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。
%uW< OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
gkLr]zv <1>与远程系统建立IPC连接
}FZp840 <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
9T/<x-FD <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
CM"s9E8y <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
Nl=+.d6Qo <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
4 #G3ew <6>服务启动后,killsrv.exe运行,杀掉进程
sv@}x[L <7>清场
dbd"pR 8v 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
w2'
3S#nZ /***********************************************************************
=O;eY ? Module:Killsrv.c
noFh p Date:2001/4/27
,d5ia4\K Author:ey4s
uQ-WTz|* Http://www.ey4s.org >" i~ x ***********************************************************************/
N4tc V\O #include
wH#Lb@cfZ0 #include
Qve`k<Cj" #include "function.c"
.ZM]%[4 #define ServiceName "PSKILL"
j_hjCQ rC=f#YjR SERVICE_STATUS_HANDLE ssh;
;wfH^2HxE) SERVICE_STATUS ss;
v#w4{.8) /////////////////////////////////////////////////////////////////////////
Ed4_<: void ServiceStopped(void)
v!iWzN {
8}]l9"q( ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
^BQ>vI'.4 ss.dwCurrentState=SERVICE_STOPPED;
">03~:oA ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
x`wZtv\ ss.dwWin32ExitCode=NO_ERROR;
(gFQK[ ss.dwCheckPoint=0;
oVAOGHE ss.dwWaitHint=0;
l@(t^68OD SetServiceStatus(ssh,&ss);
4+ykE: return;
3~#Z E;># }
uHTKo(NG /////////////////////////////////////////////////////////////////////////
$eTv6B?m void ServicePaused(void)
W5M
] {
_Jt_2o%G ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
8s\8`2= ss.dwCurrentState=SERVICE_PAUSED;
Ov F8&*A ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
\>&@lA ss.dwWin32ExitCode=NO_ERROR;
}//8$Z<( ss.dwCheckPoint=0;
"'Q$.sR ss.dwWaitHint=0;
bL6L-S SetServiceStatus(ssh,&ss);
]=O{7# return;
ot&j HS' }
yL^M~lws void ServiceRunning(void)
\k2C 5f {
~7F EY0 / ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
5M/%%Ox ss.dwCurrentState=SERVICE_RUNNING;
XY&]T'A ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
4+Li)A:4. ss.dwWin32ExitCode=NO_ERROR;
)m$1al ss.dwCheckPoint=0;
`Pz!SJ| ss.dwWaitHint=0;
TPN:cA6[c SetServiceStatus(ssh,&ss);
TZvBcNi return;
8+@1wks }
BVwRPt /////////////////////////////////////////////////////////////////////////
8=!rnJCav void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
2`q^Q {
, 4h!"c switch(Opcode)
;@=@N9qK {
'Kt4O9=p case SERVICE_CONTROL_STOP://停止Service
`&"H*
Ie ServiceStopped();
Rz])wBv e break;
S]#=ES'^/ case SERVICE_CONTROL_INTERROGATE:
!/=9VD{U! SetServiceStatus(ssh,&ss);
]e#,\})Br break;
.$}Z:,aB
}
Z]1z*dv return;
GSUOMy[M- }
!$ J) //////////////////////////////////////////////////////////////////////////////
@hz0:ezg: //杀进程成功设置服务状态为SERVICE_STOPPED
j|VlHDqR //失败设置服务状态为SERVICE_PAUSED
c=jTs+h' //
H8=vQy void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
/(WX!EEsB {
}AeE|RNc ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
HC<BGIgL if(!ssh)
\|b1s @c8 {
M25z<Y ServicePaused();
f0fqDmn return;
3qV>TE]6, }
[4+a 1/^ ServiceRunning();
xYzcV%-Pm Sleep(100);
@zq\z$ //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
S3JygN* //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
dKN3ZCw*gF if(KillPS(atoi(lpszArgv[5])))
TnZc.
ServiceStopped();
iu:p&h else
iA{chQBr ServicePaused();
p1`'1`.3 return;
g en3"\Og{ }
7p"~:1hU /////////////////////////////////////////////////////////////////////////////
E}CqVuU$ void main(DWORD dwArgc,LPTSTR *lpszArgv)
J?HZ,7X: {
+ - KRp1qq SERVICE_TABLE_ENTRY ste[2];
<}x|@u ste[0].lpServiceName=ServiceName;
gC,0+Y~ ste[0].lpServiceProc=ServiceMain;
_,-M8=dL%* ste[1].lpServiceName=NULL;
1dgN10 ste[1].lpServiceProc=NULL;
{KQ-Ce-6 StartServiceCtrlDispatcher(ste);
dM@k(9| return;
yU&g|MV_ }
5jCEy*%P@ /////////////////////////////////////////////////////////////////////////////
2Y g[8Tm# 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
bQ:3G; 下:
OB? 79l /***********************************************************************
q5K/+N^2? Module:function.c
)uv$tnP* Date:2001/4/28
(w7cdqe Author:ey4s
'=G<)z@k Http://www.ey4s.org ~)\1g0 ***********************************************************************/
-fZShOBY` #include
f^yLwRUD ////////////////////////////////////////////////////////////////////////////
kosJ]q'U BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
O.40^u~ {
IB]VPj5 TOKEN_PRIVILEGES tp;
&V,-W0T_ LUID luid;
4 *2>R8SX~ TQxc?o if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
/\Y%DpG$ {
~ @"Qm;}
" printf("\nLookupPrivilegeValue error:%d", GetLastError() );
G4`sRaT. return FALSE;
p=P0$P+KM }
m#}{"d&J tp.PrivilegeCount = 1;
GT`<jzAi Q tp.Privileges[0].Luid = luid;
0T{Y_IG if (bEnablePrivilege)
=jd=Qs IL tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
pa> 2JF* else
rQQPs\o tp.Privileges[0].Attributes = 0;
^{]sD}Q" // Enable the privilege or disable all privileges.
HuLm!tCu AdjustTokenPrivileges(
fB ,!|u hToken,
Tk@g9\6O9 FALSE,
h/y} &tp,
-r2qIt sizeof(TOKEN_PRIVILEGES),
BKlc{= (PTOKEN_PRIVILEGES) NULL,
*]UEF_ (PDWORD) NULL);
. L6@Rs // Call GetLastError to determine whether the function succeeded.
y7L4jO9h if (GetLastError() != ERROR_SUCCESS)
>A@D;vx {
>~bj7M6t printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
bJMcI8` return FALSE;
ST[1'T+L }
#,9TJ:~N return TRUE;
7J_f/st }
YNQ6(HA ////////////////////////////////////////////////////////////////////////////
j!8+|eAkk BOOL KillPS(DWORD id)
{,mRMDEy {
v}*u[GWl] HANDLE hProcess=NULL,hProcessToken=NULL;
w!9W Cl]9M BOOL IsKilled=FALSE,bRet=FALSE;
"l;8
O2;g __try
,8 NEnB {
l$~bkVNL kx#L< if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
OU3+SYM {
{zN_l! printf("\nOpen Current Process Token failed:%d",GetLastError());
U&\{/l __leave;
qA\kx#v]P }
q>oH(A //printf("\nOpen Current Process Token ok!");
/>I8nS}T if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
tS\NO@E_Jh {
dGW7,B~ __leave;
1kw4'#J8 }
7wEG<,D printf("\nSetPrivilege ok!");
$U.'K!B *t*&Q /W if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
zMqEMx9 {
\B ^sJ[n printf("\nOpen Process %d failed:%d",id,GetLastError());
tNf" X! __leave;
A
=#-u&l }
hBSJEP //printf("\nOpen Process %d ok!",id);
scEQDV if(!TerminateProcess(hProcess,1))
r{jD,x2 {
1E_Ui1 [ printf("\nTerminateProcess failed:%d",GetLastError());
g~D6.OZU __leave;
Gv3Fg[MA@c }
y8n1IZ*#SZ IsKilled=TRUE;
T FA }
]TprPU39 __finally
P&`r87J {
~TR|Pv if(hProcessToken!=NULL) CloseHandle(hProcessToken);
{hP&P if(hProcess!=NULL) CloseHandle(hProcess);
U jzz`!mz }
]BBgU[O)
! return(IsKilled);
q;~>h }
+((31l //////////////////////////////////////////////////////////////////////////////////////////////
Yf`.Cq_: OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
1>{-wL4rc /*********************************************************************************************
O7*i;$!R ModulesKill.c
D)Rf Create:2001/4/28
To?
bp4 Modify:2001/6/23
a-2
{x2O Author:ey4s
zW`koRH@ Http://www.ey4s.org U+M?<4J)" PsKill ==>Local and Remote process killer for windows 2k
eyjUNHeh# **************************************************************************/
:Aiu!}\ #include "ps.h"
p+D6Z'B #define EXE "killsrv.exe"
sBI%lrO #define ServiceName "PSKILL"
!T(Omve) "(VcYQ+ #pragma comment(lib,"mpr.lib")
= }lA|S //////////////////////////////////////////////////////////////////////////
eE_XwLE //定义全局变量
7f,WzvV SERVICE_STATUS ssStatus;
C2i..iD SC_HANDLE hSCManager=NULL,hSCService=NULL;
~y^lNgujO BOOL bKilled=FALSE;
<&Xq`i/( char szTarget[52]=;
R*C+Yk)Tkt //////////////////////////////////////////////////////////////////////////
Dx)XC?'xO BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
/ {~h?P} BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
lc#zS_ BOOL WaitServiceStop();//等待服务停止函数
P;/wb/ BOOL RemoveService();//删除服务函数
%-|q3 ^s /////////////////////////////////////////////////////////////////////////
DN0b.*[`3 int main(DWORD dwArgc,LPTSTR *lpszArgv)
wcT6d?*5 {
0J</`/g H BOOL bRet=FALSE,bFile=FALSE;
B;_3IHMO char tmp[52]=,RemoteFilePath[128]=,
$zi\ /Yw szUser[52]=,szPass[52]=;
SnU{ZGR>sP HANDLE hFile=NULL;
0 d]G DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
^ w1R"qE"m 2` qXDfD` //杀本地进程
0Ch._~Q+20 if(dwArgc==2)
BQg]$Tr? {
gP%! if(KillPS(atoi(lpszArgv[1])))
@!O{>` printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
Z"T(8>c;g else
.LHe*J C printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
7E)7sd lpszArgv[1],GetLastError());
>vy+U return 0;
1e} 3L2rC }
gOAluP //用户输入错误
=(\!,S' else if(dwArgc!=5)
4=:eGlU93U {
:!hH`l}p printf("\nPSKILL ==>Local and Remote Process Killer"
!S{<Xc'wv "\nPower by ey4s"
!WnI` "\nhttp://www.ey4s.org 2001/6/23"
ji=po;g=E "\n\nUsage:%s <==Killed Local Process"
XLxr~Yo "\n %s <==Killed Remote Process\n",
S,%HW87 lpszArgv[0],lpszArgv[0]);
S`KCVQ>V return 1;
9%6`ZS~3 }
X
jN.X //杀远程机器进程
Q6>( Z strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
5Vqvb| strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
zxdO3I strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
Jl ?Q}SB KL`>mJo$ //将在目标机器上创建的exe文件的路径
tYa8I/HpT sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
0MPDD%TP __try
AFED YRX {
c Zr4 //与目标建立IPC连接
|;yb * if(!ConnIPC(szTarget,szUser,szPass))
r%n[PK^( {
s&</zU' printf("\nConnect to %s failed:%d",szTarget,GetLastError());
k#[s)Ja?s return 1;
c*Nbz,: }
T7'$A!c printf("\nConnect to %s success!",szTarget);
)_?$B6hf,& //在目标机器上创建exe文件
;v\n[ Um<vsR hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
-Ma"V E,
tEs$+b NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
V.1sZYA9 if(hFile==INVALID_HANDLE_VALUE)
FU3B;Fn^Z( {
xd@DN;e printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
p.|;
k%c7 __leave;
A[bxxQSP\H }
%-CC_R|0$ //写文件内容
CG;D (AWR; while(dwSize>dwIndex)
A>puk2 s {
,V?,I9qf rg~CF< if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
Xv:IbM>
Qc {
wBET.l'd printf("\nWrite file %s
i|mA/
e3b failed:%d",RemoteFilePath,GetLastError());
sTz*tSwQv __leave;
k_B^2= }
k~ue^^r} dwIndex+=dwWrite;
%?jf.p*kY }
kz^G.5n //关闭文件句柄
Jt8 v=<@ CloseHandle(hFile);
!Ao?bs' bFile=TRUE;
lOui{QU //安装服务
yNL71 >w4 if(InstallService(dwArgc,lpszArgv))
+|;IIwo {
4KnDXQ% //等待服务结束
,+&j/0U if(WaitServiceStop())
L?fv5 S3 {
!w Bmf&= //printf("\nService was stoped!");
sh1()vT }
U|nk86r else
Jk*MxlA.b {
9':$!Eoq //printf("\nService can't be stoped.Try to delete it.");
U9w*x/Swb }
Cn<