | func recursiveCompressFolder(yaraPath string, rc4key string, config Configuration) bytes.Buffer { |
| 39 | var buffer bytes.Buffer |
| 40 | archive := zip.NewWriter(&buffer) |
| 41 | |
| 42 | files := SearchForYaraFiles(yaraPath, true) |
| 43 | |
| 44 | // embed irma.exe executable |
| 45 | zipFile, err := archive.Create("irma.exe") |
| 46 | if err != nil { |
| 47 | log.Fatal("[ERROR] ", err) |
| 48 | } |
| 49 | |
| 50 | fsFile, err := os.ReadFile(os.Args[0]) |
| 51 | if err != nil { |
| 52 | log.Fatal("[ERROR] ", err) |
| 53 | } |
| 54 | |
| 55 | r := bytes.NewReader(fsFile) |
| 56 | _, err = io.Copy(zipFile, r) |
| 57 | if err != nil { |
| 58 | log.Fatal("[ERROR] ", err) |
| 59 | } |
| 60 | |
| 61 | // embed configuration file |
| 62 | zipFile, err = archive.Create("configuration.yaml") |
| 63 | if err != nil { |
| 64 | log.Fatal("[ERROR] ", err) |
| 65 | } |
| 66 | |
| 67 | config.Yara.Path = "yara-signatures/" |
| 68 | d, err := yaml.Marshal(&config) |
| 69 | r = bytes.NewReader(d) |
| 70 | _, err = io.Copy(zipFile, r) |
| 71 | if err != nil { |
| 72 | log.Fatal("[ERROR] ", err) |
| 73 | } |
| 74 | |
| 75 | // embed yara rules |
| 76 | for _, f := range files { |
| 77 | fileName := filepath.Base(f) |
| 78 | zipFile, err := archive.Create("yara-signatures/" + fileName) |
| 79 | if err != nil { |
| 80 | log.Fatal("[ERROR] ", err) |
| 81 | } |
| 82 | |
| 83 | fsFile, err := os.ReadFile(f) |
| 84 | if err != nil { |
| 85 | log.Fatal("[ERROR] ", err) |
| 86 | } |
| 87 | |
| 88 | // yara rule RC4 cipher |
| 89 | if len(rc4key) > 0 { |
| 90 | c, err := rc4.NewCipher([]byte(rc4key)) |
| 91 | if err != nil { |
| 92 | log.Fatal("[ERROR] ", err) |
| 93 | } |
| 94 | |
| 95 | c.XORKeyStream(fsFile, fsFile) |
no test coverage detected