调试:格蠹汇编笔记 第二章 修复因误杀瘫痪的系统
1 串口,调试. debugging mode 启动.
2 BugCheck C000021A(e1c52ce0,c0000034,0,0)
用windbg的帮助文档可以搜索 C000021A。
STOP: C000021A{Fatal System Error}
The Windows Logon Process system process terminated unexpectedly with
a status of 0x00000001 (0x00000000 0x00000000).
The system has been shut down.
然后db查看e1c52ce0
db e1c52ce0。
3 桌面(explorer.exe)启动前,有WinLogon.exe 。
SMSS.exe是内核创建的第一个用户进程,然后它启动CSRSS和WinLogon.
4
0:005> !error c0000034
Error code: (NTSTATUS) 0xc0000034 (3221225524) - <Unable to get error code text>
没有像书上现实的那样出现错误提示。
5 延迟删除,例如杀毒摇删除已经载入内存的病毒,就需要重启后删除文件。
MoveFileEx(src,dst,MOVEFILE_DELAY_UNTIL_REBOOT)
重启后删除的api
当dwFlags参数被设置为MOVEFILE_DELAY_UNTIL_REBOOT时,MoveFileEx把重启后移动的文件和要移到的文件的位置 存在下面的多字符注册表值(REG_MULTI_SZ)里:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet \Control\Session Manager\PendingFileRenameOperations。
6
Early launch antimalware
Platforms
- Clients - Windows 8
- Servers - Windows Server 2012
Description
As antimalware (AM) software has become better and better at detecting runtime malware, attackers are also becoming better at creating rootkits that can hide from detection.
posted on 2015-05-16 10:40 driverdevelop 阅读(346) 评论(0) 编辑 收藏 举报