增加uac提权检测
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README.md
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README.md
@@ -4,6 +4,8 @@
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RmEye是一个window上的基于att&ck现代EDR设计思想的威胁响应工具.
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不同于EDR,它轻量、高效.自身定位是轻量级威胁检出工具.
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而不是繁重的、需要付费的、效果不明的所谓的EDR
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RmEye基于att&ck模型,如果您对att&ck模型不熟悉,请先阅读相关文章后再使用:
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https://key08.com/index.php/2022/08/09/1505.html
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### 功能特点
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1. 基于att&ck设计.所有设计只是为了符合att&ck的攻击路径、攻击链(虽然规则里面没有标注T因为懒惰)
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@@ -21,6 +23,10 @@ RmEye是一个window上的基于att&ck现代EDR设计思想的威胁响应工具
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7. 受限于Sysmon,很多att&ck的T没有覆盖,也无法覆盖.
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请牢记,RmEye自身定位是轻量级威胁检出工具
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### 最新新闻
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2022/8/29:
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增加uac提权检测插件`uac_bypass_detect`,但是受限于sysmon,没有办法获取RPC信息,因此只能检测一部分的UAC提权行为.并且有误报,请酌情考虑
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### 检出截图
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威胁列表:
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@@ -34,6 +40,8 @@ apt样本:
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offic宏钓鱼:
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uac提权检测:
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### 待做列表
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1. 更好的前端(目前是VUE-CDN模式,不太好,想换成VUE-CLI) 已经完成
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@@ -47,7 +55,7 @@ offic宏钓鱼:
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9. 完善目前的插件系统【目前重点】
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10. 云日志检测能力【目前重点】
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### 安装
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下载release( https://github.com/RoomaSec/RmEye/releases/tag/pre-release ),里面有客户端,服务端自行clone本项目
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下载release( https://github.com/RoomaSec/RmEye/releases ),里面有客户端,服务端自行clone本项目
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服务端是python3编写,安装完依赖库后输入
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```
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python webserver.py
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@@ -108,7 +116,7 @@ sysmon /uninstall
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2. 规则目前只支持rule_engine与yara的规则,其中yara的规则支持是以插件的形式支持
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3. 目前的规则字段完全依赖sysmon的字段,sysmon的字段请检查根目录下的provider.json(但是请记住纯小写,自行做大小写转换)
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规则目前有两种规则:
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规则目前在`Server/rules`目录规则目前有两种规则:
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rule_engine:
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如检测由CMD启动的ipconfig:
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```
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@@ -1,7 +1,5 @@
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import global_vars
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import yara
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import glob
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from pathlib import Path
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#import yara
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rm_plugs_config = {
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"enable": False,
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49
Server/plugins/uac_bypass_detect/prcoess_chain_detect.py
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49
Server/plugins/uac_bypass_detect/prcoess_chain_detect.py
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import global_vars
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import process
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#import yara
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rm_plugs_config = {
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"enable": True,
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"author": "huoji",
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"description": "基于进程链的uac提权检测",
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"version": "0.0.1"
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}
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def intergritylevel_to_int(str_name):
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if str_name == 'high':
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return 3
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elif str_name == 'medium':
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return 2
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return 1
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def rule_new_process_create(current_process: process.Process, host, raw_log_data, json_log_data):
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if 'integritylevel' in json_log_data['data']:
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integritylevel = intergritylevel_to_int(
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json_log_data['data']['integritylevel'])
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current_process.plugin_var['uac_flag'] = integritylevel
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if 'uac_flag' not in current_process.chain.root_process.plugin_var:
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current_process.chain.root_process.plugin_var['uac_flag'] = integritylevel
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if integritylevel > current_process.chain.root_process.plugin_var['uac_flag']:
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print('[uac bypass detect] detect uac bypass in process chain {}'.format(
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current_process.path))
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current_process.chain.root_process.plugin_var['uac_flag'] = integritylevel
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current_process.set_score(300, "[UAC提权]进程权限等级变动")
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return global_vars.THREAT_TYPE_PROCESS
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# print('process chain: {} path: {} level: {} log level: {}'.format(
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# current_process.chain_hash, current_process.path, integritylevel, current_process.chain.root_process.plugin_var['uac_flag']))
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return global_vars.THREAT_TYPE_NONE
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def rule_new_process_action(current_process, host, raw_log_data, json_log_data):
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return global_vars.THREAT_TYPE_NONE
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def rule_init():
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print('[helloworld plugin] rule init')
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def plugin_init():
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print('[helloworld plugin] plugin init')
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@@ -1,8 +1,6 @@
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import json
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from sqlalchemy import false
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import tools
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import time
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skip_process_path = ['c:\\program files\\rivet networks\\smartbyte\\raps.exe',
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'c:\\program files (x86)\\sogouinput\\11.5.0.5352\\pinyinup.exe',
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@@ -102,6 +100,7 @@ class Process:
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self.time = time
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self.rmppid = ""
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self.root_rmpid = ""
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self.plugin_var = {}
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self.md5 = md5
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self.user = user
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self.chain: ProcessChain = None
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@@ -150,6 +149,7 @@ class ProcessChain:
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self.rpc_process_chain = ""
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self.time = root_process.time
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self.host = root_process.host
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self.plugin_var = {}
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self.add_root_process(root_process)
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def get_operationlist(self):
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@@ -306,6 +306,21 @@ rule = [
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'score': 30,
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'name': '从服务创建的进程'
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},
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{
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'rules': [
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'parentimage =~ ".*svchost.exe"',
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'originalfilename =~ ".*werfault.exe"'
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],
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'score': 60,
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'name': 'svchost.exe启动了werfault'
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},
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{
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'rules': [
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'parentimage =~ ".*werfault.exe"',
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],
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'score': 30,
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'name': '从werfault创建的进程'
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},
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{
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'rules': [
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'originalfilename =~ ".*wscript.exe"',
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