Merge pull request #443 from kevross33/patch-56

Create injection_thread.py

modules/signatures/windows/injection_thread.py

@@ -0,0 +1,49 @@
+# Copyright (C) 2024 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 ThreadManipulationRemoteProcess(Signature):
+    name = "resumethread_remote_process"
+    description = "Resumed a thread in another process"
+    severity = 2
+    categories = ["injection", "unpacking"]
+    authors = ["Kevin Ross"]
+    minimum = "1.3"
+    evented = True
+    ttps = ["T1055"]  # MITRE v6,7,8
+
+    filter_apinames = set(["NtResumeThread"])
+
+    def __init__(self, *args, **kwargs):
+        Signature.__init__(self, *args, **kwargs)
+        self.ret = False
+        self.sourcepid = []
+        self.targetpid = []
+
+    def on_call(self, call, process):
+            procid = self.get_argument(call, "ProcessId")
+            processid = process["process_id"]
+            if procid != processid:
+                if processid not in self.sourcepid and procid not in self.targetpid:
+                    pname = process["process_name"].lower()
+                    self.sourcepid.append(processid)
+                    self.targetpid.append(procid)
+                    self.data.append({"thread_resumed": "Process %s with process ID %s resumed a thread in another process with the process ID %s" % (pname, processid, procid)})
+                self.mark_call()
+                self.ret = True
+
+    def on_complete(self):
+        return self.ret