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。
m<I>NYfE OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
`EWQ>m+ <1>与远程系统建立IPC连接
rcUJOI <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
$A^OP{ <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
[Z2mH <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
|3P dlIbO <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
0P l>k'9 <6>服务启动后,killsrv.exe运行,杀掉进程
7p_B?r <7>清场
;!pSYcT, 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
4_W*LG~2s /***********************************************************************
)MeeF-Ad6 Module:Killsrv.c
O#n=mJ Date:2001/4/27
Dks"(0g Author:ey4s
_fjHa6S Http://www.ey4s.org ^8V8,C) ***********************************************************************/
~%!"!Z4 #include
|Sr
#include
('1]f?:M #include "function.c"
cI (} #define ServiceName "PSKILL"
Wxa</n8S[n Nq"J[l*+g SERVICE_STATUS_HANDLE ssh;
-)9aY. SERVICE_STATUS ss;
0mR^%+~ /////////////////////////////////////////////////////////////////////////
FO{?Z%& ; void ServiceStopped(void)
9}$'q$0R] {
M$Ow*!DfP ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
4,.[B7irR ss.dwCurrentState=SERVICE_STOPPED;
c"oJcp ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
BPd *@l ss.dwWin32ExitCode=NO_ERROR;
6Sz|3ms ss.dwCheckPoint=0;
1~y\MD*-j ss.dwWaitHint=0;
=4#p|OZP SetServiceStatus(ssh,&ss);
a St:G*a" return;
%*];XpAE }
CPci
'SO /////////////////////////////////////////////////////////////////////////
g_;4@jwTP" void ServicePaused(void)
!0X/^Xv@= {
#b>D^=NV>) ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
y`a]##1j$M ss.dwCurrentState=SERVICE_PAUSED;
mGh8/Xt ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
/3j3'~0 ss.dwWin32ExitCode=NO_ERROR;
s[Whg!2~ ss.dwCheckPoint=0;
*]*0uo ss.dwWaitHint=0;
<2t%<<% SetServiceStatus(ssh,&ss);
#'8'5b return;
,m[#<}xXA }
j7yUya& void ServiceRunning(void)
Bmv5yc+; {
|h-e+Wh1 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
6kHuKxY, ss.dwCurrentState=SERVICE_RUNNING;
-\~HAnh ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
~;vt{pk ss.dwWin32ExitCode=NO_ERROR;
>D_!d@Z ss.dwCheckPoint=0;
Q(jIqY1Hf ss.dwWaitHint=0;
PYyT#AcW2 SetServiceStatus(ssh,&ss);
AHet,N return;
l,ic-Y1 }
@umn[J#* /////////////////////////////////////////////////////////////////////////
*T2kxN,Ik void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
^_t7{z%sA[ {
jIjW +D` switch(Opcode)
+[7 DRT: {
D-Q54 "^3 case SERVICE_CONTROL_STOP://停止Service
q.ZkQN+ ServiceStopped();
O |0V mm
break;
6+/BYN!&4 case SERVICE_CONTROL_INTERROGATE:
%mRnJgV5k SetServiceStatus(ssh,&ss);
8iC9xSH[% break;
Ww
=ksggpB }
ZY*_x)h+#7 return;
(97&mhs3 }
"10.,QK //////////////////////////////////////////////////////////////////////////////
'o|=_0-7W //杀进程成功设置服务状态为SERVICE_STOPPED
#&snl //失败设置服务状态为SERVICE_PAUSED
l4AXjq2 //
<])kO`+G void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
z_%}F': {
%afz{a5 ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
)j}v3@EM5 if(!ssh)
8TCbEPS@Q {
ZM_-g4[H ServicePaused();
7T?T0x3> return;
MCTTm^8O }
>:|jds# ServiceRunning();
7~H"m/;U& Sleep(100);
a0PClbf2. //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
+HEL ^ //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
,'byJlw_pv if(KillPS(atoi(lpszArgv[5])))
zKFiCP
K ServiceStopped();
ntn ~=oL else
nG7E j#1 ServicePaused();
&H/3@A3 return;
Q+p9^_r }
3u oIYY /////////////////////////////////////////////////////////////////////////////
:?:R5_Nd= void main(DWORD dwArgc,LPTSTR *lpszArgv)
I@ D<rjR {
3XhLn/@ SERVICE_TABLE_ENTRY ste[2];
BHR(B]EI ste[0].lpServiceName=ServiceName;
e#^vA$d ste[0].lpServiceProc=ServiceMain;
' pfkbmJ ste[1].lpServiceName=NULL;
(t"e#b(: ste[1].lpServiceProc=NULL;
f<vZ4 IU StartServiceCtrlDispatcher(ste);
:8Ugz ~i return;
m0 ]Lc{ }
1 Ay.^f /////////////////////////////////////////////////////////////////////////////
KNSMx<GP 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
$u,
~183 下:
<
;fI*km /***********************************************************************
+@MG$*}Oz Module:function.c
i([|@Y= Date:2001/4/28
sPRs;to- Author:ey4s
QLb!e"C Http://www.ey4s.org 95*=&d ***********************************************************************/
7upN:7D- #include
`FByME ////////////////////////////////////////////////////////////////////////////
><{Lh@{ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
Tz{-L%*# {
J )UCy;Y TOKEN_PRIVILEGES tp;
Bs\&'=l LUID luid;
e\! ic vq1u!SY if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
D:XjJMW3r {
$|K-wN[ printf("\nLookupPrivilegeValue error:%d", GetLastError() );
4K$_d,4`U return FALSE;
R2y~+tko? }
s\.\z[1 tp.PrivilegeCount = 1;
.`^wRpa2M tp.Privileges[0].Luid = luid;
i*e'eZ;) if (bEnablePrivilege)
a>#]d tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
_^p\
u else
"T.Qb/97@ tp.Privileges[0].Attributes = 0;
@UW*o&pGqL // Enable the privilege or disable all privileges.
4d%QJ7y AdjustTokenPrivileges(
U?j[
8z hToken,
),I g u FALSE,
3u4P
[ &tp,
bEb+oRI sizeof(TOKEN_PRIVILEGES),
IhXP~C6 (PTOKEN_PRIVILEGES) NULL,
)odz/\9n3c (PDWORD) NULL);
|\N))K-2D // Call GetLastError to determine whether the function succeeded.
;&
zBNj if (GetLastError() != ERROR_SUCCESS)
LuWY}ste {
K*N8Vpz( printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
[q~3$mjQ return FALSE;
_aw49ag; }
oI x!?,1 return TRUE;
]>,Lw=_[_ }
\8]("l}ms8 ////////////////////////////////////////////////////////////////////////////
trlZ BOOL KillPS(DWORD id)
Cg]S`R- {
v(^;% HANDLE hProcess=NULL,hProcessToken=NULL;
&W
N
R{ BOOL IsKilled=FALSE,bRet=FALSE;
iM~qSRb#mJ __try
#yOn / {
f&?
8fB8{ Gy!bPVe if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
h/7_I uD {
a4eE/1 printf("\nOpen Current Process Token failed:%d",GetLastError());
)
-@Dh6F __leave;
#g]eDU-[ }
hv )d //printf("\nOpen Current Process Token ok!");
mf\@vI if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
ZC9S0Z {
CFG(4IMx __leave;
6 IKi*} }
I~25}(IDZ" printf("\nSetPrivilege ok!");
]_2<uK}fg r-5xo.J' if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
_Q}vPSJviC {
sLW e \o printf("\nOpen Process %d failed:%d",id,GetLastError());
_q`f5*Z[ __leave;
>H,PST }
*[tLwl. //printf("\nOpen Process %d ok!",id);
Q=#Wk$1. if(!TerminateProcess(hProcess,1))
)gNVJ {
aV G4Df printf("\nTerminateProcess failed:%d",GetLastError());
teJY*)d __leave;
PB!*&T'! }
.gA4gI1kH IsKilled=TRUE;
7
'{wl,u }
5>&C.+A 9 __finally
^']*UD; {
td|O #R if(hProcessToken!=NULL) CloseHandle(hProcessToken);
XO}v8nWV if(hProcess!=NULL) CloseHandle(hProcess);
w s7LDY&( }
w>&g' return(IsKilled);
RNb" O{3 }
PRN%4G //////////////////////////////////////////////////////////////////////////////////////////////
e# KP3Lp 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:
:jGgX>GG /*********************************************************************************************
TTz_w-68 ModulesKill.c
[+b&)jN*2 Create:2001/4/28
%^bN^Sq
- Modify:2001/6/23
$%"~.L4 Author:ey4s
JvM:x y9 Http://www.ey4s.org E 7"`D\* PsKill ==>Local and Remote process killer for windows 2k
MzIn~[\ **************************************************************************/
EN)0b,ax #include "ps.h"
{\ J%i|u #define EXE "killsrv.exe"
JmbWEX| #define ServiceName "PSKILL"
=7-@&S=?s d.p%jVO)" #pragma comment(lib,"mpr.lib")
E~1"Nh //////////////////////////////////////////////////////////////////////////
K"VRHIhfg //定义全局变量
|%fM*F^7/ SERVICE_STATUS ssStatus;
6='x}Qb \H SC_HANDLE hSCManager=NULL,hSCService=NULL;
#)( D_* BOOL bKilled=FALSE;
pxHJX2 char szTarget[52]=;
iTJE:[W"y //////////////////////////////////////////////////////////////////////////
qfyuq] BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
_hi8mo BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
`D0Hu!; BOOL WaitServiceStop();//等待服务停止函数
*w6(nG'M{ BOOL RemoveService();//删除服务函数
_[S<Cb*1 /////////////////////////////////////////////////////////////////////////
AI2@VvB int main(DWORD dwArgc,LPTSTR *lpszArgv)
Kl w9 {
-Ps kUl' BOOL bRet=FALSE,bFile=FALSE;
Cm#[$T@C char tmp[52]=,RemoteFilePath[128]=,
U$j?2|v-x szUser[52]=,szPass[52]=;
}N
W01nee HANDLE hFile=NULL;
LRv[,]b DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
P#qQde/y '~[JV>5 //杀本地进程
%Su, if(dwArgc==2)
>npFg@A {
'))=y@M if(KillPS(atoi(lpszArgv[1])))
zN,2
(v" printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
SsQg8d else
`h$^=84 printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
l6< bV#_qe lpszArgv[1],GetLastError());
h|[oQ8) return 0;
@tPptB }
>+2gAO! //用户输入错误
OLyl.#J else if(dwArgc!=5)
3ULn ]jA {
Ogp@! printf("\nPSKILL ==>Local and Remote Process Killer"
VU\{<j{ "\nPower by ey4s"
X&cm)o%5Fe "\nhttp://www.ey4s.org 2001/6/23"
g)^g_4 "\n\nUsage:%s <==Killed Local Process"
M]A!jWtE "\n %s <==Killed Remote Process\n",
YCo qe,5 lpszArgv[0],lpszArgv[0]);
}Z8DVTpX} return 1;
GA2kg7 }
H]VoXJ\* //杀远程机器进程
0Y9fK? ( strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
+cC$4t0$^A strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
9M1 UkS$`@ strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
Y%@a~| vABUUAo!Jr //将在目标机器上创建的exe文件的路径
zfm#yDf sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
&``nYI g/ __try
T#-U\C~o {
E<L6/rG //与目标建立IPC连接
3}2a3) if(!ConnIPC(szTarget,szUser,szPass))
%q_b\K {
qp55U* printf("\nConnect to %s failed:%d",szTarget,GetLastError());
(sx,Ol return 1;
El|Y]f }
4>t=r\"4 printf("\nConnect to %s success!",szTarget);
HHg[6aw //在目标机器上创建exe文件
?7R&=B1g eTZ2f hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
{Zrf>ST E,
Gw?$.@L'I6 NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
e6uVUzP4 if(hFile==INVALID_HANDLE_VALUE)
FlepM* {
S~Yu; printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
n_Bi HMIU' __leave;
MUvgmJsN }
zOA2chy4 //写文件内容
C}(9SASs% while(dwSize>dwIndex)
m$B)_WW {
dn:/8~B"X 3Tz~DdB if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
D4\
*
,w {
Q(h/C!rKe printf("\nWrite file %s
M 3c failed:%d",RemoteFilePath,GetLastError());
yf2$HF __leave;
p+; La }
}<g-0&GLm dwIndex+=dwWrite;
y\c-I!6>26 }
<F-W fR //关闭文件句柄
C,nU.0 CloseHandle(hFile);
H:.l:PJ bFile=TRUE;
MNd[Xzm //安装服务
`nEe-w^9)I if(InstallService(dwArgc,lpszArgv))
w~}.c:B {
6'qu[~}Q //等待服务结束
OmAa$L,'w if(WaitServiceStop())
AIw< 5lW {
>^zbDU1wT //printf("\nService was stoped!");
%mMPALN]{ }
w}r~Wk^dLI else
K#4Toc#=V {
IhPX/P //printf("\nService can't be stoped.Try to delete it.");
QT7PCHP }
c,_??8 Sleep(500);
GNab\M. //删除服务
IJv+si:k RemoveService();
gkL{]*9&% }
1cY,)Z%l # }
`u#N __finally
f'%Pkk {
iBaz1pDc //删除留下的文件
&20}64eW% if(bFile) DeleteFile(RemoteFilePath);
j|2s./!Qg //如果文件句柄没有关闭,关闭之~
AQIBg9y7 if(hFile!=NULL) CloseHandle(hFile);
^Bu55q //Close Service handle
m$}Jw<