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。
^OOoo2 OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
`-!kqJ <1>与远程系统建立IPC连接
GBl[s,g[| <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
:jf/$]p <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
Zsn@O2 <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
|ms. <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
lhC^Upqw <6>服务启动后,killsrv.exe运行,杀掉进程
GJ{XlH <7>清场
I&6M{,rnM 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
r;9 V7C /***********************************************************************
{4$aA* Module:Killsrv.c
DDq?4 Date:2001/4/27
i-}Tt<^ Author:ey4s
TILH[r&Jg Http://www.ey4s.org JvsL]yRT ***********************************************************************/
}BUm}.-{u, #include
RW<10: #include
4?fpk9c{2 #include "function.c"
O I0N(V #define ServiceName "PSKILL"
'T|EwrS j 0v,fY2$c SERVICE_STATUS_HANDLE ssh;
zM(-f|wVI) SERVICE_STATUS ss;
8OMMV,QF /////////////////////////////////////////////////////////////////////////
(;;.[4,y void ServiceStopped(void)
zsLMROo3 {
9X&=?+f ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
kWacc&*| ss.dwCurrentState=SERVICE_STOPPED;
bzr QQQ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
Hr7?#ZX;e ss.dwWin32ExitCode=NO_ERROR;
MH|F<$42 ss.dwCheckPoint=0;
ifNyVEHy ss.dwWaitHint=0;
Ncr Bp( SetServiceStatus(ssh,&ss);
i6f42]Jy return;
4H^ACw }
2^=8~I!n& /////////////////////////////////////////////////////////////////////////
ucJ}KMz void ServicePaused(void)
NM9,AG {
njZJp|y6 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
\:g\?[ ss.dwCurrentState=SERVICE_PAUSED;
0CvGpM, ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
B]NcY&A ss.dwWin32ExitCode=NO_ERROR;
9q+W>wt ss.dwCheckPoint=0;
n2~WUK ss.dwWaitHint=0;
rvU^W+d SetServiceStatus(ssh,&ss);
2rW9ja return;
w59q* 2 }
P+Gz' void ServiceRunning(void)
764eXh {
Eg&:yF}?( ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Uq @].3nf ss.dwCurrentState=SERVICE_RUNNING;
*kpP)\P ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
@u`W(Ow ss.dwWin32ExitCode=NO_ERROR;
OFBEJacy ss.dwCheckPoint=0;
}.pqV
X{d ss.dwWaitHint=0;
PhPe7^ SetServiceStatus(ssh,&ss);
cs7^#/3< return;
2$MoKOx8$ }
bIlNA )g /////////////////////////////////////////////////////////////////////////
&uF~t
|!c void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
B9Mp3[ {
Y<jX[ET! switch(Opcode)
=''WA:,=h {
Ir-QD!!< case SERVICE_CONTROL_STOP://停止Service
XdmpfUR,13 ServiceStopped();
P*B@it break;
2
6DX4 case SERVICE_CONTROL_INTERROGATE:
Hj(K*z SetServiceStatus(ssh,&ss);
c|(J%@B) break;
Caz5q|Oo }
d#XgO5eyO return;
<.Pt%Kg^BS }
(7N!Jvg9 //////////////////////////////////////////////////////////////////////////////
IN@o9pUjV //杀进程成功设置服务状态为SERVICE_STOPPED
>tPf.xI|l //失败设置服务状态为SERVICE_PAUSED
"]uPke@ //
.vctuy& void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
G'u[0> {
mr/?w0(C ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
k6J&4?xZ if(!ssh)
"dG N0i {
cWG%>.`5r ServicePaused();
J<0d"' return;
)HC/J- }
ll1N`ke ServiceRunning();
b !y Sleep(100);
z5oJQPPi //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
\NMqlxp2 //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
C7G,M if(KillPS(atoi(lpszArgv[5])))
9-V'U\}L ServiceStopped();
/t`,7y3T else
+ue1+# ServicePaused();
k\qFWFR return;
`)5WA{z }
UGd\`*Cj /////////////////////////////////////////////////////////////////////////////
4`)r1D!U void main(DWORD dwArgc,LPTSTR *lpszArgv)
c-5AI{%bl6 {
\b%c_e SERVICE_TABLE_ENTRY ste[2];
FNuE-_
ste[0].lpServiceName=ServiceName;
y2#"\5dC ste[0].lpServiceProc=ServiceMain;
0;@>jo6,! ste[1].lpServiceName=NULL;
k7Qs#L ste[1].lpServiceProc=NULL;
(_!I2"Q* StartServiceCtrlDispatcher(ste);
vb?.`B_>& return;
9od*N$ }
c_S~{a44Ud /////////////////////////////////////////////////////////////////////////////
#;~HoOK*# 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
dt@c,McN|Q 下:
XVqkw@Ia4! /***********************************************************************
@8>bp#x/1 Module:function.c
_k26(rdI@- Date:2001/4/28
.D ^~!A Author:ey4s
=R'O5J Http://www.ey4s.org n42\ty9 ***********************************************************************/
_tX=xAO9 #include
Y2XxfZj ////////////////////////////////////////////////////////////////////////////
~-6_-Y| BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
Y%kOq`uT=n {
?T_MP" TOKEN_PRIVILEGES tp;
g)^s+Y LUID luid;
De^:9<{jc :H3/+/x if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
qzJ<9H {
ZLxa|R7 printf("\nLookupPrivilegeValue error:%d", GetLastError() );
Ky"FL return FALSE;
,dTmI{@O }
tuIZYp8tIN tp.PrivilegeCount = 1;
,pI9=e@O/z tp.Privileges[0].Luid = luid;
ohqThl if (bEnablePrivilege)
/+JnEFf tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
Li}5aK else
hHmm(~5gR tp.Privileges[0].Attributes = 0;
d,^ZH // Enable the privilege or disable all privileges.
RZV6;=/ AdjustTokenPrivileges(
*E/ Mf
hToken,
f$\O:E= FALSE,
&K60n6q{aQ &tp,
ssx#|InY sizeof(TOKEN_PRIVILEGES),
B7[d^Y60B (PTOKEN_PRIVILEGES) NULL,
wpYk`Lr (PDWORD) NULL);
-JF^`hBD- // Call GetLastError to determine whether the function succeeded.
5N$XY@ if (GetLastError() != ERROR_SUCCESS)
aIFlNS,y {
5v)bs\x6 printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
o
?vGI= return FALSE;
Ms,MXJtH }
dt:$:,"
return TRUE;
nOL.% }
r9&m^,U ////////////////////////////////////////////////////////////////////////////
_3@5@1[s BOOL KillPS(DWORD id)
x1#>"z7 {
7~QI4'e HANDLE hProcess=NULL,hProcessToken=NULL;
Rr%x;- BOOL IsKilled=FALSE,bRet=FALSE;
)Ln".Bu, __try
O 1z0dHa {
4>0q0}J=5 0=3)`v{S@ if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
j;y~vX b {
M yHv> printf("\nOpen Current Process Token failed:%d",GetLastError());
vio>P-2Eho __leave;
f\dfKNm6 }
zaHZ5%{LQD //printf("\nOpen Current Process Token ok!");
7$lnCvm if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
s+lBai*# {
B8T$< __leave;
|mQ Fi\ }
`8W HVC$ printf("\nSetPrivilege ok!");
O1\Hx8^ 9D1WUUa if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
E3O^Tg?j {
}|=/v(D printf("\nOpen Process %d failed:%d",id,GetLastError());
;\2Z?Kq __leave;
4\&Y;upy+ }
o=($'(1 //printf("\nOpen Process %d ok!",id);
hA5')te<