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。
2$A "{2G OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
cR*~JwC: <1>与远程系统建立IPC连接
q9a6s{, <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
sOS^ <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
TqOH(={ <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
J(=y$8xje <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
(N)>?r@n` <6>服务启动后,killsrv.exe运行,杀掉进程
uK1VFW <7>清场
a3a:H 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
q(1hY"S"}b /***********************************************************************
~C3Ada@4 Module:Killsrv.c
3*(><<ZC Date:2001/4/27
yx ;K&> Author:ey4s
+kD JZ Http://www.ey4s.org +>$Kmy[3 ***********************************************************************/
yUO%@; #include
Uty0mc( #include
t%f>*}*P* #include "function.c"
sb?!U"v.' #define ServiceName "PSKILL"
,Z! I ^ C',uY7}< SERVICE_STATUS_HANDLE ssh;
pr,1pqiAf SERVICE_STATUS ss;
AI9922}* /////////////////////////////////////////////////////////////////////////
TgJ6O,0 void ServiceStopped(void)
\$F#bIjC {
HMmVfGp] ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
ap"pQ[t; ss.dwCurrentState=SERVICE_STOPPED;
EVA&By6_k ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
u),.q7(m ss.dwWin32ExitCode=NO_ERROR;
5l%g3F ss.dwCheckPoint=0;
%[azMlp< ss.dwWaitHint=0;
MIWc
@.i2 SetServiceStatus(ssh,&ss);
>xsY"N&1i' return;
s|TO9N)pO }
}"v#_vJfz7 /////////////////////////////////////////////////////////////////////////
>}JEX]V void ServicePaused(void)
}LLQ+ {
'SrDc'? ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
4nh0bI N1 ss.dwCurrentState=SERVICE_PAUSED;
HYY+Fv5 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
Q|2*V1"r<2 ss.dwWin32ExitCode=NO_ERROR;
t"e %'dFv ss.dwCheckPoint=0;
U^qS[HM ss.dwWaitHint=0;
Z,M2vRj"qT SetServiceStatus(ssh,&ss);
:/t_5QN return;
8|5+\1!#/) }
6Lg#co}9 void ServiceRunning(void)
3 +`,'Q9 {
fRkx ^u
P ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
6k<3,`VV| ss.dwCurrentState=SERVICE_RUNNING;
x;LO{S4Z ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
b5f+q:?{ ss.dwWin32ExitCode=NO_ERROR;
-mLu!32I< ss.dwCheckPoint=0;
'UZ i>Ta ss.dwWaitHint=0;
$*Wa A`(U SetServiceStatus(ssh,&ss);
&h=f return;
fGe"1MfU }
W2M[w_~QE /////////////////////////////////////////////////////////////////////////
%dhrXK5 void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
1'dZ?`O {
;sz _W%-;@ switch(Opcode)
+OtD@lD`! {
:&2%x case SERVICE_CONTROL_STOP://停止Service
1Oak8 \G ServiceStopped();
+$/NTUOP break;
L6ypn)l case SERVICE_CONTROL_INTERROGATE:
cFuQ>xR1 SetServiceStatus(ssh,&ss);
?MFXZ/3(ba break;
Q7/Jyx| }
bBGg4{ return;
lEb H4 g }
$~?)E;S
//////////////////////////////////////////////////////////////////////////////
^v:XON< //杀进程成功设置服务状态为SERVICE_STOPPED
Ay%]l| Gm //失败设置服务状态为SERVICE_PAUSED
nB5^ //
g9d/nRX& void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
q~*|Wd'& {
o? K>ji! ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
]"j%:fr if(!ssh)
*/$] kE {
,JPDPI/a ServicePaused();
HW"5MZ8E return;
s:z }
-B-HZ_ ServiceRunning();
C]ax}P>BQ Sleep(100);
M*~X pT3 //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
#]^M/y
h //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
s5MG#M 9 if(KillPS(atoi(lpszArgv[5])))
RK)ikLgp ServiceStopped();
|I|,6*)xg else
KxfH6:\RB ServicePaused();
9C5F#(uY return;
]I;owk, }
o_[I#PT /////////////////////////////////////////////////////////////////////////////
yBv4 xKMH void main(DWORD dwArgc,LPTSTR *lpszArgv)
NL!xkcXO {
0TiDQ4}i[ SERVICE_TABLE_ENTRY ste[2];
z:)*Aobwv ste[0].lpServiceName=ServiceName;
4FKgp|Y0 ste[0].lpServiceProc=ServiceMain;
`q1-yH0~4 ste[1].lpServiceName=NULL;
#sbW^Q'I
ste[1].lpServiceProc=NULL;
%L-{4Z!"sI StartServiceCtrlDispatcher(ste);
fQ_tXY return;
-Q ];o~ }
Vn_>c#B /////////////////////////////////////////////////////////////////////////////
WM=)K1p0u 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
$%ww$3 下:
%Rk0sfLvn /***********************************************************************
2o W'B^- Module:function.c
4=& d{.E Date:2001/4/28
<\d2)Iv Author:ey4s
xr!A>q+@i Http://www.ey4s.org ~i>'3j0@k ***********************************************************************/
|]-~yYqP3 #include
eQqCRXx ////////////////////////////////////////////////////////////////////////////
VjZb\
d4 BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
#ZHKq7 {
6r[pOl: TOKEN_PRIVILEGES tp;
e%0IEX LUID luid;
cwQ*P$n 6QP T if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
K;TTGK {
(@O,U printf("\nLookupPrivilegeValue error:%d", GetLastError() );
>}u#KBedE return FALSE;
m&s;zQ }
Us> tp.PrivilegeCount = 1;
+|4olK$[ tp.Privileges[0].Luid = luid;
4~WSIR- if (bEnablePrivilege)
zXwdU58 tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
,.Lo)[( else
PX?^v8wlqL tp.Privileges[0].Attributes = 0;
]a:T]x6' // Enable the privilege or disable all privileges.
a^VI) AdjustTokenPrivileges(
v)*eLX$ hToken,
a"k,x-EL( FALSE,
Ct3+ga$ &tp,
"#Q"gC.K sizeof(TOKEN_PRIVILEGES),
ER4#5gd (PTOKEN_PRIVILEGES) NULL,
7EL0!:P p3 (PDWORD) NULL);
X'2%'z< // Call GetLastError to determine whether the function succeeded.
*2YWvGc if (GetLastError() != ERROR_SUCCESS)
0zA:?} {
'6T *b printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
5xH*&GpL7 return FALSE;
i2LN`5k }
5iGz*_
m return TRUE;
D{4]c)> }
Y`xAJ#=
,i ////////////////////////////////////////////////////////////////////////////
i}))6 BOOL KillPS(DWORD id)
_e|-O>#pl {
B5;94YIN HANDLE hProcess=NULL,hProcessToken=NULL;
eYv+tjIF BOOL IsKilled=FALSE,bRet=FALSE;
=v{ R(IX% __try
-^rdB6O6j {
JNu+e#.Y dcE(uf if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
`_J>R {
t*c_70|@k printf("\nOpen Current Process Token failed:%d",GetLastError());
;Z,l};b __leave;
MA7&fNjB }
#vPk
XcP //printf("\nOpen Current Process Token ok!");
grJ(z)c if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
w&&)v~Y_ {
.O{_^~w_q __leave;
@DAaCF8 }
.e5rKkkT printf("\nSetPrivilege ok!");
;$4:
&T QCfR2Nn} if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
i \ .&8 {
^4{{ +G)j printf("\nOpen Process %d failed:%d",id,GetLastError());
5ai$W`6 __leave;
tZr_{F@ }
W9A F} //printf("\nOpen Process %d ok!",id);
G[P<!6Id!p if(!TerminateProcess(hProcess,1))
1L3 $h0i {
]v$ 2JgF]@ printf("\nTerminateProcess failed:%d",GetLastError());
#Jfmt~ks' __leave;
A5G@u}YS5 }
)/bv@Am IsKilled=TRUE;
Ek '%%% }
\6/!{D, __finally
4HGR-S/ {
,Fu[o6x<^ if(hProcessToken!=NULL) CloseHandle(hProcessToken);
w4UJXc if(hProcess!=NULL) CloseHandle(hProcess);
!nF.whq }
pq]>Ep return(IsKilled);
m2F+6G }
2o0WS~}5 //////////////////////////////////////////////////////////////////////////////////////////////
SFqq(K2u 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:
!@
)JqF. /*********************************************************************************************
2W)KfS ModulesKill.c
h<BTu7a`r Create:2001/4/28
-TyBb] Modify:2001/6/23
hWr}Uui Author:ey4s
m;u :_4 Http://www.ey4s.org s 8lfW6
PsKill ==>Local and Remote process killer for windows 2k
/8lmNA **************************************************************************/
`>k7^!Ds #include "ps.h"
P0-K/_g #define EXE "killsrv.exe"
@8SA^u0 #define ServiceName "PSKILL"
F=;nWQ& kyD*b3MN #pragma comment(lib,"mpr.lib")
,Aq |IH3j //////////////////////////////////////////////////////////////////////////
Qgl5Jr. //定义全局变量
I"WmDC`1 SERVICE_STATUS ssStatus;
kM(,8j SC_HANDLE hSCManager=NULL,hSCService=NULL;
Kr%O}<" BOOL bKilled=FALSE;
-qB{TA-.\ char szTarget[52]=;
W)u9VbPk[ //////////////////////////////////////////////////////////////////////////
} DkdF BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
fvoPV&: BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
WAGU|t#." BOOL WaitServiceStop();//等待服务停止函数
ET~^P BOOL RemoveService();//删除服务函数
E, |OMK# /////////////////////////////////////////////////////////////////////////
F^7qr int main(DWORD dwArgc,LPTSTR *lpszArgv)
K`kWfPwp {
.wcKG9u BOOL bRet=FALSE,bFile=FALSE;
q>VvXUyK, char tmp[52]=,RemoteFilePath[128]=,
)`<7qT_BM szUser[52]=,szPass[52]=;
L!:;H, HANDLE hFile=NULL;
,Z[pLF DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
}[ByN). p+:MZP -%( //杀本地进程
`q?@ Ob& if(dwArgc==2)
sq}uq![?M {
]hY4
MS if(KillPS(atoi(lpszArgv[1])))
WNiM&iU printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
bbFzmS1 else
j`k:) printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
3}i(i0+ lpszArgv[1],GetLastError());
j 4eq.{$ return 0;
\l/<[ZZ }
+Pb@@C& //用户输入错误
l gTw>r else if(dwArgc!=5)
n`|CDKb {
Kl*/{&,P printf("\nPSKILL ==>Local and Remote Process Killer"
WVh]<?GWXk "\nPower by ey4s"
7iH%1f "\nhttp://www.ey4s.org 2001/6/23"
gnZc`)z "\n\nUsage:%s <==Killed Local Process"
#80r?,q "\n %s <==Killed Remote Process\n",
A{\!nq_~N lpszArgv[0],lpszArgv[0]);
||rZ+<
return 1;
eu?DSad }
s"0Hz"[^= //杀远程机器进程
r?=3TAA strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
nb U?:=P strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
>2LlBLQ strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
Trml?zexD :&$WWv //将在目标机器上创建的exe文件的路径
)<^G]ajn sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
wL"
2Cm __try
>Gr,!yP {
RVa{% //与目标建立IPC连接
S(hT3MAW if(!ConnIPC(szTarget,szUser,szPass))
O|0} m {
Xa&0j&AH printf("\nConnect to %s failed:%d",szTarget,GetLastError());
604^~6 return 1;
C)+%9Edg }
!R1OSVFp printf("\nConnect to %s success!",szTarget);
ddvtBAX //在目标机器上创建exe文件
rJc=&'{&)N ?YhGW
hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
hbTJXP~~? E,
fBct%M 3 NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
_l&.<nz if(hFile==INVALID_HANDLE_VALUE)
*vIC9./ {
z]=jer printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
D?
FWSv __leave;
uE,j$d }
"o$)z'q //写文件内容
k3r<']S^ while(dwSize>dwIndex)
(:ij'Zbz {
}1Km h] c$R<j'7 if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
[knwp$ {
U#F(%b-LC printf("\nWrite file %s
e><