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。
)fRZ}7k: OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
`ecIy_O3P& <1>与远程系统建立IPC连接
2D"n#O`y <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
)e1&[0 <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
\@3B%RW0 <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
,y'E#_cTgQ <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
4~bbng <6>服务启动后,killsrv.exe运行,杀掉进程
|lnMT)^D <7>清场
zP
F0M( 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
>Fzs%]M /***********************************************************************
C}= *%S Module:Killsrv.c
)Td;2 Date:2001/4/27
ecZT|X4u Author:ey4s
HoTg7/iK Http://www.ey4s.org m7|}PH"7 ***********************************************************************/
h
!yu. v #include
Ep.Q&(D
> #include
H2p lT #include "function.c"
d;<gwCc #define ServiceName "PSKILL"
gE_i#=bw m#^ua^JV SERVICE_STATUS_HANDLE ssh;
</.9QV SERVICE_STATUS ss;
g"F&~y/p /////////////////////////////////////////////////////////////////////////
+kMVl_`V void ServiceStopped(void)
!b=jD;< {
~o+:M0)} ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
jgz} ss.dwCurrentState=SERVICE_STOPPED;
X*Qtbm, ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
uVQH,NA, ss.dwWin32ExitCode=NO_ERROR;
b `7vWyp ss.dwCheckPoint=0;
wOlnDQs ss.dwWaitHint=0;
ixf~3Y8 SetServiceStatus(ssh,&ss);
;$\?o return;
KliMw*5( }
#D qVh!t" /////////////////////////////////////////////////////////////////////////
+J`HI1 void ServicePaused(void)
h^)R}jy+f {
YEbB3N ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
pKnM= N1f ss.dwCurrentState=SERVICE_PAUSED;
vjzpU(Sq# ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
vz[-8 m:f ss.dwWin32ExitCode=NO_ERROR;
=}$YZuzmU ss.dwCheckPoint=0;
E/OJ}3Rf ss.dwWaitHint=0;
-$;
h+9BO SetServiceStatus(ssh,&ss);
%ja8DRQ. return;
e
Qz_,vTk }
_N-.=86* void ServiceRunning(void)
!bPsJbIo> {
T[z}^" ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
g?}$"=B ss.dwCurrentState=SERVICE_RUNNING;
"L(4 EcO@ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
/F(wb_! ss.dwWin32ExitCode=NO_ERROR;
vLc7RL ss.dwCheckPoint=0;
X:un4B}O ss.dwWaitHint=0;
e1EFZ,EcaO SetServiceStatus(ssh,&ss);
kPt] [1jo return;
6c?;-5. }
U:a-Wi+ /////////////////////////////////////////////////////////////////////////
>BDK?YMx void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
FLqF!N\G {
L$Uy switch(Opcode)
8@}R_GZc {
+# 38 case SERVICE_CONTROL_STOP://停止Service
N y\c>$z ServiceStopped();
{x-iBg9#l2 break;
D)]U+Qk case SERVICE_CONTROL_INTERROGATE:
fpDx)lQ SetServiceStatus(ssh,&ss);
#]~l]Eq break;
gG 9e.++: }
%X--`91|u return;
5Oa`1?C1 }
\BoRYb9h //////////////////////////////////////////////////////////////////////////////
M<A jtDF% //杀进程成功设置服务状态为SERVICE_STOPPED
;T9u$4< //失败设置服务状态为SERVICE_PAUSED
[32]wgw+{1 //
|<Cz#|
,q void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
z<T(afM{* {
<;O-N= ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
9i&(VzY[= if(!ssh)
6 aE:vR2 {
)r9lT*z ServicePaused();
\hm;p return;
']bpsn }
=J2cX` ServiceRunning();
O!,WH?r Sleep(100);
M_:_(y>l //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
3y[uH' //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
S,=#b
4\#% if(KillPS(atoi(lpszArgv[5])))
pd3=^Zi ServiceStopped();
MR) *Xh else
?$ft3p} ServicePaused();
vM.Y/,7S return;
_7)>/YK?}4 }
B"07:sO /////////////////////////////////////////////////////////////////////////////
vxey$Ir void main(DWORD dwArgc,LPTSTR *lpszArgv)
^AI5SjOUx {
];3]/b)& SERVICE_TABLE_ENTRY ste[2];
oCCTRLb02 ste[0].lpServiceName=ServiceName;
#|ppW fZQ ste[0].lpServiceProc=ServiceMain;
5$<\ ste[1].lpServiceName=NULL;
sDylSYq ste[1].lpServiceProc=NULL;
j,]KidDWm StartServiceCtrlDispatcher(ste);
:RxWHh3O return;
S
.KZ) }
/M0A9ZT[ /////////////////////////////////////////////////////////////////////////////
/K@_O\+;Q 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
*2?-6 下:
"
hD6Z /***********************************************************************
feSj3,<! Module:function.c
\V1geSoE Date:2001/4/28
4
8}\ Author:ey4s
H*gX90{!2 Http://www.ey4s.org Z4"SKsJT/> ***********************************************************************/
8zOoVO #include
&B3[:nS2 ////////////////////////////////////////////////////////////////////////////
_#jR6g TY BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
Dc2U+U(J {
o \#C#NiT TOKEN_PRIVILEGES tp;
75^U<Hz-3{ LUID luid;
9{A[n} [i9.#* if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
R#n!1~ ( {
prdlV)LTpY printf("\nLookupPrivilegeValue error:%d", GetLastError() );
l{2Y[&% return FALSE;
RF#S=X6 }
T[?toqkD>z tp.PrivilegeCount = 1;
z;VAi=m
q tp.Privileges[0].Luid = luid;
<{z*6FM!' if (bEnablePrivilege)
AjW5H* tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
B@8M2Pl else
-MCDX^>P tp.Privileges[0].Attributes = 0;
wWaJ%z>3y // Enable the privilege or disable all privileges.
kn^?.^dVX AdjustTokenPrivileges(
Fm| h3.`V hToken,
l2&s4ERqSm FALSE,
VJ8"Q &tp,
:vsF4 sizeof(TOKEN_PRIVILEGES),
dYEsSFB m (PTOKEN_PRIVILEGES) NULL,
PQ#zF&gL9t (PDWORD) NULL);
vi4lmkyh^ // Call GetLastError to determine whether the function succeeded.
zL%ruWNG if (GetLastError() != ERROR_SUCCESS)
MYmH?A {
)6t=Bel printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
5Nt40)E}sN return FALSE;
Im<i.a
<` }
|e]2 >NjQa return TRUE;
;%wY fq~P }
%mO.ur>21 ////////////////////////////////////////////////////////////////////////////
.#4;em%7 BOOL KillPS(DWORD id)
'a^'f]" {
)R- e^Cb HANDLE hProcess=NULL,hProcessToken=NULL;
) ]y^RrD BOOL IsKilled=FALSE,bRet=FALSE;
L]syDn __try
8F;r$i2 {
%xJ6t5.- <Rno; if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
GY~Q) Z {
BM }{};p6 printf("\nOpen Current Process Token failed:%d",GetLastError());
g.V{CJ*V __leave;
$Y\-X<gRH }
vhEXtjL //printf("\nOpen Current Process Token ok!");
Q!T+Jc9N if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
nXg:lCI-uu {
Mq#sSBE<K __leave;
x+%(z8wD }
_[kZ:# printf("\nSetPrivilege ok!");
x=7qC#+) Wpdn^=dhL if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
g%.;ZlK {
m,qMRcDF printf("\nOpen Process %d failed:%d",id,GetLastError());
iVQ)hsW/ __leave;
0o>l+c }
f\zu7,GU //printf("\nOpen Process %d ok!",id);
Vt[Kr if(!TerminateProcess(hProcess,1))
$ lC*q {
U.kTdNSp printf("\nTerminateProcess failed:%d",GetLastError());
gE}+`w/X __leave;
`nvm>u~[Hq }
&y~~Z [.F, IsKilled=TRUE;
&l