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。
~LuGfPO^ OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
$bG*f*w <1>与远程系统建立IPC连接
)7
Mss/2T <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
g!}]FQBb <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
r,JQR)l0@V <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
/Z6lnm7wJ <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
8H4NNj Oy <6>服务启动后,killsrv.exe运行,杀掉进程
_[R(9KyF0f <7>清场
jkL=JAcf~ 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
4NID:< /***********************************************************************
%4nf(|8n Module:Killsrv.c
)9nW`d+ Date:2001/4/27
zu1"`K3b Author:ey4s
'6M6e( Http://www.ey4s.org 486\a ***********************************************************************/
b1?^9c#0d #include
?(gha #include
g)#?$OhP" #include "function.c"
dM;\)jm #define ServiceName "PSKILL"
c
K\
xeFx!$3 SERVICE_STATUS_HANDLE ssh;
!An?<Sv$ SERVICE_STATUS ss;
fM ID}S /////////////////////////////////////////////////////////////////////////
zb{79Os[B void ServiceStopped(void)
NfClR HpVc {
HXU#Ux ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
8lM=v> Xc ss.dwCurrentState=SERVICE_STOPPED;
3`&FXgo ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
rp4D_80q ss.dwWin32ExitCode=NO_ERROR;
@/^<9 ss.dwCheckPoint=0;
8r(awp ss.dwWaitHint=0;
\oWpyT _ SetServiceStatus(ssh,&ss);
zwV!6xG return;
\ UrD%;sq }
DP),~8 /////////////////////////////////////////////////////////////////////////
X:UlL"G void ServicePaused(void)
&9flNoNR9 {
th73eC' ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
JH\:9B+:L ss.dwCurrentState=SERVICE_PAUSED;
Hl}lxK,] ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
:f[ w ss.dwWin32ExitCode=NO_ERROR;
r<ww%2HTS ss.dwCheckPoint=0;
LL
e*|: ss.dwWaitHint=0;
p/(Z2N" SetServiceStatus(ssh,&ss);
.jD!+wv{9 return;
R%szN.cI }
* F%1~ void ServiceRunning(void)
?^Aj\z> {
yzK<yvN ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
%Lh%bqGz ss.dwCurrentState=SERVICE_RUNNING;
ijOp{ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
lNxP ss.dwWin32ExitCode=NO_ERROR;
.6`r`|= ss.dwCheckPoint=0;
/p<9C? ss.dwWaitHint=0;
`o#(YEu SetServiceStatus(ssh,&ss);
Z|C,HF+m. return;
H[hJUR+# }
c?CD;Pk /////////////////////////////////////////////////////////////////////////
Ypzmc$Xfu void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
p(pfJ^/:( {
PV#h_X<l% switch(Opcode)
B6dU6" {
hM]Z T5;< case SERVICE_CONTROL_STOP://停止Service
H/{@eaV ServiceStopped();
y^ skE{ break;
Kn->R9Tl case SERVICE_CONTROL_INTERROGATE:
?TpjU*Cxy SetServiceStatus(ssh,&ss);
fJr
EDj4( break;
h|]cZMGo }
0 8)f return;
\H .Cmm^I }
1 |{s8[;8 //////////////////////////////////////////////////////////////////////////////
ML>M:Ik+ //杀进程成功设置服务状态为SERVICE_STOPPED
#;!@Pf //失败设置服务状态为SERVICE_PAUSED
"BT M,CB //
z"
tz-~ void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
iz=cjmV? {
'/<\X{l8 ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
"a2|WKpD if(!ssh)
#8h7C8]& {
DyqqY$ vH( ServicePaused();
-]^JaQw return;
fof}I:vO }
Y#c439 & ServiceRunning();
fYPu%MN7 Sleep(100);
kS_#8I //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
Z5TA4Q+Q //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
Rf0so if(KillPS(atoi(lpszArgv[5])))
= vqJ0 ! ServiceStopped();
b4L7]& else
t)j$lmQn ServicePaused();
P-B5-Nz return;
n>pJ/l%` }
E@C.}37R /////////////////////////////////////////////////////////////////////////////
aUNA`
L void main(DWORD dwArgc,LPTSTR *lpszArgv)
G4c@v1#%. {
bJn&Y SERVICE_TABLE_ENTRY ste[2];
/%;J1{O ste[0].lpServiceName=ServiceName;
u)Kiwa ste[0].lpServiceProc=ServiceMain;
D4c'6WGb@ ste[1].lpServiceName=NULL;
f~W+Rt7o ste[1].lpServiceProc=NULL;
1av#u:jy~> StartServiceCtrlDispatcher(ste);
JL4E` return;
'nPI
zK<v }
=-Hhm($n /////////////////////////////////////////////////////////////////////////////
Tl yyJ{~ 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
?<jWEz= 下:
s3sRMB2 /***********************************************************************
2z{B Module:function.c
N4;g"k b Date:2001/4/28
FNUs
.d" Author:ey4s
%P ~;>4i, Http://www.ey4s.org Jd/d\P ***********************************************************************/
d,?D '/ #include
B](R(x>L ////////////////////////////////////////////////////////////////////////////
O\f`+Q`0 BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
}IWt\a<d {
Yr{hJGw[ TOKEN_PRIVILEGES tp;
}< '6FxR LUID luid;
*@bz<{! H<!q@E
; if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
[<,7LG< {
DX! dU'tj printf("\nLookupPrivilegeValue error:%d", GetLastError() );
Ra5 3M!>] return FALSE;
<5%*"v }
0V-jOc tp.PrivilegeCount = 1;
CN(-Jd.b tp.Privileges[0].Luid = luid;
Ud+,/pE>FA if (bEnablePrivilege)
*Zg=cI@)( tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
B?&0NpVD else
W#!AZ ! tp.Privileges[0].Attributes = 0;
d:iJUVpr // Enable the privilege or disable all privileges.
w/
~\NI AdjustTokenPrivileges(
;+C$EJw- hToken,
GXm#\) FALSE,
>"IG\//I &tp,
ym5@SBqIx sizeof(TOKEN_PRIVILEGES),
ASov/<D_q (PTOKEN_PRIVILEGES) NULL,
0p[k7W u (PDWORD) NULL);
rZwSo]gp // Call GetLastError to determine whether the function succeeded.
(z8ZCyq7r[ if (GetLastError() != ERROR_SUCCESS)
vcj(=\
e8v {
!i8)si_ printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
qN1fWU#$ return FALSE;
`W}pAmhj }
?ch?q~e) return TRUE;
oU,8?(}'~ }
9O&m7]3 ////////////////////////////////////////////////////////////////////////////
z*.G0DFw BOOL KillPS(DWORD id)
423%K$710 {
cvy
5|;-u HANDLE hProcess=NULL,hProcessToken=NULL;
LhKbZoPp BOOL IsKilled=FALSE,bRet=FALSE;
hzk!H]>E __try
00D.Jn {
;bG?R0a jMBMqQNU if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
?J+jv {
#Pk{emYW printf("\nOpen Current Process Token failed:%d",GetLastError());
;{0alhMZ __leave;
1o/(fy }
OcMB)1uh\ //printf("\nOpen Current Process Token ok!");
>"1EN5W
if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
T^]]z}k {
Q?T+^J __leave;
(KN",u6F }
jNx{*2._r printf("\nSetPrivilege ok!");
e.L&A| 8F<|.V; if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
.?CaU {
IT= y+ printf("\nOpen Process %d failed:%d",id,GetLastError());
/"="y'Wx __leave;
% S"z9@ }
n;.
M5}O //printf("\nOpen Process %d ok!",id);
Q3& ?28 if(!TerminateProcess(hProcess,1))
/,uxj5_cT {
_;^x^ printf("\nTerminateProcess failed:%d",GetLastError());
Oto8?4[n __leave;
O7IYg; }
vh&~Y].W Y IsKilled=TRUE;
p@q20>^u }
du}HTrsC __finally
hd9~Zw]V {
Has}oe[ if(hProcessToken!=NULL) CloseHandle(hProcessToken);
^L.I9a#]
if(hProcess!=NULL) CloseHandle(hProcess);
6oQ7u90z* }
y`$qcEw return(IsKilled);
n~
$S }
aC=2v7* //////////////////////////////////////////////////////////////////////////////////////////////
0sSBwG OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
NUb$PT /*********************************************************************************************
bA0H ModulesKill.c
?s>_^xfD Create:2001/4/28
QqF*SaO> Modify:2001/6/23
Uu+ibVM$ Author:ey4s
a!6r&<s=E Http://www.ey4s.org R`$jF\"`r PsKill ==>Local and Remote process killer for windows 2k
"qC3%9e **************************************************************************/
%4rlB$x #include "ps.h"
Q'cWqr #define EXE "killsrv.exe"
x])j]k #define ServiceName "PSKILL"
GGwwdB\x' Yur}<>`( #pragma comment(lib,"mpr.lib")
U~sC%Ri-@U //////////////////////////////////////////////////////////////////////////
2\.23 //定义全局变量
Am3j:|>* SERVICE_STATUS ssStatus;
rZ.=Lq SC_HANDLE hSCManager=NULL,hSCService=NULL;
g,*fpk BOOL bKilled=FALSE;
)CoFRqz<h char szTarget[52]=;
um]N]cCD` //////////////////////////////////////////////////////////////////////////
! 1?u0 BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
Y
?~n6< BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
RB*z."
BOOL WaitServiceStop();//等待服务停止函数
R~A))4<%% BOOL RemoveService();//删除服务函数
?$;&DoE /////////////////////////////////////////////////////////////////////////
8hy1yt6t4~ int main(DWORD dwArgc,LPTSTR *lpszArgv)
SkipPEhA {
COWlsca BOOL bRet=FALSE,bFile=FALSE;
OY|9V char tmp[52]=,RemoteFilePath[128]=,
)40YA\V szUser[52]=,szPass[52]=;
YH%U$eS#g HANDLE hFile=NULL;
9`/ywt3Y DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
\Qv:7;? Vm@VhCsp //杀本地进程
MW^FY4V1m if(dwArgc==2)
(/&ht-~EL {
Q ijO%) if(KillPS(atoi(lpszArgv[1])))
SK/}bZ;f printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
t3}_mJ else
_{^F8 printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
-KbO[b\V lpszArgv[1],GetLastError());
dUn]aS return 0;
[Z'4YXS }
bZK`]L[ //用户输入错误
%NlmLWF. else if(dwArgc!=5)
2y$DTMu {
Yx. t+a- printf("\nPSKILL ==>Local and Remote Process Killer"
xPT$d,~" "\nPower by ey4s"
cbou1Ei
"\nhttp://www.ey4s.org 2001/6/23"
V^.Z&7+E`_ "\n\nUsage:%s <==Killed Local Process"
2&s(:= "\n %s <==Killed Remote Process\n",
j _E(h. lpszArgv[0],lpszArgv[0]);
KVoi>?a return 1;
)i39'0a }
&,XPMT //杀远程机器进程
zYPvpZV/ strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
_6n za)OFH strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
WpI5C,3Z!l strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
WV|9d}5 YE"MtL { //将在目标机器上创建的exe文件的路径
hZe9 Y?) sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
3PzF^ 8KJ __try
\n#l+R23 {
RC"xnnIJv //与目标建立IPC连接
9<!??'@f if(!ConnIPC(szTarget,szUser,szPass))
m`XaY J {
\q-["W34 printf("\nConnect to %s failed:%d",szTarget,GetLastError());
M tDJ1I% return 1;
J{EK}' }
rA_r$X printf("\nConnect to %s success!",szTarget);
_cfAJ)8= //在目标机器上创建exe文件
|~D~#Nz ]%Whtj.,x7 hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
~te{9/ E,
/oM&29 jy NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
6NFLk+kqN if(hFile==INVALID_HANDLE_VALUE)
2I4G=jM[ {
=o"sBVj printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
%HZ!s
`w_ __leave;
\=W t{ }
{2|sk9?W //写文件内容
lQ.3_{"s while(dwSize>dwIndex)
/KJWo0zo {
kP~ ;dJD 9fSX=PVRmQ if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
TlQ5'0&I {
Tkf4`Gxd printf("\nWrite file %s
5bK:sht failed:%d",RemoteFilePath,GetLastError());
Z q}Cl'f __leave;
sD XJXJZ }
X.)1>zk dwIndex+=dwWrite;
"0"8Rp&V| }
=U~\iJ //关闭文件句柄
Ce3
CloseHandle(hFile);
!.{{QwZ bFile=TRUE;
i6h0_q8
> //安装服务
6ozBU^n if(InstallService(dwArgc,lpszArgv))
w$I$xup {
~Oj-W6-+&, //等待服务结束
);F
/P0P if(WaitServiceStop())
@(tiPV {
D>q?My //printf("\nService was stoped!");
[;INVUwG^ }
MES| iB else
I1Gk^wO {
;{>-K8=>$ //printf("\nService can't be stoped.Try to delete it.");
b WZX }
TlBu3z'P Sleep(500);
q/tC/V%@( //删除服务
^UpwVKdP RemoveService();
(e{pAm }
oU~ e| }
W&