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。
pS[KBQ"F OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
Ucdj4[/,h <1>与远程系统建立IPC连接
#~L h# <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
9\;|x <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
7^*"O&y_al <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
awewYf$li <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
/`npQg- <6>服务启动后,killsrv.exe运行,杀掉进程
AVw%w&|% <7>清场
17.x0gW, 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
zsXoBD\h /***********************************************************************
wnLi2k/Dt< Module:Killsrv.c
m-/j1GZ* Date:2001/4/27
qTQ!jN Author:ey4s
"xRBE\B Http://www.ey4s.org os lJC$cy' ***********************************************************************/
a`(a)9i #include
=PHIpFIuk #include
7piuLq+ #include "function.c"
!T,AdNa8 #define ServiceName "PSKILL"
8}e,%{q 6\jf|:h SERVICE_STATUS_HANDLE ssh;
sj?3M@l95W SERVICE_STATUS ss;
AJ^#eY5 /////////////////////////////////////////////////////////////////////////
{yA$V0`N{ void ServiceStopped(void)
Q&'}BeUbm {
JRMM? y ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Wu6<\^A ss.dwCurrentState=SERVICE_STOPPED;
A'&n5)tb ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
Mwp$ ss.dwWin32ExitCode=NO_ERROR;
Q7X3X, ss.dwCheckPoint=0;
B[4pX
+f ss.dwWaitHint=0;
{<>K]P~wD SetServiceStatus(ssh,&ss);
sOCs13A" return;
\dQx+f&t }
&k7;DO /////////////////////////////////////////////////////////////////////////
4)>FS'= void ServicePaused(void)
KInk^`C/H {
y! .J ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Zk8|K'oHx ss.dwCurrentState=SERVICE_PAUSED;
)vg5((C ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
NcPgq?3p ss.dwWin32ExitCode=NO_ERROR;
r7]zQIE ss.dwCheckPoint=0;
c#IYFTz ss.dwWaitHint=0;
b1XRC`Gy SetServiceStatus(ssh,&ss);
PQKaqv}N return;
.`<@m]m- }
SUKxkc( void ServiceRunning(void)
qn1255fB {
73#x|lY ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
me6OPc;:! ss.dwCurrentState=SERVICE_RUNNING;
sVk$x:k1M ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
bwM@/g%DL ss.dwWin32ExitCode=NO_ERROR;
mGUO6>g ss.dwCheckPoint=0;
m'\ 2:mDu0 ss.dwWaitHint=0;
##Q/I| SetServiceStatus(ssh,&ss);
^EG\iO2X return;
c gzwx }
G0u LmW70 /////////////////////////////////////////////////////////////////////////
g,o?q:FL void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
'0y9MXRT {
"<_0A f] switch(Opcode)
iRg7*MQu {
=[\s8XH, case SERVICE_CONTROL_STOP://停止Service
A1P
K ServiceStopped();
>>aq,pH break;
8d*/HF)h case SERVICE_CONTROL_INTERROGATE:
:ISMPe3' SetServiceStatus(ssh,&ss);
r78TE@d break;
P0H6mn* }
wn_b[tdxq return;
x8\A<(G_M= }
PHA-9\jC{ //////////////////////////////////////////////////////////////////////////////
?pgG,=? //杀进程成功设置服务状态为SERVICE_STOPPED
w.,Q1\*rPp //失败设置服务状态为SERVICE_PAUSED
Le<wR //
:1t~[-h^ void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
3d<HN6&U {
L-B<nl ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
M?&h~V1OI~ if(!ssh)
%sHF-n5P {
/ XnhmqWm% ServicePaused();
qd8n2f return;
?bM_q_5 }
<E\$3Ym9 ServiceRunning();
H$G0`LP0/a Sleep(100);
_k8A$s<d //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
ebPgYxVZR //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
iyj+:t/ if(KillPS(atoi(lpszArgv[5])))
?4H i- ServiceStopped();
it] E-^2> else
MlLb|!,)T ServicePaused();
|FD }e) return;
/Q~gU< }
A,r*%&4~ /////////////////////////////////////////////////////////////////////////////
vad12WrG< void main(DWORD dwArgc,LPTSTR *lpszArgv)
yG Wnod' {
pv^O"Bs SERVICE_TABLE_ENTRY ste[2];
/Uo
y/}! ste[0].lpServiceName=ServiceName;
=K{\p`? ste[0].lpServiceProc=ServiceMain;
cUTE$/#s ste[1].lpServiceName=NULL;
Hwo$tVa:= ste[1].lpServiceProc=NULL;
Y"OG@1V;8 StartServiceCtrlDispatcher(ste);
GA7}K:LP'k return;
1x,[6H }
aK`@6F,]j /////////////////////////////////////////////////////////////////////////////
atXS-bg* function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
cZ)}LX 下:
DW)2 m; /***********************************************************************
DJgTA]$& Module:function.c
<SI}lQ'i Date:2001/4/28
OKFtl Author:ey4s
/-#I_>:8' Http://www.ey4s.org Sz H" ***********************************************************************/
&\apwD #include
/-bO!RTwf ////////////////////////////////////////////////////////////////////////////
aW!@f[%~F BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
A:7k+4 {
p~*UpU8u TOKEN_PRIVILEGES tp;
71vkyn@" LUID luid;
-V: "l t3dlS`O if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
TLoz)&@ {
kOh{l: 2-+ printf("\nLookupPrivilegeValue error:%d", GetLastError() );
5|jw^s7 return FALSE;
35tu>^_#V }
MwmUgN"g tp.PrivilegeCount = 1;
&QhX1dT+ tp.Privileges[0].Luid = luid;
Qg6W5Hc if (bEnablePrivilege)
SM`w;?L:? tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
_/wV;h~R else
< yC tp.Privileges[0].Attributes = 0;
u|4$+QiD // Enable the privilege or disable all privileges.
SPp#f~%m AdjustTokenPrivileges(
r\AyN=
y hToken,
u]vQ>Uu FALSE,
765p/** &tp,
-?(E_^ng sizeof(TOKEN_PRIVILEGES),
r#xg#u oj (PTOKEN_PRIVILEGES) NULL,
0_CN/5F (PDWORD) NULL);
i\W/C // Call GetLastError to determine whether the function succeeded.
` AY_2>7 if (GetLastError() != ERROR_SUCCESS)
;vt8R=T {
C+|b1/N- printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
T0&f8 return FALSE;
@xB*KyUW }
sJ]taY ou return TRUE;
It{ ;SKeo }
[,TkFbDq"J ////////////////////////////////////////////////////////////////////////////
JwJ7=P=c BOOL KillPS(DWORD id)
}d<}FJ-, {
ve\X3"p# HANDLE hProcess=NULL,hProcessToken=NULL;
lkBdl#]9 BOOL IsKilled=FALSE,bRet=FALSE;
V{<xff __try
/% kY0 LY {
hUYd0qEbEt -%L6#4m4o if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
1x[)/@.'f {
/~^rr
f printf("\nOpen Current Process Token failed:%d",GetLastError());
Yot?=T};3{ __leave;
D$T%\
P }
nxr!`^Mne //printf("\nOpen Current Process Token ok!");
U^Xm)lL if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
)HX|S-qRU= {
YfRkwKjy( __leave;
4q<=K= F }
P3oI2\)*i printf("\nSetPrivilege ok!");
R+Y4| e*L.U~ZR if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
?:w1je7 {
)KP5WudX printf("\nOpen Process %d failed:%d",id,GetLastError());
F+@5C:<? __leave;
t*?0D\b
2 }
%JLk$sP9y` //printf("\nOpen Process %d ok!",id);
yrR1[aT if(!TerminateProcess(hProcess,1))
HeG)/W?r {
KCWc`Oz printf("\nTerminateProcess failed:%d",GetLastError());
IKi5 v~bE __leave;
B9wPU1 }
8cA~R- IsKilled=TRUE;
X=>=5' }
{RF-sqce __finally
&B|D;|7H {
zD<or&6 if(hProcessToken!=NULL) CloseHandle(hProcessToken);
)HvnoUO0 if(hProcess!=NULL) CloseHandle(hProcess);
d'Zqaaf k% }
;INW`b~ return(IsKilled);
AZmb!}m+d }
435;Vns\n //////////////////////////////////////////////////////////////////////////////////////////////
SCz(5[MZJ 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:
]niJGt /*********************************************************************************************
yR4|S2D3xn ModulesKill.c
Z.M,NR Create:2001/4/28
lv]hTH 4T Modify:2001/6/23
Op_RzZP` Author:ey4s
^.>jGI%rB Http://www.ey4s.org (7 r<'' PsKill ==>Local and Remote process killer for windows 2k
&-mX , **************************************************************************/
IV)<5'v #include "ps.h"
I6Ce_|n
?k #define EXE "killsrv.exe"
"U\4:k`: #define ServiceName "PSKILL"
A*um{E+ _vZ"4L+Iw+ #pragma comment(lib,"mpr.lib")
!&"<oPjr+ //////////////////////////////////////////////////////////////////////////
t
89!Ihk //定义全局变量
Ovj^IjG-` SERVICE_STATUS ssStatus;
3JVK SC_HANDLE hSCManager=NULL,hSCService=NULL;
fXc m|U,ho BOOL bKilled=FALSE;
Lliqj1& char szTarget[52]=;
N"3b{Qio //////////////////////////////////////////////////////////////////////////
$ >EYhLBa BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
1n@8Kv BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
2"B _At BOOL WaitServiceStop();//等待服务停止函数
[h,Q Bz BOOL RemoveService();//删除服务函数
)LyojwY_g /////////////////////////////////////////////////////////////////////////
DS)RX.k_# int main(DWORD dwArgc,LPTSTR *lpszArgv)
a|?4) {
>hr{JJe BOOL bRet=FALSE,bFile=FALSE;
WH= EPOR, char tmp[52]=,RemoteFilePath[128]=,
u&n'
ITH szUser[52]=,szPass[52]=;
uh?>-
]r` HANDLE hFile=NULL;
BN4_: DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
kP?KXT3y O/<K!;(@? //杀本地进程
0pSmj2/,. if(dwArgc==2)
> z^# {
6AWKLFMV if(KillPS(atoi(lpszArgv[1])))
2 6>ZW4Z printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
UYz0PSV=. else
a<h1\ `H7 printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
|qoKO:B4-[ lpszArgv[1],GetLastError());
0V!l,pg return 0;
a:_I }
T_lsGu/ //用户输入错误
^7.h%lSg else if(dwArgc!=5)
zR32PG>9 {
X~xd/M=9^ printf("\nPSKILL ==>Local and Remote Process Killer"
W.w)H@]7m "\nPower by ey4s"
X7g3 "\nhttp://www.ey4s.org 2001/6/23"
G5FaYL.7 "\n\nUsage:%s <==Killed Local Process"
x+G0J8cW "\n %s <==Killed Remote Process\n",
nIvJrAm4k lpszArgv[0],lpszArgv[0]);
3bNIZ#`|MB return 1;
d|iy#hy"_ }
aV1lJ;0 //杀远程机器进程
:h,`8 Di strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
^JR;epVJ
strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
A%\tiZe strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
J`*iZvW#Bx Q# ?wXX47 //将在目标机器上创建的exe文件的路径
M=]5WZO~A sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
X_$a,"'~) __try
jw
,izxia {
~np,_yI //与目标建立IPC连接
nNmsr=y5 if(!ConnIPC(szTarget,szUser,szPass))
=IKEb#R/ {
oK9' printf("\nConnect to %s failed:%d",szTarget,GetLastError());
Yct5V,X^ return 1;
0qFH
s }
gf)t)- E printf("\nConnect to %s success!",szTarget);
j6ut}Uq //在目标机器上创建exe文件
B%\g kl 5HS~op2n/ hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
q*)+K9LRk E,
OJ4SbI NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
Wn|&cG9 if(hFile==INVALID_HANDLE_VALUE)
xdy^^3" {
smQVWs> printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
_;RVe"tR# __leave;
kWj
\x|E
}
,572n[-q //写文件内容
X%9*O[6{ while(dwSize>dwIndex)
4F MAz^ {
i.1U|Pi DDd|T;8 if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
StYzGJ {
VK3it3FI>3 printf("\nWrite file %s
o5aLUWi- failed:%d",RemoteFilePath,GetLastError());
B8I4[@m>w\ __leave;
SNT5Am z! }
zX7q:Pt dwIndex+=dwWrite;
[*m2 }
4QJ8Z t //关闭文件句柄
] q~<= CloseHandle(hFile);
GQ_Ia\ bFile=TRUE;
SJgY //安装服务
o{-<L if(InstallService(dwArgc,lpszArgv))
;2giZ\ {
f*xpE`& //等待服务结束
7 boJ* if(WaitServiceStop())
kVDe6},D7 {
%|XE#hw //printf("\nService was stoped!");
Rn+4DcR }
;9uRO*H?T else
~=y3Gd
B3 {
!#? kWAU //printf("\nService can't be stoped.Try to delete it.");
J0220 _ }
8rbG*6 Sleep(500);
;Pb8YvG1$ //删除服务
K\Eo z]? RemoveService();
<Mf*l)%* }
b*,3<