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。
:_X9x{ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
BxVo>r <1>与远程系统建立IPC连接
d ]R&mp|' <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
W{B)c?G] <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
DEM;)-D <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
#-r,; <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
D-JG0.@ <6>服务启动后,killsrv.exe运行,杀掉进程
(pJ-_w'G <7>清场
QpbyC_:;$4 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
_Z'[-rcXWh /***********************************************************************
9x$Kb7'F Module:Killsrv.c
mWN9/+! Date:2001/4/27
JL.noV3q$ Author:ey4s
(r78AZ Http://www.ey4s.org LX5, _`B ***********************************************************************/
'@t}8J #include
Y=94<e[f" #include
5'*v-l,[ #include "function.c"
av~dH=&= #define ServiceName "PSKILL"
>LS*G
qjq \qk+cK;+ SERVICE_STATUS_HANDLE ssh;
[Tmpj9!q SERVICE_STATUS ss;
+a7J;-| /////////////////////////////////////////////////////////////////////////
Y_S>S(0 void ServiceStopped(void)
*c<0cHv* {
e!BablG[ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
x"7`,W ss.dwCurrentState=SERVICE_STOPPED;
6'E3Q=}d ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
_ljdo`j#N ss.dwWin32ExitCode=NO_ERROR;
u6tD5Y ss.dwCheckPoint=0;
33/aYy ss.dwWaitHint=0;
Bg3`w__l; SetServiceStatus(ssh,&ss);
%VZQX_ return;
1j4(/A }
gN./u /////////////////////////////////////////////////////////////////////////
Y367Jr@^N void ServicePaused(void)
[(Jj@HlP6T {
!LDuCz
- ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
~Q4 emgBD ss.dwCurrentState=SERVICE_PAUSED;
Rd#V,[d ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
(rDB|kc^7 ss.dwWin32ExitCode=NO_ERROR;
(`nn\) ss.dwCheckPoint=0;
--X1oC52A ss.dwWaitHint=0;
kta`[%KmIZ SetServiceStatus(ssh,&ss);
oz54IO return;
b d!|/Lk }
KNH.4A , void ServiceRunning(void)
>'\cNM~nf {
n+Bh-a V ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
IG}`~% Z ss.dwCurrentState=SERVICE_RUNNING;
~k}>CNTr ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
'8 O(J7J ss.dwWin32ExitCode=NO_ERROR;
8+gti*C?\ ss.dwCheckPoint=0;
@#wBK3Ut^ ss.dwWaitHint=0;
EUxkYl SetServiceStatus(ssh,&ss);
DH@})TN*O return;
l,(Mm,3 }
H?ZlJ|/c /////////////////////////////////////////////////////////////////////////
<X5'uve void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
y:\ ^[y IQ {
Q $wa<` switch(Opcode)
* &iSW~s {
_9@D o6 case SERVICE_CONTROL_STOP://停止Service
Zjo8/ ServiceStopped();
jSY&P/[xb break;
2d%j6D case SERVICE_CONTROL_INTERROGATE:
H\BhAf SetServiceStatus(ssh,&ss);
5)%bnLxn break;
,<,ige }
=e<;B_~. return;
GQZLOjsop }
{u/G!{N$ //////////////////////////////////////////////////////////////////////////////
b7X-mkF //杀进程成功设置服务状态为SERVICE_STOPPED
M!KHBr //失败设置服务状态为SERVICE_PAUSED
?52{s"N0> //
\dIc_6/D1 void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
$-Ud&sjn {
b?h)~j5 ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
vSu|!Xb] if(!ssh)
F4=+xd >0 {
@O~ ServicePaused();
aFZu5-=x return;
hWzjn5w3 }
8(.DI/ ServiceRunning();
_.E y_K_1 Sleep(100);
T?p'R //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
AixQR[Ul*c //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
41pk )8~pt if(KillPS(atoi(lpszArgv[5])))
Cfizh@< ServiceStopped();
mPl2y3m% else
SAuZWA4g[ ServicePaused();
?A!Lh, return;
uxbDRlOS }
RoL5uha,l /////////////////////////////////////////////////////////////////////////////
3ug|H void main(DWORD dwArgc,LPTSTR *lpszArgv)
pt"yJtM'P {
$OE~0Z\0 SERVICE_TABLE_ENTRY ste[2];
`5y+3v~" ste[0].lpServiceName=ServiceName;
{l /]+8G^ ste[0].lpServiceProc=ServiceMain;
5&&6e` ste[1].lpServiceName=NULL;
@,b:s+]rp ste[1].lpServiceProc=NULL;
]6W;~w% StartServiceCtrlDispatcher(ste);
cfb8kNn~+ return;
<"SDU_<xG }
Z0f0tL&A< /////////////////////////////////////////////////////////////////////////////
`(SWE+m1g 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
.EOHkhn 下:
2TR l@ /***********************************************************************
Ch`nDIne Module:function.c
S C'F,! Date:2001/4/28
:z;}:+7n Author:ey4s
^bVY&iXNu Http://www.ey4s.org b4_"dg~gK ***********************************************************************/
"82<}D^; #include
O2W EA ////////////////////////////////////////////////////////////////////////////
Tk9/1C{8 BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
\\j98(i {
9*?H/iN@p? TOKEN_PRIVILEGES tp;
@$5! LUID luid;
|( %3'"Z C:$12{I?* if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
YNGG> ;L {
DYvi1X6 printf("\nLookupPrivilegeValue error:%d", GetLastError() );
=~Ac=j!q return FALSE;
8&AHu }
qXHr[C" tp.PrivilegeCount = 1;
sFR'y. tp.Privileges[0].Luid = luid;
$Cr? }'a if (bEnablePrivilege)
>R5qhVYFb tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
R~-r8dWcw else
R:*I>cRs tp.Privileges[0].Attributes = 0;
O*af`J{ // Enable the privilege or disable all privileges.
|51z&dG AdjustTokenPrivileges(
S9sFC!s1g hToken,
b";w\H FALSE,
Z%*_kk &tp,
%4Nq T sizeof(TOKEN_PRIVILEGES),
O5PCR6U (PTOKEN_PRIVILEGES) NULL,
bSW!2#~ (PDWORD) NULL);
J~Gq#C^e // Call GetLastError to determine whether the function succeeded.
Qp{rAAC: if (GetLastError() != ERROR_SUCCESS)
JwzA'[tM {
~lx5RTkp printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
%eoO3"// return FALSE;
s'LY)_n }
=1o_:VOG return TRUE;
>w:px$g4 }
Sd]` I) ////////////////////////////////////////////////////////////////////////////
2?LZW14$d BOOL KillPS(DWORD id)
6&% c {
IX eb6j8 HANDLE hProcess=NULL,hProcessToken=NULL;
S3-3pJ]~Zk BOOL IsKilled=FALSE,bRet=FALSE;
;9,<&fe __try
mw<LNnT{8 {
ffGiNXCM 4|f I9. if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
NQq$0<7.=W {
CT6Ca, printf("\nOpen Current Process Token failed:%d",GetLastError());
JLT^0wBB __leave;
&3VR)Bxn }
#vJDb |z //printf("\nOpen Current Process Token ok!");
c ?mCt0Cg if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
D_,}lsrb {
BH0@WG7F __leave;
3_(fisvx }
dBY,&=T4p printf("\nSetPrivilege ok!");
,R=Mr}@u #RK?3?wcr if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
VsOn j~@ {
@dAc2<4 printf("\nOpen Process %d failed:%d",id,GetLastError());
2<Pi2s' __leave;
6\(wU?m'/ }
H kDT14 `& //printf("\nOpen Process %d ok!",id);
ZK))91;v if(!TerminateProcess(hProcess,1))
= >)S\Dfi {
8>G3KZ3 printf("\nTerminateProcess failed:%d",GetLastError());
d?_Bll" __leave;
HT/zcd)}# }
8$<jd^w
IsKilled=TRUE;
mM"!=' z }
2.O; __finally
%-?HCjT {
Z^9;sb,x if(hProcessToken!=NULL) CloseHandle(hProcessToken);
7g3vh%G. if(hProcess!=NULL) CloseHandle(hProcess);
xd\k;nq }
K2<Q9 ,vt return(IsKilled);
vINm2%*zJ }
P:&XtpP //////////////////////////////////////////////////////////////////////////////////////////////
Ia:n<sZU OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
P6*IR| /*********************************************************************************************
92+LY]jS ModulesKill.c
fkWuSGi Create:2001/4/28
hdtb.u~ Modify:2001/6/23
?!1K@/! Author:ey4s
qsXK4` Http://www.ey4s.org 6sBS;+C PsKill ==>Local and Remote process killer for windows 2k
"exph$ **************************************************************************/
p= jD "lq #include "ps.h"
]+Yd#<j(u #define EXE "killsrv.exe"
QbqEe/*$_ #define ServiceName "PSKILL"
"ZF:}y :
'M$:ZJ #pragma comment(lib,"mpr.lib")
+=hiLfnE //////////////////////////////////////////////////////////////////////////
<*0^X%Vf\ //定义全局变量
)~;= 0O |X SERVICE_STATUS ssStatus;
.BJ;} SC_HANDLE hSCManager=NULL,hSCService=NULL;
]N}80*Rl BOOL bKilled=FALSE;
a) GLz char szTarget[52]=;
!vHUe*1a{ //////////////////////////////////////////////////////////////////////////
TO.?h! BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
U)a}XRS BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
#p}I 84Q BOOL WaitServiceStop();//等待服务停止函数
BO<I/J~b BOOL RemoveService();//删除服务函数
F,EcqM'f /////////////////////////////////////////////////////////////////////////
Am&/K\O int main(DWORD dwArgc,LPTSTR *lpszArgv)
/10 I}3D {
vs;T}'O BOOL bRet=FALSE,bFile=FALSE;
:VC#\/f char tmp[52]=,RemoteFilePath[128]=,
i6M_Gk} szUser[52]=,szPass[52]=;
}Wjb0V HANDLE hFile=NULL;
tKgPKWP DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
&S9Sl hX(:xc //杀本地进程
j+NOT`& if(dwArgc==2)
o%X@Bz {
hK*:pf if(KillPS(atoi(lpszArgv[1])))
>u#c\s printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
KW|X\1H else
thcj_BZ8 printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
#n5q$ lpszArgv[1],GetLastError());
<&E3QeK return 0;
qwJeeax }
F`g oYwA% //用户输入错误
;*ebq'D([ else if(dwArgc!=5)
LM}0QL
m? {
C5m6{Oo+- printf("\nPSKILL ==>Local and Remote Process Killer"
H~JPsS; "\nPower by ey4s"
ujsJ;\c "\nhttp://www.ey4s.org 2001/6/23"
c<)C3v "\n\nUsage:%s <==Killed Local Process"
bSsX)wHm "\n %s <==Killed Remote Process\n",
! 4 `any lpszArgv[0],lpszArgv[0]);
z%5i ^P return 1;
=o]V!MW }
W#!![JDc //杀远程机器进程
g-j`Ex% strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
&g;4;)p*8 strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
94Mh/A9k strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
MFO}E!9`q ) '"@L7U //将在目标机器上创建的exe文件的路径
A7SBm`XJ)p sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
v`#T)5gl- __try
9NLO{kN {
IBm&a^ //与目标建立IPC连接
|9.`qv if(!ConnIPC(szTarget,szUser,szPass))
C*Avu {
Zo printf("\nConnect to %s failed:%d",szTarget,GetLastError());
J'B6l#N return 1;
4SSq5Ve< }
r168ft?c printf("\nConnect to %s success!",szTarget);
uV?[eiezD0 //在目标机器上创建exe文件
o
mstJ9 +*-u_L\' hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
7RNf)nz E,
wQiRj. NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
v&oE!s# if(hFile==INVALID_HANDLE_VALUE)
L>Bf}^ {
N6H/J_: printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
:{<( )gfk __leave;
]p>6r*/nw }
_q`$W9M+k //写文件内容
xq1=O
while(dwSize>dwIndex)
J@'}lG {
kK+<n8R2 k6-.XW if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
#UGm/4C {
7KU/ 1l9$9 printf("\nWrite file %s
\2,7fy' failed:%d",RemoteFilePath,GetLastError());
(5S(CYls __leave;
TGx:#x*k }
4RYK9=NH dwIndex+=dwWrite;
]l.y/pRP5[ }
lAuI?/E //关闭文件句柄
l(|@ dp CloseHandle(hFile);
l?E7'OEF: bFile=TRUE;
5]n5nqz //安装服务
Yy]^_,r if(InstallService(dwArgc,lpszArgv))
AK%2#}k. {
T1yJp$yD" //等待服务结束
to@ O if(WaitServiceStop())
\A'MEd- {
qD:3;85 //printf("\nService was stoped!");
((L=1]w }
r<4FF= else
><9E^ k0. {
2OFrv=F //printf("\nService can't be stoped.Try to delete it.");
3gZ|^h6
+ }
`[x`#irD Sleep(500);
F.ml]k&(m //删除服务
b#cXn4<