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。
2*O#m 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 }msF <1>与远程系统建立IPC连接
F5YoEWS <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
C@:X9NU <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
/ivVqOo <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
Dzu//_u <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
Zazs". <6>服务启动后,killsrv.exe运行,杀掉进程
h
x5M)8#+ <7>清场
W$,/hB& z 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
[QQM/ ? /***********************************************************************
hg0{x/Dgny Module:Killsrv.c
Xp06sl7 M Date:2001/4/27
@XtrC|dkkE Author:ey4s
y>E:]#F Http://www.ey4s.org Vq-Kl[-| ***********************************************************************/
>m;nt}f'+ #include
6S{F4v2/0 #include
FCwE/ 2, #include "function.c"
z^tzP~nI #define ServiceName "PSKILL"
s1::\&`za k\SqDmv SERVICE_STATUS_HANDLE ssh;
S!$S'{f< SERVICE_STATUS ss;
(j@c946z"" /////////////////////////////////////////////////////////////////////////
O9?.J,,mVh void ServiceStopped(void)
e&T-GL {
-u"|{5? ' ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Btzes. ss.dwCurrentState=SERVICE_STOPPED;
DHeZi3&i ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
2-Q5l* ss.dwWin32ExitCode=NO_ERROR;
SYsO>`/ ) ss.dwCheckPoint=0;
L'KKU4zj ss.dwWaitHint=0;
i={4rZOD^ SetServiceStatus(ssh,&ss);
Y-1K'VhT return;
ge?0>UU;~ }
Rsq EAdZw[ /////////////////////////////////////////////////////////////////////////
F[jqJzCz void ServicePaused(void)
v9 /37AU {
$?z}yx$ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
1oiSmW\ ss.dwCurrentState=SERVICE_PAUSED;
:XAyMK7 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
w<h8`K`3 ss.dwWin32ExitCode=NO_ERROR;
q&?hwX
Z7 ss.dwCheckPoint=0;
|k]]dP|:' ss.dwWaitHint=0;
jxm#4 SetServiceStatus(ssh,&ss);
kiyKL:6D| return;
V"K.s2U^ }
?-3G5yy void ServiceRunning(void)
~rjK*_3/ {
. bUmT ! ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
1~E4]Ef:W ss.dwCurrentState=SERVICE_RUNNING;
GoX<d{ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
1uKIO{d@ ss.dwWin32ExitCode=NO_ERROR;
<v_Wh@m ss.dwCheckPoint=0;
nwfu@h0G ss.dwWaitHint=0;
%q;y74 SetServiceStatus(ssh,&ss);
6?.S-.Mr return;
+.^pAz U}R }
=Xid"$ /////////////////////////////////////////////////////////////////////////
Yg&/^ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
izl-GitP {
z.)*/HGJm switch(Opcode)
]xb2W~ {
p(4B"[ !S case SERVICE_CONTROL_STOP://停止Service
doX`NbA ServiceStopped();
v5?)J91 break;
!~7lY]_U case SERVICE_CONTROL_INTERROGATE:
,d.5K*?aI SetServiceStatus(ssh,&ss);
k+i0@G'C( break;
4/3w
* }
H0lW gJmi| return;
b 5K"lPr }
!,b&e //////////////////////////////////////////////////////////////////////////////
-cn`D2RP //杀进程成功设置服务状态为SERVICE_STOPPED
wNFx1u^/) //失败设置服务状态为SERVICE_PAUSED
d%q&[<'jf //
"5N$u(: b void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
\oGU6h< {
MX!N?k#KhP ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
#\xy,C'Y if(!ssh)
EUgKJ=jw {
/=#~8 ServicePaused();
S @!z'$& return;
j2:9ahW
}
%|R]nB ServiceRunning();
fcohYo5mh Sleep(100);
pD~."fb //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
CL(D&8v8~ //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
ao(Lv+
if(KillPS(atoi(lpszArgv[5])))
w'xPKO$bzR ServiceStopped();
Rf=-Q
% else
qI74a F ServicePaused();
Lke!VS!P& return;
Ib/e\+H\ }
EQHCw<e /////////////////////////////////////////////////////////////////////////////
&f)pU>Di void main(DWORD dwArgc,LPTSTR *lpszArgv)
L0%W;m {
{[{jlG4H SERVICE_TABLE_ENTRY ste[2];
6HVX4Z#VH ste[0].lpServiceName=ServiceName;
E(*CEW.V* ste[0].lpServiceProc=ServiceMain;
3Dj>U*fP ste[1].lpServiceName=NULL;
cvtn,Ml6 ste[1].lpServiceProc=NULL;
]yFO~4Nu StartServiceCtrlDispatcher(ste);
^Vc(oa&; return;
CX5>/ }
BGu<1$G /////////////////////////////////////////////////////////////////////////////
J/Ch
/Sa 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
WE
/1h 下:
zrC1/%T /***********************************************************************
2,h]Y=.s Module:function.c
q((%sWp Date:2001/4/28
=C^4nP- Author:ey4s
+ul.P)1J6 Http://www.ey4s.org G{a_\'7 ***********************************************************************/
yOk]RB<'r #include
Vk1 c14i> ////////////////////////////////////////////////////////////////////////////
GgvMd~ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
,LU|WXRB {
}[;r-5} TOKEN_PRIVILEGES tp;
W#x~x| (c LUID luid;
[F,s=,S'M t6%zfm
if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
qFY>/fCP4 {
sA,2gbW printf("\nLookupPrivilegeValue error:%d", GetLastError() );
%e/L
.#0 return FALSE;
Z,,q mwd }
&w^:nVgl tp.PrivilegeCount = 1;
v dU) tp.Privileges[0].Luid = luid;
j>hBNz if (bEnablePrivilege)
Yjx4H tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
'FG@Rg( else
<7MxI@\ tp.Privileges[0].Attributes = 0;
94[8~_{fG // Enable the privilege or disable all privileges.
};>~P%u32 AdjustTokenPrivileges(
mbIHzzW> hToken,
%^;rYn3 FALSE,
Gnie|[3 &tp,
>#5jO9 sizeof(TOKEN_PRIVILEGES),
}FkF1?C (PTOKEN_PRIVILEGES) NULL,
:CXm@yF~4= (PDWORD) NULL);
>Qs{LEsLb // Call GetLastError to determine whether the function succeeded.
.JWN\\ if (GetLastError() != ERROR_SUCCESS)
KzZRFEA_ {
Mg\8m-L^ printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
:LTjV"f return FALSE;
#8B4*gAM }
-EWC3,3 return TRUE;
SA,+oq( }
E
qt\It9 ////////////////////////////////////////////////////////////////////////////
Q\*zF,ek BOOL KillPS(DWORD id)
Q.l3F3; {
Ez Xi*/ HANDLE hProcess=NULL,hProcessToken=NULL;
7n'Ww=ttI BOOL IsKilled=FALSE,bRet=FALSE;
Pt7yYl&n7^ __try
AXPdgo6 {
/9
|BAQ:v; VP6_}9:9
if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
?s9f}> {
$gaGaB printf("\nOpen Current Process Token failed:%d",GetLastError());
f.ws\^v% __leave;
+-MieiKv }
aj$&~-/
R //printf("\nOpen Current Process Token ok!");
bMN]co if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
"V<7X%LIX {
y7.oy" __leave;
+qM2&M }
E{IY7Xz^> printf("\nSetPrivilege ok!");
'17V7A/t VI8/@A1Gv if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
!+3nlG4cw {
7Q #A printf("\nOpen Process %d failed:%d",id,GetLastError());
xnC5WF7 __leave;
(6X{ & }
&