Add evasion_veh.py for VEH detection

modules/signatures/windows/evasion_veh.py

@@ -0,0 +1,42 @@
+# Copyright (C) 2026 Kevin Ross
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from lib.cuckoo.common.abstracts import Signature
+
+class RegistersVectoredExceptionHandler(Signature):
+    name = "registers_vectored_exception_handler"
+    description = "Registers a vectored exception handler (VEH), possibly to hijack execution flow"
+    severity = 2
+    confidence = 80
+    categories = ["evasion", "execution", "injection"]
+    authors = ["Kevin Ross"]
+    minimum = "1.3"
+    evented = True
+    ttps = ["T1055", "T1574"]
+
+    filter_apinames = {"RtlAddVectoredExceptionHandler", "AddVectoredExceptionHandler"}
+
+    def __init__(self, *args, **kwargs):
+        Signature.__init__(self, *args, **kwargs)
+        self.ret = False
+
+    def on_call(self, call, process):
+        handler_address = self.get_argument(call, "Handler") or self.get_argument(call, "VectorHandler") 
+        if handler_address:
+            self.mark_call()
+            self.ret = True
+
+    def on_complete(self):
+        return self.ret