rule VirTool_WinNT_Sinowal_C{ meta: description = "VirTool:WinNT/Sinowal.C,SIGNATURE_TYPE_PEHSTR_EXT,03 00 03 00 03 00 00 " strings : $a_02_0 = {33 f6 ff 25 ?? ?? 01 00 [0-07] ff 25 ?? ?? 01 00 } //1 $a_02_1 = {83 7c 24 0c 05 ff 25 ?? ?? 01 00 [0-07] ff 25 ?? ?? 01 00 } //1 $a_01_2 = {68 70 53 74 75 ff 74 24 08 6a 00 ff 15 } //1 condition: ((#a_02_0 & 1)*1+(#a_02_1 & 1)*1+(#a_01_2 & 1)*1) >=3 }