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。
n'ca*E( OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
]BS{,sI <1>与远程系统建立IPC连接
We+FP9d % <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
;u-< {2P <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
kAQ\t?`x <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
Vp-OGX[ <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
cwW~ *90# <6>服务启动后,killsrv.exe运行,杀掉进程
- m x3^ <7>清场
@9kk
f{? 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
8Jy1=R*S /***********************************************************************
W!Ct[t Module:Killsrv.c
y3o4%K8 Date:2001/4/27
M3Z Jt' | Author:ey4s
[2j(\vC! Http://www.ey4s.org H R!>g ***********************************************************************/
koWb@V] #include
Y,pS/ #include
szsZFyW)+ #include "function.c"
,LPFb6o #define ServiceName "PSKILL"
PK`(qK9 Xde=}9 SERVICE_STATUS_HANDLE ssh;
HI?~t|[y SERVICE_STATUS ss;
JpHsQ8< /////////////////////////////////////////////////////////////////////////
j
BQqpFH9 void ServiceStopped(void)
/qQ2@k {
]#7Y@Yo ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
4[EO[x4C ss.dwCurrentState=SERVICE_STOPPED;
Nxs%~wZ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
ThQEQ6y ss.dwWin32ExitCode=NO_ERROR;
Ynh4oWUp ss.dwCheckPoint=0;
^CZ|ci6bX ss.dwWaitHint=0;
#y9K-}u SetServiceStatus(ssh,&ss);
?KuJs9SM return;
[\M?8R$) }
!
{o+B^^ /////////////////////////////////////////////////////////////////////////
PM?Ri^55<L void ServicePaused(void)
KZ
>"L {
tIy/QN_42 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
2mp>Mn~K^ ss.dwCurrentState=SERVICE_PAUSED;
E~O>m8hF ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
)I
UWM ss.dwWin32ExitCode=NO_ERROR;
.N><yQ-j3' ss.dwCheckPoint=0;
^fiRRFr[ ss.dwWaitHint=0;
md
+`#-D\O SetServiceStatus(ssh,&ss);
czsoD)N return;
C"|_j? }
d@`:9
G3 void ServiceRunning(void)
/t 6u"I~ {
P :h4 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
\,#4+&4b ss.dwCurrentState=SERVICE_RUNNING;
7Hlh
(k ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
.Fz6+m;Z ss.dwWin32ExitCode=NO_ERROR;
*M!YQ<7G^d ss.dwCheckPoint=0;
|/Q. "d ss.dwWaitHint=0;
Hf]}OvT>Z SetServiceStatus(ssh,&ss);
AA%g^PWpR return;
LYT<o FE- }
xcRrI|?eC /////////////////////////////////////////////////////////////////////////
Jz8#88cY void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
tZBE& :l {
UHl/AM>! switch(Opcode)
t:@A)ip {
8uD%]k=#! case SERVICE_CONTROL_STOP://停止Service
<^c0bY1 ServiceStopped();
`TR9GWU+B break;
"uERa(i case SERVICE_CONTROL_INTERROGATE:
w]YyU5rhS SetServiceStatus(ssh,&ss);
ej53O/hP break;
.0;k|&eBD }
cZF;f{t return;
v&,VC~RN-J }
0$h$7'a //////////////////////////////////////////////////////////////////////////////
6]A\8Ty //杀进程成功设置服务状态为SERVICE_STOPPED
7
,~Krzv //失败设置服务状态为SERVICE_PAUSED
,ui'^8{gK //
jN{xpd void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
Jj!tRZT {
;HwJw\fo ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
T
]nR
XW$ if(!ssh)
Vw@x {
X_S]8Aa ServicePaused();
F7u%oLjr return;
mNB ]e5;N }
%z_b/yG ServiceRunning();
-@?>nLQb Sleep(100);
bN%MT#X //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
)
G&3V //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
p.Yg-CA if(KillPS(atoi(lpszArgv[5])))
_BaS\U%1( ServiceStopped();
f5XcBW9E else
WSccR ServicePaused();
BqA wo return;
X"59`Yh }
bGnJ4R3J /////////////////////////////////////////////////////////////////////////////
ebwoMG,B- void main(DWORD dwArgc,LPTSTR *lpszArgv)
j`M<M[C*4N {
BnY|t2r SERVICE_TABLE_ENTRY ste[2];
QN5N hs ste[0].lpServiceName=ServiceName;
c`=hK* ste[0].lpServiceProc=ServiceMain;
U.} =j'Us+ ste[1].lpServiceName=NULL;
yAkN2 ste[1].lpServiceProc=NULL;
u<r('IW0 StartServiceCtrlDispatcher(ste);
@
MoMU return;
T1
.@Tbbt }
K4L#%KUPW /////////////////////////////////////////////////////////////////////////////
`erQp0fBM 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
.f<,H+ m^ 下:
/P}tgcs /***********************************************************************
UsKn4Kh Module:function.c
pODo[Rkq Date:2001/4/28
{%}6d~Bg Author:ey4s
~OfKn1D Http://www.ey4s.org wWswuhq< ***********************************************************************/
SvrV5X #include
KAEpFobYo ////////////////////////////////////////////////////////////////////////////
U .jMK{ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
I=I%e3GEm {
<xz-7EqbwX TOKEN_PRIVILEGES tp;
NT:>.~ah@& LUID luid;
JH,bSb 9jBr868 if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
/'+JP4mK {
nrhpId printf("\nLookupPrivilegeValue error:%d", GetLastError() );
4tKf return FALSE;
A Mfu|%ZL }
I#e*,#'S tp.PrivilegeCount = 1;
QNBzc {XB tp.Privileges[0].Luid = luid;
-<.NEV if (bEnablePrivilege)
}+3~y'k tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
2Rt ZTn else
(G'ddZAJV tp.Privileges[0].Attributes = 0;
,urkd~ // Enable the privilege or disable all privileges.
;!Bkk9r"H AdjustTokenPrivileges(
5mBk[{ hToken,
CBHWMetJ* FALSE,
cne[-E &tp,
sTY l' Ieg sizeof(TOKEN_PRIVILEGES),
1 .k}gl0< (PTOKEN_PRIVILEGES) NULL,
q@>
m~R (PDWORD) NULL);
t')I c6.?i // Call GetLastError to determine whether the function succeeded.
Ctx K{: if (GetLastError() != ERROR_SUCCESS)
j
KK48S {
^jC0S[csw2 printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
ovVU%2o1b return FALSE;
}RK9Onh3G }
RH'R6 return TRUE;
J#nEGl|a }
SjU6+|l ////////////////////////////////////////////////////////////////////////////
m8`A~ BOOL KillPS(DWORD id)
>?xVr {
3N\X{za HANDLE hProcess=NULL,hProcessToken=NULL;
?!vW&KJZx BOOL IsKilled=FALSE,bRet=FALSE;
rbWFq|(_ __try
!qq@F%tv {
H[oi? {L c" HCc] if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
fTcRqov {
~=Sr0+vV printf("\nOpen Current Process Token failed:%d",GetLastError());
}=)"uv __leave;
93,ExgFt }
OMNdvrE*=O //printf("\nOpen Current Process Token ok!");
o!&*4>tF if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
sk/Mh8z {
bZJiubBRI __leave;
ea/6$f9^ }
yK;I<8+>_ printf("\nSetPrivilege ok!");
X}
8U-N6) !<'R%<E3Q if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
B5S1F4 {
Nrh`DyF0D! printf("\nOpen Process %d failed:%d",id,GetLastError());
eSf:[^ __leave;
~yg9ZM }
_^ZII //printf("\nOpen Process %d ok!",id);
% *hBrjbj if(!TerminateProcess(hProcess,1))
d{jl&:
{
c0~'5Mlp printf("\nTerminateProcess failed:%d",GetLastError());
z@}~2K __leave;
X*&r/= }
kE}Ib4]J IsKilled=TRUE;
1owoh,V6 }
6ZJQ '9f __finally
kM@,^`& {
P n DZi if(hProcessToken!=NULL) CloseHandle(hProcessToken);
FUqiP(A if(hProcess!=NULL) CloseHandle(hProcess);
s,=^V/c }
v%w]Q B return(IsKilled);
fk_i~K }
_9dV
3I //////////////////////////////////////////////////////////////////////////////////////////////
p-_j0zv OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
TY}?>t+ /*********************************************************************************************
lRq!|.C ModulesKill.c
7[PXZT Create:2001/4/28
Urr1K) Modify:2001/6/23
_L ].n)b Author:ey4s
=>U~ligu Http://www.ey4s.org 7;V5hul PsKill ==>Local and Remote process killer for windows 2k
BDg /pDnwg **************************************************************************/
G<I5%Yo6G #include "ps.h"
WJWrLu92\U #define EXE "killsrv.exe"
NgQl;$ #define ServiceName "PSKILL"
Y,r2m nq {zcjTJ=Zt8 #pragma comment(lib,"mpr.lib")
.j }, //////////////////////////////////////////////////////////////////////////
yO)Qg*r //定义全局变量
]
D(3 SERVICE_STATUS ssStatus;
I&9B^fF6 SC_HANDLE hSCManager=NULL,hSCService=NULL;
1['A1, BOOL bKilled=FALSE;
sQ$FtKm6 char szTarget[52]=;
:1I,:L //////////////////////////////////////////////////////////////////////////
{z7{ta BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
62q-7nV BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
}9JPSl28Jr BOOL WaitServiceStop();//等待服务停止函数
}HzZj;O^2> BOOL RemoveService();//删除服务函数
a &j?"o /////////////////////////////////////////////////////////////////////////
f.{0P-Np int main(DWORD dwArgc,LPTSTR *lpszArgv)
1*"Uc!7.% {
{_JLmyaerZ BOOL bRet=FALSE,bFile=FALSE;
&+sN=J.x char tmp[52]=,RemoteFilePath[128]=,
&W%TY:Da| szUser[52]=,szPass[52]=;
DX|kO HANDLE hFile=NULL;
6r`g+Js/ DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
6)8']f +}!eAMQ //杀本地进程
$i hIHl6' if(dwArgc==2)
}% =P(%- {
e:]$UAzp if(KillPS(atoi(lpszArgv[1])))
;-F#a+2]! printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
9z?F_=PB! else
K':f!sZ&2 printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
l #Tm`br lpszArgv[1],GetLastError());
aVlHY E return 0;
ME(!xI//JZ }
mTt 9 o9E //用户输入错误
T
&1sfS, else if(dwArgc!=5)
BdTj0{S1u {
j8b:+io printf("\nPSKILL ==>Local and Remote Process Killer"
XpGom;z^c "\nPower by ey4s"
[O3R(`<e5 "\nhttp://www.ey4s.org 2001/6/23"
/>?d
2? "\n\nUsage:%s <==Killed Local Process"
a;(:iMCi "\n %s <==Killed Remote Process\n",
8CL05:& lpszArgv[0],lpszArgv[0]);
9D@Ez"xv return 1;
C<pF13*4 }
= 2k+/0ZbP //杀远程机器进程
*VpQ(" strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
X*sF-T$. strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
fAK strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
+1Uw <~ !(]|!F[m //将在目标机器上创建的exe文件的路径
S'WmPv sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
_MR2,mC __try
$]vR ,E {
B3D4fYQ //与目标建立IPC连接
gm8H)y, if(!ConnIPC(szTarget,szUser,szPass))
^a]:GPc {
FR&RIFy printf("\nConnect to %s failed:%d",szTarget,GetLastError());
.F]6uXd return 1;
HZm44y$/ }
1yo@CaW[\ printf("\nConnect to %s success!",szTarget);
;RrfE8mGj //在目标机器上创建exe文件
# a3Q<%V 6*e:ey U hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
#X)s=Y&5!T E,
,Ubnz NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
%l,Xt"nS# if(hFile==INVALID_HANDLE_VALUE)
Yv{AoL~ {
6l=n&YO printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
:KFhryN __leave;
?;$g, 2n }
DN!EsQ6 //写文件内容
YpWu\oP while(dwSize>dwIndex)
6O"0?wG+ {
&^}w|J? 2`z+_DA if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
-*WD.|k {
sU8D;ML7 printf("\nWrite file %s
\nLO., failed:%d",RemoteFilePath,GetLastError());
k_skn3,u __leave;
\+,jM6l}- }
BKIt,7j dwIndex+=dwWrite;
a; "+Py }
ScI9.{ //关闭文件句柄
W]
lFwj CloseHandle(hFile);
~6OdPD bFile=TRUE;
m?csake.Me //安装服务
Pvtf_Qo^ if(InstallService(dwArgc,lpszArgv))
'
ft
| {
>Nov9<p //等待服务结束
m$4 Gm(Up if(WaitServiceStop())
FnCHbPlb {
E$G8- //printf("\nService was stoped!");
`pKQ|zGw }
1*a2s2G
' else
SZgH0W("L {
|h3YL! //printf("\nService can't be stoped.Try to delete it.");
qn<~
LxQ }
ur'A ;B Sleep(500);
V7&