rule Backdoor_Win32_MsBuildBypass_C_dha{ meta: description = "Backdoor:Win32/MsBuildBypass.C!dha,SIGNATURE_TYPE_CMDHSTR_EXT,0b 00 0b 00 05 00 00 0a 00 " strings : $a_00_0 = {6d 00 73 00 62 00 75 00 69 00 6c 00 64 00 2e 00 65 00 78 00 65 00 } //01 00 msbuild.exe $a_00_1 = {63 00 3a 00 5c 00 77 00 69 00 6e 00 64 00 6f 00 77 00 73 00 5c 00 68 00 65 00 6c 00 70 00 5c 00 } //01 00 c:\windows\help\ $a_00_2 = {63 00 3a 00 5c 00 77 00 69 00 6e 00 64 00 6f 00 77 00 73 00 5c 00 64 00 65 00 62 00 75 00 67 00 5c 00 } //01 00 c:\windows\debug\ $a_00_3 = {63 00 3a 00 5c 00 77 00 69 00 6e 00 64 00 6f 00 77 00 73 00 5c 00 69 00 6e 00 66 00 5c 00 } //01 00 c:\windows\inf\ $a_00_4 = {63 00 3a 00 5c 00 77 00 69 00 6e 00 64 00 6f 00 77 00 73 00 5c 00 6d 00 65 00 64 00 69 00 61 00 5c 00 } //00 00 c:\windows\media\ condition: any of ($a_*) }