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cryptokiller.py
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cryptokiller.py
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# -*- coding: utf-8 -*-
# Cryptolocker Detection & Killer Utility v1.0
# Author: Mert SARICA
# E-mail: mert [ . ] sarica [ @ ] gmail [ . ] com
# URL: https://www.mertsarica.com
import os
import binascii
import time
from winappdbg import Process, System, Debug, EventHandler
import locale
import re
import platform
import subprocess
import sys
import re
from Tkinter import *
import Tkinter
import threading
import Queue # This is thread safe
import time
from threading import *
import datetime
from winappdbg.win32 import ERROR_ACCESS_DENIED
reload(sys)
sys.setdefaultencoding('iso-8859-9')
# Global Variables
dev = 0
turkish = 0
gpid = 0
oldpid = 0
root = Tk()
fileLock = Semaphore(value=1)
filename = r"C:\Cryptokiller\log.txt"
filename_err = r"C:\Cryptokiller\error.txt"
folder = r"C:\Cryptokiller"
if dev:
print "Platform:", platform.release()
if platform.release().find("XP") >= 0:
xp = 1
else:
xp = 0
def excepthook(*args):
sys.exit(1)
# Reference: http://stackoverflow.com/questions/19672352/how-to-run-python-script-with-elevated-privilege-on-windows
def isUserAdmin():
if os.name == 'nt':
import ctypes
# WARNING: requires Windows XP SP2 or higher!
try:
return ctypes.windll.shell32.IsUserAnAdmin()
except:
traceback.print_exc()
else:
if turkish:
raise RuntimeError, "[*] Unsupported operating system for this module: %s" % (os.name,)
else:
raise RuntimeError, u"[*] Desteklenmeyen işletim sistemi: %s" % (os.name,)
sys.exit(1)
def log(txt):
if not os.path.exists(folder):
os.mkdir(folder)
try:
fileLock.acquire()
FILE = open (filename,"a" )
except IOError:
if console:
print "[-] Can not open log.txt!\n"
log("[-] Hata: Can not open log.txt!")
sys.exit(1)
start = str(datetime.datetime.now())
txt = "(" + start + ")" + " " + txt + "\r\n"
FILE.writelines(txt)
FILE.close()
fileLock.release()
def error_log(txt):
try:
fileLock.acquire()
FILE = open (filename_err,"a" )
except IOError:
if console:
print "[-] Can not open error.txt!\n"
error_log("[-] Can not open error.txt!")
sys.exit(1)
start = datetime.datetime.now()
txt = "(" + str(start) + ")" + " " + txt + "\r\n"
FILE.writelines(txt)
FILE.close()
fileLock.release()
# Reference: http://stackoverflow.com/questions/20303291/issue-with-redirecting-stdout-to-tkinter-text-widget-with-threads
class Std_redirector():
def __init__(self, widget):
self.widget = widget
def write(self,string):
self.widget.write(string)
class ThreadSafeText(Text):
def __init__(self, master, **options):
Text.__init__(self, master, **options)
self.queue = Queue.Queue()
self.update_me()
def write(self, line):
self.queue.put(line)
def update_me(self):
while not self.queue.empty():
line = self.queue.get_nowait()
self.insert(END, line)
self.see(END)
self.update_idletasks()
self.after(10, self.update_me)
def get_svchost_pid():
cmd = 'tasklist /svc /fi "imagename eq svchost.exe" /fi "services eq LanmanServer"'
p = subprocess.Popen(cmd,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
stdin=subprocess.PIPE)
result = p.communicate()[0]
re1='.*?' # Non-greedy match on filler
re2='(\\d+)' # Integer Number 1
rg = re.compile(re1+re2,re.IGNORECASE|re.DOTALL)
m = rg.search(result)
if m:
int1=m.group(1)
return int1
def get_explorer_pid():
# Request debug privileges.
System.request_debug_privileges()
# Scan for running processes.
system = System()
try:
system.scan_processes()
#system.scan_process_filenames()
except WindowsError:
system.scan_processes_fast()
# For each running process...
for process in system.iter_processes():
try:
pid = process.get_pid()
if pid in (0, 4, 8):
continue
if dev:
print "* Process:", process.get_filename(), "Pid:", pid, "Time:", process.get_running_time()
if process.get_filename() == "explorer.exe":
if process.get_running_time() < 300000:
return pid
# Skip processes we don't have permission to access.
except WindowsError, e:
if e.winerror == ERROR_ACCESS_DENIED:
continue
raise
sys.exit(1)
def cls():
if sys.platform == 'linux-i386' or sys.platform == 'linux2':
os.system("clear")
elif sys.platform == 'win32':
os.system("cls")
else:
os.system("cls")
def kill_cryptolocker( pname, pid ):
# Instance a Process object.
process = Process( pid )
# Kill the process.
process.kill()
proc = "(" + pname + ":" + str(gpid) + ")"
if turkish:
txt = u"[*] Cryptolocker işlemcisi durduruldu! " + proc
log(txt)
print u"[*] Cryptolocker işlemcisi durduruldu! " + proc
else:
txt = "[*] Terminated Cryptolocker process! " + proc
log(txt)
print "[*] Terminated Cryptolocker process! " + proc
if root.state() != "normal":
os.system(filename)
sys.exit(1)
class MyEventHandler( EventHandler ):
global xp
# Here we set which API calls we want to intercept
apiHooks = {
# Hooks for the kernel32 library
'kernel32.dll' : [
# Function Parameters
( 'CreateFileA' , 7 ),
( 'CreateFileW' , 7 ),
( 'CreateProcessA' , 10 ),
( 'CreateProcessW' , 10 ),
],
}
# Now we can simply define a method for each hooked API.
# Methods beginning with "pre_" are called when entering the API,
# and methods beginning with "post_" when returning from the API.
def pre_CreateProcessA( self, event, ra, lpApplicationName, lpCommandLine, lpProcessAttributes, lpThreadAttributes,
bInheritHandles, dwCreationFlags, lpEnvironment, lpCurrentDirectory, lpStartupInfo,
lpProcessInformation):
if dev:
self.__print_ansi( event, "CreateProcessA", lpApplicationName )
def pre_CreateProcessW( self, event, ra, lpApplicationName, lpCommandLine, lpProcessAttributes, lpThreadAttributes,
bInheritHandles, dwCreationFlags, lpEnvironment, lpCurrentDirectory, lpStartupInfo,
lpProcessInformation):
if dev:
self.__print_unicode( event, "CreateProcessW", lpApplicationName )
def post_CreateProcessA( self, event, retval ):
if dev:
print "XP:", xp
if xp:
time.sleep(3)
pid = find_hook_pid("explorer.exe")
if pid > 0:
monitor("explorer.exe", pid)
def post_CreateProcessW( self, event, retval ):
if dev:
print "XP:", xp
if xp:
time.sleep(3)
pid = find_hook_pid()
if pid > 0:
monitor("explorer.exe", pid)
def pre_CreateFileA( self, event, ra, lpFileName, dwDesiredAccess,
dwShareMode, lpSecurityAttributes, dwCreationDisposition,
dwFlagsAndAttributes, hTemplateFile ):
if dev:
self.__print_ansi( event, "CreateFileA", lpFileName )
if int(dwCreationDisposition) == 3:
fname = event.get_process().peek_string( lpFileName, fUnicode = False )
if fname.lower().find("vssadmin") >= 0:
pid = find_hook_pid("explorer.exe")
time.sleep(3)
if pid > 0:
monitor("explorer.exe", pid)
if fname.find(".sifreli") >= 0 or fname.find(".encrypted") >=0:
if dev:
if turkish:
print u"[*] Cryptolocker tespit edildi! ->", fname
else:
print "[*] Cryptolocker has detected! ->", fname
pid = event.get_pid()
pname = event.get_process().get_filename()
pname = pname.split("\\")[2]
proc = "(" + pname + ":" + str(pid) + ")"
if turkish:
txt = u"[*] Cryptolocker tespit edildi! " + proc
log(txt)
print u"[*] Cryptolocker tespit edildi! " + proc
else:
txt = "[*] Cryptolocker has detected! " + proc
log(txt)
print "[*] Cryptolocker has detected! " + proc
kill_cryptolocker(pname, pid)
def pre_CreateFileW( self, event, ra, lpFileName, dwDesiredAccess,
dwShareMode, lpSecurityAttributes, dwCreationDisposition,
dwFlagsAndAttributes, hTemplateFile ):
if dev:
self.__print_unicode( event, "CreateFileA", lpFileName )
if int(dwCreationDisposition) == 3:
fname = event.get_process().peek_string( lpFileName, fUnicode = True )
if fname.lower().find("vssadmin") >= 0:
pid = find_hook_pid("explorer.exe")
time.sleep(3)
if pid > 0:
monitor("explorer.exe", pid)
if fname.find(".sifreli") >= 0 or fname.find(".encrypted") >=0:
if dev:
if turkish:
print u"[*] Cryptolocker tespit edildi! ->", fname
else:
print "[*] Cryptolocker has detected! ->", fname
pid = event.get_pid()
pname = event.get_process().get_filename()
pname = pname.split("\\")[2]
proc = "(" + pname + ":" + str(pid) + ")"
if turkish:
txt = u"[*] Cryptolocker tespit edildi! " + proc
log(txt)
print u"[*] Cryptolocker tespit edildi! " + proc
else:
txt = "[*] Cryptolocker has detected! " + proc
log(txt)
print "[*] Cryptolocker has detected! " + proc
kill_cryptolocker(pname, pid)
# Some helper private methods...
def __print_ansi( self, event, tag, pointer ):
string = event.get_process().peek_string( pointer, fUnicode = False )
tid = event.get_tid()
print "%d: %s: %s" % (tid, tag, string)
def __print_unicode( self, event, tag, pointer ):
string = event.get_process().peek_string( pointer, fUnicode = True )
tid = event.get_tid()
print "%d: %s: %s" % (tid, tag, string)
def find_hook_pid( procname ):
global gpid
global xp
global oldpid
s = System()
s.request_debug_privileges()
try:
s.scan_processes()
s.scan_process_filenames()
except WindowsError:
s.scan_processes_fast()
pid_list = s.get_process_ids()
pid_list.sort(reverse=True)
if not pid_list:
print "Unknown error enumerating processes!"
# s = raw_input()
sys.exit(1)
for pid in pid_list:
p = s.get_process(pid)
fileName = p.get_filename()
fname = str(fileName).lower()
if dev:
print "Process:", fname, "Pid:", pid
if fname.find(procname) >= 0:
if int(pid) != int(gpid):
oldpid = gpid
gpid = pid
if procname.find("svchost.exe") >= 0:
gpid = int(get_svchost_pid())
return gpid
elif procname.find("explorer.exe") >= 0:
gpid = int(get_explorer_pid())
return gpid
else:
return pid
return 0
def banner():
cls()
print "==========================================================="
print "Cryptokiller v1.0 [https://www.mertsarica.com/cryptokiller]"
print "==========================================================="
def usage():
if turkish:
print u"Kullanım: python cryptokiller.py [hidden] \n"
else:
print "Usage: python cryptokiller.py [hidden]\n"
debug = Debug( MyEventHandler() )
def monitor( procname, pid ):
if dev:
if turkish:
print procname + ":" + str(pid)
else:
print procname + ":" + str(pid)
# Instance a Debug object.
if pid > 0:
# debug = Debug( MyEventHandler() )
try:
debug.stop(True)
# Attach to a running process.
debug.attach( pid )
# Wait for the debugee to finish.
debug.loop()
# Stop the debugger.
finally:
debug.stop()
def main():
import sys
global turkish
try:
if dev:
print "Locale:", locale.getdefaultlocale()[0]
if locale.getdefaultlocale()[0].lower() == "tr_tr":
turkish = 0
except:
turkish = 0
banner()
if isUserAdmin() == 0:
if turkish:
print "[*] Bu aracı yönetici yetkisi (administrator) yetkisi ile çalıştırmanız gerekmektedir."
else:
print "[*] You must have an administrator privilege."
sys.exit(1)
if turkish:
txt = u"[*] Cryptolocker tespit ve önleme aracı devrede..."
log(txt)
print u"[*] Cryptolocker tespit ve önleme aracı devrede..."
else:
txt = "[*] Monitoring your system against Cryptolocker..."
log(txt)
print "[*] Monitoring your system against Cryptolocker..."
try:
if xp:
monitor("explorer.exe", find_hook_pid("explorer.exe"))
else:
monitor("svchost.exe", find_hook_pid("svchost.exe"))
except KeyboardInterrupt:
try:
thread1.stop()
except:
pass
debug.stop()
sys.exit(1)
thread1.stop()
debug.stop()
sys.exit(1)
# When invoked from the command line,
# the first argument is a process ID,
# the second argument is a DLL filename.
if __name__ == "__main__":
global thread1
if len(sys.argv) == 2:
if sys.argv[1].lower() == "hidden":
root.withdraw()
root.title("Cryptokiller - https://www.mertsarica.com/cryptokiller")
sb = Scrollbar(root)
sb.pack(side="right", fill="y")
text = ThreadSafeText(root)
text.pack()
text['yscrollcommand'] = sb.set
sb['command'] = text.yview
sys.stdout = Std_redirector(text)
sys.stderr = Std_redirector(text)
sys.stdin = Std_redirector(text)
sys.excepthook = excepthook
try:
thread1 = threading.Thread(target=main)
thread1.start()
root.mainloop()
except KeyboardInterrupt:
thread1._Thread__stop()
debug.stop()
sys.exit(1)
debug.stop()
sys.exit(1)