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。
.5zqpm OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
bgjo_!J+Pp <1>与远程系统建立IPC连接
<x),HTJ <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
z\8Kz ]n~ <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
F\Gi;6a <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
:)\< <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
$>;U^- #3 <6>服务启动后,killsrv.exe运行,杀掉进程
=5jX#Dc5.+ <7>清场
qffXm`k 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
8I'c83w /***********************************************************************
<OcD [5 Module:Killsrv.c
jR#g>MDKB Date:2001/4/27
y#Ao6Od6 Author:ey4s
L= fz:H Http://www.ey4s.org 4cni_m] ***********************************************************************/
8`*Wl;9u #include
G.,dP+i #include
:.IVf Zw #include "function.c"
VMUK|pC4K #define ServiceName "PSKILL"
%_!YonRY|X SAt{At SERVICE_STATUS_HANDLE ssh;
fKMbOqU_ SERVICE_STATUS ss;
VSCOuNSc /////////////////////////////////////////////////////////////////////////
nTweQ void ServiceStopped(void)
#s)Wzv%OX {
FaC;vuSpy ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
M3350 ss.dwCurrentState=SERVICE_STOPPED;
S3u>a\ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
&oTUj'$ ss.dwWin32ExitCode=NO_ERROR;
geL)v7t+# ss.dwCheckPoint=0;
DKu4e ss.dwWaitHint=0;
8-c1q*q) SetServiceStatus(ssh,&ss);
Bg*Oj)NM return;
}^;Tt-*k }
%+U.zd$ /////////////////////////////////////////////////////////////////////////
H\7Qf8s|{ void ServicePaused(void)
%B$~yx3# {
(8u.Xbdh ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
3eqnc),Z ss.dwCurrentState=SERVICE_PAUSED;
)Ab!R:4 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
F{a- - ss.dwWin32ExitCode=NO_ERROR;
y8uB>z+#+; ss.dwCheckPoint=0;
t/\J ss.dwWaitHint=0;
++Qg5FukR SetServiceStatus(ssh,&ss);
Cyg\FHs return;
WUSkN;idVG }
hTZaI * void ServiceRunning(void)
jiMI&cl {
&
Me%ZM0 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
'Jww}^h1 ss.dwCurrentState=SERVICE_RUNNING;
e.%`
tK3J ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
K%ltB& ss.dwWin32ExitCode=NO_ERROR;
`w1|(Sk$h ss.dwCheckPoint=0;
'-tiH ss.dwWaitHint=0;
C d)j% SetServiceStatus(ssh,&ss);
X|)Ox
,( return;
g-MaP }
hmv"|1Sa!~ /////////////////////////////////////////////////////////////////////////
Iq`:h&'!L void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
f\FubL {
9pD=E>4?# switch(Opcode)
uI^E9r/hB {
Bkvh]k;F8 case SERVICE_CONTROL_STOP://停止Service
qh!2dj ServiceStopped();
Np=IZnpt break;
mdW8RsR case SERVICE_CONTROL_INTERROGATE:
V8w!yc SetServiceStatus(ssh,&ss);
1H{M0e break;
6H,n?[zTt }
L,L>cmpM return;
J fFOU!F\ }
7KOM,FWKe //////////////////////////////////////////////////////////////////////////////
i>w'$ { //杀进程成功设置服务状态为SERVICE_STOPPED
>L F
y:a //失败设置服务状态为SERVICE_PAUSED
!N- - //
&)@|WLW void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
B>}=x4-8 {
:gMcl"t-- ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
B:om61Dn if(!ssh)
LwQq0<v {
r]p
0O( ServicePaused();
(a0q*iC% return;
5T)qn`% }
y -j3d)T ServiceRunning();
4hb<EH'_& Sleep(100);
_Gv[ D //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
I;]Q}SUsm //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
S3rN]!B+ if(KillPS(atoi(lpszArgv[5])))
<RfPd+</ ServiceStopped();
}=CL/JHz else
?z>7& ServicePaused();
w,fA-*bZ 0 return;
5|>FM& }
pJ Iq`)p5 /////////////////////////////////////////////////////////////////////////////
M8oCh void main(DWORD dwArgc,LPTSTR *lpszArgv)
e"9u}-Q@ {
jEwfa_Q% SERVICE_TABLE_ENTRY ste[2];
zi7,?bD ste[0].lpServiceName=ServiceName;
al<[iZ ste[0].lpServiceProc=ServiceMain;
6 KuB<od ste[1].lpServiceName=NULL;
4<b=;8 ste[1].lpServiceProc=NULL;
SXfuPM StartServiceCtrlDispatcher(ste);
{//;GC* return;
x9Veg4Z7 }
/g}2QmvH /////////////////////////////////////////////////////////////////////////////
f$Fa*O- 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
cn1UFmT 下:
gPs%v`y)*D /***********************************************************************
7p'L(dq Module:function.c
7'g'qUW+~ Date:2001/4/28
by z2u Author:ey4s
S&]AIG) Http://www.ey4s.org Wy{xTLXk2 ***********************************************************************/
*"4d6 #include
dLb9p"EE# ////////////////////////////////////////////////////////////////////////////
\mRRx#-r% BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
n]$50_@ {
3T)GUzt` TOKEN_PRIVILEGES tp;
+L(0R&C LUID luid;
i;4|UeUl nX,2jT;@L if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
=WFn+#&^ {
7?Vo([8 printf("\nLookupPrivilegeValue error:%d", GetLastError() );
aChyl;#E return FALSE;
+DMD
g. }
DU9A 3Z tp.PrivilegeCount = 1;
vK\n4mE[, tp.Privileges[0].Luid = luid;
CG!/Lbd if (bEnablePrivilege)
Q>qx?
g tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
"/ G^+u else
f>$Ld1 tp.Privileges[0].Attributes = 0;
;Ml??B]C // Enable the privilege or disable all privileges.
M{ # AdjustTokenPrivileges(
6q^Tq {I hToken,
P|mV((/m4 FALSE,
2
MFGKz O &tp,
*~b3FLzq sizeof(TOKEN_PRIVILEGES),
n3w(zB (PTOKEN_PRIVILEGES) NULL,
?'F>DN (PDWORD) NULL);
"Uy==~ // Call GetLastError to determine whether the function succeeded.
)aY^k|I if (GetLastError() != ERROR_SUCCESS)
n{oRmw- {
+3B^e%`NPm printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
"YLH]9"= return FALSE;
*LnY}# }
?@W=bJ8{ return TRUE;
L@> +iZSO }
H]v"_!(\ ////////////////////////////////////////////////////////////////////////////
(ATvH_Z BOOL KillPS(DWORD id)
Y@WCp {
x!$Dje} HANDLE hProcess=NULL,hProcessToken=NULL;
Ta;'f7Oz BOOL IsKilled=FALSE,bRet=FALSE;
5r1{l%? __try
2p3ep, {
+^!;J/24 rG7S^,5o if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
!Gwf"-TQ {
O&=40"Dr printf("\nOpen Current Process Token failed:%d",GetLastError());
>
"G HLi __leave;
Wl3jbupu _ }
ISo{>@a- //printf("\nOpen Current Process Token ok!");
5X^bvW26 if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
BzFD_A>j;_ {
a|B^% __leave;
+QS7F`O }
B- 63IN printf("\nSetPrivilege ok!");
}T!2IaAB AEx|<E0 if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
Al?LO;$Pa? {
{ bjK(| printf("\nOpen Process %d failed:%d",id,GetLastError());
C:C9swik"5 __leave;
@)0-oa,u+ }
q7id?F}3& //printf("\nOpen Process %d ok!",id);
I{Pny/d` if(!TerminateProcess(hProcess,1))
/rRQ*m_ {
b}P5*}$:9" printf("\nTerminateProcess failed:%d",GetLastError());
cp|&&q __leave;
![O@{/ }
IEb"tsel IsKilled=TRUE;
K*&?+_v
: }
F^iv1b __finally
F_Q,j]0 {
RfPRCIo if(hProcessToken!=NULL) CloseHandle(hProcessToken);
I"*;fdm if(hProcess!=NULL) CloseHandle(hProcess);
}@Mx@ S }
0>D: return(IsKilled);
D8+68_BEM }
^Pc>/lY$Q% //////////////////////////////////////////////////////////////////////////////////////////////
G$\2@RT9[ OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
BV=L.* /*********************************************************************************************
LM_/: ModulesKill.c
Pw4j?pv2 Create:2001/4/28
p_hljgOV Modify:2001/6/23
t(SSrM] Author:ey4s
;d17xu?ks Http://www.ey4s.org 6MC*2}W PsKill ==>Local and Remote process killer for windows 2k
ag6hhkjA **************************************************************************/
>-0b@ +j #include "ps.h"
ypxqW8Xe #define EXE "killsrv.exe"
,z}wR::% #define ServiceName "PSKILL"
o6e6Jw Q>gU( #pragma comment(lib,"mpr.lib")
;]<{<czc //////////////////////////////////////////////////////////////////////////
FrSeR9b //定义全局变量
a$p2I+lX SERVICE_STATUS ssStatus;
/f!_dJ^ SC_HANDLE hSCManager=NULL,hSCService=NULL;
9g"
1WZ! BOOL bKilled=FALSE;
&dSw[C#f char szTarget[52]=;
{},rbQ
- //////////////////////////////////////////////////////////////////////////
zdA:K25" BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
=l`xXma BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
yVPkJ BOOL WaitServiceStop();//等待服务停止函数
\FOX#|i) BOOL RemoveService();//删除服务函数
W'{q /////////////////////////////////////////////////////////////////////////
g%w@v$ int main(DWORD dwArgc,LPTSTR *lpszArgv)
[kqxC {
SfE^'G\ BOOL bRet=FALSE,bFile=FALSE;
W-Cf#o char tmp[52]=,RemoteFilePath[128]=,
EXz5Rue
LV szUser[52]=,szPass[52]=;
I>b-w;cC HANDLE hFile=NULL;
+NRn>1] DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
hA`>SkO kP%Hg/f/Ot //杀本地进程
DI=Nqa)r if(dwArgc==2)
HF-Msu6 {
t`{^gt if(KillPS(atoi(lpszArgv[1])))
sV7dgvVd printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
lj"L Q(^ else
P=&J e? printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
*VT@ lpszArgv[1],GetLastError());
}I7/FqrD return 0;
;??wLNdf- }
6Rn_@_Nn)f //用户输入错误
WNTm else if(dwArgc!=5)
vx=I3o {
q>&F%;q1] printf("\nPSKILL ==>Local and Remote Process Killer"
?r@euZ& "\nPower by ey4s"
ypXKw7f( "\nhttp://www.ey4s.org 2001/6/23"
)>,b>7 "\n\nUsage:%s <==Killed Local Process"
4ei
.- "\n %s <==Killed Remote Process\n",
Y_`D5c: lpszArgv[0],lpszArgv[0]);
>Uvtsj# return 1;
,eRl
Z3T }
Yt*M|0bL //杀远程机器进程
RIX0AE strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
iUh_rX9A" strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
Ms?V1 strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
RVfRGc^lK S[UHx}. //将在目标机器上创建的exe文件的路径
{Ny\9r sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
&)Z8Qu __try
>p!d(J? {
(H9%a-3 //与目标建立IPC连接
( DwIAO/S if(!ConnIPC(szTarget,szUser,szPass))
q{f%U. {
bIizh8d? printf("\nConnect to %s failed:%d",szTarget,GetLastError());
>
3JU return 1;
*Kt7"J }
uqZLlP# printf("\nConnect to %s success!",szTarget);
w;Qo9=- //在目标机器上创建exe文件
:5?ti tBG :ECUL hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
R_*b<~[/ E,
xy$FS0u NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
Xvs{2 if(hFile==INVALID_HANDLE_VALUE)
( ~pcPGUG {
8{Y
?;~G printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
&RXd1>|c2 __leave;
y{ 90A }
o<-%)#e //写文件内容
'xb|5_D while(dwSize>dwIndex)
VO(Ck\i} {
iyOd&|. I(Nsm3L if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
lGPC)Hu{` {
S^)r,cC printf("\nWrite file %s
<E@7CG.= failed:%d",RemoteFilePath,GetLastError());
GMU<$x8o __leave;
*cp|lW!ag }
#2DH_P dwIndex+=dwWrite;
z/fRd6|[ }
@.*[CC;& //关闭文件句柄
~<