Updated script to find and attach to open processes without reopening…

dumper.py

@@ -21,7 +21,7 @@ def dump_to_file(agent,base,size,error,directory):
 def splitter(agent,base,size,max_size,error,directory):
         times = size/max_size
         diff = size % max_size
-        if diff is 0:
+        if diff == 0:
             logging.debug("Number of chunks:"+str(times+1))
         else:
             logging.debug("Number of chunks:"+str(times))
@@ -33,7 +33,7 @@ def splitter(agent,base,size,max_size,error,directory):
                 dump_to_file(agent, cur_base, max_size, error, directory)
                 cur_base = cur_base + max_size
 
-        if diff is not 0:
+        if diff != 0:
             logging.debug("Save bytes: "+str(hex(cur_base))+" till "+str(hex(cur_base+diff)))
             dump_to_file(agent, cur_base, diff, error, directory)
 

fridump.py

@@ -27,8 +27,7 @@ def MENU():
         formatter_class=argparse.RawDescriptionHelpFormatter,
         description=textwrap.dedent(""))
 
-    parser.add_argument('process',
-                        help='the process that you will be injecting to')
+    parser.add_argument('-A', '--appname', help='the application name that you will be injecting to', required=False)
     parser.add_argument('-o', '--out', type=str, metavar="dir",
                         help='provide full output directory path. (def: \'dump\')')
     parser.add_argument('-U', '--usb', action='store_true',
@@ -39,6 +38,7 @@ def MENU():
                         help="dump read-only parts of memory. More data, more errors")
     parser.add_argument('-s', '--strings', action='store_true',
                         help='run strings on all dump files. Saved in output dir.')
+    parser.add_argument('-p', '--pid', help='attach direct to a process id', required=False)
     parser.add_argument('--max-size', type=int, metavar="bytes",
                         help='maximum size of dump file in bytes (def: 20971520)')
     args = parser.parse_args()
@@ -50,13 +50,14 @@ def MENU():
 arguments = MENU()
 
 # Define Configurations
-APP_NAME = arguments.process
+APP_NAME = arguments.appname
 DIRECTORY = ""
 USB = arguments.usb
 DEBUG_LEVEL = logging.INFO
 STRINGS = arguments.strings
 MAX_SIZE = 20971520
 PERMS = 'rw-'
+pid = 0
 
 if arguments.read_only:
     PERMS = 'r--'
@@ -69,12 +70,25 @@ def MENU():
 # Start a new Session
 session = None
 try:
+    if arguments.pid is not None:
+        pid = arguments.pid
+        pass
+    else:
+        for a in frida.get_usb_device().enumerate_applications():
+            if a.identifier == APP_NAME:
+                pid = a.pid
+                break
+        pass 
+
+    print(f"[+] attaching to process with Id of {pid}")    
     if USB:
-        session = frida.get_usb_device().attach(APP_NAME)
+        session = frida.get_usb_device().attach(int(pid))
     else:
-        session = frida.attach(APP_NAME)
+        session = frida.attach(int(pid))
+
 except Exception as e:
-    print("Can't connect to App. Have you connected the device?")
+    print(e)
+    print("[-] Can't connect to App. Have you connected the device?")
     logging.debug(str(e))
     sys.exit()
 
@@ -83,22 +97,22 @@ def MENU():
 if arguments.out is not None:
     DIRECTORY = arguments.out
     if os.path.isdir(DIRECTORY):
-        print("Output directory is set to: " + DIRECTORY)
+        print("[*] Output directory is set to: " + DIRECTORY)
     else:
-        print("The selected output directory does not exist!")
+        print("[*] The selected output directory does not exist!")
         sys.exit(1)
 
 else:
-    print("Current Directory: " + str(os.getcwd()))
+    print("[*] Current Directory: " + str(os.getcwd()))
     DIRECTORY = os.path.join(os.getcwd(), "dump")
-    print("Output directory is set to: " + DIRECTORY)
+    print("[*] Output directory is set to: " + DIRECTORY)
     if not os.path.exists(DIRECTORY):
-        print("Creating directory...")
+        print("[*] Creating directory...")
         os.makedirs(DIRECTORY)
 
 mem_access_viol = ""
 
-print("Starting Memory dump...")
+print("[+] Starting Memory dump...")
 
 script = session.create_script(
     """'use strict';
@@ -116,7 +130,7 @@ def MENU():
 script.on("message", utils.on_message)
 script.load()
 
-agent = script.exports
+agent = script.exports_sync
 ranges = agent.enumerate_ranges(PERMS)
 
 if arguments.max_size is not None:

utils.py

@@ -20,6 +20,7 @@ def printProgress (times, total, prefix ='', suffix ='', decimals = 2, bar = 100
 def strings(filename, directory, min=4):
     strings_file = os.path.join(directory, "strings.txt")
     path = os.path.join(directory, filename)
+    print(path)
     with open(path, encoding='Latin-1') as infile:
         str_list = re.findall("[\x20-\x7E]+\x00", infile.read())
         with open(strings_file, "a") as st: