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。
5P{dey! OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
T:x5 ,vpM <1>与远程系统建立IPC连接
qT#+DDEAL <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
)xCpQ=nS <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
]3hz{zqV^ <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
I=&5m g=m <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
>bxT_qEm <6>服务启动后,killsrv.exe运行,杀掉进程
D.)$\Caq <7>清场
k6rX/ocu 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
mH*42XC* /***********************************************************************
b,5H|$nLu Module:Killsrv.c
#{7= Date:2001/4/27
vIG8m@-!&; Author:ey4s
Pgf$GXE Http://www.ey4s.org f2[z)j7 ***********************************************************************/
OTd=(dwh #include
|s|>46E #include
S]ZO*+ #include "function.c"
=O1CxsKt6 #define ServiceName "PSKILL"
T3Kq1
Rh YD2M<.U SERVICE_STATUS_HANDLE ssh;
//KTEAYyy# SERVICE_STATUS ss;
!.iu_xJ /////////////////////////////////////////////////////////////////////////
H7G*Vg void ServiceStopped(void)
mn\e(WoX {
K2nq2Gbn ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
1iaNb[:QX ss.dwCurrentState=SERVICE_STOPPED;
{@g3AG% ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
I%%\;Dy ss.dwWin32ExitCode=NO_ERROR;
x*5'
6 ss.dwCheckPoint=0;
W5}.WFu ss.dwWaitHint=0;
jEklf0Z SetServiceStatus(ssh,&ss);
hbR;zV|US return;
NI=t)[\F }
<Sm -Z,| /////////////////////////////////////////////////////////////////////////
s2g}IZfo void ServicePaused(void)
]tH/87qJ {
btw_k+Fh ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
+^<CJNDL9 ss.dwCurrentState=SERVICE_PAUSED;
Z<En3^j` ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
Jjik~[<q: ss.dwWin32ExitCode=NO_ERROR;
2j-|.l c ss.dwCheckPoint=0;
] =b?^' ss.dwWaitHint=0;
:Y
y+% SetServiceStatus(ssh,&ss);
B:ddlxT$ return;
h0Acpd2 }
eJE?H] void ServiceRunning(void)
5ejdf {
4PTHUyX ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
ItQI M# ss.dwCurrentState=SERVICE_RUNNING;
e`4OlM] ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
kJy<vb~
ss.dwWin32ExitCode=NO_ERROR;
/YHBhoat ss.dwCheckPoint=0;
:<gmgI ss.dwWaitHint=0;
.Xo, BEjE/ SetServiceStatus(ssh,&ss);
ywmx6q4MFL return;
N4!YaQQ;} }
7u,56V?X /////////////////////////////////////////////////////////////////////////
3nd02:GF void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
{#uX
{
TuwH?{
FzK switch(Opcode)
o; 6\ {
Po&gr@e.V case SERVICE_CONTROL_STOP://停止Service
$J[h(>-X ServiceStopped();
FOB9CsMe break;
1>bkVA case SERVICE_CONTROL_INTERROGATE:
W>dS@;E SetServiceStatus(ssh,&ss);
4a>z]&s break;
5'\/gvxIC }
y&lj+j return;
,nMLua\ }
P^v`5v //////////////////////////////////////////////////////////////////////////////
.,l?z //杀进程成功设置服务状态为SERVICE_STOPPED
=Z2U //失败设置服务状态为SERVICE_PAUSED
en!cu_]t //
,bmiIW% void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
#g4X`AHB {
xex/L%!Rj ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
6;dB if(!ssh)
gTW(2?xYf {
x_v pds ServicePaused();
[HtU-8: return;
P`[6IS#\S }
#1z}~1- ServiceRunning();
$]\N/}1v Sleep(100);
]5x N^7_!j //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
KmEm //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
7\JRHw if(KillPS(atoi(lpszArgv[5])))
p}R)qz-=5U ServiceStopped();
PLg`\| else
Kx*;!3-V$ ServicePaused();
W=mh*G3y return;
W3{k{~ }
yXc/Nl% /////////////////////////////////////////////////////////////////////////////
:2 ?dl:l void main(DWORD dwArgc,LPTSTR *lpszArgv)
M^mS#<!y {
oQ8W0`bZa SERVICE_TABLE_ENTRY ste[2];
@luv;X^% ste[0].lpServiceName=ServiceName;
3 _:yHwkD ste[0].lpServiceProc=ServiceMain;
j?/T7a^ ste[1].lpServiceName=NULL;
W)<us?5Ec5 ste[1].lpServiceProc=NULL;
$4 >K2 StartServiceCtrlDispatcher(ste);
p:k>!8.Qho return;
Wh(V?!^@5 }
2<fG= I8 /////////////////////////////////////////////////////////////////////////////
?b2"~A 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
-nN }8&l 下:
s4;SA /***********************************************************************
q3T'rw%Eh Module:function.c
?5'UrqYSW Date:2001/4/28
1`5d~>fV Author:ey4s
qW][Q%'lt Http://www.ey4s.org vNd4Fn)H ***********************************************************************/
TTmNPp4q #include
`DC)U1 ////////////////////////////////////////////////////////////////////////////
G~8C7$0z BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
~7 C` a$ {
fph*|T&R TOKEN_PRIVILEGES tp;
vov"60K LUID luid;
-2K`:}\y& 9w}A7(' if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
8D)*~C'85E {
-HP [IJP printf("\nLookupPrivilegeValue error:%d", GetLastError() );
^&h|HO-5 return FALSE;
-"\z|OQ }
bf'@sh%W tp.PrivilegeCount = 1;
9FX'Uw s tp.Privileges[0].Luid = luid;
4ZQXYwfC| if (bEnablePrivilege)
/tJJ2 =%l tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
#J, `a. else
)<1M'2 tp.Privileges[0].Attributes = 0;
K
S,X$)9 // Enable the privilege or disable all privileges.
3vHEPm] AdjustTokenPrivileges(
$vTU|o>| hToken,
5bH@R@3 m FALSE,
oslrv7EK &tp,
wP+wA}SN sizeof(TOKEN_PRIVILEGES),
BB|w-W=Kd (PTOKEN_PRIVILEGES) NULL,
+ 3aAL& (PDWORD) NULL);
4 rw<C07Z // Call GetLastError to determine whether the function succeeded.
^WVH z;
if (GetLastError() != ERROR_SUCCESS)
(4>k+ H {
S3P;@Rm printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
zK}$W73W^ return FALSE;
!HY+6!hk }
1$q SbQ return TRUE;
{E@Vh
}
`V$i*{c:# ////////////////////////////////////////////////////////////////////////////
FlrLXTx0 BOOL KillPS(DWORD id)
X@\rg}kP {
g&\A1H HANDLE hProcess=NULL,hProcessToken=NULL;
zo7Hm]W` BOOL IsKilled=FALSE,bRet=FALSE;
rts@1JY[ __try
s0E:hn: {
S$=])^ dur p3\F1]( Z if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
e#0R9+"Ba {
/$%apci8 printf("\nOpen Current Process Token failed:%d",GetLastError());
]}w~fjq __leave;
{Tm31f(oD }
](aXZ<, //printf("\nOpen Current Process Token ok!");
DdN{=}A if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
0%cbno@1V {
<I&X[Sqp __leave;
?Sh]m/WZd[ }
=xw) [ printf("\nSetPrivilege ok!");
,~hvFTJI &+xNR2"; if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
p4fU/ {
K!).QB'
printf("\nOpen Process %d failed:%d",id,GetLastError());
H .JA)*b- __leave;
,&G