杀掉本地进程其实很简单,取得进程ID后,调用OpenProcess函数打开进程句柄,然后调用TerminateProcess函数就可以杀掉进程了。有些情况下并不能直接打开进程句柄,例如WINLOGON等系统进程,因为权限不够。这个时候我们就得先提升自己的进程的权限了。提升权限过程也不复杂,先调用GetCurrentProcess函数取得当前进程的句柄,然后调用OpenProcessToken打开当前进程的访问令牌,接着调用LookupPrivilegeValue函数取得你想提升的权限的值,最后调用AdjustTokenPrivileges函数给当前进程的访问令牌增加权限就可以了。一般有了SeDebugPrivilege特权后,就可以杀掉除Idle外的所有进程了。
;
)Vro OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
gDw:Z/1X` <1>与远程系统建立IPC连接
FT1h\K|a <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
?
[?{X~uq <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
H:X=v+W <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
m[7i<'+S <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
VOYuog 5o <6>服务启动后,killsrv.exe运行,杀掉进程
959i2z <7>清场
1@nGD<,. 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
DR o@gYDn /***********************************************************************
,KlTitJl\+ Module:Killsrv.c
}LH>0v_<Y Date:2001/4/27
g<[_h(xDeG Author:ey4s
y(K?mtQ Http://www.ey4s.org "+REv_: ***********************************************************************/
p_$03q>oQ #include
rSIb1zJ #include
qAsZ,ik #include "function.c"
)$/Gh&1G #define ServiceName "PSKILL"
27-<q5q # E'g{.N SERVICE_STATUS_HANDLE ssh;
Jy'ge4]3 SERVICE_STATUS ss;
^;3z9}9 /////////////////////////////////////////////////////////////////////////
?Uzs^rsb void ServiceStopped(void)
?-,v0# {
U9;C#9E ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
p~h=]o'i ss.dwCurrentState=SERVICE_STOPPED;
<^&NA<2 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
;T}#-`O_Im ss.dwWin32ExitCode=NO_ERROR;
W"fdK_F\ ss.dwCheckPoint=0;
?aInn:FE ss.dwWaitHint=0;
J!,5HJh1 SetServiceStatus(ssh,&ss);
. `lcxC return;
Bv$;yR }
w$H=GF?" /////////////////////////////////////////////////////////////////////////
22L#\qVkl void ServicePaused(void)
jxL5L[ {
Hw34wQX ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
i=%wZHc; ss.dwCurrentState=SERVICE_PAUSED;
wO!k|7:Z ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
rMqWXGl`( ss.dwWin32ExitCode=NO_ERROR;
fmH$1C< ss.dwCheckPoint=0;
I<*U^e ss.dwWaitHint=0;
^;B
vd! SetServiceStatus(ssh,&ss);
H~+D2A return;
R|h9ilc }
-^8gZk/(W void ServiceRunning(void)
XpWqL9s_E {
oUEpzv,J ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
mq~7v1kw ss.dwCurrentState=SERVICE_RUNNING;
/Cr0jWu
_ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
6
$%^ ss.dwWin32ExitCode=NO_ERROR;
=^4 vz=2 ss.dwCheckPoint=0;
>`8r 52 ss.dwWaitHint=0;
MP?9k )f SetServiceStatus(ssh,&ss);
%;9f$:U return;
$O&P@8:Z }
RNuOwZ1m /////////////////////////////////////////////////////////////////////////
ghJ81 void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
lyKV^7} {
H"d.yZM0 switch(Opcode)
"8VCXD {
<FmrYwt case SERVICE_CONTROL_STOP://停止Service
-yOrNir}W ServiceStopped();
Os9xZ break;
BOn2`|oLuF case SERVICE_CONTROL_INTERROGATE:
c]F$$BT SetServiceStatus(ssh,&ss);
:{%6<j break;
I(/W+o }
R>[2}R30 return;
?stx3sZ }
gKcP\m //////////////////////////////////////////////////////////////////////////////
!Pt|Hk dr //杀进程成功设置服务状态为SERVICE_STOPPED
#\iQ`Q<B //失败设置服务状态为SERVICE_PAUSED
gIep6nq1`| //
gSK
(BP| void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
{<ymL} {
c[?S}u|[' ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
B+eB=KL if(!ssh)
25*/]iu {
-ZH]i}$ ServicePaused();
XCoN!~ return;
P~iu|j }
,\4@Ao ServiceRunning();
c, \TL
] Sleep(100);
^o,Hu# //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
{ ;);E //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
fXvJ3w( if(KillPS(atoi(lpszArgv[5])))
o\1"ux;b ServiceStopped();
,d<wEB?\` else
3\|e8(bc ServicePaused();
y _>HQs,: return;
K&<bn22 }
Wk$[;>NU3 /////////////////////////////////////////////////////////////////////////////
cIK-VmO void main(DWORD dwArgc,LPTSTR *lpszArgv)
qbu Lcy3 {
1wuLw Ad SERVICE_TABLE_ENTRY ste[2];
F N;X"it. ste[0].lpServiceName=ServiceName;
tn+i5Eso ste[0].lpServiceProc=ServiceMain;
2!cP[Ck ste[1].lpServiceName=NULL;
jL^zS XQB ste[1].lpServiceProc=NULL;
Vd4x!Vk StartServiceCtrlDispatcher(ste);
,*?bET
$ return;
zv||&Hi }
}7+G'=XI/ /////////////////////////////////////////////////////////////////////////////
+ B%fp* function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
U%"c@%B0 下:
{$bAs9L /***********************************************************************
@G^]kDFM{ Module:function.c
B-|:l7
Date:2001/4/28
> YKvwbCf8 Author:ey4s
;gTdiwfgZ= Http://www.ey4s.org *5hg}[n2 ***********************************************************************/
/hOp>| #include
bk}.^m! ////////////////////////////////////////////////////////////////////////////
Dsw(ti`@ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
[mJcc {
YDyOhv TOKEN_PRIVILEGES tp;
`n
Y!nh6! LUID luid;
`]_#_ i*#Gq6qZq if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
NjMbQM4 {
(WCpaC printf("\nLookupPrivilegeValue error:%d", GetLastError() );
=S4_^UY; return FALSE;
7]@vPr;: }
HtgVD~[] tp.PrivilegeCount = 1;
hdQ[=PH) tp.Privileges[0].Luid = luid;
~4.Tq{ if (bEnablePrivilege)
&Zs h-|N tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
H\W60|z9 else
DhG2!'N tp.Privileges[0].Attributes = 0;
36@)a5 // Enable the privilege or disable all privileges.
$fPf/yQmC AdjustTokenPrivileges(
|t1D8){! hToken,
ah>;wW!6/ FALSE,
eA$9)K1GO &tp,
D@rOX (m sizeof(TOKEN_PRIVILEGES),
=Jg5J5 (PTOKEN_PRIVILEGES) NULL,
\vT0\1:|i (PDWORD) NULL);
7h<B:~(K // Call GetLastError to determine whether the function succeeded.
Bbz#$M!: if (GetLastError() != ERROR_SUCCESS)
e]!C
Aj7uS {
T-xcd printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
oil s;*q return FALSE;
v:PNt#Ta }
Y\(Q return TRUE;
;-~Wfh+ }
57Y(_h: ////////////////////////////////////////////////////////////////////////////
Fx~=mYU BOOL KillPS(DWORD id)
$u|p(E:* {
mhH[jO) HANDLE hProcess=NULL,hProcessToken=NULL;
F[ N{7C3 BOOL IsKilled=FALSE,bRet=FALSE;
30-XFl __try
e-sMU {
?5K.#>{ tbJB 0T|G if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
Wo&MHMP {
^2mmgN printf("\nOpen Current Process Token failed:%d",GetLastError());
bLUn>ch __leave;
,DqI> vx| }
B'"C?d<7 //printf("\nOpen Current Process Token ok!");
sw6]Bc if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
!lG5BOJM {
^&am