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Update mimikatz_detect.py

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huoji
2022-09-06 11:31:12 +08:00
parent b33043f8b6
commit 6826a9e5be
1 changed files with 10 additions and 11 deletions
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21
Server/plugins/mimikazt_detect/mimikatz_detect.py
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@@ -34,8 +34,9 @@ mimikatz_dll_list = [
def rule_new_process_create(current_process: process.Process, host, raw_log_data, json_log_data):
# 服务端提供了一个 plugin_var 变量用于存放当前进程插件的上下文
current_process.plugin_var['mimikatz_matched_num'] = 0
current_process.plugin_var['mimikatz_detected'] = False
if current_process.path != 'c:\\windows\\system32\\wbem\\wmic.exe' and current_process.parent_process.path != 'c:\\windows\\system32\\svchost.exe':
current_process.plugin_var['mimikatz_matched_num'] = 0
current_process.plugin_var['mimikatz_detected'] = False
return global_vars.THREAT_TYPE_NONE
@@ -45,15 +46,13 @@ def rule_new_process_action(current_process: process.Process, host, raw_log_data
if 'mimikatz_detected' in current_process.plugin_var and json_log_data['action'] == 'imageload' and current_process.plugin_var['mimikatz_detected'] == False:
# 把日志中的dll路径取出来
dll_path = json_log_data['data']['imageloaded']
# 排除误报
if current_process.parent_process.path != 'c:\\windows\\system32\\svchost.exe':
# 如果dll的路径在mimikatz的路径里面,进程上下文+1
if dll_path in mimikatz_dll_list:
current_process.plugin_var['mimikatz_matched_num'] += 1
if current_process.plugin_var['mimikatz_matched_num'] >= len(mimikatz_dll_list):
current_process.set_score(300, "[mimikatz]检测到疑似mimikatz进程")
current_process.plugin_var['mimikatz_detected'] = True
return global_vars.THREAT_TYPE_PROCESS
# 如果dll的路径在mimikatz的路径里面,进程上下文+1
if dll_path in mimikatz_dll_list:
current_process.plugin_var['mimikatz_matched_num'] += 1
if current_process.plugin_var['mimikatz_matched_num'] >= len(mimikatz_dll_list):
current_process.set_score(300, "[mimikatz]检测到疑似mimikatz进程")
current_process.plugin_var['mimikatz_detected'] = True
return global_vars.THREAT_TYPE_PROCESS
return global_vars.THREAT_TYPE_NONE