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。
_wJ#jJz2 OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
V7'x?
pt <1>与远程系统建立IPC连接
r~!%w(N|M <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
pmD-]0 <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
#LyjJmQ <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
*]| JX& <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
T2PFE4+Dp <6>服务启动后,killsrv.exe运行,杀掉进程
a1sLRqo8 <7>清场
ue:P#] tx 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
vKOn7 /***********************************************************************
6{r[ Dq Module:Killsrv.c
+PXfr~ 4 Date:2001/4/27
86 /i~s Author:ey4s
CZ%"Pqy&1L Http://www.ey4s.org whZ],R*u ***********************************************************************/
#2'&=?J1r #include
N4(VRA #include
)n[Mh!mn #include "function.c"
5%aKlx9^# #define ServiceName "PSKILL"
$
5-2cL @`*YZq>p SERVICE_STATUS_HANDLE ssh;
LuQ
M$/i SERVICE_STATUS ss;
+/lj~5:y /////////////////////////////////////////////////////////////////////////
Q
pc^qP^- void ServiceStopped(void)
`*9FKs {
*_rGBW ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
R M+K":p ss.dwCurrentState=SERVICE_STOPPED;
0Lz56e'j ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
Q/`o6xv ss.dwWin32ExitCode=NO_ERROR;
tYNt>9L| ss.dwCheckPoint=0;
Wq&c,H ss.dwWaitHint=0;
!4.^@^L|\ SetServiceStatus(ssh,&ss);
"8dnFrE return;
[a*>@IR }
]BD5+>; /////////////////////////////////////////////////////////////////////////
%!h+ void ServicePaused(void)
aYCzb7 {
4xn^`xf9
ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
MCpK^7]k ss.dwCurrentState=SERVICE_PAUSED;
@gGuV$Mw ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
^M5uLm-_s ss.dwWin32ExitCode=NO_ERROR;
"8TMAF|i4 ss.dwCheckPoint=0;
a2_IF,p*? ss.dwWaitHint=0;
'eY[?LJ]U SetServiceStatus(ssh,&ss);
4n)Mx*{ return;
\iSBLU }
?G<IN) void ServiceRunning(void)
v")
W@haU {
%9)J-B ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
%D0Ws9:| ss.dwCurrentState=SERVICE_RUNNING;
'=Y~Ir+ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
3o/a8 ss.dwWin32ExitCode=NO_ERROR;
|i}g7 ss.dwCheckPoint=0;
4\WkXwoqQO ss.dwWaitHint=0;
buyz>ICP SetServiceStatus(ssh,&ss);
b:I5poI3 return;
Yaepy3F }
?|YQtY /////////////////////////////////////////////////////////////////////////
MdjMTe s void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
FdHWF|D {
_u5U> w switch(Opcode)
F>R)~;Ja {
LB+=?Mz V case SERVICE_CONTROL_STOP://停止Service
:!FwF65 ServiceStopped();
<q=B(J' break;
r(CL=[ case SERVICE_CONTROL_INTERROGATE:
z{WqICnb SetServiceStatus(ssh,&ss);
6{WT;W>WT: break;
640V&<+v }
TBYL~QQD\C return;
L(S. }
^P`'qfZ //////////////////////////////////////////////////////////////////////////////
=B%e0M //杀进程成功设置服务状态为SERVICE_STOPPED
FEswNB(]* //失败设置服务状态为SERVICE_PAUSED
y^BM*C I //
V7i`vo3Cc void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
t4f\0`jN {
VO?NrKyeW ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
:?W:'% (`[ if(!ssh)
8[IifF1M=& {
&"n9,$ ServicePaused();
SVz.d/3Y return;
7Wn]l! }
C}E
ea~ ServiceRunning();
%z(=GcWm Sleep(100);
X/7 49"23 //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
7s3<} //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
Nuq/_x if(KillPS(atoi(lpszArgv[5])))
XL9lB#v^ ServiceStopped();
a8$pc>2E else
7J/3O[2 ServicePaused();
A*;h}\n return;
mq9&To! }
V@f#/"u' /////////////////////////////////////////////////////////////////////////////
P .( X]+ void main(DWORD dwArgc,LPTSTR *lpszArgv)
Us.jyg7_c {
1Xc%%j SERVICE_TABLE_ENTRY ste[2];
<Ux;dekz} ste[0].lpServiceName=ServiceName;
:gv#_[k ste[0].lpServiceProc=ServiceMain;
8G<.5!f7`N ste[1].lpServiceName=NULL;
nJC}wh2d# ste[1].lpServiceProc=NULL;
b7mP~]V StartServiceCtrlDispatcher(ste);
&T}e93] return;
}$U6lh/Ep }
]h@:Y] /////////////////////////////////////////////////////////////////////////////
OSU=O 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
"rJL ^ \r 下:
4ebGAg ?_ /***********************************************************************
xy>mM"DOH Module:function.c
*%sYajmD Date:2001/4/28
sBL^NDqa2 Author:ey4s
,_O[;L Http://www.ey4s.org +[+Jd)Z ***********************************************************************/
u1<kdTxA
N #include
[%:NR ////////////////////////////////////////////////////////////////////////////
Pp!W$C: BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
`BY`ltW {
eD0@n
: TOKEN_PRIVILEGES tp;
k/O&,T77}J LUID luid;
!^\/
1^ krU2S- if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
|{Q,,<C {
.jw)e!<\N printf("\nLookupPrivilegeValue error:%d", GetLastError() );
=Y0m;-1M return FALSE;
MvFXVCT# }
RR|Eqm3) tp.PrivilegeCount = 1;
.EQFHStr tp.Privileges[0].Luid = luid;
ln7.>.F if (bEnablePrivilege)
Fjb[Ev tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
d-aF- else
mH"`46 tp.Privileges[0].Attributes = 0;
Q<qIlNE // Enable the privilege or disable all privileges.
@hPbD?)M AdjustTokenPrivileges(
Ja1*a,],L hToken,
mHy]$Z FALSE,
2BY:qz%: &tp,
lhU# /}Z sizeof(TOKEN_PRIVILEGES),
&D#v0!e~x (PTOKEN_PRIVILEGES) NULL,
`x{gF8GV (PDWORD) NULL);
KNhH4K2iP8 // Call GetLastError to determine whether the function succeeded.
DGnswN%n1 if (GetLastError() != ERROR_SUCCESS)
lLv0lf {
{[+gM? printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
LtBH4A return FALSE;
Ql
1# l:Q }
o hCPNm return TRUE;
P.0-( }
`Ii>wb ////////////////////////////////////////////////////////////////////////////
.wywO| BOOL KillPS(DWORD id)
>xN^#$ng} {
gUcE,L HANDLE hProcess=NULL,hProcessToken=NULL;
CgWj9 [ BOOL IsKilled=FALSE,bRet=FALSE;
Jo ^o`9 __try
[nrP;
_ {
L~~aW0, Df9}YI;? if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
Bv3v;^ {
"7DPsPs printf("\nOpen Current Process Token failed:%d",GetLastError());
[B[ J%?NS __leave;
PZ s }
Z:Wix|,ONS //printf("\nOpen Current Process Token ok!");
yLP0w^Q if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
M<729M {
IP3-lru __leave;
yY+2;`CH }
6-~ printf("\nSetPrivilege ok!");
"?!IPX2\S foeVjL:T if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
tj0vB]c {
6yU~^))bx printf("\nOpen Process %d failed:%d",id,GetLastError());
#LZ`kSlv4 __leave;
=
N#WwNC }
zV]0S o //printf("\nOpen Process %d ok!",id);
,\M'jV"SK if(!TerminateProcess(hProcess,1))
?g&]*zc^\ {
{SJLM0=Z printf("\nTerminateProcess failed:%d",GetLastError());
c?d#Bj ? __leave;
TJ<PT }
E$T#o{pai IsKilled=TRUE;
_rM%N+$&d_ }
fITml6mbE __finally
{D@y-K5 {
e0TnA
N if(hProcessToken!=NULL) CloseHandle(hProcessToken);
=cQwR:): if(hProcess!=NULL) CloseHandle(hProcess);
ATU@5,9 }
1\2 m'o return(IsKilled);
]kPco4 }
z(ajR*\# //////////////////////////////////////////////////////////////////////////////////////////////
I'gnw~ OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
i0P+,U /*********************************************************************************************
^V:YNUqp# ModulesKill.c
cA*%K[9 Create:2001/4/28
&+
IXDU Modify:2001/6/23
gSC@uf Author:ey4s
PIA&s6U Http://www.ey4s.org L81"W`? PsKill ==>Local and Remote process killer for windows 2k
9T]]T Ev4 **************************************************************************/
}yw\+fc #include "ps.h"
_FV.}%W<u #define EXE "killsrv.exe"
*,. {Xf #define ServiceName "PSKILL"
.cb mCFXL %[0"[ <1a #pragma comment(lib,"mpr.lib")
0MOAd!N //////////////////////////////////////////////////////////////////////////
IH0Uq_ //定义全局变量
>
+SEze SERVICE_STATUS ssStatus;
@EQ{lGpU3 SC_HANDLE hSCManager=NULL,hSCService=NULL;
9we=aX5 BOOL bKilled=FALSE;
g
(~& char szTarget[52]=;
<[q)2 5RL //////////////////////////////////////////////////////////////////////////
P$Dr6; BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
]u:NE'0Xy BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
V$@2:@8mo BOOL WaitServiceStop();//等待服务停止函数
R[Rs2eS_ BOOL RemoveService();//删除服务函数
r'8e"pTi /////////////////////////////////////////////////////////////////////////
xP*R H-< int main(DWORD dwArgc,LPTSTR *lpszArgv)
}"T:z{n {
A;g[G >J BOOL bRet=FALSE,bFile=FALSE;
H$;\TG@, char tmp[52]=,RemoteFilePath[128]=,
q"Xls( szUser[52]=,szPass[52]=;
z/TRqD HANDLE hFile=NULL;
%H@fVWe2wT DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
^'h~#7s /v8qT'$^ //杀本地进程
;R67a
V, if(dwArgc==2)
>!$4nxq2> {
Y5;:jYk#<_ if(KillPS(atoi(lpszArgv[1])))
$lv
g.u printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
LC}]6 else
<ZocMv9gM printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
Y}Ov`ZM!r lpszArgv[1],GetLastError());
t^YDCcvoQ return 0;
u]}Xq{ZN }
UKzmRa,s //用户输入错误
^cY5!W.q8 else if(dwArgc!=5)
IL~yJx_11 {
:\>UZ9h # printf("\nPSKILL ==>Local and Remote Process Killer"
zJ\I%7h* "\nPower by ey4s"
`wq\K8v "\nhttp://www.ey4s.org 2001/6/23"
"ZH1W9A "\n\nUsage:%s <==Killed Local Process"
A ^~\ "\n %s <==Killed Remote Process\n",
^yX
W.s lpszArgv[0],lpszArgv[0]);
UeVF@rw return 1;
A[b'MNsv }
z`BRz& //杀远程机器进程
-AbA6_j strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
f(3#5288 strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
v\<`" strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
JRG7<s$ OLiYjYd //将在目标机器上创建的exe文件的路径
2n@"|\ uHD sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
s^AYPmR6 __try
u%T.XgY=j {
?6[>HX; //与目标建立IPC连接
R)H@'X if(!ConnIPC(szTarget,szUser,szPass))
=e4,)Wd9& {
=\q3;5[ printf("\nConnect to %s failed:%d",szTarget,GetLastError());
)Ev [o#y return 1;
`aC#s3[ }
m1frN#3 printf("\nConnect to %s success!",szTarget);
m7eO T //在目标机器上创建exe文件
:]]amziP& x|Q6[Y hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
F:\y#U6"J E,
DF-og*V NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
JY /Cd6\ if(hFile==INVALID_HANDLE_VALUE)
EswM#D9(4 {
BKGwi2]Ry printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
h[ tOY __leave;
'SuYNA) }
L-MpdC //写文件内容
fc
M~4yP? while(dwSize>dwIndex)
;z&p(e {
=7$YBCuF a
ZfX | if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
`]fY9ZDKs {
{Xl
5F.q printf("\nWrite file %s
G;tIhq[$Vb failed:%d",RemoteFilePath,GetLastError());
\ii^F?+b __leave;
HC$_p,9OV }
MRiETd" dwIndex+=dwWrite;
XX/cJp }
wD*_S}] //关闭文件句柄
Haturg CloseHandle(hFile);
tv?~LJYN bFile=TRUE;
u[cbRn,W //安装服务
>SccoI if(InstallService(dwArgc,lpszArgv))
NjMo"1d {
1N2:4|woe //等待服务结束
'a4xi0**I if(WaitServiceStop())
O-G4^V8 {
0C3CqGP //printf("\nService was stoped!");
aLP2p] }
}<XeZ?; else
b`1P%OjC {
Vj`9j. 5 //printf("\nService can't be stoped.Try to delete it.");
1z{AzpMZ }
@1rF9<
4g Sleep(500);
V}3.K\7 //删除服务
lQ@2s[ RemoveService();
GT*\gZ }
[ UQzCqV }
#OG_OI __finally
i9+V<'h {
Y]ZOvA5W //删除留下的文件
qc@CV: if(bFile) DeleteFile(RemoteFilePath);
c6Wy1d^ //如果文件句柄没有关闭,关闭之~
b[H& vp if(hFile!=NULL) CloseHandle(hFile);
0hCJovSG% //Close Service handle
E5.)ro=$ if(hSCService!=NULL) CloseServiceHandle(hSCService);
sexnO^s //Close the Service Control Manager handle
$Nnz|y if(hSCManager!=NULL) CloseServiceHandle(hSCManager);
.LdLm991,Y //断开ipc连接
;clF\K> wsprintf(tmp,"\\%s\ipc$",szTarget);
=XyK/$ WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);
o9>r
- if(bKilled)
N#Y4nllJ printf("\nProcess %s on %s have been
7@MVInV9 killed!\n",lpszArgv[4],lpszArgv[1]);
&yWl8O else
|Q.t]TR'P printf("\nProcess %s on %s can't be
i3N _wv{ killed!\n",lpszArgv[4],lpszArgv[1]);
8la.N* }
s+^YGB return 0;
[\eUCt F }
Lab{?!E>U //////////////////////////////////////////////////////////////////////////
vY6eg IO BOOL ConnIPC(char *RemoteName,char *User,char *Pass)
:,6dW?mun6 {
5fM/y3QPsZ NETRESOURCE nr;
CQQX7Y\ char RN[50]="\\";
?}lgwKBHl; PUF"^9v strcat(RN,RemoteName);
^pAqe8u_ strcat(RN,"\ipc$");
j=M_> 1KAA(W;nq nr.dwType=RESOURCETYPE_ANY;
hPP+lqY[ nr.lpLocalName=NULL;
VTy!<I nr.lpRemoteName=RN;
'l)@MXbGL nr.lpProvider=NULL;
{b8!YbG _ i.CvYe if(WNetAddConnection2(&nr,Pass,User,FALSE)==NO_ERROR)
JaiYVx( return TRUE;
XLI'f$w& else
i%D/@$\D6 return FALSE;
Ds$FO}KD{ }
}|&