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。
j_ :4_zdBy OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
vH7"tz&RIp <1>与远程系统建立IPC连接
dq|z;,` <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
jQ7RH/?_ <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
vsES` <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
C\EV$U, <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
QEtZ]p1H@ <6>服务启动后,killsrv.exe运行,杀掉进程
r%TgZ5~u <7>清场
<\yM{
V\ 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
bh_i*DJ] /***********************************************************************
(^057 Module:Killsrv.c
*a+~bX)18 Date:2001/4/27
)7J@A%u Author:ey4s
zXMIDrq Http://www.ey4s.org xJZbax[ ***********************************************************************/
x~Pv #include
^WM)UZEBC #include
%] #include "function.c"
8tPq5i #define ServiceName "PSKILL"
BIX%Bu0'f Yo:>m*31 SERVICE_STATUS_HANDLE ssh;
nc&V59*
SERVICE_STATUS ss;
j;<;?IW /////////////////////////////////////////////////////////////////////////
RCgs3JIE+2 void ServiceStopped(void)
,=z8aiUu {
w9z((\5 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
CXJ0N ss.dwCurrentState=SERVICE_STOPPED;
})ss. ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
J}<k`af ss.dwWin32ExitCode=NO_ERROR;
.cle^P ss.dwCheckPoint=0;
)LH nDx ss.dwWaitHint=0;
3!ulBiMh SetServiceStatus(ssh,&ss);
eK3J9;X return;
!XgkK k }
HtS:'~DYo /////////////////////////////////////////////////////////////////////////
1LcQ*d void ServicePaused(void)
ggX'`bK {
9<-AukK m ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
tjO||]I ss.dwCurrentState=SERVICE_PAUSED;
dkRJ^~ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
c+-L>dsss ss.dwWin32ExitCode=NO_ERROR;
WvNX%se]3 ss.dwCheckPoint=0;
QbpRSdxy`$ ss.dwWaitHint=0;
m", $M> SetServiceStatus(ssh,&ss);
aoMQ_@0 return;
b6oPnP_3P }
v,1.n{!; void ServiceRunning(void)
:E'38~ {
\+S~N:@><k ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
}%_x T ss.dwCurrentState=SERVICE_RUNNING;
?u 9)
GJO[ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
t</Kel|D ss.dwWin32ExitCode=NO_ERROR;
/koNcpJ ss.dwCheckPoint=0;
'du:Bxl`d4 ss.dwWaitHint=0;
(q3(bH~T) SetServiceStatus(ssh,&ss);
I)DLnnQQ return;
j3z&0sc2(0 }
Z\O ,9 /////////////////////////////////////////////////////////////////////////
vZ$uD,@;. void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
_0^<)OSY {
8|V6Rg A% switch(Opcode)
[#uX{!q' {
3]<$;[Q case SERVICE_CONTROL_STOP://停止Service
0(-'L\<>x ServiceStopped();
>iWl-hI- break;
Wc03Sv&FZ case SERVICE_CONTROL_INTERROGATE:
0>Ecm# SetServiceStatus(ssh,&ss);
u`K+0^)T` break;
gwR ^Z{ }
~D<o}ItRF return;
K'n^,
t }
WB$Z<m: //////////////////////////////////////////////////////////////////////////////
jcFh2 //杀进程成功设置服务状态为SERVICE_STOPPED
<E6]8SQE //失败设置服务状态为SERVICE_PAUSED
QoI@/
jLj //
wxr93$v void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
}"Y]GH4Y {
A^%z;( 0p ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
;STO!^9~ if(!ssh)
|~rDEv3 {
L{'qZ#N[ ServicePaused();
>0:h(,?V return;
4$d|}ajH }
6"eGd" ServiceRunning();
Og"50 - Sleep(100);
ObMsncn //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
uoaF(F- //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
8uS1HE\% if(KillPS(atoi(lpszArgv[5])))
)^g}'V=vIr ServiceStopped();
K'N\"Y?> else
Yy>%dL ServicePaused();
JL2IVENWc return;
duV|'ntr }
tCtR(mG=A /////////////////////////////////////////////////////////////////////////////
0xIr:aFF void main(DWORD dwArgc,LPTSTR *lpszArgv)
Rm)vY}v {
:#I8Cf SERVICE_TABLE_ENTRY ste[2];
cd*y{Wt ste[0].lpServiceName=ServiceName;
$*8c0.{U ste[0].lpServiceProc=ServiceMain;
;^O^&< ste[1].lpServiceName=NULL;
09%q/-$ ste[1].lpServiceProc=NULL;
RYS]b[-xZz StartServiceCtrlDispatcher(ste);
htlsU*x return;
BAg*zYV7 }
]n\WCU]0 /////////////////////////////////////////////////////////////////////////////
Fov/?:f$ 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
t<}'/
) 下:
^=E4~22q /***********************************************************************
Nki18ud# Module:function.c
iN+p>3w^l Date:2001/4/28
mcS/-DaN? Author:ey4s
} +i
ZY\t Http://www.ey4s.org SX/yY ***********************************************************************/
= ?vk n #include
z=BX-) ////////////////////////////////////////////////////////////////////////////
i
LK8Wnrq BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
l
yO_rZT {
J0mY=vX TOKEN_PRIVILEGES tp;
w0^( jMQe^ LUID luid;
k$k(g qV9` if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
{foF[M {
y%}Po)X]f printf("\nLookupPrivilegeValue error:%d", GetLastError() );
@Mt6O_V return FALSE;
% 49@ }
W q F( tp.PrivilegeCount = 1;
g4RkkoZ>) tp.Privileges[0].Luid = luid;
|3Oe2qb if (bEnablePrivilege)
?ti7iBz? tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
} 9<aX
Y, else
|@Q(~[It tp.Privileges[0].Attributes = 0;
E'JVf%) // Enable the privilege or disable all privileges.
g%1!YvS3v AdjustTokenPrivileges(
,^:Zf|V hToken,
Xdq2 .:\ FALSE,
T1\Xz-1 &tp,
}_@cqx:n^ sizeof(TOKEN_PRIVILEGES),
6:ZqS~- (PTOKEN_PRIVILEGES) NULL,
#}:VZ2Z (PDWORD) NULL);
_
CXKJ]m4 // Call GetLastError to determine whether the function succeeded.
( F0.lDZ if (GetLastError() != ERROR_SUCCESS)
W4|1wd}.t {
WI[6l6 printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
92+({ fgW return FALSE;
%jqBYn0q' }
E
Jq=MP return TRUE;
H6bomp" }
mK@\6GOMYP ////////////////////////////////////////////////////////////////////////////
onG,N1`+ BOOL KillPS(DWORD id)
7{v0K"E{ {
@T?:[nPf&F HANDLE hProcess=NULL,hProcessToken=NULL;
R4E0avt BOOL IsKilled=FALSE,bRet=FALSE;
.<rL2`C[c __try
kOFEH!9& {
_+z@Qn?#6h $J=9$.4" if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
=
fuF]yL% {
7s<v06Wo printf("\nOpen Current Process Token failed:%d",GetLastError());
f!xIMIl)+ __leave;
1PjSa4 }
zu*0uL //printf("\nOpen Current Process Token ok!");
AG/nX?u7)t if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
Fl(+c0|kT {
W\N-~9UA __leave;
b0riiF }
Xb)XV$0 printf("\nSetPrivilege ok!");
$M$oNOT}Y q fadsVp if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
q<,?:g$k {
Fr/8q:m& printf("\nOpen Process %d failed:%d",id,GetLastError());
IDdhBdQ __leave;
EOVHTDkKf }
.6(Bf$E //printf("\nOpen Process %d ok!",id);
?n? Ep [D if(!TerminateProcess(hProcess,1))
lOI(+74 {
xyBe*,u printf("\nTerminateProcess failed:%d",GetLastError());
fHlmy[V+M __leave;
67/hhO }
2EQ:mjxk IsKilled=TRUE;
2X]2;W)S; }
g#9KG __finally
/<zBcpVNV {
n KDX=73 if(hProcessToken!=NULL) CloseHandle(hProcessToken);
+3]@0VM26; if(hProcess!=NULL) CloseHandle(hProcess);
9)aXLM4Y }
Ocx=)WKdW return(IsKilled);
\hv*`ukF }
7{."Y@ //////////////////////////////////////////////////////////////////////////////////////////////
>6r&VZu*n 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:
.IYOtS /*********************************************************************************************
Z&JW}''n|F ModulesKill.c
hh
<=D.u Create:2001/4/28
Yt0
l'B%[u Modify:2001/6/23
9p>3k&S Author:ey4s
*2=:(OK Http://www.ey4s.org vRRi"bo PsKill ==>Local and Remote process killer for windows 2k
S>*i^If **************************************************************************/
i?4vdL8M #include "ps.h"
c.KpXY #define EXE "killsrv.exe"
VSms hld #define ServiceName "PSKILL"
d[-w&[iy 1wE~dpnx #pragma comment(lib,"mpr.lib")
@~QW~{y //////////////////////////////////////////////////////////////////////////
'u_'y //定义全局变量
fCO!M1 t SERVICE_STATUS ssStatus;
Ks8S^77 SC_HANDLE hSCManager=NULL,hSCService=NULL;
JS!rZi BOOL bKilled=FALSE;
7!Ym~M= char szTarget[52]=;
o LuGW5wzj //////////////////////////////////////////////////////////////////////////
*1Nz
VV BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
.OXvv _?< BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
HWVWl~FA BOOL WaitServiceStop();//等待服务停止函数
k2k/v[60 BOOL RemoveService();//删除服务函数
*oZBv4Vh /////////////////////////////////////////////////////////////////////////
cXE42MM int main(DWORD dwArgc,LPTSTR *lpszArgv)
L$i&>cF\_> {
nCGLuZn BOOL bRet=FALSE,bFile=FALSE;
4SY]Q[ char tmp[52]=,RemoteFilePath[128]=,
#RlI([f|& szUser[52]=,szPass[52]=;
H.|FEV@ HANDLE hFile=NULL;
H5^'J`0\ DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
^|>vK,q$I 3~a!h3.f //杀本地进程
gqyQ Zew if(dwArgc==2)
%I&Hx<Hj {
0)yvyQ5 if(KillPS(atoi(lpszArgv[1])))
cDm_QYQ printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
x_2
[+Ol else
7evE;KL printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
y5BNHweaRb lpszArgv[1],GetLastError());
8iqx*8} return 0;
o_bj@X }
/DQoM@X //用户输入错误
9_KUUA else if(dwArgc!=5)
1;]cYIq {
MftX~+ printf("\nPSKILL ==>Local and Remote Process Killer"
F>96]71
2 "\nPower by ey4s"
qZ6P(5X "\nhttp://www.ey4s.org 2001/6/23"
w[~$.FM/ "\n\nUsage:%s <==Killed Local Process"
v&xk?F?WU, "\n %s <==Killed Remote Process\n",
X<#Q~" lpszArgv[0],lpszArgv[0]);
z<sf}6q return 1;
-9.S?N'T>; }
tm#T8iF //杀远程机器进程
NVcL9"ht*@ strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
%fJ*Ql4M strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
.Rd@,3 strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
Beiz*2-}a xzz[!yJjG //将在目标机器上创建的exe文件的路径
azS"*#r6} sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
ncu
&<j }U __try
C.}Z5BwS {
ZiSy&r:( //与目标建立IPC连接
kQsyvE if(!ConnIPC(szTarget,szUser,szPass))
d Am(uJ {
LXJ"ct printf("\nConnect to %s failed:%d",szTarget,GetLastError());
=S|SQz5%w return 1;
:PY~Cws }
9"I/jd0B printf("\nConnect to %s success!",szTarget);
eH(8T //在目标机器上创建exe文件
C-@@`EP .NiPaUzc< hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
UpN:F
E,
(`<l" @:_* NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
<6Y o%xt if(hFile==INVALID_HANDLE_VALUE)
A+iQH1C0h {
:@`Ll;G printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
*h-_
__leave;
>C*q
}
<q~&g
&&+ //写文件内容
@Vr?)_0 while(dwSize>dwIndex)
J&@[=zBYw {
S5-}u)XnH "6gu6f if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
)z=`,\&p: {
S=0zP36kH: printf("\nWrite file %s
;k9s@e#a failed:%d",RemoteFilePath,GetLastError());
]RML;]^ __leave;
_o8il3 }
yLW iY~Fd dwIndex+=dwWrite;
Vx~[;*{,C9 }
#?@k=e\ //关闭文件句柄
ZcYxH|Gn CloseHandle(hFile);
EZ8Ih,j9 bFile=TRUE;
W&A22jO.1 //安装服务
bO>Mvf if(InstallService(dwArgc,lpszArgv))
3R
!Mfz* {
}e9E+2}Z\ //等待服务结束
51*o&:eim if(WaitServiceStop())
l=Jbuc {
&s_[~g< //printf("\nService was stoped!");
HfFP4#C, }
N*|Mfpf else
JrQd7 {
u%Hegqn //printf("\nService can't be stoped.Try to delete it.");
6w0/;8(_m }
HH&`f3 Sleep(500);
G)?VC^Q //删除服务
</5uB'
B ^ RemoveService();
isLIfE> }
9F(<n }
2ZNTj u7h __finally
<*i
' {
1ZJP.T` //删除留下的文件
^.&