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。
>g%^hjJ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
-uDB#?q:W <1>与远程系统建立IPC连接
Jl^Rz;bQ- <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
x(/KHpSWK <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
h)EHaaf <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
SCClD6k=V <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
[b:$sR; <6>服务启动后,killsrv.exe运行,杀掉进程
~RV>V*l <7>清场
} PD]e*z{Z 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
?j^[7 /***********************************************************************
IR (6 Module:Killsrv.c
o0Z(BTO Date:2001/4/27
+?[,y Author:ey4s
i,Yq
oe` Http://www.ey4s.org -_bHLoI ***********************************************************************/
6~KtT{MYQ #include
ceakTAB[ #include
5:mS~ #include "function.c"
" h,<PF #define ServiceName "PSKILL"
)P:r;a' VJ`c/EVIt SERVICE_STATUS_HANDLE ssh;
x.r OP_rs SERVICE_STATUS ss;
(R_#lRaQ /////////////////////////////////////////////////////////////////////////
[C
PgfVz void ServiceStopped(void)
H[ 6L! {
tn-_3C ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
m_Owe/BC#m ss.dwCurrentState=SERVICE_STOPPED;
IL?mt2I Q> ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
\#P>k;D ss.dwWin32ExitCode=NO_ERROR;
D(}w$hi8 ss.dwCheckPoint=0;
Y<U"}} ss.dwWaitHint=0;
ew(CfW2 SetServiceStatus(ssh,&ss);
~{,U%B return;
|wASeZMO2 }
MB9tnGO-Q /////////////////////////////////////////////////////////////////////////
h)[{{JSf void ServicePaused(void)
=yv_i]9AN {
s? /#8 ` ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
=H T:p:S ss.dwCurrentState=SERVICE_PAUSED;
Ys@M1o ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
ecK{+Z'G ss.dwWin32ExitCode=NO_ERROR;
bI)ItC_wf! ss.dwCheckPoint=0;
LRO'o{4$E ss.dwWaitHint=0;
E|ce[|2 SetServiceStatus(ssh,&ss);
60KhwD1 return;
Tu Q@b }
N=J$+ void ServiceRunning(void)
xjHOrr
OQ {
~7$E\w6 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
5!2^|y4r ss.dwCurrentState=SERVICE_RUNNING;
*Mf; ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
oVPtA@ ss.dwWin32ExitCode=NO_ERROR;
<eU28M?\ ss.dwCheckPoint=0;
FNpMu3Q ss.dwWaitHint=0;
+@]b}W SetServiceStatus(ssh,&ss);
t:tT Zh return;
=%,;=4w }
ITj0u&H: /////////////////////////////////////////////////////////////////////////
c[:OK9TH void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
SG1o<#> {
$dAQ'\f7 switch(Opcode)
HC0q_%j {
aa8xo5tIp case SERVICE_CONTROL_STOP://停止Service
gxEa?QH ServiceStopped();
-!uut7Z| break;
YNc]x> case SERVICE_CONTROL_INTERROGATE:
P+iZ5S\kL= SetServiceStatus(ssh,&ss);
8(R%?>8 break;
ueO&% }
{C>.fg%t return;
N&`VMEB)k }
W2L: //////////////////////////////////////////////////////////////////////////////
D9H(kk
//杀进程成功设置服务状态为SERVICE_STOPPED
{R[FwB^7wJ //失败设置服务状态为SERVICE_PAUSED
F|K=]. //
rn^7B-V void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
O>)<w
Ms` {
2s, [DC ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
Bl5*sfjG if(!ssh)
v)|[= {
& 2MI(9v ServicePaused();
csg:#-gE return;
K31G>k@ }
FLI\SF< ServiceRunning();
L,*KgLG Sleep(100);
%liu[6_ //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
+Hz});ix< //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
Mq-QWx"P if(KillPS(atoi(lpszArgv[5])))
8d9&LPv ServiceStopped();
)ndcBwQc" else
,}15Cse ServicePaused();
M17oAVN7D return;
BIf E+L( }
8$O=HE* /////////////////////////////////////////////////////////////////////////////
BZy&;P void main(DWORD dwArgc,LPTSTR *lpszArgv)
V eO$n*O {
3w9j~s SERVICE_TABLE_ENTRY ste[2];
?bc-?<Xk ste[0].lpServiceName=ServiceName;
)X{ x\
/N ste[0].lpServiceProc=ServiceMain;
%u\Oj \8U ste[1].lpServiceName=NULL;
*"V5j#F_ ste[1].lpServiceProc=NULL;
:[:5^R StartServiceCtrlDispatcher(ste);
6e,|HV return;
D>9~JHB }
tx}}Kd /////////////////////////////////////////////////////////////////////////////
uP<w rlW function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
l2uh"! 下:
(vm&&a@ /***********************************************************************
'Eds0"3 Module:function.c
m9bR
%j Date:2001/4/28
&V7@ TZ Author:ey4s
Wx#((T Http://www.ey4s.org "dfq ***********************************************************************/
Zw+VcZz3 #include
[Nb0&:$ay ////////////////////////////////////////////////////////////////////////////
12 HBq8o BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
7Iu^l4=2 {
NpV#zzE TOKEN_PRIVILEGES tp;
mm-!UsT LUID luid;
L3:dANG 8hWBTUN if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
=}N&c4I[j {
%bo0-lnp printf("\nLookupPrivilegeValue error:%d", GetLastError() );
Z;kRQ return FALSE;
XMb]&VvH }
,KvF:xqA tp.PrivilegeCount = 1;
$qkVu tp.Privileges[0].Luid = luid;
.`Ey'T_ if (bEnablePrivilege)
.kpL?_ tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
b%`^KEvwfo else
W- Q:G=S- tp.Privileges[0].Attributes = 0;
zfvMH"1
// Enable the privilege or disable all privileges.
C/Vs+aW
n AdjustTokenPrivileges(
f,:SI&c\ hToken,
&u5OL?> FALSE,
pME17 af &tp,
<a/TDW sizeof(TOKEN_PRIVILEGES),
+a$'<GvP (PTOKEN_PRIVILEGES) NULL,
[fF0Qa- (PDWORD) NULL);
r':wq // Call GetLastError to determine whether the function succeeded.
gycjIy@t if (GetLastError() != ERROR_SUCCESS)
K)z{R n {
6"@+Jz printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
0* Ox>O> return FALSE;
.!uXhF' }
*_G(*yAe( return TRUE;
S~BBBD }
$OI 6^ ////////////////////////////////////////////////////////////////////////////
MD(?Wh BOOL KillPS(DWORD id)
[J0f:&7\ {
>TSPEvWc HANDLE hProcess=NULL,hProcessToken=NULL;
eF]`?AeWQ BOOL IsKilled=FALSE,bRet=FALSE;
yuyI)ebC __try
GE;S5X]X {
W[trsFP1? @tQu3Rq@ if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
H;('h#=cD {
kev|AU (WX printf("\nOpen Current Process Token failed:%d",GetLastError());
6H+'ezM __leave;
^%(HZ'$wC }
f681i(q" //printf("\nOpen Current Process Token ok!");
(S1c6~ if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
on?<3eED {
+/u)/ey __leave;
YyOPgF] M }
RbPD3&. printf("\nSetPrivilege ok!");
Q]j[+e f4A;v|5_ if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
=l6aSr {
cj
?aCVa printf("\nOpen Process %d failed:%d",id,GetLastError());
V<X[>C' __leave;
l-;u*JA }
T(LqR?xOo //printf("\nOpen Process %d ok!",id);
!|!k9~v! if(!TerminateProcess(hProcess,1))
^PwZP;On {
#_]/Mr1 printf("\nTerminateProcess failed:%d",GetLastError());
@qP
uYFnw __leave;
N?cvQR{r9 }
S0,q@LV IsKilled=TRUE;
l=EnK"aU }
=T_E]>FF9 __finally
XY1D<