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。
Y_ne?/sZE OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
O4oN) <1>与远程系统建立IPC连接
'R+^+urq^ <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
VpHwc!APq <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
DGCvH)Q <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
((`{-y\K <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
lrKT?siB <6>服务启动后,killsrv.exe运行,杀掉进程
;0oL*d[1Z <7>清场
9ETdO,L)f 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
X{Vs /***********************************************************************
9H4"=!AAgD Module:Killsrv.c
'h6G"=+ Date:2001/4/27
O^-QqCZE Author:ey4s
gTTKjlI[ Http://www.ey4s.org :'ZR!w ***********************************************************************/
3-:^mRPJ #include
t/O^7)% #include
lN5PKsGl #include "function.c"
kDmuj>D #define ServiceName "PSKILL"
M=;csazN H'YK j' SERVICE_STATUS_HANDLE ssh;
Zh;}Q(w SERVICE_STATUS ss;
t6KKfb /////////////////////////////////////////////////////////////////////////
D60quEe3% void ServiceStopped(void)
Eb9h9sjv {
i{$P.i/& ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
H9TeMY ss.dwCurrentState=SERVICE_STOPPED;
",gVo\^ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
fmv:vs /9 ss.dwWin32ExitCode=NO_ERROR;
]$s)6)kW ss.dwCheckPoint=0;
V*te8HIe ss.dwWaitHint=0;
)#\3c,<Y SetServiceStatus(ssh,&ss);
r-EIoZ"P return;
Y)]VlV!` }
C/N;4 /////////////////////////////////////////////////////////////////////////
=GP L>a& void ServicePaused(void)
k CGb~+ {
ATc!c + ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
uQ[,^Ee&/ ss.dwCurrentState=SERVICE_PAUSED;
420K6[ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
vD9.X}l] ss.dwWin32ExitCode=NO_ERROR;
'J&R=MD ss.dwCheckPoint=0;
jA:'P~`Hj ss.dwWaitHint=0;
|?0MRX0'g SetServiceStatus(ssh,&ss);
;7qzQ{Km return;
6vNn;-gg. }
%4x0^<k~ void ServiceRunning(void)
%{r3"Q=;W {
DUu:et&c1 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
C,>n ss.dwCurrentState=SERVICE_RUNNING;
8NNh8k#6 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
D}!YF~ ss.dwWin32ExitCode=NO_ERROR;
DQ= { ss.dwCheckPoint=0;
pwHe&7e# ss.dwWaitHint=0;
4>L*7i SetServiceStatus(ssh,&ss);
#M w70@6 return;
x{w|Hy }
) aMiT /////////////////////////////////////////////////////////////////////////
Fng void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
-WyB2$!( {
Y+23 jlgb switch(Opcode)
$RI$VyAjD {
_ti^i\8~ case SERVICE_CONTROL_STOP://停止Service
X}3?k<m ServiceStopped();
v:74iB$i/C break;
RLQ*&[A} case SERVICE_CONTROL_INTERROGATE:
s1W n.OGR4 SetServiceStatus(ssh,&ss);
6 A]a@,PC break;
3*%+NQIj }
RfvvX$ return;
#X*);cn }
Px?"5g#+ //////////////////////////////////////////////////////////////////////////////
1nvT={'R //杀进程成功设置服务状态为SERVICE_STOPPED
[Pp#r&4H //失败设置服务状态为SERVICE_PAUSED
*!`&+w //
X{!,j} void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
R'B_YKHBY {
J7{D6@yLS ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
o+}1M if(!ssh)
X~o;jJC {
'NjeF6 ServicePaused();
&DYC3*)Jih return;
'*`n"cC: }
.,S`VNU ServiceRunning();
k-^^Ao*@ Sleep(100);
16I[z+RG //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
9&^5!R8 //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
yCkc3s|DA; if(KillPS(atoi(lpszArgv[5])))
-9+$z|K ServiceStopped();
a $'U?% else
p8.JJt^ ServicePaused();
a|t{1]^w` return;
N|)e {|k }
N&k\X]U /////////////////////////////////////////////////////////////////////////////
n'pJl void main(DWORD dwArgc,LPTSTR *lpszArgv)
ON!Fk:- {
@ kv~2m SERVICE_TABLE_ENTRY ste[2];
INk|NEX ste[0].lpServiceName=ServiceName;
o%lxEd r ste[0].lpServiceProc=ServiceMain;
h'G ste[1].lpServiceName=NULL;
wt@TR~a ste[1].lpServiceProc=NULL;
IR2Qc6+{ StartServiceCtrlDispatcher(ste);
@0H0!9' return;
@m`H~]AU }
6f#Mi+" /////////////////////////////////////////////////////////////////////////////
MoiRAO function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
+Gy9K 下:
c(8>oeKyD /***********************************************************************
k:j?8o3 Module:function.c
`]19}GK~xo Date:2001/4/28
M!gu`@@}F Author:ey4s
CUC]-]8 Http://www.ey4s.org #]Do_Z ***********************************************************************/
;cL+=! #include
nHXPEbq-g ////////////////////////////////////////////////////////////////////////////
/:\27n BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
dKDCJt]t
{
W>{&"
5 TOKEN_PRIVILEGES tp;
>N`,
3;Z LUID luid;
0%\fm W j }4c$_ if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
0?I {
~tW<]l7 printf("\nLookupPrivilegeValue error:%d", GetLastError() );
3_
E}XQd return FALSE;
Z5wQhhH }
~pI`_3 tp.PrivilegeCount = 1;
wLO"[, tp.Privileges[0].Luid = luid;
D"fjk1 if (bEnablePrivilege)
k{Y\YG%b
tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
$OGMw+$C^ else
w*@9:+ tp.Privileges[0].Attributes = 0;
I~"l9Jc!" // Enable the privilege or disable all privileges.
?6N\AM' AdjustTokenPrivileges(
91a);d hToken,
f<<$!]\ FALSE,
p ~+sk1[. &tp,
l%
%c U" sizeof(TOKEN_PRIVILEGES),
7:$dl# (PTOKEN_PRIVILEGES) NULL,
4RQ38%> >j (PDWORD) NULL);
3|3ad' // Call GetLastError to determine whether the function succeeded.
B<@a&QBTg if (GetLastError() != ERROR_SUCCESS)
MScUrW!TA {
v=uQ8_0~N printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
X^m@*,[s return FALSE;
V0#E7u`4 }
L5&,sJz return TRUE;
FO]f 4@
}
chuJj
IY ////////////////////////////////////////////////////////////////////////////
n*|8(fD BOOL KillPS(DWORD id)
1T,Bd!g {
!#olG}#[ HANDLE hProcess=NULL,hProcessToken=NULL;
GV9pet89yu BOOL IsKilled=FALSE,bRet=FALSE;
eIPk$j{e __try
x<d ew {
:}SR{}]yXs )kKeA if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
3%x-^. {
9]{Ss$W3x printf("\nOpen Current Process Token failed:%d",GetLastError());
t[ b(erO' __leave;
B(-F|q\ }
fl_a@QdB# //printf("\nOpen Current Process Token ok!");
'P&r^V\~(/ if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
J04R,B {
\naG __leave;
:2{ [f+ }
>Ij#+= printf("\nSetPrivilege ok!");
l,b_'
m@ qX[C% if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
]@}@G[e#[ {
D2:ShyYAS printf("\nOpen Process %d failed:%d",id,GetLastError());
k5)IBO __leave;
3VQmo\li }
RC/&dB //printf("\nOpen Process %d ok!",id);
+fMW B if(!TerminateProcess(hProcess,1))
Jx4~ o{Z}c {
7:.!R^5H printf("\nTerminateProcess failed:%d",GetLastError());
;:)u
rI? __leave;
6H|T ) }
WCI'Kh
IsKilled=TRUE;
PCKxo;bD }
fjQIuM __finally
% <%r {
,fm{
krE if(hProcessToken!=NULL) CloseHandle(hProcessToken);
TjctK [db@ if(hProcess!=NULL) CloseHandle(hProcess);
KZ [:o,jp> }
}L5;=A']S return(IsKilled);
:f R GXrn }
g87M"kQKA //////////////////////////////////////////////////////////////////////////////////////////////
<2+FE/3L 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:
`
-<S13 /*********************************************************************************************
z`8>$9 ModulesKill.c
V F"c} Create:2001/4/28
#Pq6q.UB Modify:2001/6/23
t 9.iWIr Author:ey4s
2l8z/o 7v Http://www.ey4s.org &#]||T- PsKill ==>Local and Remote process killer for windows 2k
57U;\L;ZmZ **************************************************************************/
q1%xk=8 #include "ps.h"
Sa6YqOel@ #define EXE "killsrv.exe"
"9H#pj - #define ServiceName "PSKILL"
JCITIjD7= J8`vk#5 #pragma comment(lib,"mpr.lib")
f%STkL) //////////////////////////////////////////////////////////////////////////
LkXF~ //定义全局变量
??P>HVx SERVICE_STATUS ssStatus;
+$GP(Uu, SC_HANDLE hSCManager=NULL,hSCService=NULL;
%vrUk;<35 BOOL bKilled=FALSE;
@ v}M\$N? char szTarget[52]=;
T!5g:;~y > //////////////////////////////////////////////////////////////////////////
.lppT)P BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
!AL?bW BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
_3_o/I BOOL WaitServiceStop();//等待服务停止函数
(Z>vbi% BOOL RemoveService();//删除服务函数
!z?:Y#P3 /////////////////////////////////////////////////////////////////////////
ZpU4"x> int main(DWORD dwArgc,LPTSTR *lpszArgv)
?eR^\-e {
3],[6%w BOOL bRet=FALSE,bFile=FALSE;
2FTJxSC char tmp[52]=,RemoteFilePath[128]=,
$D#eD. szUser[52]=,szPass[52]=;
p:|p? HANDLE hFile=NULL;
rAQ3x0 DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
^eqq|(<K qI gb;=V //杀本地进程
UrB{jS? if(dwArgc==2)
5CM]-qbf@ {
Cx`?}A\% if(KillPS(atoi(lpszArgv[1])))
&eX^ll printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
}Q>??~mVl else
r6`KZ TU printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
,tOc+3Qz$ lpszArgv[1],GetLastError());
()@+QE$ return 0;
zDA;FKZPp }
WAh{*$Rpl //用户输入错误
*s"{JrG`O else if(dwArgc!=5)
"V7 &@3 {
0-A@X>6bs printf("\nPSKILL ==>Local and Remote Process Killer"
).> O6A4:C "\nPower by ey4s"
,N5-(W "\nhttp://www.ey4s.org 2001/6/23"
N7qSbiRf< "\n\nUsage:%s <==Killed Local Process"
lV<j?I~?Q "\n %s <==Killed Remote Process\n",
R&s\h"=* lpszArgv[0],lpszArgv[0]);
I!,FxOM|$ return 1;
ob>2SU[Y }
&1Idv}@! //杀远程机器进程
>PiEu->P, strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
Tk0Senq, strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
r}])V[V strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
Z6r_T cH\.-5NQ //将在目标机器上创建的exe文件的路径
L[ 7Aa"R sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
u+vUv~4A6 __try
IqmoWn3 {
*.NVc //与目标建立IPC连接
k:kx=K5=4 if(!ConnIPC(szTarget,szUser,szPass))
^0&
{
Ea[K$NC)# printf("\nConnect to %s failed:%d",szTarget,GetLastError());
o8ADAU" return 1;
c27A)`
}
@,v.Y6Ge printf("\nConnect to %s success!",szTarget);
PaYsn *{}) //在目标机器上创建exe文件
5J8U] :Y) Qa=v }d-O hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
gS4@3BOw&. E,
{%3sj"suB NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
D[ (A`!) if(hFile==INVALID_HANDLE_VALUE)
+&hd3 {
bIahjxd: printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
g)#neEA J __leave;
q~:k[@`. }
k9?fE //写文件内容
D>Dch0{H,: while(dwSize>dwIndex)
'uw=)8t7 {
8!{F6DG ^<O=<tN\ if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
MHkTN {
Kr'5iFK7 printf("\nWrite file %s
$&iw (BIq failed:%d",RemoteFilePath,GetLastError());
-%^KDyZ<& __leave;
%) 8 UyZG }
bjEm=4FI; dwIndex+=dwWrite;
&]Q\@;]Aq }
StJ&YYdD //关闭文件句柄
\sZ!F&a~ CloseHandle(hFile);
0(!D1G{ul bFile=TRUE;
;y"quJ'O //安装服务
A296f( if(InstallService(dwArgc,lpszArgv))
@e_<OU {
]%VR Nm //等待服务结束
1zUo.Tg0 if(WaitServiceStop())
oO8V0VE\ {
*^q%b/ f //printf("\nService was stoped!");
c>%+y+b{ }
V.*0k~ else
xr*hmp1 {
`Al( AT(p //printf("\nService can't be stoped.Try to delete it.");
}&OgI