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hashdb.py
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hashdb.py
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########################################################################################
##
## This plugin is the client for the HashDB lookup service operated by OALABS:
##
## https://hashdb.openanalysis.net/
##
## _ _ _ ____________
## | | | | | | | _ \ ___ \
## | |_| | __ _ ___| |__ | | | | |_/ /
## | _ |/ _` / __| '_ \| | | | ___ \
## | | | | (_| \__ \ | | | |/ /| |_/ /
## \_| |_/\__,_|___/_| |_|___/ \____/
##
## HashDB is a community-sourced library of hashing algorithms used in malware.
## New hash algorithms can be added here: https://github.com/OALabs/hashdb
##
## Updated for IDA 7.xx and Python 3
##
## To install:
## Copy script into plugins directory, i.e: C:\Program Files\<ida version>\plugins
##
## To run:
## Configure Settings:
## Edit->Plugins->HashDB
## click `Refresh Algorithms` to pull a list of hash algorithms
## select the hash algorithm you need from the drop-down
## OK
## Lookup Hash:
## Highlight constant in IDA disassembly or psuedocode view
## Right-click -> HashDB Lookup
## If a hash is found it will be added to an enum controlled in the settings
## Right-click on the constant again -> Enum -> Select new hash enum
##
########################################################################################
__AUTHOR__ = '@herrcore'
PLUGIN_NAME = "HashDB"
PLUGIN_HOTKEY = 'Alt+`'
VERSION = '1.8.0'
import sys
import idaapi
import idc
import ida_kernwin
import ida_name
import ida_enum
import ida_bytes
import ida_netnode
import ida_typeinf
# Imports for the exception handler
import traceback
import json
import webbrowser
import urllib.parse
#--------------------------------------------------------------------------
# IDA Python version madness
#--------------------------------------------------------------------------
major, minor = map(int, idaapi.get_kernel_version().split("."))
assert (major > 6),"ERROR: HashDB plugin requires IDA v7+"
assert (sys.version_info >= (3, 5)), "ERROR: HashDB plugin requires Python 3.5"
#--------------------------------------------------------------------------
# Global exception hook to detect plugin exceptions until
# we implement a proper test-driven development setup
# Note: minimum Python version support is 3.5
#--------------------------------------------------------------------------
HASHDB_REPORT_BUG_URL = "https://github.com/OALabs/hashdb-ida/issues/new"
def hashdb_exception_hook(exception_type, value, traceback_object):
is_hashdb_exception = False
frame_data = {
"user_data": {
"platform": sys.platform,
"python_version": '.'.join([str(sys.version_info.major), str(sys.version_info.minor), str(sys.version_info.micro)]),
"plugin_version": VERSION,
"ida": {
"kernel_version": ida_kernwin.get_kernel_version(),
"bits": 32 if not idaapi.get_inf_structure().is_64bit() else 64
}
},
"exception_data": {
"exception_type": exception_type.__name__,
"exception_value": str(value)
},
"frames": []}
frame_summaries = traceback.StackSummary.extract(traceback.walk_tb(traceback_object), capture_locals=True)
for frame_index, frame_summary in enumerate(frame_summaries):
file_name = frame_summary.filename
if "__file__" in globals():
if not file_name == __file__:
continue
is_hashdb_exception = True
# Save frame data
frame_data["frames"].append({
"frame_index": frame_index,
"line_number": frame_summary.lineno,
"function_name": frame_summary.name,
"line": frame_summary.line,
"locals": frame_summary.locals
})
if is_hashdb_exception:
class crash_detection_form(ida_kernwin.Form):
def __init__(self):
form = "BUTTON YES* Yes\nBUTTON CANCEL No\nHashDB Error!\n\n{format}"
controls = {
"format": super().StringLabel(
"""<center>
<p style="margin: 0; font-size: 20px; color: #F44336"><b>HashDB has detected an internal error.</b><p>
<p style="margin: 0; font-size: 12px">Would you like to submit a stack trace to the developers?</p>
<ol style="font-size: 11px; text-align: left">
<li>Selecting "Yes" will open a feedback dialogue and redirect you to:
<p style="margin: 0 4px 0 0;"><b><i>github.com/OALabs/hashdb-ida</i></b></p>
</li>
<li>All personally identifiable information will be removed.</li>
<li>Afterwards, you will be asked if you want to unload the plugin.</li>
</ol>
</center>""", super().FT_HTML_LABEL)
}
super().__init__(form, controls)
# Compile
self.Compile()
# Execute the crash detection form on the main thread
crash_form = crash_detection_form()
crash_button_selected = ida_kernwin.execute_sync(crash_form.Execute, ida_kernwin.MFF_FAST)
crash_form.Free()
# Did the user allow us to submit a request?
if crash_button_selected == 1: # Yes button
# Setup the body
body = "## Steps to reproduce:\n1. \n\n## Stack trace:\n```\n{}\n```".format(json.dumps(frame_data))
# Open the tab
global HASHDB_REPORT_BUG_URL
webbrowser.open_new_tab(HASHDB_REPORT_BUG_URL + "?" + urllib.parse.urlencode({
"title": "[BUG]: ",
"body": body
}))
# Ask the user if they want to terminate the plugin
class unload_plugin_form(ida_kernwin.Form):
def __init__(self):
form = "BUTTON YES* Yes\nBUTTON CANCEL No\nHashDB\n\n{format}"
controls = {
"format": super().StringLabel(
"""<center>
<p style="margin: 0; font-size: 20px; color: #F44336"><b>Would you like to unload the plugin?</b><p>
<p>This action will make the plugin unusable until IDA is restarted.</p>
</center>""", super().FT_HTML_LABEL)
}
super().__init__(form, controls)
# Compile
self.Compile()
unload_form = unload_plugin_form()
unload_button_selected = ida_kernwin.execute_sync(unload_form.Execute, ida_kernwin.MFF_FAST)
unload_form.Free()
if unload_button_selected == 1: # Yes button
global HASHDB_PLUGIN_OBJECT
ida_kernwin.execute_sync(HASHDB_PLUGIN_OBJECT.term, ida_kernwin.MFF_FAST)
sys.__excepthook__(exception_type, value, traceback_object)
sys.excepthook = hashdb_exception_hook
# Rest of the imports
import re
import functools
import requests
from typing import Union
# These imports are specific to the Worker implementation
import inspect
import logging
import threading
from threading import Thread
from dataclasses import dataclass, field
from typing import Callable
#--------------------------------------------------------------------------
# Global settings/variables
#--------------------------------------------------------------------------
HASHDB_API_URL ="https://hashdb.openanalysis.net"
HASHDB_USE_XOR = False
HASHDB_XOR_VALUE = 0
HASHDB_ALGORITHM = None
HASHDB_ALGORITHM_SIZE = 0
ENUM_PREFIX = "hashdb_strings"
NETNODE_NAME = "$hashdb"
# Variables for async operations
HASHDB_REQUEST_TIMEOUT = 15 # Limit to 15 seconds
HASHDB_REQUEST_LOCK = threading.Lock()
#--------------------------------------------------------------------------
# Setup Icon
#--------------------------------------------------------------------------
HASH_ICON_DATA = b"".join([b'\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x10\x00\x00\x00\x10\x08',
b'\x04\x00\x00\x00\xb5\xfa7\xea\x00\x00\x00\x04gAMA\x00\x00\xb1\x8f\x0b\xfca',
b'\x05\x00\x00\x00 cHRM\x00\x00z&\x00\x00\x80\x84\x00\x00\xfa\x00\x00\x00\x80',
b'\xe8\x00\x00u0\x00\x00\xea`\x00\x00:\x98\x00\x00\x17p\x9c\xbaQ<\x00\x00\x00',
b'\x02bKGD\x00\xff\x87\x8f\xcc\xbf\x00\x00\x00\tpHYs\x00\x00\x0b\x13\x00\x00',
b'\x0b\x13\x01\x00\x9a\x9c\x18\x00\x00\x00\x07tIME\x07\xe5\t\x18\x12\x18(\xba',
b'\xecz-\x00\x00\x01#IDAT(\xcfm\xd1\xbdJ\x9ba\x18\xc6\xf1_\xde<\xd5d\x08\xc1',
b'\xb46\x967!\x1d,\x88\xd0\xa1P\xe8\x01\x14\x0c\xb8\xbbt\xa9\xa3\x07\xd0\xb9',
b'\xab \x1e\x83s\x87R\xa4]K\xe8".*NEpJZL\x9b\xa2V\x90\xc6\xa4\xc6\xc7%\x92\xa0',
b'\xfe\xd7\xeb\xe6\xe6\xfa`\x9c\x8c\x82\x04\xe4\xe4\xdd\xc3\xb4\x0fV\x95\xf0',
b'\xd6\x17\x0bw\x0f\xeaz\xf6<\xf4\xc0\xa6h\x05\xc3\x877,\x98\xf0\xd5\xb1g^i\xfb',
b'\x06\x01AY\x10\x15\xbdv\xe9\xbb\x19\x8bf4\x0c\xa4~g\x90\xfa\xa8\xeaJ\xd6c\x89',
b'\x8e\xbe\xa2\xa2s\x7f\xb5\xbcI\xc6\x12\x94\x04\'\xfa\xf2\x8azNen\xa4\xac\'*^8',
b'\xd0\xb5\xa4\xec\xbd\xe8\xb3\xa7\xaaR!\x08\xca\x12\x03\xb3j\x9a\x0e\xe5\xbc',
b'\xc4\x8e\xbe\xa8c@\xcd\x96\x9f\x9a\xfe\x88\xbaZZ.D\x1d?lKG1\'\x94\\:\x11M\x99t',
b'\xa6;r\x10\xa4*\x96\xfd\xb7\xef\xb9Y\r\xd1;\xa9\x9aT\x18U\xb4&Z\xc7\x9c#m\xf3',
b'\xb7+~dOO\x1d+\xa2M\x93#);\xdc\xae\xec\x97\r\xff\x94L\xf9d\xf7\xeeL\x89\xc2',
b'\xd0V^n\\\xb8\x06\xd6\xa1L\xe6_H\xbf\xfc\x00\x00\x00%tEXtdate:create\x00202',
b'1-09-24T18:24:40+00:00\xd7;f\xf5\x00\x00\x00%tEXtdate:modify\x002021-09-24T',
b'18:24:40+00:00\xa6f\xdeI\x00\x00\x00WzTXtRaw profile type iptc\x00\x00x\x9c',
b'\xe3\xf2\x0c\x08qV((\xcaO\xcb\xccI\xe5R\x00\x03#\x0b.c\x0b\x13#\x13K\x93\x14',
b'\x03\x13 D\x804\xc3d\x03#\xb3T \xcb\xd8\xd4\xc8\xc4\xcc\xc4\x1c\xc4\x07\xcb',
b'\x80H\xa0J.\x00\xea\x17\x11t\xf2B5\x95\x00\x00\x00\x00IEND\xaeB`\x82'])
HASH_ICON = ida_kernwin.load_custom_icon(data=HASH_ICON_DATA, format="png")
XOR_ICON_DATA = b"".join([b'\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x10\x00\x00\x00\x10\x08\x04',
b'\x00\x00\x00\xb5\xfa7\xea\x00\x00\x00\x04gAMA\x00\x00\xb1\x8f\x0b\xfca\x05\x00',
b'\x00\x00 cHRM\x00\x00z&\x00\x00\x80\x84\x00\x00\xfa\x00\x00\x00\x80\xe8\x00\x00',
b'u0\x00\x00\xea`\x00\x00:\x98\x00\x00\x17p\x9c\xbaQ<\x00\x00\x00\x02bKGD\x00\xff',
b'\x87\x8f\xcc\xbf\x00\x00\x00\tpHYs\x00\x00\x0b\x13\x00\x00\x0b\x13\x01\x00\x9a',
b'\x9c\x18\x00\x00\x00\x07tIME\x07\xe5\t\x18\x12\x0b";\xd6\xd2\xa1\x00\x00\x00\xc3',
b'IDAT(\xcf\xa5\xd01N\x02\x01\x14\x04\xd0\x07B01\x9a\x10b\x89%\t\x8dg\xa0\xd0f-\xb8',
b'\x80x\x86\x8d\r\xd9#X\xee\x05(\x94\x0b\xd0\xd0@A\xcb\t4\xdb\x98\xd8Z\x90\xacv\x82',
b'Z,\xac\xab1P0\xdd\xfc\xcc\x9f\xcc\x0c\xfb\xa2\xf4\x8bU\x9c \xb5\xfcOPu\xe9F\x0b',
b'\x89{\x13\x1f\xd9\xf9 \xff\xbd\x15\x99;\xf2.\x11\xaa\x99\xfb,\x9a_y\x12 \x16#X3',
b'\x94\xd7>\xd7F\xc6\xb9|l\xa4\x97\xb9g\x19\xea\xa6^=*\xe9`\xe6K\xdb\xa9\x0b\x8b',
b'\x8d\xc3\x16T@*\xf1\xa2\x8f\x18!\xee\x9cI\x7f2\xac\x0cu7\xb1\x10\xe8z\xb0*\xd6',
b'|v(\xd2\xd4\xd6p.40\xccj\xee\x1c\xea\xef\xd4\xc7x+N\xbd?\xbe\x01\xa7\xee.6\xd9',
b'\xf6\xa5\xd2\x00\x00\x00%tEXtdate:create\x002021-09-24T18:11:34+00:00Vz\xe6\xba',
b'\x00\x00\x00%tEXtdate:modify\x002021-09-24T18:11:34+00:00\'\'^\x06\x00\x00\x00',
b'WzTXtRaw profile type iptc\x00\x00x\x9c\xe3\xf2\x0c\x08qV((\xcaO\xcb\xccI\xe5R',
b'\x00\x03#\x0b.c\x0b\x13#\x13K\x93\x14\x03\x13 D\x804\xc3d\x03#\xb3T \xcb\xd8\xd4',
b'\xc8\xc4\xcc\xc4\x1c\xc4\x07\xcb\x80H\xa0J.\x00\xea\x17\x11t\xf2B5\x95\x00\x00',
b'\x00\x00IEND\xaeB`\x82'])
XOR_ICON = ida_kernwin.load_custom_icon(data=XOR_ICON_DATA, format="png")
HUNT_ICON_DATA = b"".join([b'\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x10\x00\x00\x00\x10\x08\x04',
b'\x00\x00\x00\xb5\xfa7\xea\x00\x00\x00\x04gAMA\x00\x00\xb1\x8f\x0b\xfca\x05\x00',
b'\x00\x00 cHRM\x00\x00z&\x00\x00\x80\x84\x00\x00\xfa\x00\x00\x00\x80\xe8\x00\x00u0',
b'\x00\x00\xea`\x00\x00:\x98\x00\x00\x17p\x9c\xbaQ<\x00\x00\x00\x02bKGD\x00\xff\x87',
b'\x8f\xcc\xbf\x00\x00\x00\tpHYs\x00\x00\x0b\x13\x00\x00\x0b\x13\x01\x00\x9a\x9c\x18',
b'\x00\x00\x00\x07tIME\x07\xe5\t\x1d\x10#"R\xd1XW\x00\x00\x01.IDAT(\xcf\x8d\xd1;K\x9b',
b'\x01\x18\xc5\xf1\x9fI\xa8C\xbd\xf1\x0e\xdd\xd2\xc5NJ\x07;h\xd5\xa1\xf1\x0bT\xd4M',
b'\x14//\x82\xad\x8b\x83\x93`\xf1\x02~\x84\x08-b\x1c\xea\xe6\xe2 \x08^\x9aAQ\x07\x87',
b'R\x9d:\x99Atx\x15\xab`\xbc\xd0\x0eitS\xcf\xf2\xc0\xe1\xf0\x1c\xf8\x9f\x12\x0f*Q!@',
b'\xe4\xdc\xdf\x07\xb3xkuz\xe7\x05\xae\xedY\xb0_\x08\x15\x02\t=\x06l\xdap\x89\x97Z4',
b'\xfbf\xde-\t\xd0#4\xa1J\xef\xff\x8aE\xab\xc60[\xf8\xf0\xd6W\x93\xde\xfb`\xce!^\xeb',
b'\x93\xb5\xed\x8b\x01\xbf\xe2\x18v\xe4T\xbbQ\xcd\xba\xa4\\I\xebw\xe0N\x8d\xb5\x98Ju~h',
b'\x93\xd1\xaa\xda\xb8q\xd5>\xcah\x93U\xa72&P\xeaB \xa7\xde\x8cA\x83f4\xc8\t\xfcQ*\x88yB',
b'\t\x91\xbc2\x91\xa4]\x9f\xa4\xf1\xd9\x8e\xa4H\xb9\xbc(.\xaf\xd6\x1b\xebBi\xaftK\xf9i',
b'\xc9\x88\xef\x1a\xe5,\xc7ql\xc8\x8a;\xa1UK\xb2n\x8c\xc8\xfa\xad\xcb\xb4\x93\x02\xc9PhJ',
b'\x95\x8e{Pg\xc6\xcc\x16A\x15Qo\xd9p\x812-\x9a\x8a\xa8\x9f9\xd6#s\xff\x03\xabm^\xab\xaf',
b'\xe8z\xc0\x00\x00\x00%tEXtdate:create\x002021-09-29T16:35:34+00:00\xf4Q\xb1\xe8\x00\x00',
b'\x00%tEXtdate:modify\x002021-09-29T16:35:34+00:00\x85\x0c\tT\x00\x00\x00WzTXtRaw prof',
b'ile type iptc\x00\x00x\x9c\xe3\xf2\x0c\x08qV((\xcaO\xcb\xccI\xe5R\x00\x03#\x0b.c\x0b',
b'\x13#\x13K\x93\x14\x03\x13 D\x804\xc3d\x03#\xb3T \xcb\xd8\xd4\xc8\xc4\xcc\xc4\x1c',
b'\xc4\x07\xcb\x80H\xa0J.\x00\xea\x17\x11t\xf2B5\x95\x00\x00\x00\x00IEND\xaeB`\x82'])
HUNT_ICON = ida_kernwin.load_custom_icon(data=HUNT_ICON_DATA, format="png")
SCAN_ICON_DATA = b"".join([b'\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x10\x00\x00\x00\x10\x08\x04\x00\x00',
b'\x00\xb5\xfa7\xea\x00\x00\x00\x04gAMA\x00\x00\xb1\x8f\x0b\xfca\x05\x00\x00\x00 cHRM',
b'\x00\x00z&\x00\x00\x80\x84\x00\x00\xfa\x00\x00\x00\x80\xe8\x00\x00u0\x00\x00\xea`\x00',
b'\x00:\x98\x00\x00\x17p\x9c\xbaQ<\x00\x00\x00\x02bKGD\x00\xff\x87\x8f\xcc\xbf\x00\x00',
b'\x00\tpHYs\x00\x00\x0b\x13\x00\x00\x0b\x13\x01\x00\x9a\x9c\x18\x00\x00\x00\x07tIME\x07',
b'\xe5\n\x08\x17\x1c\x04\xfd*<n\x00\x00\x01#IDAT(\xcfe\xd1\xb1K\xe2\x01\x18\xc6\xf1\x8f',
b'\xf6\xcb\xeb\xd0\x04\xc7 \xa8Ii\x89\xa2\xed~\x16\xc4m\xd6\xbf\xd0\x18\xed\xd1m\x07F-ECK',
b'\xa0K\xc49_\rACk\x10\xdc\x12\x04\x91qR\xd2\xd0PS\xd7\xa0h\x905\xe8\x85\xd9\xf7\x1d\xdfgx',
b'\xdf\xe7K\x9b@\xa8\xa8\xa2aO\x9f.\x02\x90\xb2l\xc9\x80\xb2s\'ZzH)i\xda\x17\x8a\x8b\x89',
b'\xf6\xae\xa3\xd65m\x88\xcbXud\xa57\x12z\xf0[\xc2\xbc\xaa\xbaK?{\x03EO\xa6e\\\xbb\x94',
b'\x93\xfcx"\xfc\xf5GB^MN\xca\x8a\x1f\x86\x0c\xf8\xda\x99\xfe\xc0\xb0s\xcf\xa6T\x9dZ\xb4',
b'\xe5\xc5\x82G-\x11Q-\xd5\xc0g^}1\xe9\x9f\x8aq\x13\x81;#b\xce|\x97\xb5\x8bW\xbf\xcc*)',
b'\xd8q,A\xe1\xfd\xc8\xb2\x9c\xa4\xa49W\xae\xa5\xcdxR t\xdfy\xf3F\xdd\x85\x0bu7\xe6\r:p/',
b'\xec.*-\xef\xd0\xa1\xbc\xb4\x84MMk\xedN\xfeW\x9d\x15\x17\x13\x13\x97u\xa0\xa9$E\xe4\x83',
b'\xac+\xb7\x185\xa6\xa1h\xdbc\xb7\xd5\xb6\xee\x9a\x9a\x8a\xa2o\x1d\xcf\xde\x00\x9fhY\xc0',
b'\x9b\x9d\xab^\x00\x00\x00%tEXtdate:create\x002021-10-08T23:28:04+00:00\xee\x90\xd3~\x00',
b'\x00\x00%tEXtdate:modify\x002021-10-08T23:28:04+00:00\x9f\xcdk\xc2\x00\x00\x00WzTXtRaw ',
b'profile type iptc\x00\x00x\x9c\xe3\xf2\x0c\x08qV((\xcaO\xcb\xccI\xe5R\x00\x03#\x0b.c\x0b',
b'\x13#\x13K\x93\x14\x03\x13 D\x804\xc3d\x03#\xb3T \xcb\xd8\xd4\xc8\xc4\xcc\xc4\x1c\xc4\x07',
b'\xcb\x80H\xa0J.\x00\xea\x17\x11t\xf2B5\x95\x00\x00\x00\x00IEND\xaeB`\x82'])
SCAN_ICON = ida_kernwin.load_custom_icon(data=SCAN_ICON_DATA, format="png")
#--------------------------------------------------------------------------
# Error class
#--------------------------------------------------------------------------
class HashDBError(Exception):
pass
#--------------------------------------------------------------------------
# Worker implementation
#--------------------------------------------------------------------------
@dataclass(unsafe_hash=True)
class Worker(Thread):
"""The worker implementation for multi-threading support."""
target: Callable
args: tuple = field(default_factory=tuple, compare=False)
done_callback: Callable = None
error_callback: Callable = None
def __post_init__(self):
"""Required to initialize the base class (Thread)."""
super().__init__(target=self.__wrapped_target, args=self.args, daemon=True)
def __wrapped_target(self, *args, **kwargs):
"""
Wraps the target function to allow callbacks and error handling.
@raise Exception: if an unhandled exception is encountered it will
be raised
"""
try:
# Execute the target
results = self.target(*args, **kwargs)
# Execute the done callback, if it exists
if self.done_callback is not None:
# Call the function based on the amount of arguments it expects
argument_spec = inspect.getfullargspec(self.done_callback)
argument_count = len(argument_spec.args)
if argument_count > 1:
self.done_callback(*results)
elif argument_count == 1 and results is not None:
self.done_callback(results)
else:
self.done_callback()
except Exception as exception:
# Execute the error callback, if it exits;
# otherwise raise the exception (unhandled)
if self.error_callback is not None:
# Call the function based on the amount of arguments it expects
argument_spec = inspect.getfullargspec(self.error_callback)
argument_count = len(argument_spec.args)
if argument_count == 1:
self.error_callback(exception)
else:
self.error_callback()
else:
raise exception
finally:
# Cleanup the callbacks (decrease reference counts)
if self.done_callback is not None:
del self.done_callback
if self.error_callback is not None:
del self.error_callback
#--------------------------------------------------------------------------
# HashDB API
#--------------------------------------------------------------------------
def get_algorithms(api_url='https://hashdb.openanalysis.net', timeout=None):
# Handle an empty timeout
global HASHDB_REQUEST_TIMEOUT
if timeout is None:
timeout = HASHDB_REQUEST_TIMEOUT
algorithms_url = api_url + '/hash'
r = requests.get(algorithms_url, timeout=timeout)
if not r.ok:
raise HashDBError("Get algorithms API request failed, status %s" % r.status_code)
results = r.json()
algorithms = []
for algorithm in results.get('algorithms',[]):
size = determine_algorithm_size(algorithm.get('type', None))
if size == 'Unknown':
idaapi.msg("ERROR: Unknown algorithm type encountered when fetching algorithms: %s" % size)
algorithms.append([algorithm.get('algorithm'), size])
return algorithms
def get_strings_from_hash(algorithm, hash_value, xor_value=0, api_url='https://hashdb.openanalysis.net', timeout=None):
# Handle an empty timeout
global HASHDB_REQUEST_TIMEOUT
if timeout is None:
timeout = HASHDB_REQUEST_TIMEOUT
hash_value ^= xor_value
hash_url = api_url + '/hash/%s/%d' % (algorithm, hash_value)
r = requests.get(hash_url, timeout=timeout)
if not r.ok:
raise HashDBError("Get hash API request failed, status %s" % r.status_code)
results = r.json()
# Remove null bytes from non-api strings
hashes = results.get('hashes',[])
out_hashes = []
for hash_info in hashes:
if not hash_info.get('string',{}).get('is_api',True):
hash_info['string']['string'] = hash_info['string']['string'].replace('\x00','')
out_hashes.append(hash_info)
return {'hashes':out_hashes}
def get_module_hashes(module_name, algorithm, permutation, api_url='https://hashdb.openanalysis.net', timeout=None):
# Handle an empty timeout
global HASHDB_REQUEST_TIMEOUT
if timeout is None:
timeout = HASHDB_REQUEST_TIMEOUT
module_url = api_url + '/module/%s/%s/%s' % (module_name, algorithm, permutation)
r = requests.get(module_url, timeout=timeout)
if not r.ok:
raise HashDBError("Get hash API request failed, status %s" % r.status_code)
results = r.json()
return results
def hunt_hash(hash_value, api_url='https://hashdb.openanalysis.net', timeout = None):
# Handle an empty timeout
global HASHDB_REQUEST_TIMEOUT
if timeout is None:
timeout = HASHDB_REQUEST_TIMEOUT
matches = []
hash_list = [hash_value]
module_url = api_url + '/hunt'
r = requests.post(module_url, json={"hashes": hash_list}, timeout=timeout)
if not r.ok:
print(module_url)
print(hash_list)
print(r.json())
raise HashDBError("Get hash API request failed, status %s" % r.status_code)
for hit in r.json().get('hits',[]):
algo = hit.get('algorithm',None)
if (algo != None) and (algo not in matches):
matches.append(algo)
return matches
#--------------------------------------------------------------------------
# Save and restore settings
#--------------------------------------------------------------------------
def load_settings():
global HASHDB_API_URL
global HASHDB_USE_XOR, HASHDB_XOR_VALUE
global HASHDB_ALGORITHM, ENUM_PREFIX
global NETNODE_NAME
node = ida_netnode.netnode(NETNODE_NAME)
if ida_netnode.exist(node):
if bool(node.hashstr("HASHDB_API_URL")):
HASHDB_API_URL = node.hashstr("HASHDB_API_URL")
if bool(node.hashstr("HASHDB_USE_XOR")):
if node.hashstr("HASHDB_USE_XOR").lower() == "true":
HASHDB_USE_XOR = True
else:
HASHDB_USE_XOR = False
if bool(node.hashstr("HASHDB_XOR_VALUE")):
HASHDB_XOR_VALUE = int(node.hashstr("HASHDB_XOR_VALUE"))
if bool(node.hashstr("HASHDB_ALGORITHM")) and bool(node.hashstr("HASHDB_ALGORITHM_SIZE")):
successful = set_algorithm(node.hashstr("HASHDB_ALGORITHM"), node.hashstr("HASHDB_ALGORITHM_SIZE"))
if not successful:
idaapi.msg("HashDB failed to set the algorithm when parsing the saved config!\n")
if bool(node.hashstr("ENUM_PREFIX")):
ENUM_PREFIX = node.hashstr("ENUM_PREFIX")
idaapi.msg("HashDB configuration loaded!\n")
else:
idaapi.msg("No saved HashDB configuration\n")
return
def save_settings():
global HASHDB_API_URL
global HASHDB_USE_XOR, HASHDB_XOR_VALUE
global HASHDB_ALGORITHM, ENUM_PREFIX
global NETNODE_NAME
# Check if our netnode already exists, otherwise create a new one
node = ida_netnode.netnode(NETNODE_NAME)
if not ida_netnode.exist(node):
node = ida_netnode.netnode()
if not node.create(NETNODE_NAME):
idaapi.msg("ERROR: Unable to save HashDB settings, failed to create the netnode.\n")
return
if HASHDB_API_URL != None:
node.hashset_buf("HASHDB_API_URL", str(HASHDB_API_URL))
if HASHDB_USE_XOR != None:
node.hashset_buf("HASHDB_USE_XOR", str(HASHDB_USE_XOR))
if HASHDB_XOR_VALUE != None:
node.hashset_buf("HASHDB_XOR_VALUE", str(HASHDB_XOR_VALUE))
if HASHDB_ALGORITHM != None:
node.hashset_buf("HASHDB_ALGORITHM", str(HASHDB_ALGORITHM))
if HASHDB_ALGORITHM_SIZE != None:
node.hashset_buf("HASHDB_ALGORITHM_SIZE", str(HASHDB_ALGORITHM_SIZE))
if ENUM_PREFIX != None:
node.hashset_buf("ENUM_PREFIX", str(ENUM_PREFIX))
idaapi.msg("HashDB settings saved\n")
#--------------------------------------------------------------------------
# Settings form
#--------------------------------------------------------------------------
class hashdb_settings_t(ida_kernwin.Form):
"""Global settings form for hashdb"""
class algorithm_chooser_t(ida_kernwin.Choose):
"""
A simple chooser to be used as an embedded chooser
"""
def __init__(self, algo_list):
ida_kernwin.Choose.__init__(
self,
"",
[
["Algorithm", 15],
["Size (Bits)", 5]
],
flags=0,
embedded=True,
width=30,
height=6)
self.items = algo_list
self.icon = None
def OnGetLine(self, n):
return self.items[n]
def OnGetSize(self):
return len(self.items)
def __init__(self, algorithms):
self.__n = 0
F = ida_kernwin.Form
F.__init__(self,
r"""BUTTON YES* Ok
BUTTON CANCEL Cancel
HashDB Settings
{FormChangeCb}
<##API URL :{iServer}>
<##Enum Prefix :{iEnum}>
<Enable XOR:{rXor}>{cXorGroup}> | <##:{iXor}>(hex)
<Select algorithm :{cAlgoChooser}><Refresh Algorithms:{iBtnRefresh}>
""", { 'FormChangeCb': F.FormChangeCb(self.OnFormChange),
'iServer': F.StringInput(),
'iEnum': F.StringInput(),
'cXorGroup': F.ChkGroupControl(("rXor",)),
'iXor': F.NumericInput(tp=F.FT_RAWHEX),
'cAlgoChooser' : F.EmbeddedChooserControl(hashdb_settings_t.algorithm_chooser_t(algorithms)),
'iBtnRefresh': F.ButtonInput(self.OnBtnRefresh),
})
def OnBtnRefresh(self, code=0):
api_url = self.GetControlValue(self.iServer)
algorithms = []
try:
ida_kernwin.show_wait_box("HIDECANCEL\nPlease wait...")
algorithms = get_algorithms(api_url=api_url)
except Exception as e:
idaapi.msg("ERROR: HashDB API request failed: %s\n" % e)
finally:
ida_kernwin.hide_wait_box()
# Sort the algorithms by algorithm name (lowercase)
sorted_algorithms = sorted(algorithms, key = lambda algorithm: algorithm[0].lower())
self.cAlgoChooser.chooser.items = sorted_algorithms
self.RefreshField(self.cAlgoChooser)
def OnFormChange(self, fid):
if fid == -1:
# Form is initialized
# Hide Xor input if dissabled
if self.GetControlValue(self.cXorGroup) == 1:
self.EnableField(self.iXor, True)
else:
self.EnableField(self.iXor, False)
self.SetFocusedField(self.cAlgoChooser)
elif fid == self.cXorGroup.id:
if self.GetControlValue(self.cXorGroup) == 1:
self.EnableField(self.iXor, True)
else:
self.EnableField(self.iXor, False)
else:
pass
#print("Unknown fid %r" % fid)
return 1
@staticmethod
def show(api_url="https://hashdb.openanalysis.net",
enum_prefix="hashdb_strings",
use_xor=False,
xor_value=0,
algorithms=[]):
global HASHDB_API_URL
global HASHDB_USE_XOR
global HASHDB_XOR_VALUE
global HASHDB_ALGORITHM
global ENUM_PREFIX
# Sort the algorithms
sorted_algorithms = sorted(algorithms, key = lambda algorithm: algorithm[0].lower())
f = hashdb_settings_t(sorted_algorithms)
f, args = f.Compile()
# Set default values
f.iServer.value = api_url
f.iEnum.value = enum_prefix
if use_xor:
f.rXor.checked = True
else:
f.rXor.checked = False
f.iXor.value = xor_value
# Show form
ok = f.Execute()
if ok == 1:
# Save default settings first
HASHDB_USE_XOR = f.rXor.checked
HASHDB_XOR_VALUE = f.iXor.value
HASHDB_API_URL = f.iServer.value
ENUM_PREFIX = f.iEnum.value
# Check if algorithm is selected
if f.cAlgoChooser.selection == None:
# No algorithm selected bail!
idaapi.msg("HashDB: No algorithm selected!\n")
f.Free()
return False
# Set the algorithm
algorithm = f.cAlgoChooser.chooser.items[f.cAlgoChooser.selection[0]]
set_algorithm(algorithm[0], algorithm[1]) # Error messages handled inside of set_algorithm
f.Free()
return True
else:
f.Free()
return False
#--------------------------------------------------------------------------
# Hash collision select form
#--------------------------------------------------------------------------
class match_select_t(ida_kernwin.Form):
"""Simple form to select string match during hash collision"""
def __init__(self, collision_strings):
self.__n = 0
F = ida_kernwin.Form
F.__init__(self,
r"""BUTTON YES* Ok
HashDB Hash Collision
{FormChangeCb}
More than one string matches this hash!
<Select the correct string :{cbCollisions}>
""", { 'FormChangeCb': F.FormChangeCb(self.OnFormChange),
'cbCollisions': F.DropdownListControl(
items=collision_strings,
readonly=True,
selval=0),
})
def OnFormChange(self, fid):
if fid == -1:
# Form is initialized
self.SetFocusedField(self.cbCollisions)
elif fid == self.cbCollisions.id:
sel_idx = self.GetControlValue(self.cbCollisions)
else:
pass
#print("Unknown fid %r" % fid)
return 1
@staticmethod
def show(collision_strings):
global HASHDB_API_URL
global HASHDB_USE_XOR
global HASHDB_XOR_VALUE
global HASHDB_ALGORITHM
f = match_select_t(collision_strings)
f, args = f.Compile()
# Show form
ok = f.Execute()
if ok == 1:
string_selection = f.cbCollisions[f.cbCollisions.value]
f.Free()
return string_selection
else:
f.Free()
return None
#--------------------------------------------------------------------------
# Hash hunt results form
#--------------------------------------------------------------------------
class hunt_result_form_t(ida_kernwin.Form):
class algorithm_chooser_t(ida_kernwin.Choose):
"""
A simple chooser to be used as an embedded chooser
"""
def __init__(self, algo_list):
ida_kernwin.Choose.__init__(
self,
"",
[
["Algorithm", 10],
["Size (Bits)", 5]
],
flags=0,
embedded=True,
width=30,
height=6)
self.items = algo_list
self.icon = None
def OnGetLine(self, n):
return self.items[n]
def OnGetSize(self):
return len(self.items)
def __init__(self, algo_list, msg):
self.invert = False
F = ida_kernwin.Form
F.__init__(
self,
r"""BUTTON YES* OK
Matched Algorithms
{FormChangeCb}
{cStrStatus}
<:{cAlgoChooser}>
""", {
'cStrStatus': F.StringLabel(msg),
'FormChangeCb': F.FormChangeCb(self.OnFormChange),
'cAlgoChooser' : F.EmbeddedChooserControl(hunt_result_form_t.algorithm_chooser_t(algo_list))
})
def OnFormChange(self, fid):
if fid == -1:
# Hide algorithm chooser if empty
if self.cAlgoChooser.chooser.items == []:
self.ShowField(self.cAlgoChooser, False)
return 1
def show(algo_list):
global HASHDB_API_URL
global HASHDB_USE_XOR
global HASHDB_XOR_VALUE
global HASHDB_ALGORITHM
# Set default values
if len(algo_list) == 0:
msg = "No algorithms matched the hash."
f = hunt_result_form_t(algo_list, msg)
else:
msg = "The following algorithms contain a matching hash.\nSelect an algorithm to set as the default for HashDB."
f = hunt_result_form_t(algo_list, msg)
f, args = f.Compile()
# Show form
ok = f.Execute()
if ok == 1:
if f.cAlgoChooser.selection == None:
# No algorithm selected bail!
f.Free()
return False
# Set the algorithm
algorithm = f.cAlgoChooser.chooser.items[f.cAlgoChooser.selection[0]]
set_algorithm(algorithm[0], algorithm[1]) # Error messages handled inside of set_algorithm
f.Free()
return True
else:
f.Free()
return False
#--------------------------------------------------------------------------
# Module import select form
#--------------------------------------------------------------------------
class api_import_select_t(ida_kernwin.Form):
"""Simple form to select module to import apis from"""
def __init__(self, string_value, module_list):
self.__n = 0
F = ida_kernwin.Form
F.__init__(self,
r"""BUTTON YES* Import
BUTTON CANCEL No
HashDB Bulk Import
{FormChangeCb}
{cStr1}
Do you want to import all function hashes from this module?
<Select module :{cbModules}>
""", { 'FormChangeCb': F.FormChangeCb(self.OnFormChange),
'cStr1': F.StringLabel("<span style='float:left;'>The hash for <b>"+string_value+"</b> is a module function.<span>", tp=F.FT_HTML_LABEL),
'cbModules': F.DropdownListControl(
items=module_list,
readonly=True,
selval=0),
})
def OnFormChange(self, fid):
if fid == -1:
# Form is initialized
self.SetFocusedField(self.cbModules)
elif fid == self.cbModules.id:
sel_idx = self.GetControlValue(self.cbModules)
else:
pass
#print("Unknown fid %r" % fid)
return 1
@staticmethod
def show(string_value, module_list):
f = api_import_select_t(string_value, module_list)
f, args = f.Compile()
# Show form
ok = f.Execute()
if ok == 1:
module_selection = f.cbModules[f.cbModules.value]
f.Free()
return module_selection
else:
f.Free()
return None
#--------------------------------------------------------------------------
# Unqualified name replacement form
# Logic: When an unqualified name is encountered, the user is asked to
# provide a replacement.
# Example: "-path" is an unqualified name, the user should replace it with
# a qualified name such as "_path"
#--------------------------------------------------------------------------
class unqualified_name_replace_t(ida_kernwin.Form):
def __init__(self, unqualified_name: str, invalid_characters: list) -> None:
form = "BUTTON YES* Replace\n" \
"BUTTON CANCEL Skip\n" \
"HashDB: Please replace the invalid characters\n\n" \
"{form_change_callback}\n" \
"Some of the characters in the hashed string are invalid (highlighted red):\n" \
"{unqualified_name}\n" \
"<##New name\: :{new_name}>"
invalid_characters_html = "<span style=\"font-size: 16px\">{}</span>"
controls = {
"form_change_callback": super().FormChangeCb(self.form_changed),
"unqualified_name": super().StringLabel(
invalid_characters_html.format(html_format_invalid_characters(
unqualified_name, invalid_characters)),
super().FT_HTML_LABEL),
# value -> initial value
"new_name": super().StringInput(value=unqualified_name)
}
super().__init__(form, controls)
# Compile
self.Compile()
def form_changed(self, field_id: int) -> int:
# Form initialized, focus to the new name text field
if field_id == -1:
self.SetFocusedField(self.new_name)
return 1
@staticmethod
def show(unqualified_name: str, invalid_characters: list) -> str:
"""
Show the unqualified name replace form and return
the new user-defined name, or None if
the user decides to skip.
"""
# Construct and compile the form
unqualified_name_form = unqualified_name_replace_t(unqualified_name, invalid_characters)
# Execute/show the form
selected_button = unqualified_name_form.Execute()
new_name = unqualified_name_form.new_name.value
# Free the form
unqualified_name_form.Free()
if selected_button == 1: # Replace button
return new_name
return None
#--------------------------------------------------------------------------
# IDA helper functions
#--------------------------------------------------------------------------
def get_invalid_characters(string: str) -> list:
invalid_characters = []
# Is the string empty?
if not string:
return invalid_characters
# Is the first character a digit?
if string[0].isdigit():
invalid_characters.append(0)
# Iterate through the characters in the string,
# and check if they are valid using
# ida_name.is_ident_cp
for index, character in enumerate(string):
if not ida_name.is_ident_cp(ord(character)):
invalid_characters.append(index)
# Return the invalid characters
return invalid_characters
def html_format_invalid_characters(string: str, invalid_characters: list, color: str = "#F44336") -> str:
# Are there any invalid characters in the string?
if not invalid_characters:
return string
# Format the invalid characters
formatted_string = ""
for index, character in enumerate(string):
if index in invalid_characters and color:
formatted_string += "<span style=\"color: {}\">{}</span>".format(color, character)
else:
formatted_string += character
# Return the formatted string
return formatted_string
def get_existing_enum_values(enum_name):
# Check if the enum exists
if ida_enum.get_enum(enum_name) == idaapi.BADNODE:
return {}
# Fetch the type definition
values = ida_typeinf.get_named_type(ida_typeinf.get_idati(), enum_name, ida_typeinf.NTF_TYPE)
if values is None:
return {}
_, type_str, fields_str, _, _, _, _ = values
type_definition = ida_typeinf.idc_print_type(type_str, fields_str, enum_name, 0)
# Parse the type definition
opening_bracket_position = type_definition.find("{")
closing_bracket_position = type_definition.rfind("}")
if opening_bracket_position == -1 or closing_bracket_position == -1: # failed to find the brackets
return {}
# Split and parse the entries
hash_values = {}
split_entries = type_definition[opening_bracket_position+1:closing_bracket_position-1].split(",")
for enum_value_name, enum_value_str in (entry.split(" = ") for entry in split_entries):
base = 16 if enum_value_str.startswith("0x") or enum_value_str.startswith("-0x") else 10
hash_values[enum_value_name] = int(enum_value_str, base)
return hash_values
def add_enums(enum_name, hash_list):
"""
Adds a hash list to an enum by name.
IMPORTANT: This function should always be executed on the main thread.
The hash list should be a list of tuples with three values:
name: str, value: int, is_api: bool
"""
fixed_hash_values = get_existing_enum_values(enum_name) # dict[str, int]
for enum_value_name, enum_value, is_api in hash_list:
# Fixup the name before appending it to the list
for index, character in enumerate(enum_value_name):
if character.isspace() or character == ".":
# Count not specified to replace all occurrences at once
enum_value_name = enum_value_name.replace(character, '_')
# Check if the name is valid and ask the user to replace invalid characters
skip = False
invalid_characters = get_invalid_characters(enum_value_name)
while invalid_characters:
# Open the unqualified name form
new_member_name = unqualified_name_replace_t.show(enum_value_name, invalid_characters)
# Did the user skip, or provide an empty string?
if not new_member_name:
skip = True
break
enum_value_name = new_member_name
# Check if the user provided an invalid name
invalid_characters = get_invalid_characters(enum_value_name)
if skip:
idaapi.msg("HashDB: Skipping hash result \"{}\" with value: {}\n".format(enum_value_name, hex(enum_value)))
continue
# Check if the name already exists in the database
maximum_attempts = 256 # ENUM_MEMBER_ERROR_VALUE -> only allows 256 members with this value