rule TrojanDownloader_O97M_Emotet_AMGF_MTB{ meta: description = "TrojanDownloader:O97M/Emotet.AMGF!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,02 00 02 00 02 00 00 " strings : $a_03_0 = {72 65 67 73 76 72 33 32 2e 65 78 65 [0-0f] 5c [0-0f] 2e 6f 63 78 42 } //1 $a_01_1 = {55 52 4c 44 6f 77 6e 6c 6f 61 64 54 6f 46 69 6c 65 41 } //1 URLDownloadToFileA condition: ((#a_03_0 & 1)*1+(#a_01_1 & 1)*1) >=2 }