Private Sub Document_Open() On Error Resume Next ActiveDocument.Range.Text = "Pafish for Office Macro v2, by Joe Security" & vbCrLf & vbCrLf & "Includes latest in-the-wild evasion checks. Developed to test and improve sandboxes!" & vbCrLf checkRecentDocs checkNbrOfTask checkTasks checkZoneIdentifier checkPartOfDomain checkBios checkPnP checkUsername checkFilenameHash checkFilenameBad checkPreciseFileName checkCores checkAppCount checkApps mark End Sub Public Sub checkApps() printMsg "[*] WordBasic.AppGetNames ..." d = False tns = Array("vmware", "vmtools", "vbox", "process explorer", "processhacker", "procmon", "visual basic", "fiddler", "wireshark") Set ws = GetObject("winmgmts:\\.\root\cimv2") Dim names() As String ReDim names(WordBasic.AppCount()) WordBasic.AppGetNames names For Each n In names For Each tn In tns If InStr(LCase(n), tn) > 0 Then d = True End If Next Next If d Then printMsg "DETECTED" Else printMsg "OK" End If End Sub Public Sub checkAppCount() printMsg "[*] Checking WordBasic.AppCount() ..." If WordBasic.AppCount() < 50 Then printMsg "DETECTED" Else printMsg "OK" End If End Sub Public Sub checkPreciseFileName() printMsg "[*] Checking Precise Filename ..." badName = False If ActiveDocument.Name <> "Pafish.docm" Then badName = True End If If badName Then printMsg "DETECTED" Else printMsg "OK" End If End Sub Public Sub checkFilenameHash() printMsg "[*] Checking Filename Hashname ..." hexchars = "0123456789abcdef" c = 0 For i = 1 To Len(ThisDocument.Name) s = Mid(LCase(ThisDocument.Name), i, 1) If InStr(s, hexchars) > 0 Then c = c + 1 End If Next If c >= (Len(ThisDocument.Name) - 5) Then printMsg "DETECTED" Else printMsg "OK" End If End Sub Public Sub checkFilenameBad() printMsg "[*] Checking Bad Filename ..." badName = False badNames = Array("malware", "myapp", "sample", ".bin", "mlwr_", "Desktop") For Each n In badNames If InStr(LCase(ActiveDocument.FullName), n) > 0 Then badName = True End If Next If badName Then printMsg "DETECTED" Else printMsg "OK" End If End Sub Public Sub checkTasks() printMsg "[*] Checking Application.Tasks.Name ..." badTask = False badTaskNames = Array("vbox", "vmware", "vxstream", "autoit", "vmtools", "tcpview", "wireshark", "process explorer", "visual basic", "fiddler") For Each Task In Application.Tasks For Each badTaskName In badTaskNames If InStr(LCase(Task.Name), badTaskName) > 0 Then badTask = True End If Next Next If badTask Then printMsg "DETECTED" Else printMsg "OK" End If End Sub Public Sub checkCores() printMsg "[*] Checking Win32_Processor.NumberOfCores ..." badCores = 0 Set objWMIService = GetObject("winmgmts:\\.\root\cimv2") Set colItems = objWMIService.ExecQuery("Select * from Win32_Processor", , 48) For Each objItem In colItems If objItem.NumberOfCores < 3 Then badCores = True End If Next If badCores Then printMsg "DETECTED" Else printMsg "OK" End If End Sub Public Sub checkBios() printMsg "[*] Checking Win32_Bios.SMBIOSBIOSVersion & SerialNumber ..." badBios = False badBiosNames = Array("virtualbox", "vmware", "kvm") Set objWMIService = GetObject("winmgmts:\\.\root\cimv2") Set colItems = objWMIService.ExecQuery("Select * from Win32_Bios", , 48) For Each objItem In colItems For Each badName In badBiosNames If InStr(LCase(objItem.SMBIOSBIOSVersion), badName) > 0 Then badBios = True End If If InStr(LCase(objItem.SerialNumber), badName) > 0 Then badBios = True End If Next Next If badBios Then printMsg "DETECTED" Else printMsg "OK" End If End Sub Public Sub checkPnP() printMsg "[*] Checking Win32_PnPEntity.DeviceId ..." badPNP = False badPNPNames = Array("VEN_80EE", "VEN_15AD") Set objWMIService = GetObject("winmgmts:\\.\root\cimv2") Set colItems = objWMIService.ExecQuery("Select * from Win32_PnPEntity", , 48) For Each objItem In colItems For Each badName In badPNPNames If InStr(LCase(objItem.DeviceId), badName) > 0 Then badPNP = True End If Next Next If badPNP Then printMsg "DETECTED" Else printMsg "OK" End If End Sub Public Sub checkUsername() printMsg "[*] Checking Win32_ComputerSystem.Username ..." badUsername = False badUsernames = Array("admin", "malfind", "sandbox", "test") Set objWMIService = GetObject("winmgmts:\\.\root\cimv2") Set colItems = objWMIService.ExecQuery("Select * from Win32_ComputerSystem", , 48) For Each objItem In colItems For Each badName In badUsernames If InStr(LCase(objItem.UserName), badName) > 0 Then badUsername = True End If Next Next If badUsername Then printMsg "DETECTED" Else printMsg "OK" End If End Sub Public Sub checkPartOfDomain() printMsg "[*] Checking Win32_ComputerSystem.PartOfDomain ..." partOfDomain = False Set objWMIService = GetObject("winmgmts:\\.\root\cimv2") Set colItems = objWMIService.ExecQuery("Select * from Win32_ComputerSystem", , 48) For Each objItem In colItems If objItem.partOfDomain Then partOfDomain = True End If Next If partOfDomain Then printMsg "OK" Else printMsg "DETECTED" End If End Sub Public Sub checkZoneIdentifier() printMsg "[*] Checking Zone.Identifier ..." If CreateObject("Scripting.FileSystemObject").FileExists(ThisDocument.Path & Application.PathSeparator & ThisDocument.Name & ":Zone.Identifier") Then printMsg "OK" Else printMsg "DETECTED" End If End Sub Public Sub checkNbrOfTask() printMsg "[*] Checking Application.Tasks.Count ..." If Application.Tasks.Count < 3 Then printMsg "DETECTED" Else printMsg "OK" End If End Sub Public Sub checkRecentDocs() printMsg "[*] Checking Application.RecentFiles.Count ..." If Application.RecentFiles.Count < 3 Then printMsg "DETECTED" Else printMsg "OK" End If End Sub Public Function printMsg(msg) ActiveDocument.Range.Text = ActiveDocument.Range.Text & msg Set objFSO = CreateObject("Scripting.FileSystemObject") outFile = "pafish.log" Set objFile = objFSO.CreateTextFile(outFile, True) objFile.Write ActiveDocument.Range.Text & msg objFile.Close End Function Public Sub mark() Text = ActiveDocument.Range.Text toks = Split(Text, vbCr) c = 0 For Each tok In toks l = Len(tok) If tok = "OK" Then ActiveDocument.Range(c, c + l).Font.color = vbGreen End If If tok = "DETECTED" Then ActiveDocument.Range(c, c + l).Font.color = vbRed End If c = c + l + 1 Next ActiveDocument.Range.ParagraphFormat.SpaceBefore = 0 ActiveDocument.Range.ParagraphFormat.SpaceAfter = 0 ActiveDocument.Range.Font.Size = 8 End Sub