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{.z OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
HvzXAd <1>与远程系统建立IPC连接
BnUWg ^E <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
W!t =9i <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
ble[@VW| <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
#Ic)]0L <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
y7~y@ 2 <6>服务启动后,killsrv.exe运行,杀掉进程
o&ETs)n| <7>清场
+^|_vq^XR 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
Lv
UQ&NmY /***********************************************************************
IRyZ0$r:e\ Module:Killsrv.c
%8{nuq+c Date:2001/4/27
wl7 (|\- Author:ey4s
ApNS0 Http://www.ey4s.org 3t9Weo) ***********************************************************************/
<\ EJ: #include
!
G3Gr #include
{;vLM*
' #include "function.c"
03H0(ku= #define ServiceName "PSKILL"
y4)iL?!J~ M>[e1y>7 SERVICE_STATUS_HANDLE ssh;
z"P/Geb:O SERVICE_STATUS ss;
`3yK<- /////////////////////////////////////////////////////////////////////////
dVe,;?+A void ServiceStopped(void)
je85G`{DC {
"fu:hHq ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
* o{7 a$V ss.dwCurrentState=SERVICE_STOPPED;
/]oQqZHv ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
O',Vce$ ss.dwWin32ExitCode=NO_ERROR;
LyH1tF ss.dwCheckPoint=0;
!|Wf
mU ss.dwWaitHint=0;
%2y5a`b SetServiceStatus(ssh,&ss);
KX
J7\} return;
2F
:8=_sA }
gCq'#G\Z /////////////////////////////////////////////////////////////////////////
T>68 ,; p void ServicePaused(void)
,&.$r/x|? {
>#VNA^+t ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
LwYWgT\e ss.dwCurrentState=SERVICE_PAUSED;
Z+=M_{`{ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
1Li*n6tLX` ss.dwWin32ExitCode=NO_ERROR;
slzB# ss.dwCheckPoint=0;
y9b%P]i ss.dwWaitHint=0;
<*(^QOM SetServiceStatus(ssh,&ss);
l];/,J^ return;
6n^@Ps }
RdBIbm void ServiceRunning(void)
u4j"U6"]M {
Y>6N2&Q ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
)2a)$qx; ss.dwCurrentState=SERVICE_RUNNING;
]I_*+^?tI ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
aW-6$=W ss.dwWin32ExitCode=NO_ERROR;
:V1j*) ss.dwCheckPoint=0;
tI)|y?q ss.dwWaitHint=0;
_n1[(I SetServiceStatus(ssh,&ss);
'o~gT ;T# return;
(x
fN=Te,- }
``%yVVg}
/////////////////////////////////////////////////////////////////////////
-9::M}^2 void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
k/(]1QnW {
NfUt\ p* switch(Opcode)
,u>[cRqw {
Ec2;?pvd%J case SERVICE_CONTROL_STOP://停止Service
4*&k~0#t ServiceStopped();
Yt?]0i+ break;
V';l H2 case SERVICE_CONTROL_INTERROGATE:
d6W\
\6V SetServiceStatus(ssh,&ss);
P ^ 4 @ break;
C;j&Vbf }
stUUez> return;
&d0sv5&s }
4jt(tZS //////////////////////////////////////////////////////////////////////////////
mRa\ wEg% //杀进程成功设置服务状态为SERVICE_STOPPED
oKb"Ky@s //失败设置服务状态为SERVICE_PAUSED
T+^c=[W //
c]zFZJ6M void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
3{fg3? {
W.NZ%~|+e/ ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
<{GVA0nr if(!ssh)
uFhaN\S {
[dAQrou6P ServicePaused();
QFMAy>Gdn return;
J ZkQ/vp( }
LT"H-fTgs ServiceRunning();
K_@?Q@#YhR Sleep(100);
:AS`1\ C //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
K8R>O *~ //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
-Caj>K if(KillPS(atoi(lpszArgv[5])))
JQ6M,O ServiceStopped();
?xrOhA9 else
7B)1U_L0H ServicePaused();
5VJe6i9; return;
=J4|"z: }
1X&.po /////////////////////////////////////////////////////////////////////////////
BM`6<Z "3q void main(DWORD dwArgc,LPTSTR *lpszArgv)
5dB62dqN {
P#7=h:.522 SERVICE_TABLE_ENTRY ste[2];
*mVg_Kl ste[0].lpServiceName=ServiceName;
MXa^g" ste[0].lpServiceProc=ServiceMain;
s M*ay,v; ste[1].lpServiceName=NULL;
#=={h?UDT ste[1].lpServiceProc=NULL;
9v[V"m`M StartServiceCtrlDispatcher(ste);
N!Rt040.% return;
FF~r&h8H }
MM_:2 ^P) /////////////////////////////////////////////////////////////////////////////
4e Y?#8 function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
'It8h$^j 下:
@0 /qP<E /***********************************************************************
-sfv"? Module:function.c
;}j(x;l>t Date:2001/4/28
w7o`BR Author:ey4s
naW!b&: Http://www.ey4s.org >W;NMcN~ ***********************************************************************/
a5GLbanF #include
#
)y/aA ////////////////////////////////////////////////////////////////////////////
[ r8 ZAS BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
U!`iKy- {
)+hV+rM jp TOKEN_PRIVILEGES tp;
Yu>DgMW LUID luid;
{*AA]z?zo 9&5<ZC-D if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
".tL+A[ {
Ff%V1BH[ printf("\nLookupPrivilegeValue error:%d", GetLastError() );
-X~mW
return FALSE;
Cf3!Ud }
qS2Nk.e]o tp.PrivilegeCount = 1;
Z sTtSM\Ac tp.Privileges[0].Luid = luid;
dw3Hk$"h if (bEnablePrivilege)
z8'1R6nq tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
M{Z
;7n' else
m$kQbPlatN tp.Privileges[0].Attributes = 0;
lOk8VlH<h // Enable the privilege or disable all privileges.
9MYk5q.X: AdjustTokenPrivileges(
=y4dR#R(\ hToken,
b1KtSRLV FALSE,
^w.hI5ua) &tp,
&J*M sizeof(TOKEN_PRIVILEGES),
1XMR7liE (PTOKEN_PRIVILEGES) NULL,
8&)v%TX (PDWORD) NULL);
1(Ta*"(0Ip // Call GetLastError to determine whether the function succeeded.
:t{~Mi=T if (GetLastError() != ERROR_SUCCESS)
]MV8rC[\ {
LWN{ printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
jb-kg</A return FALSE;
67YC;J]n=z }
o^\Pt<~W return TRUE;
0(D^NtB7 }
/v8Q17O?e ////////////////////////////////////////////////////////////////////////////
IB/3=4n^| BOOL KillPS(DWORD id)
*iEtXv {
a+E&{pV HANDLE hProcess=NULL,hProcessToken=NULL;
Ki2!sADd BOOL IsKilled=FALSE,bRet=FALSE;
3 /@z4:p0R __try
-f)fiQ-< {
FT@uZWgQ= _!R$a- if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
15\m.Ix {
^AS\a4`/ printf("\nOpen Current Process Token failed:%d",GetLastError());
:x)H!z
P __leave;
&)%+DUV| }
H<Oo./8+ //printf("\nOpen Current Process Token ok!");
_*fNa!@hY if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
~,b^f{7`! {
t?W}=%M[ __leave;
ViPC Yt`of }
X#lNS+&=' printf("\nSetPrivilege ok!");
P5h|* ?= d9#Vq=H / if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
xzm]v9k& {
0N.h: 21(4 printf("\nOpen Process %d failed:%d",id,GetLastError());
!hBpon __leave;
jO-?t9^ }
@h%V:c //printf("\nOpen Process %d ok!",id);
4VWk/HK-! if(!TerminateProcess(hProcess,1))
LH8jT {
RZm%4_p4s printf("\nTerminateProcess failed:%d",GetLastError());
[@vz0!@s5 __leave;
NQk aW) }
GiV%Hcx IsKilled=TRUE;
zTF{ g+ }
=|S%Rzsk __finally
~#A}=,4> {
<W80A J if(hProcessToken!=NULL) CloseHandle(hProcessToken);
pk/#RUfT+ if(hProcess!=NULL) CloseHandle(hProcess);
H\67Pd(Z6 }
Az`Aa0h]7 return(IsKilled);
c=oDzAzuV\ }
fFjpQ~0 //////////////////////////////////////////////////////////////////////////////////////////////
$;qi-K3j OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
G*fo9eu5$ /*********************************************************************************************
Wwq:\C ModulesKill.c
z)qYW6o% Create:2001/4/28
tS'lJu Modify:2001/6/23
/ (&E Author:ey4s
n/+X3JJ Http://www.ey4s.org /BL:"t@- PsKill ==>Local and Remote process killer for windows 2k
nT6y6F_e **************************************************************************/
,,'jyqD #include "ps.h"
H}^ ' #define EXE "killsrv.exe"
<v_=k],W #define ServiceName "PSKILL"
=ejj@c 8M,*w6P #pragma comment(lib,"mpr.lib")
eqo0{e //////////////////////////////////////////////////////////////////////////
!eLj +0 //定义全局变量
;c(a)_1 SERVICE_STATUS ssStatus;
|*&l?S SC_HANDLE hSCManager=NULL,hSCService=NULL;
9y7N}T6 BOOL bKilled=FALSE;
J D\tt- char szTarget[52]=;
tE7jTe //////////////////////////////////////////////////////////////////////////
m&UP@hUV- BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
z M9#1^X BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
=)[m[@,c BOOL WaitServiceStop();//等待服务停止函数
=q4}( BOOL RemoveService();//删除服务函数
rFRcK>X\L /////////////////////////////////////////////////////////////////////////
I"07x'Ahq3 int main(DWORD dwArgc,LPTSTR *lpszArgv)
^\\3bW9}H {
(#Y~z',I BOOL bRet=FALSE,bFile=FALSE;
Da=EAG-{7 char tmp[52]=,RemoteFilePath[128]=,
Mt[yY|Ec| szUser[52]=,szPass[52]=;
QU"WpkO HANDLE hFile=NULL;
-+#%]P8l DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
f%Q{}fC{* aF{_"X2 //杀本地进程
9wgB JJl7 if(dwArgc==2)
e~o!Qm {
\Pg~j\;F] if(KillPS(atoi(lpszArgv[1])))
3nq?Y8yac printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
+)Z]<O else
fE#(M +(< printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
')X(P> lpszArgv[1],GetLastError());
DXFu9RE\{ return 0;
51#*8u+L }
$
V^gFes //用户输入错误
SK<Rk else if(dwArgc!=5)
z:Ml;y {
bz4Gzp'6k printf("\nPSKILL ==>Local and Remote Process Killer"
Hq3|>OqC2Q "\nPower by ey4s"
K$CC ~,D "\nhttp://www.ey4s.org 2001/6/23"
zC?'Qiuh* "\n\nUsage:%s <==Killed Local Process"
@,vmX
z "\n %s <==Killed Remote Process\n",
DD|0?i lpszArgv[0],lpszArgv[0]);
/sE,2X*BT return 1;
:cT)M(o }
=
tv70d' //杀远程机器进程
4"d,=P.{ strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
7=G2sOC strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
S$6|KY u strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
ewZ?+G+m 2w?q7N% //将在目标机器上创建的exe文件的路径
44]s`QyG sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
o<`vh*U@,4 __try
C"hN2Z!CD| {
@KN+)q P //与目标建立IPC连接
#lYyL`B+~ if(!ConnIPC(szTarget,szUser,szPass))
P*|N)S)X% {
q!Du
J printf("\nConnect to %s failed:%d",szTarget,GetLastError());
A~zn; return 1;
cG|fau<G }
U( YAI%O printf("\nConnect to %s success!",szTarget);
+&GV-z~o //在目标机器上创建exe文件
#NS|9jW 6x+ujUBkK hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
i_Kwxn$ E,
iSW2I~PD NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
d
t/AAk6 if(hFile==INVALID_HANDLE_VALUE)
0YH5B5b {
=7Ln&tZ printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
}0'=}BE __leave;
xQoZ[ }
u?osX;'w //写文件内容
L\:|95Yq while(dwSize>dwIndex)
VUb>{&F[ {
q6zVu( 7CIN!vrC|1 if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
xL}i9ozZ {
w^yb`\$ printf("\nWrite file %s
l45/$G7 failed:%d",RemoteFilePath,GetLastError());
LUOjaX __leave;
JGs:RD' }
j-<]OOD dwIndex+=dwWrite;
j3j?2#vR }
]l,BUf-O //关闭文件句柄
vygzL U^ CloseHandle(hFile);
' \JE># bFile=TRUE;
GO"`{|o //安装服务
L9GLjRp- if(InstallService(dwArgc,lpszArgv))
N5Js.j>z {
_&gi4)q //等待服务结束
z7K{ ,y if(WaitServiceStop())
Q$%apL {
(q)}`1d' //printf("\nService was stoped!");
7]=&Q4e4 }
6h 0qtXn- else
_`$Q6!Z)l {
?&B8:<qy;L //printf("\nService can't be stoped.Try to delete it.");
6'qkD<