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code.vba
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code.vba
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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