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。
0J5IO|1M OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
r(i!". Z <1>与远程系统建立IPC连接
v_L?n7c <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
'ngx\Lr <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
7a5G,C#QQ <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
UkzLUok]U <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
.J fV4!=o <6>服务启动后,killsrv.exe运行,杀掉进程
(|t)MnPfY <7>清场
<HMmsw 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
I5H#]U /***********************************************************************
,Z aPY Module:Killsrv.c
ki<4G Date:2001/4/27
}:9UI Author:ey4s
%YV3-W8S0 Http://www.ey4s.org <52) ***********************************************************************/
%5-
#include
Q|&Wcxq2! #include
n\'@]qG)Z4 #include "function.c"
whb,2=gIE #define ServiceName "PSKILL"
b+!I_g4P <cNg_ZZ;8 SERVICE_STATUS_HANDLE ssh;
gVU&Yl~/^ SERVICE_STATUS ss;
:!WKD@] /////////////////////////////////////////////////////////////////////////
-h1FrDBt void ServiceStopped(void)
~9h/{$ {
ZB5u\NpcW ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
v3Xt<I=4y ss.dwCurrentState=SERVICE_STOPPED;
C#@>osC ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
P%_PG%O2p ss.dwWin32ExitCode=NO_ERROR;
yaW HGre ss.dwCheckPoint=0;
YM4njkI7 ss.dwWaitHint=0;
Q~>="Yiu SetServiceStatus(ssh,&ss);
QbG`F8dj return;
b_%W*Q }
C=!YcJ9 /////////////////////////////////////////////////////////////////////////
|p"4cG?) void ServicePaused(void)
M F_VMAq {
O9jpt>:kZ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
GJP\vsaQ ss.dwCurrentState=SERVICE_PAUSED;
fNNik7 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
vgbk
{ ss.dwWin32ExitCode=NO_ERROR;
6,:`esl ss.dwCheckPoint=0;
X0+M|8: ss.dwWaitHint=0;
}\wTV*n`X SetServiceStatus(ssh,&ss);
:j4i(qcF return;
q A?j-H }
[(eO_I5ep void ServiceRunning(void)
Qe;j_ BH {
ptvM>zw'~g ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
BzyzOtBp3L ss.dwCurrentState=SERVICE_RUNNING;
0$e]?]X6 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
y+K21(z. ss.dwWin32ExitCode=NO_ERROR;
EWn\]f| ss.dwCheckPoint=0;
<h<4R Rj ss.dwWaitHint=0;
B%^ $fJ|
SetServiceStatus(ssh,&ss);
N%" /mcO return;
Mg^.~8\de }
.BqSE /////////////////////////////////////////////////////////////////////////
&Dw8GU}1 void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
?~fuMy B {
n3LCQ:]Tf switch(Opcode)
xK;WJm" {
elw}(l<F case SERVICE_CONTROL_STOP://停止Service
E])X$:P? ServiceStopped();
WTZr{)e break;
}2i3 case SERVICE_CONTROL_INTERROGATE:
N,Ys}qP SetServiceStatus(ssh,&ss);
"H!2{l{ break;
=`y.L5 }
*3r{s'm return;
8jxs%N,aI }
PN@[k:5( //////////////////////////////////////////////////////////////////////////////
I~:
AWS9 //杀进程成功设置服务状态为SERVICE_STOPPED
W$_@9W(Bl //失败设置服务状态为SERVICE_PAUSED
Tx!c} //
4RU/y+[o void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
Ne 9R
u'B6 {
'.&z y# ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
.-W_m7&} if(!ssh)
{Kh u'c {
ecgGl,{ ServicePaused();
ngC|BLT%h return;
q9`!T4, }
q,H
0=\ ServiceRunning();
DU.nXwl] Sleep(100);
h=Xr J //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
kH10z~(e //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
{@gTs if(KillPS(atoi(lpszArgv[5])))
g6=w
MRt[ ServiceStopped();
q<` g else
Q?\rwnW?U ServicePaused();
Mb#-I
GZ return;
l<l6Ey( }
T-L;iH~0 /////////////////////////////////////////////////////////////////////////////
"0yO~;a void main(DWORD dwArgc,LPTSTR *lpszArgv)
kb>/R/,9 {
gbJz5EEq SERVICE_TABLE_ENTRY ste[2];
}\oy?_8~ ste[0].lpServiceName=ServiceName;
{V)Z!D ste[0].lpServiceProc=ServiceMain;
ctg[C$<q| ste[1].lpServiceName=NULL;
pdQ6/vh ste[1].lpServiceProc=NULL;
.sk$ @Q StartServiceCtrlDispatcher(ste);
DMY?'Nts! return;
TXlxnB }
Uhz<B #tj /////////////////////////////////////////////////////////////////////////////
P{!r<N 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
$A/$M\: 下:
Wi?37EHr /***********************************************************************
b-x,`s Module:function.c
+R_w- NI Date:2001/4/28
^KsiTVY Author:ey4s
5YG?m{hyn_ Http://www.ey4s.org ,.ln ***********************************************************************/
Y:0SrB!\ #include
z7H[\ 4A!> ////////////////////////////////////////////////////////////////////////////
b6k'`vLA BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
v!pT!(h4 {
p ^U:O&U( TOKEN_PRIVILEGES tp;
2@ <x%T LUID luid;
8R6!SB JRC+>'}Xj if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
}"'^.FG^_ {
yn[^!GuJ_ printf("\nLookupPrivilegeValue error:%d", GetLastError() );
'b*
yYX< return FALSE;
<R.5Ma }
N:y3tpG tp.PrivilegeCount = 1;
m-Uq6_e tp.Privileges[0].Luid = luid;
LI&+5` if (bEnablePrivilege)
o!3 -=<^ tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
YAIDSZ&l[ else
U[a;eOLx tp.Privileges[0].Attributes = 0;
GCUzKf& // Enable the privilege or disable all privileges.
_:,:U[@Vz AdjustTokenPrivileges(
l(T CF hToken,
x"Hi!h)v FALSE,
^/3R/;? &tp,
>g]kbes-\ sizeof(TOKEN_PRIVILEGES),
/l,V0+p (PTOKEN_PRIVILEGES) NULL,
Qn77ZpL:LJ (PDWORD) NULL);
rmW,# // Call GetLastError to determine whether the function succeeded.
;-d }\f , if (GetLastError() != ERROR_SUCCESS)
^+JpI*, {
}/yhwijg printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
1r?<1vh:z return FALSE;
|8$x }
\S)\~>.`y! return TRUE;
NY'sZTM& }
TvE M{ ////////////////////////////////////////////////////////////////////////////
S3[rv BOOL KillPS(DWORD id)
+oZq~2?*S6 {
ag-\(i;K] HANDLE hProcess=NULL,hProcessToken=NULL;
?Mg&e/^ BOOL IsKilled=FALSE,bRet=FALSE;
Bf;dp`(/ __try
Wb] ha1$ {
lEBt< ,OX(z=i_ if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
#cqia0.H {
gc 14 % printf("\nOpen Current Process Token failed:%d",GetLastError());
S=>54!{`x __leave;
S;[*5g6a&x }
%&+j(?9 //printf("\nOpen Current Process Token ok!");
&k
/uR;yw if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
4+od N. {
1Z?en __leave;
:h
tOz. }
P"J(O<(1-: printf("\nSetPrivilege ok!");
4|uh&4"*@W 6uCa iPV if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
&+\J "V8 {
%X Jv;| printf("\nOpen Process %d failed:%d",id,GetLastError());
zo-hH8J: __leave;
Bf$YwoZov }
Vf#X[$pc/ //printf("\nOpen Process %d ok!",id);
gRS}Y8 if(!TerminateProcess(hProcess,1))
i2SR.{& {
,F7W_f#
@3 printf("\nTerminateProcess failed:%d",GetLastError());
bb#F2r4 __leave;
hHsCr@i }
_uuxTNN0x* IsKilled=TRUE;
\ %Er%yv) }
{(@M0? __finally
X !g"D6' {
1D03Nbh|5 if(hProcessToken!=NULL) CloseHandle(hProcessToken);
I
@TR| if(hProcess!=NULL) CloseHandle(hProcess);
H 3YFbR }
.eAN`-t; return(IsKilled);
|1zoT|}q }
G[1:<Vg8 //////////////////////////////////////////////////////////////////////////////////////////////
sr+*
q6W 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:
4=S.U`t7 /*********************************************************************************************
_-$"F> ModulesKill.c
lCBb0k2 Create:2001/4/28
cF9bSY_Eh Modify:2001/6/23
Xm./XC Author:ey4s
P08=? Http://www.ey4s.org @vdBA hXk PsKill ==>Local and Remote process killer for windows 2k
f"zXiUV **************************************************************************/
&v7$*n27 #include "ps.h"
cXiNO
ke& #define EXE "killsrv.exe"
_5(lp} s #define ServiceName "PSKILL"
sK8=PZ\ n=#AH;42 #pragma comment(lib,"mpr.lib")
7F OG^ //////////////////////////////////////////////////////////////////////////
oa(R,{_*q //定义全局变量
nqNL[w6{ SERVICE_STATUS ssStatus;
*HFRG)[V SC_HANDLE hSCManager=NULL,hSCService=NULL;
q~68)D( BOOL bKilled=FALSE;
B#Cb`b" char szTarget[52]=;
o(GXv3L //////////////////////////////////////////////////////////////////////////
?IR]y-r BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
,U+y)w]ar BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
/E F0~iy BOOL WaitServiceStop();//等待服务停止函数
SFVOof#s BOOL RemoveService();//删除服务函数
~Rd,jfx /////////////////////////////////////////////////////////////////////////
a>x3UVf_ int main(DWORD dwArgc,LPTSTR *lpszArgv)
u}ULb F {
BbEWa BOOL bRet=FALSE,bFile=FALSE;
"c8
-xG char tmp[52]=,RemoteFilePath[128]=,
T
22tZp szUser[52]=,szPass[52]=;
FES_:?.0 HANDLE hFile=NULL;
v#1}(
hb DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
h+)XLs TbqH-R3W //杀本地进程
^'j? {@ if(dwArgc==2)
]n9o=^q/ {
A)9OkLrc if(KillPS(atoi(lpszArgv[1])))
)[&'\SOO printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
ocCq$%Ka else
6%bZZTP` printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
w&yK*nBK lpszArgv[1],GetLastError());
c5x2FM z return 0;
1p&e:v }
]hNio6CVm //用户输入错误
(}ObX!, else if(dwArgc!=5)
%5#ts/f {
Y 3W_Z printf("\nPSKILL ==>Local and Remote Process Killer"
LpwjP4vWJ "\nPower by ey4s"
ZbVo<p5* ] "\nhttp://www.ey4s.org 2001/6/23"
[=k$Q
(.3 "\n\nUsage:%s <==Killed Local Process"
f]Jn\7j4 "\n %s <==Killed Remote Process\n",
H9}z0VI lpszArgv[0],lpszArgv[0]);
;}v#hKC~ return 1;
"M#A `b }
jdz]+Q`jq //杀远程机器进程
GCaiogiBg strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
}+/j /es{] strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
B:Y"X:Y strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
iNj*Gj g\_J //将在目标机器上创建的exe文件的路径
DFDlp sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
a;a^- n|D __try
!'|^`u=eL {
cP#vzFB0> //与目标建立IPC连接
>&pB&'A a if(!ConnIPC(szTarget,szUser,szPass))
cAFYEx/( {
zh8\
_>+ printf("\nConnect to %s failed:%d",szTarget,GetLastError());
+9LIpU&5 return 1;
HK_Vk\e }
^n Gj 7b printf("\nConnect to %s success!",szTarget);
jSi\/(E //在目标机器上创建exe文件
\ZNUt$\ F|mppY'<J hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
&CP]+ at E,
2F5*C NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
C_CUk d[ if(hFile==INVALID_HANDLE_VALUE)
'" MT$MrT {
1ym^G0"s printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
&+0WZ#VI __leave;
Tvp ~~Dk }
}6S~"<Ym //写文件内容
2bIP.M2Fs while(dwSize>dwIndex)
fkKk/M>1 {
.J=<E CuT~
Bj if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
w3hG\2)[HS {
b}&2j3-n, printf("\nWrite file %s
UdGa#rcNW failed:%d",RemoteFilePath,GetLastError());
0eJqDCmH __leave;
"~V|p3 }
E4}MU}C#[ dwIndex+=dwWrite;
prypo.RI }
4Nylc.2mi //关闭文件句柄
6KH&-ffd CloseHandle(hFile);
lftT55Tki bFile=TRUE;
z5njblUz //安装服务
dd?ZQ:n if(InstallService(dwArgc,lpszArgv))
_P].Z8 {
IA6,P>}N //等待服务结束
qoZUX3{ if(WaitServiceStop())
6h5DvSO {
5vP=Wf cW //printf("\nService was stoped!");
%imI.6 }
F7!q18ew else
fx74h{3u {
c]Z@L~WW //printf("\nService can't be stoped.Try to delete it.");
4Su|aWL- }
2)-V\:;js Sleep(500);
6'S q|@VOi //删除服务
[]L
yu RemoveService();
QmiS/`AAv }
XEX-NE"] }
7Be\^% __finally
1r:i'cWh {
P<E!ix //删除留下的文件
=|j~*6Hd if(bFile) DeleteFile(RemoteFilePath);
ta //如果文件句柄没有关闭,关闭之~
b^s>yN if(hFile!=NULL) CloseHandle(hFile);
tNbL) //Close Service handle
~;AJB if(hSCService!=NULL) CloseServiceHandle(hSCService);
:qAF}|6 //Close the Service Control Manager handle
BN]{o(EB if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
7 'B9z/ //断开ipc连接
W)LtnD2 w wsprintf(tmp,"\\%s\ipc$",szTarget);
(R{|* :KP WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
QKP@+E_U if(bKilled)
&YpWfY&V