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。
\ZnN D1A OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
KVijs1q <1>与远程系统建立IPC连接
IhW7^(p\ <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
Z H-5Qy_ <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
*C_[jk@6 <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
,RK3eQ <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
NiTJ}1 l <6>服务启动后,killsrv.exe运行,杀掉进程
A^pW]r=Xtk <7>清场
%_tk7x 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
x YT}>#[ /***********************************************************************
4;\Y?M}g? Module:Killsrv.c
i| xt f Date:2001/4/27
PRpE$`WK Author:ey4s
IxP^i{/1? Http://www.ey4s.org A7'b Nd6f9 ***********************************************************************/
b?k4InXh #include
i`~~+6`J #include
px
[~=$F #include "function.c"
4g!7
4a #define ServiceName "PSKILL"
5Bd(>'ig_ !Zj#.6c9 SERVICE_STATUS_HANDLE ssh;
K`gc 4:A SERVICE_STATUS ss;
&|z|SY]DL /////////////////////////////////////////////////////////////////////////
7:kCb[ji" void ServiceStopped(void)
$nFAu}%C {
`e*61k5 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
=~",/I? ss.dwCurrentState=SERVICE_STOPPED;
)d_U)b7i ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
86{ZFtv ss.dwWin32ExitCode=NO_ERROR;
W gZ@N ss.dwCheckPoint=0;
O9;dd
yx ss.dwWaitHint=0;
lbofF==( SetServiceStatus(ssh,&ss);
{r{>?)O return;
gUb
"3g0 }
~ a>S#S /////////////////////////////////////////////////////////////////////////
ER2V*,n@ void ServicePaused(void)
s[Gswd {
|YXG(;-BS ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
7yUvL8p- ss.dwCurrentState=SERVICE_PAUSED;
/xf.\Z7< ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
`r9^:TMN ss.dwWin32ExitCode=NO_ERROR;
|DGCdB|`G ss.dwCheckPoint=0;
(l2<+R%1 ss.dwWaitHint=0;
_0*=u$~R SetServiceStatus(ssh,&ss);
?M]u$Te/. return;
g6`.qyVfz' }
I2W{tl void ServiceRunning(void)
G
"c/a8 {
YOlH*cZtg ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
AD,@,|A ss.dwCurrentState=SERVICE_RUNNING;
U#$:\fT ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
WSSaZ9
= ss.dwWin32ExitCode=NO_ERROR;
H<{*ub4'L* ss.dwCheckPoint=0;
>["Kd.ye ss.dwWaitHint=0;
}R\B.2#M_@ SetServiceStatus(ssh,&ss);
z(r"JNO@ return;
#-A5Z;TD. }
8vu2k> /////////////////////////////////////////////////////////////////////////
5%#i79z&B void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
{6DpPw^ " {
s?HsUD$b switch(Opcode)
|})rt5|f1! {
%"{?[!C ? case SERVICE_CONTROL_STOP://停止Service
z^"?sd ServiceStopped();
J (=4 break;
i /C'0 case SERVICE_CONTROL_INTERROGATE:
jw/wcP SetServiceStatus(ssh,&ss);
NCp%sGBmG break;
PaA6Z": }
;,R[]B01u return;
9B&
}7kk }
Jr|K> //////////////////////////////////////////////////////////////////////////////
))$ CEh"X //杀进程成功设置服务状态为SERVICE_STOPPED
Un~]Q?w //失败设置服务状态为SERVICE_PAUSED
j`Tm\!q //
Y{`3`Pg&N void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
s-fKh` {
F1zT )wW ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
$]xE$dzJ if(!ssh)
6
bYC {
T %$2k> ServicePaused();
lrq>TJEcx return;
~>lOl/n 5 }
{-~05,zE ServiceRunning();
ZE{aS4c Sleep(100);
hYs82P|2Ol //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
/vMQF+ //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
*1%e%G if(KillPS(atoi(lpszArgv[5])))
&IIJKn|_ ServiceStopped();
{(8U8f<'=y else
R994R@gz ServicePaused();
721{Ga4~S return;
p`shYyE }
Pm;x]Aj /////////////////////////////////////////////////////////////////////////////
MH C.k= void main(DWORD dwArgc,LPTSTR *lpszArgv)
oSpi{ $x {
d<e+__2 SERVICE_TABLE_ENTRY ste[2];
nNkyOaK*4 ste[0].lpServiceName=ServiceName;
yd\5Z[iEp ste[0].lpServiceProc=ServiceMain;
3U :YA&K( ste[1].lpServiceName=NULL;
DKe6?PG ste[1].lpServiceProc=NULL;
oHv{Y StartServiceCtrlDispatcher(ste);
3'|Uqf8 return;
9/@FADh }
BT
y]!%r' /////////////////////////////////////////////////////////////////////////////
-6.i\
B 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
oAIY=z 下:
!y[}| /***********************************************************************
S,ouj;B Module:function.c
d m/-} Date:2001/4/28
a>-}\GXTA Author:ey4s
hg<"Yg= Http://www.ey4s.org (**-"o]HH ***********************************************************************/
u K+9gTv #include
w!=_ ////////////////////////////////////////////////////////////////////////////
a>;3
j BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
A52LH, {
wdN>KS2! TOKEN_PRIVILEGES tp;
A)O_es2 LUID luid;
^=4I|+P,6. =!I8vQ> if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
(Von;U {
>x|A7iWn{, printf("\nLookupPrivilegeValue error:%d", GetLastError() );
[RGC!}"mr return FALSE;
I{*.htt{ }
/r::68_KQP tp.PrivilegeCount = 1;
yH0yO*RZ tp.Privileges[0].Luid = luid;
tS_xa if (bEnablePrivilege)
.P|+oYT&g tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
jWO&SW so else
46Y7HTwE tp.Privileges[0].Attributes = 0;
u`L!za7fi // Enable the privilege or disable all privileges.
JN;TGtB^p AdjustTokenPrivileges(
S?,KgMVM hToken,
L~?,6 FALSE,
vkNZ -`+I &tp,
9^b7jw sizeof(TOKEN_PRIVILEGES),
L:k@BCQM (PTOKEN_PRIVILEGES) NULL,
JWUv H (PDWORD) NULL);
O|^6UH // Call GetLastError to determine whether the function succeeded.
W[jW;uk if (GetLastError() != ERROR_SUCCESS)
_^ CQ*+F {
';fU.uy printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
:3E8`q~c1 return FALSE;
dctA`W@:- }
]`CKQ>
o return TRUE;
M Z|c7f&` }
6a 2w-}Fs ////////////////////////////////////////////////////////////////////////////
V;[__w BOOL KillPS(DWORD id)
rH}Dt@ {
Zo}\gg3 HANDLE hProcess=NULL,hProcessToken=NULL;
<Vr]2mw BOOL IsKilled=FALSE,bRet=FALSE;
|aOnV,} __try
wFoR,oXtL/ {
$J;=Ux)$ fO^EMy\ if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
9^C!,A{u4 {
6"rFfdns printf("\nOpen Current Process Token failed:%d",GetLastError());
;|2;kvf"w __leave;
n_!]B_Vd$ }
VW<"c 5| //printf("\nOpen Current Process Token ok!");
dTU.XgX)1^ if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
.@/z-OgXg {
?[L0LL?ce __leave;
e)
/u>I }
B#Oc8`1Y printf("\nSetPrivilege ok!");
Lu#@~ /="D]K)%b8 if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
tKqCy\-q {
NGb!7Mu9 printf("\nOpen Process %d failed:%d",id,GetLastError());
Jj^<:t5{rN __leave;
MCWG*~f }
DT7-v4Zd //printf("\nOpen Process %d ok!",id);
{]/Jk07 if(!TerminateProcess(hProcess,1))
~M9n<kmE {
\ /X!tlwxh printf("\nTerminateProcess failed:%d",GetLastError());
exrt|A]_[ __leave;
C{I8Pio{b }
S;AnpiBM8 IsKilled=TRUE;
<J_,9&\J }
h+'eFAZ __finally
efAahH {
J/P@m_Yx if(hProcessToken!=NULL) CloseHandle(hProcessToken);
8Q)mmkI\= if(hProcess!=NULL) CloseHandle(hProcess);
LXLIos55S }
~PS2[5yo return(IsKilled);
d=5}^v#4 }
%[bO\, //////////////////////////////////////////////////////////////////////////////////////////////
F*jjcUk OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
J/&*OC /*********************************************************************************************
Qmc;s{-r; ModulesKill.c
([XyW{=h! Create:2001/4/28
m=y,_Pz>U Modify:2001/6/23
!&:W1Jkp( Author:ey4s
/*p?UW<*4 Http://www.ey4s.org D(ntVR PsKill ==>Local and Remote process killer for windows 2k
8!fAv$g0 **************************************************************************/
e!x-:F#4j #include "ps.h"
9oau_Q# #define EXE "killsrv.exe"
!vo '8r?& #define ServiceName "PSKILL"
]B.,7 MUt^mu$86 #pragma comment(lib,"mpr.lib")
"E[*rnsLN //////////////////////////////////////////////////////////////////////////
6%hEs6-R //定义全局变量
' ^L SERVICE_STATUS ssStatus;
K}*p(1$u SC_HANDLE hSCManager=NULL,hSCService=NULL;
;NVTn<Uj BOOL bKilled=FALSE;
ppo$&W
&z char szTarget[52]=;
<Phr`/ //////////////////////////////////////////////////////////////////////////
Pv$"DEXA2 BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
8{=(#] BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
\U => BOOL WaitServiceStop();//等待服务停止函数
zSvHv s BOOL RemoveService();//删除服务函数
uXW.
(x7"f /////////////////////////////////////////////////////////////////////////
Fu$Gl$qV?% int main(DWORD dwArgc,LPTSTR *lpszArgv)
Ty`=U>K| {
!";$Zu BOOL bRet=FALSE,bFile=FALSE;
D@1^:'$V char tmp[52]=,RemoteFilePath[128]=,
[-94=|S @ szUser[52]=,szPass[52]=;
z8[|LF-dx HANDLE hFile=NULL;
Dq1XZ%8 DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
bIl0rx[` 7}7C0mV3 //杀本地进程
{.8)gVBmA if(dwArgc==2)
vh3iu+ {
GM5 6xZ!2T if(KillPS(atoi(lpszArgv[1])))
k.f:nv5JO printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
:qKY@-t7H else
"YU~QOGx@ printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
EC\:uK lpszArgv[1],GetLastError());
c] 9CN return 0;
K]Cs2IpI }
%iFIY=W //用户输入错误
JWjp<{Q;1 else if(dwArgc!=5)
(zODV4,5k` {
B9Tztg
printf("\nPSKILL ==>Local and Remote Process Killer"
'"p*FN "\nPower by ey4s"
8pt<)Rs} "\nhttp://www.ey4s.org 2001/6/23"
6y!?xot "\n\nUsage:%s <==Killed Local Process"
Yzx0 [_'u "\n %s <==Killed Remote Process\n",
]* Ki7h|B lpszArgv[0],lpszArgv[0]);
T}x%=4<E return 1;
ON!G{=7 }
2G>
]W?> //杀远程机器进程
p%_
:( strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
nezbmpL4 strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
;XuEMq,Di strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
"lb!m9F{ X.5LB!I) //将在目标机器上创建的exe文件的路径
#$T"QL@ sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
RxG./GY __try
4?uG> ;V {
t O;W?g //与目标建立IPC连接
_qNLy/AY if(!ConnIPC(szTarget,szUser,szPass))
?2>v5p {
Tz~ftf printf("\nConnect to %s failed:%d",szTarget,GetLastError());
@x
]^blq return 1;
Qn&^.e9I }
6;V1PK>9 printf("\nConnect to %s success!",szTarget);
;g9:0,xT4 //在目标机器上创建exe文件
^PpFI eR;0pWVl hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
?LM'5 E,
~]+
jn NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
(fb\A6 if(hFile==INVALID_HANDLE_VALUE)
j"8N)la {
C{^@. 8: printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
9F!&y- __leave;
.q }k }
p8J"%Jq} //写文件内容
8iA(:Tb while(dwSize>dwIndex)
)uWNN" {
ZM!~M>B9R IbwRb if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
5(Oc"0''H {
n/D]r printf("\nWrite file %s
hKYPH?b% failed:%d",RemoteFilePath,GetLastError());
NQ=YTRU __leave;
4tWI)}+ak }
E+ 20-> dwIndex+=dwWrite;
$Bb/GXn{\ }
Gjr2]t;E //关闭文件句柄
PCjY,O CloseHandle(hFile);
&i RX-)^u bFile=TRUE;
NE"fyX` //安装服务
%Ski5q if(InstallService(dwArgc,lpszArgv))
^Yz05\ {
INpub5 //等待服务结束
=<xbE;,0 if(WaitServiceStop())
3J<,2 {
z& jDO ex //printf("\nService was stoped!");
&.B6P|N' }
HbVLL`06* else
K4~Ox {
Y1IlH8+0 //printf("\nService can't be stoped.Try to delete it.");
9f`Pi:*+/ }
37Y]sJrs$ Sleep(500);
2oLa`33c1 //删除服务
9_{!nQC.g RemoveService();
= ;d<Ikj }
RUKSGj_NJ }
Xg,BK0O __finally
OFv} jT {
Pa<