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。
{p&M(W] OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
],{b&\ <1>与远程系统建立IPC连接
Yg@k+ <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
"e<Z$"7i <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
J*s!(J |Q <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
z45
7/zO <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
:db:|=#T <6>服务启动后,killsrv.exe运行,杀掉进程
k@r%>Ul@ <7>清场
h3y0bV[g= 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
FWpcWmS`s /***********************************************************************
m":lKXpQ Module:Killsrv.c
o>lk+Q#L @ Date:2001/4/27
wc##'u Author:ey4s
:[f2iZ" Http://www.ey4s.org wRu+:<o^. ***********************************************************************/
R5=2EwrGP #include
A?I/[zkc #include
,YzrqVY #include "function.c"
)`5kfj #define ServiceName "PSKILL"
YSi[s*.G YB{hQ<W SERVICE_STATUS_HANDLE ssh;
a~>. SERVICE_STATUS ss;
rMkoE7n /////////////////////////////////////////////////////////////////////////
!#P|2>>u void ServiceStopped(void)
63R?=u@ {
OrN>4S ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
(}1 gO ss.dwCurrentState=SERVICE_STOPPED;
;w,+x 7 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
'lwLe3.c ss.dwWin32ExitCode=NO_ERROR;
4E[ 9)n+YV ss.dwCheckPoint=0;
P9(]9np,, ss.dwWaitHint=0;
W8hf
Qpw SetServiceStatus(ssh,&ss);
y;W|) return;
*`D(drnT{ }
YU! SdT$ /////////////////////////////////////////////////////////////////////////
ZZ/F}9!= void ServicePaused(void)
<n+?7`d, {
Uz(Sv:G ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
6^
UQ{P1; ss.dwCurrentState=SERVICE_PAUSED;
6;rJIk@Fx= ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
z3RD*3b ss.dwWin32ExitCode=NO_ERROR;
U1zcJl^ ss.dwCheckPoint=0;
m]t`;lr< ss.dwWaitHint=0;
P~Ss\PT SetServiceStatus(ssh,&ss);
4LY
kK/: return;
-yKx"Q9F }
yhnhORSY; void ServiceRunning(void)
6
6S
I {
E#'JYz@ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
zq ;YE ss.dwCurrentState=SERVICE_RUNNING;
<)01]lKH ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
*xY}?vSs ss.dwWin32ExitCode=NO_ERROR;
%-C ss.dwCheckPoint=0;
pRS+vV3 ss.dwWaitHint=0;
@ 63Uk2{W> SetServiceStatus(ssh,&ss);
OhUEp g[ return;
aKi&2>c5> }
iDp'M`(6h /////////////////////////////////////////////////////////////////////////
uLok0"} void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
@uru4>1_dy {
J'99 switch(Opcode)
@wa2Z {
9C;Hm>WEpP case SERVICE_CONTROL_STOP://停止Service
,khB*h14;h ServiceStopped();
t+C9QXY break;
72J@Dc case SERVICE_CONTROL_INTERROGATE:
Y`$dtg { SetServiceStatus(ssh,&ss);
3/+r*lv>X break;
qfF/X"#0 }
')]K& return;
NCm>iEeY }
xw2dEvjgp% //////////////////////////////////////////////////////////////////////////////
jhs('n, //杀进程成功设置服务状态为SERVICE_STOPPED
XN+~g.0 //失败设置服务状态为SERVICE_PAUSED
"VEA71 //
frB~ajXK void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
v2X>% {
Nr24Rv ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
""LCyKu if(!ssh)
u~kfz*hz {
n/ ]<Bc? ServicePaused();
pv/LTv return;
@KtQ~D }
#Av6BGM|, ServiceRunning();
QuEfV ?)_4 Sleep(100);
Snm
m(. //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
SRL`! //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
sfLH[Q? if(KillPS(atoi(lpszArgv[5])))
0#K?SuY.eN ServiceStopped();
;%u'w;sgq else
+C`h*%BW ServicePaused();
Grot3a return;
:-Gf GL>] }
a;},y|'E /////////////////////////////////////////////////////////////////////////////
879x(JII void main(DWORD dwArgc,LPTSTR *lpszArgv)
O0|**Km\+ {
:Bk!YK SERVICE_TABLE_ENTRY ste[2];
v.eN Wp ste[0].lpServiceName=ServiceName;
bwHl}3 ste[0].lpServiceProc=ServiceMain;
G8Hj<3` ste[1].lpServiceName=NULL;
]
T`6Hz! ste[1].lpServiceProc=NULL;
JPeZZ13sS StartServiceCtrlDispatcher(ste);
\2$-.npz return;
h( lkC[a& }
p8yn? ~]^ /////////////////////////////////////////////////////////////////////////////
U%E6"Hg 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
Dm=d
下:
SkGh@\ /***********************************************************************
0I|IL]JL Module:function.c
|$$gj[+^ Date:2001/4/28
m|tE3UBNv Author:ey4s
G=rgL'{ Http://www.ey4s.org >FrF"u:kM ***********************************************************************/
m@Ziif-A #include
jlhyn0 ////////////////////////////////////////////////////////////////////////////
>MXE)= BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
<p_r{ {
1_chO?&,I TOKEN_PRIVILEGES tp;
`S&(J2KV LUID luid;
z5~{WAAI <:v2N/i if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
[A@K)A$f {
8|:bis~wm printf("\nLookupPrivilegeValue error:%d", GetLastError() );
#w2;n@7;X return FALSE;
/qf2LO'+ }
f>g<:.k* tp.PrivilegeCount = 1;
f-Yp`lnn.d tp.Privileges[0].Luid = luid;
Oy U[( if (bEnablePrivilege)
XaFu(Xu7 tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
>.P/fnvJ else
kpxWi=y tp.Privileges[0].Attributes = 0;
*k&yD3br-V // Enable the privilege or disable all privileges.
{Q/XV= AdjustTokenPrivileges(
H.sYy-_]F hToken,
(X!?#)fyn FALSE,
C~C}b &tp,
]QB<N|ps sizeof(TOKEN_PRIVILEGES),
(eTe`
(PTOKEN_PRIVILEGES) NULL,
mkJC*45 (PDWORD) NULL);
v% mAU3M // Call GetLastError to determine whether the function succeeded.
ze%kP#c6!
if (GetLastError() != ERROR_SUCCESS)
`RRC8 ]l {
#LP38wE printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
KY1(yni&8[ return FALSE;
D%tcYI( }
(%\vp**F return TRUE;
)v1y
P }
b<]--\ ////////////////////////////////////////////////////////////////////////////
Q> Lh.U,{ BOOL KillPS(DWORD id)
zF+NS]XK {
w
Pk\dyP HANDLE hProcess=NULL,hProcessToken=NULL;
Equj[yw%@ BOOL IsKilled=FALSE,bRet=FALSE;
/h)_Q;35S; __try
<"Ox)XG3]W {
-\Y"MwIED DK!QGATh if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
j3<|X {
(}$pf6s printf("\nOpen Current Process Token failed:%d",GetLastError());
;0)|c}n+.5 __leave;
}N^A
(`L }
Idy{(Q //printf("\nOpen Current Process Token ok!");
R`)^eqB if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
PEKU {
^qn,b/>L __leave;
iL^bf* }
B@v\tpR printf("\nSetPrivilege ok!");
{'.[N79xP k!{0ku}] if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
4Dd@&N {
xY3KKje printf("\nOpen Process %d failed:%d",id,GetLastError());
pS1f y] __leave;
.@#GNZe }
'qhi8=* //printf("\nOpen Process %d ok!",id);
Z0Tpz2m if(!TerminateProcess(hProcess,1))
'<Nhq_u{ {
3LxhQVx2 printf("\nTerminateProcess failed:%d",GetLastError());
>mk} __leave;
})I_@\q }
Z6.0X{6nA IsKilled=TRUE;
.?16w`Y }
a>3#z2# __finally
O
WJv<3 {
)#^5$5 if(hProcessToken!=NULL) CloseHandle(hProcessToken);
v/W\k.?q/ if(hProcess!=NULL) CloseHandle(hProcess);
:h4Nfz( }
wt8?@lJ"/ return(IsKilled);
q 9cN2|: }
\Vc-W|e //////////////////////////////////////////////////////////////////////////////////////////////
*bi!iz5F OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
*.4VO+^ /*********************************************************************************************
&, =Z ModulesKill.c
COV8=E~ Create:2001/4/28
5Op|="W. Modify:2001/6/23
f!|$!r*q Author:ey4s
3Pj#k|(f[0 Http://www.ey4s.org =/ b2e\ PsKill ==>Local and Remote process killer for windows 2k
-E*VF{IG1 **************************************************************************/
kOu C@~, #include "ps.h"
w=dTa5 #define EXE "killsrv.exe"
,YEwz3$5u #define ServiceName "PSKILL"
x#_\b- s)gU vS\ #pragma comment(lib,"mpr.lib")
\Zpg,KOT //////////////////////////////////////////////////////////////////////////
,*y\b|<j //定义全局变量
.(RX;.lw SERVICE_STATUS ssStatus;
1
P0)La# SC_HANDLE hSCManager=NULL,hSCService=NULL;
E<
57d,3l BOOL bKilled=FALSE;
P(n_eIF-f
char szTarget[52]=;
OMl<=;^:| //////////////////////////////////////////////////////////////////////////
yvQRr75 BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
3lkz:]SsE BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
xsPY# BOOL WaitServiceStop();//等待服务停止函数
kjS9?>i BOOL RemoveService();//删除服务函数
5,i0QT" /////////////////////////////////////////////////////////////////////////
PVNDvUce int main(DWORD dwArgc,LPTSTR *lpszArgv)
EFd9n {
"[Z'n9C BOOL bRet=FALSE,bFile=FALSE;
)<<}8Fs char tmp[52]=,RemoteFilePath[128]=,
i4Ps#R_wx szUser[52]=,szPass[52]=;
/Dmuvb|A HANDLE hFile=NULL;
lk<}`#( g DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
W7\s=t\ 2YS1%<-g* //杀本地进程
T>$S&U if(dwArgc==2)
^ UB*Q {
Ct8}jg" if(KillPS(atoi(lpszArgv[1])))
*$+:Cbe-F printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
><l|&&e- else
[]\=(Uc; printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
Te\i;7;4u lpszArgv[1],GetLastError());
qHU=X"rn return 0;
4!l%@R>O2 }
x{o&nhuk[S //用户输入错误
2.
t'!uwI else if(dwArgc!=5)
=!?4$vW {
['`Vg=O.{ printf("\nPSKILL ==>Local and Remote Process Killer"
h'wI "\nPower by ey4s"
JBvMe H5 "\nhttp://www.ey4s.org 2001/6/23"
qm!&(8NfK "\n\nUsage:%s <==Killed Local Process"
?y1G,0, "\n %s <==Killed Remote Process\n",
dTATJ)NH lpszArgv[0],lpszArgv[0]);
p+ki1!Ed return 1;
.huk>
}
8<2
[ F //杀远程机器进程
B%L dH strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
Ub"6OT1tl strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
UP+4xG strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
ZLN79r{T 8|U-{"!O? //将在目标机器上创建的exe文件的路径
!_a@autj sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
hFLLg|@ __try
/:BM]K {
@hz~9AII9 //与目标建立IPC连接
Klv~#9Si if(!ConnIPC(szTarget,szUser,szPass))
v
7g? {
DJ]GM|? printf("\nConnect to %s failed:%d",szTarget,GetLastError());
5N5Deb#V return 1;
#rps2nf.j }
v}>5!* printf("\nConnect to %s success!",szTarget);
0v"h/ //在目标机器上创建exe文件
[VL+X^ 5GHW~q!Zo\ hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
FN>ns, E,
usFhcU NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
2Nau]y]= if(hFile==INVALID_HANDLE_VALUE)
ywCF{rRd {
LQr+)wI printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
)W0zu\fL = __leave;
=KCAHNr4? }
xO` `X< //写文件内容
k~|5TO while(dwSize>dwIndex)
Y/Dah* {
Ln3<r&&Jz |B`
mWZ'" if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
:wRaB7 {
YU(|i}b printf("\nWrite file %s
V\=QAN^ failed:%d",RemoteFilePath,GetLastError());
HUuZ7jJwf __leave;
3<:m;F*# }
X1N*}@:/ dwIndex+=dwWrite;
c_RAtM<n }
@ /yQ4Gr //关闭文件句柄
BQ
/0z^A CloseHandle(hFile);
61*inGRB bFile=TRUE;
PDQ\ND //安装服务
920 o]Dh=t if(InstallService(dwArgc,lpszArgv))
{i!@C(M3 {
%aHQIoxg //等待服务结束
9NPOdt:@ if(WaitServiceStop())
^5,B6 {
VW%eB //printf("\nService was stoped!");
l`M7a9*U }
FKVf_Ncf% else
M<KWx'uV {
Ug=)_~ //printf("\nService can't be stoped.Try to delete it.");
!92zC._ }
Scfk]DT Sleep(500);
w<54mGMOLr //删除服务
6.>l RemoveService();
wFHz<i!jr& }
r'/H3 }
d7)EzW|I; __finally
Y{v\m(D {
]u(EEsG/ //删除留下的文件
]|#%`p56 if(bFile) DeleteFile(RemoteFilePath);
7Ns1b(kU //如果文件句柄没有关闭,关闭之~
Dg_AoC if(hFile!=NULL) CloseHandle(hFile);
^XbN&'^,HL //Close Service handle
5kju{2`GF if(hSCService!=NULL) CloseServiceHandle(hSCService);
_w\A=6=q| //Close the Service Control Manager handle
v_s( if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
MRn;D|Q //断开ipc连接
$RJpn]d
j wsprintf(tmp,"\\%s\ipc$",szTarget);
J<'7z%2w WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
MNzWTn@ if(bKilled)
#y4+O;{ printf("\nProcess %s on %s have been
)vcyoq killed!\n",lpszArgv[4],lpszArgv[1]);
CPj8`kl else
0Ia8x?80V printf("\nProcess %s on %s can't be
X$4MpXx killed!\n",lpszArgv[4],lpszArgv[1]);
PRyZ; @ }
&!=[.1H< return 0;
#rs]5tx([ }
r: :LQ$ //////////////////////////////////////////////////////////////////////////
I_\#( BOOL ConnIPC(char *RemoteName,char *User,char *Pass)
(tLAJ_v!.K {
)kl(}.9X
NETRESOURCE nr;
sBuOKT/j char RN[50]="\\";
&qO#EEqG] O 6}eV^y strcat(RN,RemoteName);
/ivA[LSS strcat(RN,"\ipc$");
Z91GM1lrf8 +l8`oQuG nr.dwType=RESOURCETYPE_ANY;
Vw~st1",[ nr.lpLocalName=NULL;
I6B`G Im5 nr.lpRemoteName=RN;
ztRe\(9bL nr.lpProvider=NULL;
]g0h7q)79 (aQNe{D# if(WNetAddConnection2(&nr,Pass,User,FALSE)==NO_ERROR)
D+u#!t[q return TRUE;
X\yy\`o else
4sCzUvI~Y1 return FALSE;
Dno'-{- }
`uN}mC!r] /////////////////////////////////////////////////////////////////////////
F CbU> 1R BOOL InstallService(DWORD dwArgc,LPTSTR *lpszArgv)
/`b(} m {
R3`h$`G BOOL bRet=FALSE;
*=p[;V __try
>Y\$9W=t {
j0F'I*Z3 //Open Service Control Manager on Local or Remote machine
P
nxx W? hSCManager=OpenSCManager(szTarget,NULL,SC_MANAGER_ALL_ACCESS);
R
| &+g\{; if(hSCManager==NULL)
0:SR29(p1 {
3cH`>#c printf("\nOpen Service Control Manage failed:%d",GetLastError());
MkCq$MA __leave;
<PayP3E }
2VgDM6h //printf("\nOpen Service Control Manage ok!");
d>f.p"B.gj //Create Service
0kp#+&)+ hSCService=CreateService(hSCManager,// handle to SCM database
Q-qM"8I ServiceName,// name of service to start
P t)Ni ServiceName,// display name
8>KBh)q SERVICE_ALL_ACCESS,// type of access to service
"yo~;[ SERVICE_WIN32_OWN_PROCESS,// type of service
3r[}'ba\ SERVICE_AUTO_START,// when to start service
H}[kit*9 SERVICE_ERROR_IGNORE,// severity of service
6hvmp failure
42Vz6 k: EXE,// name of binary file
<.HDv:
NULL,// name of load ordering group
q|N/vkqPz NULL,// tag identifier
pFZ2(b& NULL,// array of dependency names
2Y` C\u NULL,// account name
OK6c"*<z NULL);// account password
#w
*]`5
T //create service failed
#go!"HL if(hSCService==NULL)
L#|,_j=9 {
_?+gfi+ //如果服务已经存在,那么则打开
4 )U,A~! if(GetLastError()==ERROR_SERVICE_EXISTS)
0bt"U=x4 {
Y\sSW0ZX //printf("\nService %s Already exists",ServiceName);
mg)Zo C //open service
I\|x0D hSCService = OpenService(hSCManager, ServiceName,
iLyJ7zby SERVICE_ALL_ACCESS);
6u'+#nm if(hSCService==NULL)
a+--2+~= {
!RJuH;8 printf("\nOpen Service failed:%d",GetLastError());
-b7q)%V __leave;
;Az9p h }
j1yW{
//printf("\nOpen Service %s ok!",ServiceName);
&QoV(%:] }
~G;lEp else
Rpi@^~aPE {
*_aeK~du. printf("\nCreateService failed:%d",GetLastError());
x2KIGG^ __leave;
C]xKdPQj% }
Y@+e)p{ }
YXdd=F //create service ok
w[A$bqz else
k7 0o=} {
_Kw<4$0<p //printf("\nCreate Service %s ok!",ServiceName);
6;:s N8M+1 }
S"/M+m+ ] T"NDL[* // 起动服务
h5x_Vjj if ( StartService(hSCService,dwArgc,lpszArgv))
#:Tb(R {
G/w&yd4 //printf("\nStarting %s.", ServiceName);
o!";&\,Ip Sleep(20);//时间最好不要超过100ms
^D{!!)O while( QueryServiceStatus(hSCService, &ssStatus ) )
3miEF0x[ {
TxN'[G if ( ssStatus.dwCurrentState == SERVICE_START_PENDING)
]4$t'wI. {
!@r1B`]j+" printf(".");
2}ttCm Sleep(20);
_aR_[ }
{!$E\e^d else
AaVj^iy/X break;
$Ka-ZPy<# }
7AE)P[ if ( ssStatus.dwCurrentState != SERVICE_RUNNING )
+~E;x1&' printf("\n%s failed to run:%d",ServiceName,GetLastError());
p\7(`0?8VN }
*G<K@k else if(GetLastError()==ERROR_SERVICE_ALREADY_RUNNING)
tY1M7B^~ {
IC1oW) //printf("\nService %s already running.",ServiceName);
Gs2|#*6 }
nO'lN<L else
@-7h}2P Q {
)YB@6TiD printf("\nStart Service %s failed:%d",ServiceName,GetLastError());
LFi 8@ __leave;
F@76V$U. }
B``) bRet=TRUE;
:$>Co\D }//enf of try
z/B[quSio __finally
aQMUC6cPM@ {
K!JXsdHK return bRet;
.5i\L OTd }
J <<Ph return bRet;
XtJ_po }
\fHtk _ /////////////////////////////////////////////////////////////////////////
lf<