NetExec/nxc/modules/keepass_discover.py

79 lines
4.0 KiB
Python

from csv import reader
class NXCModule:
"""
Search for KeePass-related files and process
Module by @d3lb3
Inspired by @harmj0y https://raw.githubusercontent.com/GhostPack/KeeThief/master/PowerShell/KeePassConfig.ps1
"""
name = "keepass_discover"
description = "Search for KeePass-related files and process."
supported_protocols = ["smb"]
opsec_safe = True # only legitimate commands are executed on the remote host (search process and files)
multiple_hosts = True
def __init__(self):
self.search_type = "ALL"
self.search_path = "'C:\\Users\\','$env:PROGRAMFILES','env:ProgramFiles(x86)'"
def options(self, context, module_options):
"""
SEARCH_TYPE Specify what to search, between:
PROCESS Look for running KeePass.exe process only
FILES Look for KeePass-related files (KeePass.config.xml, .kdbx, KeePass.exe) only, may take some time
ALL Look for running KeePass.exe process and KeePass-related files (default)
SEARCH_PATH Comma-separated remote locations where to search for KeePass-related files (you must add single quotes around the paths if they include spaces)
Default: 'C:\\Users\\','$env:PROGRAMFILES','env:ProgramFiles(x86)'
"""
if "SEARCH_PATH" in module_options:
self.search_path = module_options["SEARCH_PATH"]
if "SEARCH_TYPE" in module_options:
self.search_type = module_options["SEARCH_TYPE"]
def on_admin_login(self, context, connection):
if self.search_type == "ALL" or self.search_type == "PROCESS":
# search for keepass process
search_keepass_process_command_str = 'powershell.exe "Get-Process kee* -IncludeUserName | Select-Object -Property Id,UserName,ProcessName | ConvertTo-CSV -NoTypeInformation"'
search_keepass_process_output_csv = connection.execute(search_keepass_process_command_str, True) # we return the powershell command as a CSV for easier column parsing
csv_reader = reader(search_keepass_process_output_csv.split("\n"), delimiter=",")
next(csv_reader) # to skip the csv header line
row_number = 0 # as csv_reader is an iterator we can't get its length without exhausting it
for row in csv_reader:
row_number += 1
keepass_process_id = row[0]
keepass_process_username = row[1]
keepass_process_name = row[2]
context.log.highlight(
'Found process "{}" with PID {} (user {})'.format(
keepass_process_name,
keepass_process_id,
keepass_process_username,
)
)
if row_number == 0:
context.log.display("No KeePass-related process was found")
# search for keepass-related files
if self.search_type == "ALL" or self.search_type == "FILES":
search_keepass_files_payload = "Get-ChildItem -Path {} -Recurse -Force -Include ('KeePass.config.xml','KeePass.exe','*.kdbx') -ErrorAction SilentlyContinue | Select FullName -ExpandProperty FullName".format(self.search_path)
search_keepass_files_cmd = 'powershell.exe "{}"'.format(search_keepass_files_payload)
search_keepass_files_output = connection.execute(search_keepass_files_cmd, True).split("\r\n")
found = False
found_xml = False
for file in search_keepass_files_output:
if "KeePass" in file or "kdbx" in file:
if "xml" in file:
found_xml = True
found = True
context.log.highlight("Found {}".format(file))
if not found:
context.log.display("No KeePass-related file were found")
elif not found_xml:
context.log.fail("No config settings file found !!!")