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。
]I)ofXu] OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
*rTg>) <1>与远程系统建立IPC连接
?j8!3NCl} <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
s,r|p@^ <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
`U|7sLR <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
Xfg3q.q <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
D\G.p |9= <6>服务启动后,killsrv.exe运行,杀掉进程
/a*){JQ5j <7>清场
F. U@8lr 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
=/K)hI!u /***********************************************************************
WzstO}?P( Module:Killsrv.c
inh:b .,B Date:2001/4/27
TC-Vzk G| Author:ey4s
0GxJja Http://www.ey4s.org ;N#}3lpLqg ***********************************************************************/
g"748LY>=p #include
T; tY7;< #include
N& #include "function.c"
7;|"1H:cmw #define ServiceName "PSKILL"
keC'/\e JXL?.{'A SERVICE_STATUS_HANDLE ssh;
HnArj_E SERVICE_STATUS ss;
\(Oc3+n6 /////////////////////////////////////////////////////////////////////////
7f+@6jqD\) void ServiceStopped(void)
0)SRLHTY% {
dV[G-p
ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
WP*}X7IS ss.dwCurrentState=SERVICE_STOPPED;
t$du|q( ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
rO>'QZ% ss.dwWin32ExitCode=NO_ERROR;
hu$eO'M_ ss.dwCheckPoint=0;
>%;i@" ss.dwWaitHint=0;
Xk.OyQ@ SetServiceStatus(ssh,&ss);
K ,NmDc^ return;
8Azh&c }
Mv%Qze,\V^ /////////////////////////////////////////////////////////////////////////
zc8^#D2y& void ServicePaused(void)
FBwG3x {
~qQZh u" ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
Ea
S[W?u} ss.dwCurrentState=SERVICE_PAUSED;
2!0tD+B
ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
^+Nd\tp ss.dwWin32ExitCode=NO_ERROR;
C W#:' ss.dwCheckPoint=0;
Hy4;i^Ik < ss.dwWaitHint=0;
CIMI? SetServiceStatus(ssh,&ss);
~588M
8~ return;
P!Fykg }
VxDIA_@y void ServiceRunning(void)
kr+p&|. {
C]2-V1,ZX ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
AuK$KGCI= ss.dwCurrentState=SERVICE_RUNNING;
)1!<<;@0 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
rwJU;wy ss.dwWin32ExitCode=NO_ERROR;
4_5f4%S ss.dwCheckPoint=0;
HSysME1X:/ ss.dwWaitHint=0;
tkZUjQIX SetServiceStatus(ssh,&ss);
w^Y/J4 I0 return;
<L8|Wz }
EtzSaB*| /////////////////////////////////////////////////////////////////////////
Xgd-^ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
joskKik^ {
W]/J]O6 switch(Opcode)
;*Vnwt A {
qdI%v#'M case SERVICE_CONTROL_STOP://停止Service
_!1LV[x!s ServiceStopped();
F}{%*EJ break;
QP.Lq}
case SERVICE_CONTROL_INTERROGATE:
-9FGFBm4] SetServiceStatus(ssh,&ss);
BW)-F (v break;
1s(T#jh }
g
ptf*^s return;
xjr4')h }
T`wDdqWbEG //////////////////////////////////////////////////////////////////////////////
QNOdt 2NN //杀进程成功设置服务状态为SERVICE_STOPPED
vY_[@y //失败设置服务状态为SERVICE_PAUSED
vN^.MR+< //
pk9Ics;y void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
1v|-+p42 {
VA[EY`8 ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
Hc'Pp{| X if(!ssh)
@U8u6JNK' {
JWd[zJ[ ServicePaused();
mq[=,,# return;
0Qa0 }
Y[f]L4,V ServiceRunning();
avq$aq(3& Sleep(100);
60^j<O //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
>\[]z^J //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
OiQf=Uz\ if(KillPS(atoi(lpszArgv[5])))
:wS&3:h ServiceStopped();
NH|I>vyN else
_cQ
'3@ ServicePaused();
"W"^0To return;
vcdVck@ }
" Bx@( /////////////////////////////////////////////////////////////////////////////
GIzB1cl: void main(DWORD dwArgc,LPTSTR *lpszArgv)
Op-z"inw {
)9"^ D SERVICE_TABLE_ENTRY ste[2];
2pdeJ ste[0].lpServiceName=ServiceName;
FShjUl>mV ste[0].lpServiceProc=ServiceMain;
I;NW!"pU ste[1].lpServiceName=NULL;
Ur#jJR@%3 ste[1].lpServiceProc=NULL;
+Mq\3 StartServiceCtrlDispatcher(ste);
P4Pc;8T@! return;
N\*oL*[j }
<b
H*f w /////////////////////////////////////////////////////////////////////////////
nC p/.]Y* 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
k!x|oC0 下:
$6mShp9( /***********************************************************************
QUW`Yc Module:function.c
boEQI=!j\+ Date:2001/4/28
S?b&4\: Author:ey4s
N_K9H1r Http://www.ey4s.org uQvTir*e ***********************************************************************/
.4\I?
#include
Y
M:9m) ////////////////////////////////////////////////////////////////////////////
9k ~8n9 BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
'r 7[9[ {
5(ZOm|3ix TOKEN_PRIVILEGES tp;
~'%d]s+q LUID luid;
G/p\MzDko G^t)^iI"' if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
Uap0O2n {
_jG|kjFTc printf("\nLookupPrivilegeValue error:%d", GetLastError() );
buX(mj:& return FALSE;
pF8$83S }
t$n Jmfzm tp.PrivilegeCount = 1;
k)-+ZmMOh tp.Privileges[0].Luid = luid;
m@XX2l9:9 if (bEnablePrivilege)
ISC>]` tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
`[5xncZ- else
{.$7g8]I tp.Privileges[0].Attributes = 0;
mv99SOe[Fz // Enable the privilege or disable all privileges.
g@^ y$wt AdjustTokenPrivileges(
U!q2bF<@ hToken,
x
t-s"A FALSE,
UUDUda &tp,
+@?Q "B5u} sizeof(TOKEN_PRIVILEGES),
>`UqS`YQK (PTOKEN_PRIVILEGES) NULL,
dP_QkO (PDWORD) NULL);
>hNSEWMY` // Call GetLastError to determine whether the function succeeded.
CWkWW/ZI if (GetLastError() != ERROR_SUCCESS)
}{N#JTmjB# {
6ioj!w<N printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
[T r7SU#x return FALSE;
Dst;sLr[, }
^WB[uFt- return TRUE;
,nYa+e }
?I^$35 ////////////////////////////////////////////////////////////////////////////
h@R n)D BOOL KillPS(DWORD id)
HjA~3l7 {
E~}H,*) HANDLE hProcess=NULL,hProcessToken=NULL;
$a~ BOOL IsKilled=FALSE,bRet=FALSE;
N9 M}H# __try
TNqL ')f {
4j3_OUwWZx [Ix6ArY if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
f?.VVlD {
KX~
uE6rX printf("\nOpen Current Process Token failed:%d",GetLastError());
RL4|!HzR __leave;
Culv/ }
>P
j#?j*Y //printf("\nOpen Current Process Token ok!");
|_p7vl" if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
T3oFgzoO {
e=VSO!(rY __leave;
<~uzHg%Y }
NxnRQS printf("\nSetPrivilege ok!");
tZ[9qms^_ ]\fHc"/ if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
pP.`+vPi {
(9]1p; printf("\nOpen Process %d failed:%d",id,GetLastError());
$O\m~r4 __leave;
ThX3@o }
9ad)=3A&L //printf("\nOpen Process %d ok!",id);
1oO(;--u_ if(!TerminateProcess(hProcess,1))
;U4O` pZ {
}}k%.Qb printf("\nTerminateProcess failed:%d",GetLastError());
x~}&t+FK __leave;
x} =,'Ko}3 }
wp }Q4I IsKilled=TRUE;
ys[xR=nbD }
k:?)0Uh%^ __finally
QaO9-:]eN {
t+A*Ws*o if(hProcessToken!=NULL) CloseHandle(hProcessToken);
^ulgZ2BQ| if(hProcess!=NULL) CloseHandle(hProcess);
/95z1e }
!QVhP+l'H return(IsKilled);
k^d]E F }
-%J9!( //////////////////////////////////////////////////////////////////////////////////////////////
Vyi.:lL _8 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:
w%`S>+kX& /*********************************************************************************************
spP[S"gI ModulesKill.c
| t:UpP Create:2001/4/28
uSXnf Modify:2001/6/23
RDSC @3% Author:ey4s
l7T?Yx j Http://www.ey4s.org SVVE b6& PsKill ==>Local and Remote process killer for windows 2k
?wkT=mv **************************************************************************/
G!VEV3zT #include "ps.h"
W>!:K^8] #define EXE "killsrv.exe"
dn'|~zf. #define ServiceName "PSKILL"
Sm {Sq "
l|`LjP5M #pragma comment(lib,"mpr.lib")
[H\0
' //////////////////////////////////////////////////////////////////////////
r[ k //定义全局变量
<[ dt2)%L> SERVICE_STATUS ssStatus;
" TCJT390 SC_HANDLE hSCManager=NULL,hSCService=NULL;
h(kPf]0 BOOL bKilled=FALSE;
wclj9&k char szTarget[52]=;
k+[oYd //////////////////////////////////////////////////////////////////////////
rx|
,DI BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
~c v|, BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
+vJ}'uR3P BOOL WaitServiceStop();//等待服务停止函数
g
\S6>LG! BOOL RemoveService();//删除服务函数
F\&wFA'J /////////////////////////////////////////////////////////////////////////
N>EMVUVS int main(DWORD dwArgc,LPTSTR *lpszArgv)
,k.") {
j{FRD8]V
BOOL bRet=FALSE,bFile=FALSE;
7)D[ }UXz char tmp[52]=,RemoteFilePath[128]=,
l$!ExXEZO; szUser[52]=,szPass[52]=;
U= GJuixy HANDLE hFile=NULL;
=W')jKe0 DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
t|V5[n! j8Q_s/n //杀本地进程
^vh!1"T if(dwArgc==2)
gcwJ{& {
Y/UvNb<lK if(KillPS(atoi(lpszArgv[1])))
vO?sHh printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
Zt41f PQ else
/kr|}`#
Z printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
Z/ml,4e lpszArgv[1],GetLastError());
u)EtEl7Wq return 0;
jHT^I
as }
N4qBCBr( //用户输入错误
_)pOkS else if(dwArgc!=5)
xC
+>R1) {
!ck luj printf("\nPSKILL ==>Local and Remote Process Killer"
4J'0k<5S "\nPower by ey4s"
(ZF~
"\nhttp://www.ey4s.org 2001/6/23"
3`D*AFQc "\n\nUsage:%s <==Killed Local Process"
roriNr/e "\n %s <==Killed Remote Process\n",
<}&J|() lpszArgv[0],lpszArgv[0]);
9qi|)!!L return 1;
J s33S) }
1:7fV@jw //杀远程机器进程
PY4">~6\i strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
1M)88& strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
jEx8G3EL strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
j-aTpN 4+>~Ui_# //将在目标机器上创建的exe文件的路径
pIrL7Pb0 sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
o4a@{nt^, __try
!+Cc^{ {
TG?>;It& //与目标建立IPC连接
3LQu+EsS if(!ConnIPC(szTarget,szUser,szPass))
?^:5` {
:Id8N~g printf("\nConnect to %s failed:%d",szTarget,GetLastError());
[KGj70|~ return 1;
\{*`-Pv }
`:ZaT('h printf("\nConnect to %s success!",szTarget);
mV}8s]29 //在目标机器上创建exe文件
_o?aO C t#f-3zd9 hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
=<(6yu_ E,
`v(!IBP| NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
:zIB3nT^ if(hFile==INVALID_HANDLE_VALUE)
m bhh {
|w~*p
N0 printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
,3GB9 __leave;
oKkDG|IE }
wE9z@\z] //写文件内容
vfDX~_N while(dwSize>dwIndex)
0"\js:-$ {
yHf^6|$8 Ug#B( }/ if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
6R3/"&P(/# {
Y*jkUQ printf("\nWrite file %s
C@XnV=J failed:%d",RemoteFilePath,GetLastError());
4%yeEc;z __leave;
R Ee~\n+P^ }
BUI#y `J dwIndex+=dwWrite;
;x|?N* }
_Nz?fJ:$@ //关闭文件句柄
Z~w?Qm:/ CloseHandle(hFile);
X+\=dhn69 bFile=TRUE;
#Ph8? //安装服务
%dd B$( if(InstallService(dwArgc,lpszArgv))
1,P2}mYv {
&F0>V o //等待服务结束
P
2x.rukT| if(WaitServiceStop())
|gk"~D {
LDo~ //printf("\nService was stoped!");
?*q-u9s9 }
rV%;d[LB else
MnY}U",
{
'./qBJ //printf("\nService can't be stoped.Try to delete it.");
<gvgr4@^yR }
~O/B Sleep(500);
? R[GSS1 //删除服务
>A L^y(G RemoveService();
ucLh|}jJ5 }
h=au`o&CG }
bV)h\:oC __finally
F&+_z&n