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。
8sG3<$Z^ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
)
nfoDG#O <1>与远程系统建立IPC连接
)*|/5wW1 <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
(JhX:1 <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
8s%/5v" <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
Nd_fjB <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
CI|lJ <6>服务启动后,killsrv.exe运行,杀掉进程
[&Xp]:M'D <7>清场
?0tg}0| 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
e_vsiT /***********************************************************************
)^h6'h` Module:Killsrv.c
o9?@jjqH Date:2001/4/27
cpY{o^ Author:ey4s
xS18t=" Http://www.ey4s.org q>q:ZV ***********************************************************************/
wN2+3LY{ #include
H^_,e= j #include
:NzJvI< #include "function.c"
aD/Rr3v> #define ServiceName "PSKILL"
0MQ= Rt `S&a.k SERVICE_STATUS_HANDLE ssh;
mp|pz%U SERVICE_STATUS ss;
GnV0~? /////////////////////////////////////////////////////////////////////////
Er~ 17$b void ServiceStopped(void)
TFVQfj$r {
C3AWXO ^ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
BT_]=\zi ss.dwCurrentState=SERVICE_STOPPED;
~{c ?-qb ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
gmTBT#{6yH ss.dwWin32ExitCode=NO_ERROR;
r^9l/H~$ ss.dwCheckPoint=0;
1I Yip\:lS ss.dwWaitHint=0;
,RP-)j"Wff SetServiceStatus(ssh,&ss);
jA? #!lx_ return;
_8K+iqMZG }
>nSsbhAe /////////////////////////////////////////////////////////////////////////
tobE3Od4 void ServicePaused(void)
91
jRIB {
5'lVh/ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
}v1wpv/b( ss.dwCurrentState=SERVICE_PAUSED;
CjdM*#9lW ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
=j]y?;7q ss.dwWin32ExitCode=NO_ERROR;
!U`&a=k ss.dwCheckPoint=0;
Z:b?^u4. ss.dwWaitHint=0;
,|%KlHo^ SetServiceStatus(ssh,&ss);
3)OZf{D[ return;
*miG< }
~cz}C("Z void ServiceRunning(void)
-15e {
01bCP ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
2Gyq40 ss.dwCurrentState=SERVICE_RUNNING;
=4ygbk ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
T+8Yd(:hX ss.dwWin32ExitCode=NO_ERROR;
j KU2 ss.dwCheckPoint=0;
_S!^=9bJ ss.dwWaitHint=0;
-oD,F
$Rb SetServiceStatus(ssh,&ss);
verI~M$v{ return;
0Q3U\cDr }
Q+CJd>B /////////////////////////////////////////////////////////////////////////
B5\l&4X void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
UG1<Xfu| {
i Ad&o`C switch(Opcode)
8jK=A2pTa {
ET*A0rt case SERVICE_CONTROL_STOP://停止Service
h yrPu_
ServiceStopped();
^`H'LD break;
cS&KD@. case SERVICE_CONTROL_INTERROGATE:
)1 <0c@g= SetServiceStatus(ssh,&ss);
Y A.&ap break;
@kXuC< }
~tUZQ5" return;
~z^l~Vyg? }
=^"Sx??V //////////////////////////////////////////////////////////////////////////////
pEB3qGA //杀进程成功设置服务状态为SERVICE_STOPPED
'r'=%u$1C //失败设置服务状态为SERVICE_PAUSED
2BY|Cp4R //
_KRnx- void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
lL}6IZ5sb {
a )O"PA}2 ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
k-$Acv( if(!ssh)
K^{j$ {
u5CSx'h] ServicePaused();
+\dVC,,=^g return;
R P{pEd }
/ Pjd" ServiceRunning();
?Ld),A/c Sleep(100);
W3i<Unq
//注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
Z<U,]iZB //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
g5BL"Dn if(KillPS(atoi(lpszArgv[5])))
o!xCM:+J ServiceStopped();
``xm##K else
ft"- ServicePaused();
o HK return;
J~x]~}V& }
gD$&OkH /////////////////////////////////////////////////////////////////////////////
|dIR v void main(DWORD dwArgc,LPTSTR *lpszArgv)
G>~/ {
'[
c-$X2Ak SERVICE_TABLE_ENTRY ste[2];
F'~r?D ste[0].lpServiceName=ServiceName;
$$AZ)#t[ ste[0].lpServiceProc=ServiceMain;
%
:G78. ste[1].lpServiceName=NULL;
33`bKKO} ste[1].lpServiceProc=NULL;
a-*sm~u StartServiceCtrlDispatcher(ste);
`!8\|/ return;
,|f=2t+5X }
oy[s])Tg /////////////////////////////////////////////////////////////////////////////
`=Mk6$%Cs function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
HSud$(w 下:
x.t<@y~ /***********************************************************************
dX\OP> Module:function.c
U& GPede Date:2001/4/28
WjBml'^RY Author:ey4s
H
Qj,0#J) Http://www.ey4s.org l(Y32]Z ***********************************************************************/
Ioe.[&o6B #include
J5b3r1~D"[ ////////////////////////////////////////////////////////////////////////////
ErN[maix# BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
J
rK{MhO {
t{,$?} TOKEN_PRIVILEGES tp;
U["<f`z4\ LUID luid;
K-YxZAf 2?(/$F9X, if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
2k!uk6 {
/{({f?k<\/ printf("\nLookupPrivilegeValue error:%d", GetLastError() );
%2RXrH2&H return FALSE;
0ytAn+/"x }
6l|L/Z_6 tp.PrivilegeCount = 1;
H28-;>'` tp.Privileges[0].Luid = luid;
M5[#YG'FlQ if (bEnablePrivilege)
'+_-r'2 tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
f$</BND else
eDo4>k"5 tp.Privileges[0].Attributes = 0;
%B&O+~ // Enable the privilege or disable all privileges.
D~qi6@Ga AdjustTokenPrivileges(
qV=O; hToken,
ym
p*:lH( FALSE,
4JBfA, &tp,
~m R^j sizeof(TOKEN_PRIVILEGES),
ZS l K (PTOKEN_PRIVILEGES) NULL,
e?\Od}Hbw (PDWORD) NULL);
Jv(E'"H // Call GetLastError to determine whether the function succeeded.
SdufI_'B if (GetLastError() != ERROR_SUCCESS)
JAW7Y:XB {
M|y!,/' printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
=5:vKL j return FALSE;
FpttH?^ }
=PU@'OG return TRUE;
b5p;)# }
X:FyNUa ////////////////////////////////////////////////////////////////////////////
wQ-BY"cK\ BOOL KillPS(DWORD id)
sS)tSt{C {
a"+VP>4 HANDLE hProcess=NULL,hProcessToken=NULL;
+Kmxo4p BOOL IsKilled=FALSE,bRet=FALSE;
GNG.N)q#C __try
C#&b` {
j%vxCs> Ty 6 XU! if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
^wIP`dn {
(1,4egMpR printf("\nOpen Current Process Token failed:%d",GetLastError());
uxrNkZia __leave;
4pDZ +}p }
Kd#64NSi$A //printf("\nOpen Current Process Token ok!");
PHsM)V+ if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
NFU=PS$ {
4yu=e;C wy __leave;
D-e^b'l }
4!glgEE* printf("\nSetPrivilege ok!");
z_C7=ga< Cn9MboXX if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
ht:L
L#b*( {
,!~U5~ printf("\nOpen Process %d failed:%d",id,GetLastError());
4[0.M __leave;
)sEAPIka }
a(U/70j //printf("\nOpen Process %d ok!",id);
/[3!kW if(!TerminateProcess(hProcess,1))
QK~>KgVi {
I#yd/d5^ printf("\nTerminateProcess failed:%d",GetLastError());
wS2N,X/Y __leave;
u<@
55k }
V6<Ki IsKilled=TRUE;
!OH'pC5 }
5OFb9YX __finally
t5p#g<