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。
LBbk]I OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
B!yAam#^ <1>与远程系统建立IPC连接
pv;}Sv$
]- <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
l. !5/\ <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
} D{y
u+) <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
Dtt[a <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
Qgf\gTF$r+ <6>服务启动后,killsrv.exe运行,杀掉进程
K%Jy?7
U <7>清场
u0Irf"Ab 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
^0c:ro /***********************************************************************
"=N[g Module:Killsrv.c
d 6j'[ Date:2001/4/27
(khjP, Author:ey4s
?kISAA4x Http://www.ey4s.org x)5#*Q ***********************************************************************/
/5EM;Mx #include
Z[[@O #include
>ouHR* #include "function.c"
7P|GKN~ #define ServiceName "PSKILL"
zHeqV eBlVb*nmq SERVICE_STATUS_HANDLE ssh;
CZuV{Oh}? SERVICE_STATUS ss;
L1
O\PEeT /////////////////////////////////////////////////////////////////////////
1s"6 void ServiceStopped(void)
&FW|O(] {
u#ag|b/C: ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
d*4fl. ss.dwCurrentState=SERVICE_STOPPED;
T\NvN&h- ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
Vd1.g{yPV ss.dwWin32ExitCode=NO_ERROR;
?1JS*LQ$ ss.dwCheckPoint=0;
ULkjY1& ss.dwWaitHint=0;
o!dTB,Molr SetServiceStatus(ssh,&ss);
3mIVNT@S9 return;
&Vd,{JU }
2*ZB[5_V /////////////////////////////////////////////////////////////////////////
\J.PrE'(} void ServicePaused(void)
y?zNxk/p {
:?O+EE ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
S8TJnv`?' ss.dwCurrentState=SERVICE_PAUSED;
]9pK^< ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
$2~I-[ ss.dwWin32ExitCode=NO_ERROR;
f4@>7K]9TA ss.dwCheckPoint=0;
=TE6R 0b ss.dwWaitHint=0;
/n"Ib)M SetServiceStatus(ssh,&ss);
p;,Cvw{.;% return;
Zx@/5!_n. }
MDM/~Qpj_ void ServiceRunning(void)
6av]LY K {
:}i
#ODJ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
E%FCOKw_ ss.dwCurrentState=SERVICE_RUNNING;
8*k#T\ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
H<92tP4M ss.dwWin32ExitCode=NO_ERROR;
>j%HVRW ss.dwCheckPoint=0;
2WE_NEpJI ss.dwWaitHint=0;
\=P+]9 SetServiceStatus(ssh,&ss);
sL[&y'+ return;
1\X1G>60m }
WPPz/c|j /////////////////////////////////////////////////////////////////////////
MdV-;uf void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
}\!&3^I {
$<xa "aN! switch(Opcode)
vc0'x4 {
9TuE. case SERVICE_CONTROL_STOP://停止Service
G|*^W;(Z ServiceStopped();
HN9!~G break;
S:"R/EE( case SERVICE_CONTROL_INTERROGATE:
p(-f $Q( SetServiceStatus(ssh,&ss);
IxNY%&* ` break;
eo.y,U h }
38ChS.( return;
cy%JJ)sf }
_ +q.R //////////////////////////////////////////////////////////////////////////////
kC"lO' //杀进程成功设置服务状态为SERVICE_STOPPED
(U#4j 6Q //失败设置服务状态为SERVICE_PAUSED
A%qlB[!: //
Dl_y[9 void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
Hpo7diBE {
$k5mI1~ ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
ZJlmHlAX if(!ssh)
}d?"i@[ {
yhhW4rz ServicePaused();
4=^_ 4o2 return;
zGjf7VV2a }
>1 {V ServiceRunning();
B! $a Y Sleep(100);
8VxjC1v+ //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
r\-Mj\$- //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
n#8N{ya5x1 if(KillPS(atoi(lpszArgv[5])))
{y-7xg~} ServiceStopped();
G9"2h
\ else
u2%/</]h ServicePaused();
MY1s return;
XaOq &7 }
l?F-w;wHN /////////////////////////////////////////////////////////////////////////////
Ss ;C1: void main(DWORD dwArgc,LPTSTR *lpszArgv)
&.~Xl:lq {
s4h3mypw SERVICE_TABLE_ENTRY ste[2];
UlF=,0P ste[0].lpServiceName=ServiceName;
9U$n;uA ste[0].lpServiceProc=ServiceMain;
j{PuZ^v1 ste[1].lpServiceName=NULL;
o_C
j o ste[1].lpServiceProc=NULL;
t F^|,9_< StartServiceCtrlDispatcher(ste);
eJD!dGa return;
/|v:$iH,C }
z'FD{xdf /////////////////////////////////////////////////////////////////////////////
T"ors]eI 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
Twi:BI`. 下:
:j2G0vHIl( /***********************************************************************
zOO:`^ m Module:function.c
]"? +R+ Date:2001/4/28
2@ 4^ 81 Author:ey4s
lrQ +G@# Http://www.ey4s.org PO9<g%qTf ***********************************************************************/
c@iP^;D #include
^,F8 ha ////////////////////////////////////////////////////////////////////////////
AWSe!\b BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
PgZeDUPP {
wa/
:JE TOKEN_PRIVILEGES tp;
3%c{eZxG= LUID luid;
9nIBs{`/Ac lB_&Lq8G if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
l'h[wwEXm{ {
Q?]307g7 printf("\nLookupPrivilegeValue error:%d", GetLastError() );
:{2exu return FALSE;
bj)dYjf }
<~ E'% 60; tp.PrivilegeCount = 1;
RDX".'`(= tp.Privileges[0].Luid = luid;
O+D"7 if (bEnablePrivilege)
^}nz^+R tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
ra#s!m1 else
P5{|U"Y_ tp.Privileges[0].Attributes = 0;
~bL^&o(W // Enable the privilege or disable all privileges.
*oR`l32O0z AdjustTokenPrivileges(
'uAH, .B hToken,
i&KD)&9b# FALSE,
z=q &tp,
qgTN %%"~ sizeof(TOKEN_PRIVILEGES),
>9KQWeD (PTOKEN_PRIVILEGES) NULL,
k8]=5C?k (PDWORD) NULL);
f{_K%0* // Call GetLastError to determine whether the function succeeded.
Sg$14B if (GetLastError() != ERROR_SUCCESS)
!B36+W+ {
]u~6fknm printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
6uWzv~!*D return FALSE;
-8F~Tffx }
}*0OLUFFJ return TRUE;
L_$M9G|5n }
sA6Ku(9 ////////////////////////////////////////////////////////////////////////////
\g|u|Y.2[ BOOL KillPS(DWORD id)
;-Bi~XD {
9D
2B8t"a HANDLE hProcess=NULL,hProcessToken=NULL;
%\xwu(|kN BOOL IsKilled=FALSE,bRet=FALSE;
!L5[s __try
("HT0a {
9H~{2Un )dFTH?Mpo if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
};m.Y>=)K {
jU
K0?S> printf("\nOpen Current Process Token failed:%d",GetLastError());
TMsEHd __leave;
r+X%0@K }
JStT"*4j //printf("\nOpen Current Process Token ok!");
X8U._/'N if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
i7^_y3dG {
7=jeq|&kN __leave;
+jk_tPSe }
n[2[V*| mI printf("\nSetPrivilege ok!");
xHN"7 j}h M[9]t(" if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
y7 tK>aD} {
C`|'+ printf("\nOpen Process %d failed:%d",id,GetLastError());
{eR,a-D!7 __leave;
d9/YW#tm }
Y)%CxaO` //printf("\nOpen Process %d ok!",id);
[[fhfV+H if(!TerminateProcess(hProcess,1))
K<`"Sr {
|Tz/9t printf("\nTerminateProcess failed:%d",GetLastError());
Oh9jr"Gm= __leave;
-u6`B-T }
gHS;RF9 IsKilled=TRUE;
<{\UE~ }
@C),-TM __finally
HRF4
R o {
E%L]ifA9! if(hProcessToken!=NULL) CloseHandle(hProcessToken);
=d_@k[8<0 if(hProcess!=NULL) CloseHandle(hProcess);
A]nDI:pO| }
x
Hw$ return(IsKilled);
.MO"8}]8Z }
l\l\T<wa, //////////////////////////////////////////////////////////////////////////////////////////////
~5aq.hF1,A 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:
h%kB>E~ /*********************************************************************************************
#+Lo&%p#3 ModulesKill.c
],%}}UN Create:2001/4/28
[MM11K Modify:2001/6/23
=U3,P% Author:ey4s
@:DS/#! Http://www.ey4s.org hk"^3d ! PsKill ==>Local and Remote process killer for windows 2k
B1@c`BJ;9T **************************************************************************/
[ @>8Qhw #include "ps.h"
!:3NPjhf1Y #define EXE "killsrv.exe"
;D_6u(IC4: #define ServiceName "PSKILL"
z41
p$ 'Mjbvh4 #pragma comment(lib,"mpr.lib")
Kb%j;y //////////////////////////////////////////////////////////////////////////
YW"?Fy //定义全局变量
1 sCF
-r SERVICE_STATUS ssStatus;
CORNN8=k SC_HANDLE hSCManager=NULL,hSCService=NULL;
!ViHC}: BOOL bKilled=FALSE;
DvnK_Q! char szTarget[52]=;
kKVq,41' //////////////////////////////////////////////////////////////////////////
XQ:HH 8 BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
ZMJ\C|S: BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
1 'EMYQ BOOL WaitServiceStop();//等待服务停止函数
n?@o:c5,r BOOL RemoveService();//删除服务函数
LV=!nF0 /////////////////////////////////////////////////////////////////////////
d87pQ3e:& int main(DWORD dwArgc,LPTSTR *lpszArgv)
^r=#HQGt {
D@H'8C\ BOOL bRet=FALSE,bFile=FALSE;
Y=/3_[G char tmp[52]=,RemoteFilePath[128]=,
*>.~f<V szUser[52]=,szPass[52]=;
#m9V)1"wB HANDLE hFile=NULL;
#'z\[^vp DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
WPyd ^Y< ee&QZVL> //杀本地进程
KM(U-<<R if(dwArgc==2)
{rOz[E9vm {
f9u["e if(KillPS(atoi(lpszArgv[1])))
S5RS?ya printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
D00rO4~6D% else
e*vSGT$KgL printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
(J Fa lpszArgv[1],GetLastError());
n[WXIE< return 0;
?"AcK"v }
t]FFGnBZ //用户输入错误
+u_mT$|T else if(dwArgc!=5)
y)U8\ {
O3*Vilx printf("\nPSKILL ==>Local and Remote Process Killer"
-tx)7KV- "\nPower by ey4s"
qd3B>f "\nhttp://www.ey4s.org 2001/6/23"
2!dIW5I "\n\nUsage:%s <==Killed Local Process"
UR-e'Z&] "\n %s <==Killed Remote Process\n",
u
` 9Eh; lpszArgv[0],lpszArgv[0]);
D4[5}NYU return 1;
~C=`yj }
8%7H
F: //杀远程机器进程
wr*A%: strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
/H^bDUC :r strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
Q}]:lmqH strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
3v:RLnB ]-{T-*h: //将在目标机器上创建的exe文件的路径
-$WiB sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
txr!3-Ne'! __try
$if(`8 {
oG@P M+{ //与目标建立IPC连接
6?}8z
q[ if(!ConnIPC(szTarget,szUser,szPass))
vWfC!k-)b {
?Pmj }f printf("\nConnect to %s failed:%d",szTarget,GetLastError());
zGZe|- return 1;
S%&l(=0X }
O0b8wpFf printf("\nConnect to %s success!",szTarget);
9>@_};l //在目标机器上创建exe文件
a((5_8SX5 2T?t[;- hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
u[ 2R>= E,
(U/[i.r5Cj NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
!^q<)!9<EO if(hFile==INVALID_HANDLE_VALUE)
mMT7`r;l {
-lSm:O@' printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
pS%,wjb&P __leave;
)Y?Hf2'] }
cx_"{`+e //写文件内容
WKxJ`r\ while(dwSize>dwIndex)
0e vxRcrzz {
?WUE+(oH> `j=CzZ*em? if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
C<w9f {
;p\rgam printf("\nWrite file %s
L1)?5D failed:%d",RemoteFilePath,GetLastError());
>R !^aJ __leave;
L ?KEe>;r }
y''? yr dwIndex+=dwWrite;
!h9 An }
6xz&Qi7w //关闭文件句柄
<#|3z8N2 CloseHandle(hFile);
by6E
"7% bFile=TRUE;
`5 e#9@/e //安装服务
NqqLRgMOR' if(InstallService(dwArgc,lpszArgv))
_rjCwo\ {
|k
4+I //等待服务结束
>>^c_ 0"O if(WaitServiceStop())
oF,8j1 {
(:T~*7/" //printf("\nService was stoped!");
Kq!n`@ }
DU1,i&( else
` S85i* {
mg >oB/,'Z //printf("\nService can't be stoped.Try to delete it.");
sFS_CyN!7 }
&Vgjd> Sleep(500);
2
H^9Qd //删除服务
\UB<'~z6! RemoveService();
XyhOd$) }
B)^]V<l(w }
Vi#(x9. __finally
e`}|*^- {
3Q`'C7Pi //删除留下的文件
>Ckb9A if(bFile) DeleteFile(RemoteFilePath);
$ HUCp9 //如果文件句柄没有关闭,关闭之~
3'&]v6| if(hFile!=NULL) CloseHandle(hFile);
Nt/*VYUn //Close Service handle
HM[BFF[;/ if(hSCService!=NULL) CloseServiceHandle(hSCService);
kFk+TXLDIt //Close the Service Control Manager handle
O~aS&g/sf if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
&