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。
"FU|I1Xz OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
^Ni)gm{?k <1>与远程系统建立IPC连接
V)]&UbEL| <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
y8L:nnSj <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
VltWY'\Wu; <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
i8{jMe!Sa <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
5&>(|Y~I <6>服务启动后,killsrv.exe运行,杀掉进程
82<L07fB <7>清场
hYV{N7$U| 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
Cfj*[i4 /***********************************************************************
D >mLSh Module:Killsrv.c
YPM>FDxDB Date:2001/4/27
vfj Ipg%i Author:ey4s
{T IGPK Http://www.ey4s.org 2PC4EjkC ***********************************************************************/
kO.rgW82 #include
x6,RW],FGR #include
V7^?jck #include "function.c"
NE! Xt <A #define ServiceName "PSKILL"
+)Ty^;+[1 YT_kMy> SERVICE_STATUS_HANDLE ssh;
&F:7U! SERVICE_STATUS ss;
f`c z@ /////////////////////////////////////////////////////////////////////////
N*x gVj* void ServiceStopped(void)
Z(.Tl M2h {
d/^^8XUK ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
!nu['6I% ss.dwCurrentState=SERVICE_STOPPED;
B|Omz:c ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
[9L(4F20 ss.dwWin32ExitCode=NO_ERROR;
?>&8,p17 ss.dwCheckPoint=0;
WULj@ds\~ ss.dwWaitHint=0;
LJ)3!Q/: SetServiceStatus(ssh,&ss);
bcZuV5F& return;
`i{ :mio }
Re2kD/S3 /////////////////////////////////////////////////////////////////////////
cqq+#39iC void ServicePaused(void)
wD<G+Y} {
l9Vim9R5T ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
OS,$}I[`8 ss.dwCurrentState=SERVICE_PAUSED;
E|6|m8 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
V>%%2"&C ss.dwWin32ExitCode=NO_ERROR;
"Vh(%N`6 ss.dwCheckPoint=0;
LU]~d<i99 ss.dwWaitHint=0;
hImCy9i} SetServiceStatus(ssh,&ss);
v`fUAm/ return;
QXrK-&fju }
C]`Y PM5 void ServiceRunning(void)
,lUo@+ {
J]N}8 0 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
qdm!]w.G5 ss.dwCurrentState=SERVICE_RUNNING;
r=k}EP&< ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
WsoB!m ss.dwWin32ExitCode=NO_ERROR;
MqpoS ss.dwCheckPoint=0;
Nr)(&c8 ss.dwWaitHint=0;
{tM D*?C[6 SetServiceStatus(ssh,&ss);
OY)x
Kca return;
2H /a&uo@n }
ep^0Cd/ /////////////////////////////////////////////////////////////////////////
5x: XXj" void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
lC2xl( #! {
OU## A:gI switch(Opcode)
nYe}d! {
"6}+|!"$ case SERVICE_CONTROL_STOP://停止Service
>5j/4Ly ServiceStopped();
(-#{qkA break;
0TNzVsu7 case SERVICE_CONTROL_INTERROGATE:
p$V+IJtO( SetServiceStatus(ssh,&ss);
S\,{qhd break;
ff0B*0 }
Fc]#\d6 return;
4rx|6NV6 }
l>]M^=,&7 //////////////////////////////////////////////////////////////////////////////
tY#^3ac //杀进程成功设置服务状态为SERVICE_STOPPED
xq{4i|d) //失败设置服务状态为SERVICE_PAUSED
'=2t(@aC //
U".-C`4v void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
c;e,)$)-| {
?BRL;( x ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
u>eu47"n! if(!ssh)
+!<`$+W {
Jq!($PdA ServicePaused();
k9,"`dk@ return;
Y}6)jzBV }
UvI!e4_ ServiceRunning();
pI!55w| Sleep(100);
)ad-s //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
:b=0_<G //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
bc ZonS if(KillPS(atoi(lpszArgv[5])))
IIPf5
Z}A ServiceStopped();
pxF!<nN1, else
-K!-a'J ServicePaused();
vuAjAeKm return;
/?GBp[(0 }
l gC /////////////////////////////////////////////////////////////////////////////
|(V3 void main(DWORD dwArgc,LPTSTR *lpszArgv)
-bE|FFU {
>"[u.1J_'I SERVICE_TABLE_ENTRY ste[2];
YU`{ ste[0].lpServiceName=ServiceName;
YszhoHYh ste[0].lpServiceProc=ServiceMain;
:Ls36E8f= ste[1].lpServiceName=NULL;
BpC Sf.zZ ste[1].lpServiceProc=NULL;
EAfSbK3z StartServiceCtrlDispatcher(ste);
u|ZO"t return;
3LmHH
= }
oMPQkj; /////////////////////////////////////////////////////////////////////////////
+R_U 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
X}yYBf/R` 下:
\5Jv;gc\\ /***********************************************************************
ox6rR
Module:function.c
Ojs\2('u Date:2001/4/28
L:<'TXsRA Author:ey4s
?Y9?x,x Http://www.ey4s.org QKO(8D 6+ ***********************************************************************/
I%Awj(9BS #include
SS`C0&I@p ////////////////////////////////////////////////////////////////////////////
nAzr!$qbNv BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
liTr3T`,V {
(tgaH,G TOKEN_PRIVILEGES tp;
hqBRh+[ LUID luid;
`+uXL9mo J3]m*i5A if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
$enh45Wy {
;w>B}v;RE printf("\nLookupPrivilegeValue error:%d", GetLastError() );
<wC1+/] return FALSE;
b$`O|S }
@oEDtN tp.PrivilegeCount = 1;
mAzW'Q4D tp.Privileges[0].Luid = luid;
d(!N$B\[5T if (bEnablePrivilege)
2Kidbf tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
<fJ\AP5 else
vpDs5tUl tp.Privileges[0].Attributes = 0;
,b4&$W]. // Enable the privilege or disable all privileges.
3Z0\I\E AdjustTokenPrivileges(
xpM~*Gpm hToken,
)N<!3yOz FALSE,
>U)O@W) &tp,
J[l K sizeof(TOKEN_PRIVILEGES),
H/$q]i*#K (PTOKEN_PRIVILEGES) NULL,
*"ShE=\p (PDWORD) NULL);
0u_'(Z-^2 // Call GetLastError to determine whether the function succeeded.
gUp0RPs if (GetLastError() != ERROR_SUCCESS)
`Nn?G {
gm DC,"Y< printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
wu')Q/v return FALSE;
d%hA~E1rR }
m5Kx}H~ return TRUE;
Mx"tUoU6z }
MF`'r#@:wa ////////////////////////////////////////////////////////////////////////////
yKJ^hv"# BOOL KillPS(DWORD id)
N,|oV|i {
U4gwxK HANDLE hProcess=NULL,hProcessToken=NULL;
EMG*8HRI>r BOOL IsKilled=FALSE,bRet=FALSE;
;j=1 oW __try
-+>am? {
ui1m+ jq)|Uq'6 if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
bed+Ur& {
t3G'x1 printf("\nOpen Current Process Token failed:%d",GetLastError());
mxGN[%ve __leave;
V*}zwms6 }
1*h7L<#|mQ //printf("\nOpen Current Process Token ok!");
6qlr+f if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
"puz-W'n {
R{_IrYk __leave;
R{vPn8X6g }
8H?AL
RG printf("\nSetPrivilege ok!");
&/9oi_r%r t^hkGYj!2 if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
_3a
5/IZ {
3iw9jhK!W printf("\nOpen Process %d failed:%d",id,GetLastError());
Hw{Y.@)4R __leave;
Dfia=1A }
G.8b\E~ //printf("\nOpen Process %d ok!",id);
T#7^6Ks+1 if(!TerminateProcess(hProcess,1))
Ks(U]G"V {
S)yV51^B printf("\nTerminateProcess failed:%d",GetLastError());
]||=<!^kn __leave;
'QF>e }
]6 wi IsKilled=TRUE;
!`lqWO_/
: }
T*yveo&j __finally
sA}R! {
<h9\ A& if(hProcessToken!=NULL) CloseHandle(hProcessToken);
!$Z"\v'b if(hProcess!=NULL) CloseHandle(hProcess);
EB<q. }
m{c#cR return(IsKilled);
q;.]e#wvh }
G>QTPXcD //////////////////////////////////////////////////////////////////////////////////////////////
LnS>3$t* 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:
MFuI&u!g: /*********************************************************************************************
/MH@>C
_ ModulesKill.c
Z"X*FzFo Create:2001/4/28
8
-A7 Modify:2001/6/23
VsEAo Author:ey4s
JxJ ntsn Http://www.ey4s.org }3w b*,Sbz PsKill ==>Local and Remote process killer for windows 2k
6/ipdi[
_ **************************************************************************/
\DK*>
k #include "ps.h"
&,]+> #define EXE "killsrv.exe"
@~3c"q;i7 #define ServiceName "PSKILL"
dRm'$
G9 j*d~h$[k #pragma comment(lib,"mpr.lib")
(L%q/$ //////////////////////////////////////////////////////////////////////////
u V7Hsg9l //定义全局变量
tYZGf xj SERVICE_STATUS ssStatus;
/}_c7+// SC_HANDLE hSCManager=NULL,hSCService=NULL;
:n9~H+! BOOL bKilled=FALSE;
7G/|e24 char szTarget[52]=;
Ws)X5C=A //////////////////////////////////////////////////////////////////////////
p]Zabky BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
P1 stL, BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
F
t/
x5 BOOL WaitServiceStop();//等待服务停止函数
s$x] fO BOOL RemoveService();//删除服务函数
}TJ|d= /////////////////////////////////////////////////////////////////////////
-i5g 8t' int main(DWORD dwArgc,LPTSTR *lpszArgv)
**w~ {
y4We}/-< BOOL bRet=FALSE,bFile=FALSE;
H^;S}<pxW char tmp[52]=,RemoteFilePath[128]=,
U^BXCu1km szUser[52]=,szPass[52]=;
2 _n*u^X:_ HANDLE hFile=NULL;
&\|<3sd( DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
ok%!o+nk. ;<@6f @ //杀本地进程
rq["O/2 if(dwArgc==2)
lFGxW 5 {
tkqBCKpDa if(KillPS(atoi(lpszArgv[1])))
ZM`P~N1?)g printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
a9zph2o-
else
h\*rv5\M printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
Ej09RO"pB lpszArgv[1],GetLastError());
9w;J7jgOT! return 0;
:;q_f+U }
.y9rM{h}b //用户输入错误
fhIj+/{_O else if(dwArgc!=5)
~Z6p3#
!o {
c_$&Uii printf("\nPSKILL ==>Local and Remote Process Killer"
p[F=L P "\nPower by ey4s"
^.kAZSgO "\nhttp://www.ey4s.org 2001/6/23"
ZQ-`l:G "\n\nUsage:%s <==Killed Local Process"
qbq<O %g= "\n %s <==Killed Remote Process\n",
VfqY_NmgC lpszArgv[0],lpszArgv[0]);
a {$k<@Ww return 1;
0k0c }
" IkF/ //杀远程机器进程
76Vyhf&7 strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
J&ECm+2 strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
m4SXH> o strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
:#:O(K1PW pUMB)(<k //将在目标机器上创建的exe文件的路径
w+q;dc8 sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
agm5D/H]: __try
0!,gT H> {
&xuwke:[ //与目标建立IPC连接
6Y_O^f if(!ConnIPC(szTarget,szUser,szPass))
Xe3z6 {
@*O{*2 printf("\nConnect to %s failed:%d",szTarget,GetLastError());
R5&$h$[/ return 1;
->2wrOH|H }
%^?3s5PXD printf("\nConnect to %s success!",szTarget);
vs])%l%t //在目标机器上创建exe文件
<Z:8~:@ pebx#}]p- hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
-C-OG}XjI E,
9#T%bB"J NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
?V)C9@bp if(hFile==INVALID_HANDLE_VALUE)
1;:t~Y {
@23RjoK printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
gLSG:7m@ __leave;
`TD%M`a }
?I2k6%a //写文件内容
?WQd while(dwSize>dwIndex)
Fr3d#kVR {
pG F5aF7T CziaxJ if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
x"llX {
:7Z\3_D/ printf("\nWrite file %s
opcR~tg@r failed:%d",RemoteFilePath,GetLastError());
DPS1GO* __leave;
J={OOj }
H")N_BB dwIndex+=dwWrite;
T5dUJR2k$ }
#ON#4WD? //关闭文件句柄
,;cel^.b CloseHandle(hFile);
}]g95xT bFile=TRUE;
jQxPOl$- //安装服务
,hTwNVWI9 if(InstallService(dwArgc,lpszArgv))
'6.>Wdd {
VU`z|nBW@ //等待服务结束
mzV"G>,o if(WaitServiceStop())
aEEz4,x_ {
uVq5fT`B //printf("\nService was stoped!");
k99gjL` }
b1+hr(kMRM else
9oje`Ay {
)`s;~_ZZ //printf("\nService can't be stoped.Try to delete it.");
uH
ny ] }
!M]%8NTt2 Sleep(500);
Ck3QrfM //删除服务
?zhI=1ED% RemoveService();
3Zaq#uA }
N0K>lL= }
jV4hxuc$ __finally
iFnOl*TC {
YV1a3 //删除留下的文件
gY>;|), if(bFile) DeleteFile(RemoteFilePath);
65waq~# //如果文件句柄没有关闭,关闭之~
QxL@'n#5 if(hFile!=NULL) CloseHandle(hFile);
J)$&