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。
V[mT<Lc OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
2L!u1 <1>与远程系统建立IPC连接
Fzm*Pz3 <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
n*o-Lo+Fe. <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
#+JG(^%B <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
#OZ>V3k <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
CMe
06^U <6>服务启动后,killsrv.exe运行,杀掉进程
}#3V+X <7>清场
'|ad_M 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
{vs
uPY
/***********************************************************************
lVd^
^T*fh Module:Killsrv.c
T=<@]$? Date:2001/4/27
88Ey12$ Author:ey4s
xP_cQwm`1 Http://www.ey4s.org 1f%1*L0>@ ***********************************************************************/
oVnvO iAc #include
j 7fL7:,T #include
{]*c29b> #include "function.c"
&]V.S7LC# #define ServiceName "PSKILL"
dMPc:tJT p5Z"|\ SERVICE_STATUS_HANDLE ssh;
x%s-+& SERVICE_STATUS ss;
\<.+rqa! /////////////////////////////////////////////////////////////////////////
I*o() void ServiceStopped(void)
s0\X ^ {
+"x,x ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
UXeN 8 ss.dwCurrentState=SERVICE_STOPPED;
d<% z
1Dj2 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
Olt`:;j- ss.dwWin32ExitCode=NO_ERROR;
^({})T0wu ss.dwCheckPoint=0;
bhID#& ss.dwWaitHint=0;
8N!b>?? SetServiceStatus(ssh,&ss);
pyH:#5 return;
}
uO);k5H }
T~--92[ /////////////////////////////////////////////////////////////////////////
_/F7?^j void ServicePaused(void)
V}bjK8$$ {
AB=daie ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
#EO9UW5 ss.dwCurrentState=SERVICE_PAUSED;
<d,b '<z
s ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
,.rs(5.z8/ ss.dwWin32ExitCode=NO_ERROR;
fBalTk;G{U ss.dwCheckPoint=0;
:|_'fNd+! ss.dwWaitHint=0;
"5-^l.CKH SetServiceStatus(ssh,&ss);
z54EG:x.7^ return;
]%|GmtqZs, }
vV[eWd.o6M void ServiceRunning(void)
nN*w~f" {
Fz1_w$^ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
VTG9$rQZ ss.dwCurrentState=SERVICE_RUNNING;
"]z-: \ V ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
Q7R~{5r>W ss.dwWin32ExitCode=NO_ERROR;
l%?T2Fm3> ss.dwCheckPoint=0;
kB/D!1
" ss.dwWaitHint=0;
Kz>3
ic$I SetServiceStatus(ssh,&ss);
Tsgk/e9K2? return;
t"k*PA }
7bk%mQk /////////////////////////////////////////////////////////////////////////
%F!1 void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
MO&}r7qq {
BDq%'~/^ switch(Opcode)
zoOaVV&1 {
aemc2b* case SERVICE_CONTROL_STOP://停止Service
x*?x=^I{ ServiceStopped();
pV20oSJNt break;
HR
;)|j{! case SERVICE_CONTROL_INTERROGATE:
oN{Z+T : SetServiceStatus(ssh,&ss);
nx8a$vI-TY break;
#Yr9AVr}K }
AI,(z;{P return;
g{8,Wx,, }
sYjpU //////////////////////////////////////////////////////////////////////////////
f2^r[kPX" //杀进程成功设置服务状态为SERVICE_STOPPED
3H|_mX //失败设置服务状态为SERVICE_PAUSED
4d8B`Fa9 //
bty/ void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
TQx.KM>y {
'[C.|)" ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
J]&y$?C if(!ssh)
BO~PT,QrF {
^j". ServicePaused();
KnsT\>[K return;
VJdIHsI }
7PANtCFb& ServiceRunning();
Md0sK Sleep(100);
G8r``{C! //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
=,Dqqf //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
Xlb0/T<g! if(KillPS(atoi(lpszArgv[5])))
,Fi>p0bz ServiceStopped();
.G+Pe'4a else
$OP7l>KZY ServicePaused();
)('%R|$ / return;
d4nH_? }
'ow.=1N- /////////////////////////////////////////////////////////////////////////////
#|*F1K void main(DWORD dwArgc,LPTSTR *lpszArgv)
2Z3('?\z~ {
c05 %iv SERVICE_TABLE_ENTRY ste[2];
JaK}| ste[0].lpServiceName=ServiceName;
qUxRM_7U ste[0].lpServiceProc=ServiceMain;
co9 .wB@ ste[1].lpServiceName=NULL;
z.Y$7bf) ste[1].lpServiceProc=NULL;
Nkp)Ax& StartServiceCtrlDispatcher(ste);
,:??P1 return;
2n `S5(V }
VY)9|JJCO /////////////////////////////////////////////////////////////////////////////
u$-U*r 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
e_V O3" 下:
cOPB2\, /***********************************************************************
hWKJ,r%9; Module:function.c
PSPmO'C+ Date:2001/4/28
sgO'wXcoP Author:ey4s
7DIIx}A Http://www.ey4s.org 8HR mQ ***********************************************************************/
*&d<yJM`b #include
qQ0cJIISb\ ////////////////////////////////////////////////////////////////////////////
,}:G\u*Fu BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
i:Zm*+Gi {
c wOJy> TOKEN_PRIVILEGES tp;
S6fL>'uQ LUID luid;
!>>f(t4 59#lU~Kv if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
]ix!tb.Q {
>5j<4ShW printf("\nLookupPrivilegeValue error:%d", GetLastError() );
;>AL`M+ return FALSE;
n_B"-n }
2e|N@j
& tp.PrivilegeCount = 1;
P(;?kg}0 tp.Privileges[0].Luid = luid;
1ylk4@` if (bEnablePrivilege)
,9P:Draxs` tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
HU9Sl*/ else
JXw^/Y$ tp.Privileges[0].Attributes = 0;
bO&7-Z~:= // Enable the privilege or disable all privileges.
{O+Kw<d AdjustTokenPrivileges(
h(F<h_ hToken,
A.D{.a FALSE,
(%U@3._ &tp,
?X5]i#j[ sizeof(TOKEN_PRIVILEGES),
;/0 Q1- (PTOKEN_PRIVILEGES) NULL,
cW{1
Pz^_ (PDWORD) NULL);
MCT'Nw@A // Call GetLastError to determine whether the function succeeded.
(E,Yo if (GetLastError() != ERROR_SUCCESS)
4&HXkRs: {
(?H0+zws^ printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
l9Q(xuhv return FALSE;
@?[1_g_'P }
OKHX)"j\\ return TRUE;
R@wjccu }
>OP+^^oZ< ////////////////////////////////////////////////////////////////////////////
&bhq`> BOOL KillPS(DWORD id)
zz^F
k& {
c)Ic#<e( HANDLE hProcess=NULL,hProcessToken=NULL;
{>"NyY BOOL IsKilled=FALSE,bRet=FALSE;
4Td{;Y="yF __try
0[F:'_ {
k@ K7yK suH&jE$ x if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
k6kM'e3V {
7 t?* printf("\nOpen Current Process Token failed:%d",GetLastError());
<jS~ WI@ __leave;
i%{3W:!4t }
$O{duJU //printf("\nOpen Current Process Token ok!");
q\rC5gk> if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
Lw'9 {
!6G?zipB __leave;
cD4
kC>P* }
QW_agm printf("\nSetPrivilege ok!");
Bk}><H p7ir*r/2 if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
O'GG Ti]e {
cV-1?h63 printf("\nOpen Process %d failed:%d",id,GetLastError());
D{v8q)5r __leave;
h8G5GRD }
WU4U Zpz //printf("\nOpen Process %d ok!",id);
__@zT SVb if(!TerminateProcess(hProcess,1))
hCYQGx0 {
Y:ldR printf("\nTerminateProcess failed:%d",GetLastError());
[0OJdY4 __leave;
iU+nqY' }
dJ:MjQG`W IsKilled=TRUE;
q@hp.(V }
!TAp+b __finally
8wH.et25k {
-;;Z 'NM;8 if(hProcessToken!=NULL) CloseHandle(hProcessToken);
\uG`|Dn if(hProcess!=NULL) CloseHandle(hProcess);
a4gi,pz$] }
7*w VI+ return(IsKilled);
W/=|/-\]/ }
fWGOP~0 //////////////////////////////////////////////////////////////////////////////////////////////
mqfO4"lt 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:
r$wZt /*********************************************************************************************
9^F2$+T[: ModulesKill.c
D~K;~nI Create:2001/4/28
s]27l3)B Modify:2001/6/23
W&"|}Pi/ Author:ey4s
|r RG=tG_' Http://www.ey4s.org Z<b"`ty. PsKill ==>Local and Remote process killer for windows 2k
1;eX& **************************************************************************/
02JL* #include "ps.h"
9=dkx^q #define EXE "killsrv.exe"
Zs zs1{t #define ServiceName "PSKILL"
tZWrz
e^ ~:sE:9$z #pragma comment(lib,"mpr.lib")
^ons:$0h //////////////////////////////////////////////////////////////////////////
&B{8uge1 //定义全局变量
Ja^ 5?Ar| SERVICE_STATUS ssStatus;
#6S75{rnW" SC_HANDLE hSCManager=NULL,hSCService=NULL;
ZC^C BOOL bKilled=FALSE;
}ublR&zlp char szTarget[52]=;
VFD%h
} //////////////////////////////////////////////////////////////////////////
?T:
jk4+ BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
m)?5}ZwAH BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
://U^sFL BOOL WaitServiceStop();//等待服务停止函数
SjcL#S($&Y BOOL RemoveService();//删除服务函数
&$fbP5uAZ /////////////////////////////////////////////////////////////////////////
U!q[e`B int main(DWORD dwArgc,LPTSTR *lpszArgv)
h=RDO {
GSVdb/+ BOOL bRet=FALSE,bFile=FALSE;
IvBGpT"(I char tmp[52]=,RemoteFilePath[128]=,
sJr5t? szUser[52]=,szPass[52]=;
T>]sQPg HANDLE hFile=NULL;
{0jIY DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
?H;{~n? _ptP[SV^j //杀本地进程
Fq,N if(dwArgc==2)
aSnp/g {
/-*hjX$n if(KillPS(atoi(lpszArgv[1])))
)q?$p9 printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
,I*X)( else
[F([ printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
}B!cv{{ lpszArgv[1],GetLastError());
cz.3|Lby return 0;
KXBL
eR&^ }
Z(!pYhLq //用户输入错误
mc@M ,2@D else if(dwArgc!=5)
=&NOHT> {
0o/B{|rv printf("\nPSKILL ==>Local and Remote Process Killer"
J 3?Dj "\nPower by ey4s"
w6,*9(;$Pk "\nhttp://www.ey4s.org 2001/6/23"
c;V D}UD' "\n\nUsage:%s <==Killed Local Process"
|_pl;&;: "\n %s <==Killed Remote Process\n",
wL
eHQ] lpszArgv[0],lpszArgv[0]);
%jKH?%Ih return 1;
j 2}v} }
5d
5t9+t //杀远程机器进程
,Aa|Bd]b
strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
Va9q`XbyO strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
Xem| o& strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
V/H@vKN2 ep?:;98|t //将在目标机器上创建的exe文件的路径
,olwwv_8G sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
fA
XE~ __try
KS! iL=i {
5EhE`k4 //与目标建立IPC连接
8tZ};="F if(!ConnIPC(szTarget,szUser,szPass))
xii$e {
ec'tFL#u{ printf("\nConnect to %s failed:%d",szTarget,GetLastError());
=J.EH| return 1;
hDtKnF }
T +\ B'" printf("\nConnect to %s success!",szTarget);
t,Q'S`eTU //在目标机器上创建exe文件
i<:p.ug-O |BJqy/ hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
B! `\L! E,
D=9}|b/ NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
YX `%A6 if(hFile==INVALID_HANDLE_VALUE)
22IYrk {
OX)BP.h# printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
*R!]47Y d __leave;
b A+[{ }
0Q3 YN( //写文件内容
i@{*O@m while(dwSize>dwIndex)
|UZOAGiBg {
5ZUy: `t9.xB#Z if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
V.fp/jhj {
J(hA^;8: printf("\nWrite file %s
&:#A+4& failed:%d",RemoteFilePath,GetLastError());
4g'}h`kh __leave;
dk4D+*R }
4]u,x`6C dwIndex+=dwWrite;
r$?Vx_f`Q }
rBD2Si= //关闭文件句柄
f~v"zT CloseHandle(hFile);
F#^L9 bFile=TRUE;
kpWzMd &RK //安装服务
2b~
HHVruX if(InstallService(dwArgc,lpszArgv))
+<B|qcT! {
$%;jk //等待服务结束
vhNohCt if(WaitServiceStop())
Ir>2sTrm {
K
/8qB~J* //printf("\nService was stoped!");
:OX$LCi }
7>KQRLw else
Jbkt'Z(&J {
A_]D~HH //printf("\nService can't be stoped.Try to delete it.");
@Z"?^2 }
AW62~* Sleep(500);
l)%mqW% //删除服务
YVJ+'
A=| RemoveService();
cPm~`
Zd }
a6P!Wzb }
rF'<r~Lw __finally
xLZMpP5c {
=_uol8v //删除留下的文件
WySNL#>a if(bFile) DeleteFile(RemoteFilePath);
4^`PiRGt //如果文件句柄没有关闭,关闭之~
Qz# 3p3N? if(hFile!=NULL) CloseHandle(hFile);
V3 qT<}y| //Close Service handle
!4_!J (q% if(hSCService!=NULL) CloseServiceHandle(hSCService);
M;V&