Include a test developed by @gcmoreira and @eve-mem

test/test_volatility.py

@@ -14,6 +14,7 @@ import tempfile
 import hashlib
 import ntpath
 import json
+import contextlib
 
 #
 # HELPER FUNCTIONS
@@ -378,6 +379,42 @@ def test_linux_library_list(image, volatility, python):
     assert out.count(b"\n") >= 2677
     assert rc == 0
 
+def test_linux_vmayarascan_yara_rule(image, volatility, python):
+    yara_rule_01 = r"""
+        rule fullvmayarascan
+        {
+            strings:
+                $s1 = "_nss_files_parse_grent"
+                $s2 = "/lib64/ld-linux-x86-64.so.2"
+                $s3 = "(bufferend - (char *) 0) % sizeof (char *) == 0"
+            condition:
+                all of them
+        }
+    """
+
+    # FIXME: When the minimum Python version includes 3.12, replace the following with:
+    # with tempfile.NamedTemporaryFile(delete_on_close=False) as fd: ...
+    fd, filename = tempfile.mkstemp(suffix=".yar")
+    try:
+        with os.fdopen(fd, "w") as f:
+            f.write(yara_rule_01)
+
+        rc, out, _err = runvol_plugin(
+            "linux.vmayarascan.VmaYaraScan",
+            image,
+            volatility,
+            python,
+            pluginargs=["--pid", "8600", "--yara-file", filename],
+        )
+    finally:
+        with contextlib.suppress(FileNotFoundError):
+            os.remove(filename)
+
+    out = out.lower()
+    assert out.count(b"\n") > 4
+    assert rc == 0
+
+
 
 # MAC