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。
}l} Bo.C OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
Tqn@P <1>与远程系统建立IPC连接
5f K_Aq{ <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
nazZ*lC <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
Gm^U;u}=f <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
-ifFbT+x <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
4yA+h2 <6>服务启动后,killsrv.exe运行,杀掉进程
0rs"o-s< <7>清场
;RPx^X~ 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
V#gK$uv /***********************************************************************
gu.}M:u Module:Killsrv.c
v\%HPMlh Date:2001/4/27
B!L{ Author:ey4s
rlSeu5X6 Http://www.ey4s.org ~
=2PU$u ***********************************************************************/
x@;m8z0 #include
Pw`8Wj #include
nV/G8SeI #include "function.c"
y'nK>)WG4 #define ServiceName "PSKILL"
j[J-f@F \Y E,x+JeKV SERVICE_STATUS_HANDLE ssh;
wc^tgE SERVICE_STATUS ss;
r1{@Ucw2 /////////////////////////////////////////////////////////////////////////
">,|V-H void ServiceStopped(void)
LG|fq/; {
+.b,AqJ/ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
.2Elr(&*h ss.dwCurrentState=SERVICE_STOPPED;
b&N'C9/8 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
3<f}nfB%r? ss.dwWin32ExitCode=NO_ERROR;
2E)-M9ds ss.dwCheckPoint=0;
,Np0wg0 ss.dwWaitHint=0;
T<Z &kYU:R SetServiceStatus(ssh,&ss);
fW1CFRHH return;
! Y~FLA_ }
~1AgD-:Jz /////////////////////////////////////////////////////////////////////////
`MN4uC void ServicePaused(void)
,77d(bR< {
_FU_Ubkr ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
WUXx;9 > ss.dwCurrentState=SERVICE_PAUSED;
o&)8o5 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
k1Y ? ss.dwWin32ExitCode=NO_ERROR;
6@F9G4<Z ss.dwCheckPoint=0;
`V)8
QRN( ss.dwWaitHint=0;
+`3)o PV) SetServiceStatus(ssh,&ss);
' ;FnIZ return;
|tMWCA }
Kaqc74Mv void ServiceRunning(void)
Vl=l?A8 {
J7Hl\Q[D1 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
bP$dU,@p~ ss.dwCurrentState=SERVICE_RUNNING;
rCbDu&k] ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
SaAFz&WRl ss.dwWin32ExitCode=NO_ERROR;
`*cxH.. ss.dwCheckPoint=0;
3-qr)h ss.dwWaitHint=0;
b)5uf'?- SetServiceStatus(ssh,&ss);
Ru!iR#s)! return;
BWv^zi }
7p16Hv7y~ /////////////////////////////////////////////////////////////////////////
IT7wT+ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
J~zUp(>K {
U175{N%3 switch(Opcode)
c&?m>2^6 {
/}fHt^2H case SERVICE_CONTROL_STOP://停止Service
8hz^%vm ServiceStopped();
kY|utoAP break;
H.|#c^I case SERVICE_CONTROL_INTERROGATE:
(Ag16 SetServiceStatus(ssh,&ss);
FF(#]vz ' break;
`O!X(( }
/hH return;
lH x^D;m6 }
Rn(ec //////////////////////////////////////////////////////////////////////////////
s_OF( o //杀进程成功设置服务状态为SERVICE_STOPPED
~IfJwBn-i //失败设置服务状态为SERVICE_PAUSED
tGh~!|P //
aFb==73aLw void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
.B]MpmpK {
bz2ztH9 n ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
pnowy; if(!ssh)
j@U]'5EVB {
]7F=u!/`<C ServicePaused();
r4XK{KHn return;
p;59? }
y^,1a[U. ServiceRunning();
0y" $MC v Sleep(100);
rJT^H5!o" //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
Bs_s&a> //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
:bu/^mW[ if(KillPS(atoi(lpszArgv[5])))
P}y +G| ServiceStopped();
+>Qq(Y else
.
y-D16V ServicePaused();
%S@ZXf~: return;
\K{0L }
QQ*hCyw! /////////////////////////////////////////////////////////////////////////////
XSe=sHEI void main(DWORD dwArgc,LPTSTR *lpszArgv)
&0OG*}gi {
\FbvHr, SERVICE_TABLE_ENTRY ste[2];
mPtZO*Fc ste[0].lpServiceName=ServiceName;
EyD=q! ZVZ ste[0].lpServiceProc=ServiceMain;
q77;ZPfs8 ste[1].lpServiceName=NULL;
/ivJsPH ste[1].lpServiceProc=NULL;
Pmr5S4Ka StartServiceCtrlDispatcher(ste);
B:;pvW] return;
8>2.UrC }
j9x<Y] /////////////////////////////////////////////////////////////////////////////
nzuX&bSw function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
_"Dv
uR 下:
7a=gH2]& /***********************************************************************
*/)c?)" Module:function.c
o/$} Date:2001/4/28
av}k)ZT_ Author:ey4s
<
Mn ; Http://www.ey4s.org SO|NaqWa ***********************************************************************/
\Xt7`I< #include
!N\@'F! ////////////////////////////////////////////////////////////////////////////
'8RsN-w BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
Bw)/DM] {
F#,90F' TOKEN_PRIVILEGES tp;
2\A$6N;_ LUID luid;
UUYSFa% g|DF[ if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
=w_Ype` {
RE7?KR> printf("\nLookupPrivilegeValue error:%d", GetLastError() );
t9k zw*U9 return FALSE;
';w#w<yaI }
7u -p%eq2 tp.PrivilegeCount = 1;
Z58X5" tp.Privileges[0].Luid = luid;
(Ft+uuG if (bEnablePrivilege)
jiV<+T? tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
^EtMxF@D else
k2omJ$?v tp.Privileges[0].Attributes = 0;
ITE{@1 // Enable the privilege or disable all privileges.
Xk~D$~4< AdjustTokenPrivileges(
=\&;Fi] hToken,
=V,mtT FALSE,
DbBcQ% &tp,
a?I=
!js sizeof(TOKEN_PRIVILEGES),
b(eNmu (PTOKEN_PRIVILEGES) NULL,
}WC[$Y_@ (PDWORD) NULL);
&=@IzmA // Call GetLastError to determine whether the function succeeded.
KVoS
C@w if (GetLastError() != ERROR_SUCCESS)
5Md=-,'J! {
sQUM~HD\a printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
="1Ind@w!
return FALSE;
MnsJEvn/ }
0rQMLx return TRUE;
E<{R.r }
<.x{|p ////////////////////////////////////////////////////////////////////////////
Thp[+KP> BOOL KillPS(DWORD id)
!1jBC.G1 {
Go`vfm"S HANDLE hProcess=NULL,hProcessToken=NULL;
.LPV#& BOOL IsKilled=FALSE,bRet=FALSE;
:)-Sk$ __try
1E[J%Rh\l {
,uSMQS-O'4 9Z@hPX3. if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
Gvt G(u~ {
}Sm(]y printf("\nOpen Current Process Token failed:%d",GetLastError());
lK?uXr7^ __leave;
?hZAxR\ }
pz!Zs."f) //printf("\nOpen Current Process Token ok!");
R$h<<v)% if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
7X`g,b! {
)!th7sH __leave;
0cv{ }
g+8OekzB5 printf("\nSetPrivilege ok!");
du
$:jN\} 4qb/daE:Z if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
SXSgld2uS {
I13y6= d printf("\nOpen Process %d failed:%d",id,GetLastError());
a=|K%ii+Y __leave;
}kw#7m54 }
EKYY6S2 //printf("\nOpen Process %d ok!",id);
P>y@kPi if(!TerminateProcess(hProcess,1))
:(E@Gf {
5N#aXG^9 printf("\nTerminateProcess failed:%d",GetLastError());
A]_7}<<N __leave;
NlA,'`, }
oM
X IsKilled=TRUE;
lF<]8m%F }
N~nziY*C,* __finally
+RHS!0 {
^rB8? kt if(hProcessToken!=NULL) CloseHandle(hProcessToken);
aj-Km`5r} if(hProcess!=NULL) CloseHandle(hProcess);
HDz5&