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。
Hi.JL OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
?A2EuvQH] <1>与远程系统建立IPC连接
qJISB7F[%O <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
U0)(k}Q) <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
w8{deSdfP <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
n7{1m$/ <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
%tQIKjsVaY <6>服务启动后,killsrv.exe运行,杀掉进程
C-4I
e
<7>清场
9';0vrFeM 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
qZ8lU /***********************************************************************
@h^5*M Module:Killsrv.c
\a|gzC1G Date:2001/4/27
Az0Yt31= Author:ey4s
ixfkMM,W Http://www.ey4s.org U*1~Zf ***********************************************************************/
Zsf<)Vx #include
!pDS*{)E #include
p8F|]6Z #include "function.c"
BB>7%~3f #define ServiceName "PSKILL"
gB
kb0 q$EVd9aN SERVICE_STATUS_HANDLE ssh;
k^ZUOWmU| SERVICE_STATUS ss;
e@F&/c /////////////////////////////////////////////////////////////////////////
u6 B (f; void ServiceStopped(void)
urtcSq&H' {
gb@!Co3 ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
4H\O&pSS ss.dwCurrentState=SERVICE_STOPPED;
b<:s{f"t, ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
^P{'l^CVX ss.dwWin32ExitCode=NO_ERROR;
n,V`Y'v) ss.dwCheckPoint=0;
T,H]svN5p ss.dwWaitHint=0;
Qt@~y'O SetServiceStatus(ssh,&ss);
8mCr6$|% return;
$xloB }
ef53~x /////////////////////////////////////////////////////////////////////////
sav2 .w void ServicePaused(void)
@br%:Nt {
`5!7Il ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
jhg!K.A ss.dwCurrentState=SERVICE_PAUSED;
zIdQ^vm8Q ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
`w~ 9/sty ss.dwWin32ExitCode=NO_ERROR;
?Bh} ss.dwCheckPoint=0;
4|Y0$(6o ss.dwWaitHint=0;
2\s-4H|
q SetServiceStatus(ssh,&ss);
{J99F return;
Gjv'$O2_ }
]%mg(&p4 void ServiceRunning(void)
y()#FRp7 {
hs/nM"V
ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
A:p0p^* ss.dwCurrentState=SERVICE_RUNNING;
m6IZGl7% ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
F92n)*[ ss.dwWin32ExitCode=NO_ERROR;
M5%xp.B ss.dwCheckPoint=0;
yGN<.IP75 ss.dwWaitHint=0;
F.@yNr" SetServiceStatus(ssh,&ss);
jj.yB#T return;
BJ&>'rc }
y XS/3_A{ /////////////////////////////////////////////////////////////////////////
Ebq5P$ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
g[eI-J+F {
bk>M4l61 switch(Opcode)
6QxLHQA {
M8g=t[\ case SERVICE_CONTROL_STOP://停止Service
*,
{b]6v ServiceStopped();
J@R+t6$3O break;
$jw!DrE case SERVICE_CONTROL_INTERROGATE:
AE<AEq SetServiceStatus(ssh,&ss);
aV>w($tdd break;
D|+H!f{k }
6.By)L return;
}Y-f+qX* }
A\: =p //////////////////////////////////////////////////////////////////////////////
^ qE4:|e //杀进程成功设置服务状态为SERVICE_STOPPED
+$v$P!), //失败设置服务状态为SERVICE_PAUSED
4uTYuaCNs //
Q2Q`g`* O: void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
HD`Gi0 {
%n-LDn ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
pR~PB if(!ssh)
5))?,YkrrI {
[u-~<80 ServicePaused();
i5)trSM| return;
-
+>~ }
%r|fuwwJO ServiceRunning();
xeu] X|, Sleep(100);
o+q5:vJt //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
O81})r*Y //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
s+0$_&xR if(KillPS(atoi(lpszArgv[5])))
os#j;C]l ServiceStopped();
n*-#VKK^ else
u}u2{pO! ServicePaused();
gNxnoOY return;
e"2 wXd_} }
;((gmg7, /////////////////////////////////////////////////////////////////////////////
^]Gt<_ void main(DWORD dwArgc,LPTSTR *lpszArgv)
X|8Yz3:o {
N\xqy-L9 SERVICE_TABLE_ENTRY ste[2];
V{a 7@_y ste[0].lpServiceName=ServiceName;
(hmasy6hM ste[0].lpServiceProc=ServiceMain;
K=!J=R; ste[1].lpServiceName=NULL;
we{*%8I; ste[1].lpServiceProc=NULL;
{Y
IVHl StartServiceCtrlDispatcher(ste);
*h]qh20t return;
bC)<AG@Z\ }
ef|Y2<P /////////////////////////////////////////////////////////////////////////////
5+ VdZ'@ function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
iVmf/N@A| 下:
SX*os$ /***********************************************************************
'6K WobXm Module:function.c
"\>
<UJ Date:2001/4/28
m;[z)-&" Author:ey4s
~LkReQI Http://www.ey4s.org CZ1tqAk- ***********************************************************************/
}3N8EmS #include
WL$WWA08_ ////////////////////////////////////////////////////////////////////////////
8xL-j2w BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
c) 1m4SB@ {
ku`'w;5jT TOKEN_PRIVILEGES tp;
t}TtWI LUID luid;
^DIN(0u) M0_K%Z(zaR if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
1L;3e@G {
OV2/? printf("\nLookupPrivilegeValue error:%d", GetLastError() );
xyzYY}PS return FALSE;
eL" +_lW }
GAP,$xAaW tp.PrivilegeCount = 1;
E[NszM[P tp.Privileges[0].Luid = luid;
/$NR@56
\ if (bEnablePrivilege)
#W9{3JGUY tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
i"`N5 else
^#gJf*'UE tp.Privileges[0].Attributes = 0;
l6T^e@* // Enable the privilege or disable all privileges.
:8t;_f AdjustTokenPrivileges(
#J'V,_wH hToken,
Suo%uD FALSE,
y$8S+N?> &tp,
1<G, 0Lt sizeof(TOKEN_PRIVILEGES),
@rP#ktz] (PTOKEN_PRIVILEGES) NULL,
laRn![[ (PDWORD) NULL);
A'aY H`j // Call GetLastError to determine whether the function succeeded.
M{t/B-'4 if (GetLastError() != ERROR_SUCCESS)
@$fvhEkrT@ {
oH(a*i printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
C1==a FD return FALSE;
eGW
h]% }
z2iWr return TRUE;
,7Dm p7 }
R$x(3eyx ////////////////////////////////////////////////////////////////////////////
OIs!,G| BOOL KillPS(DWORD id)
;TKsAU {
]tNB^ HANDLE hProcess=NULL,hProcessToken=NULL;
*P\OP'o_ BOOL IsKilled=FALSE,bRet=FALSE;
>~O/ZDu/@ __try
e7yn"kd {
:z`L) W'PW;., if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
"
1h~P, {
=d$m@rc0r printf("\nOpen Current Process Token failed:%d",GetLastError());
+^q-v- __leave;
yujv^2/ }
z
$iI //printf("\nOpen Current Process Token ok!");
q}]z8 L if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
F8J\#PW {
m'KEN<)s __leave;
IN@ =UAc& }
MSb0J ` printf("\nSetPrivilege ok!");
lvG+9e3+ 1QbD]"=n if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
* Na8w'Q {
0?''v>% printf("\nOpen Process %d failed:%d",id,GetLastError());
),@m
3wQ __leave;
:n OCs }
be]Zx`)k //printf("\nOpen Process %d ok!",id);
,_bG'Hmt if(!TerminateProcess(hProcess,1))
{
3Qlx/6< {
(Bss%\ printf("\nTerminateProcess failed:%d",GetLastError());
BO>[\!=y __leave;
s,j=Kym% }
pYj} IsKilled=TRUE;
p[%B#(]9, }
D.YT u$T __finally
Me-H'Mp~ {
#Wt1Ph_; if(hProcessToken!=NULL) CloseHandle(hProcessToken);
-K4 uqUp if(hProcess!=NULL) CloseHandle(hProcess);
AQs_(LR }
"4CO^ B return(IsKilled);
#VuiY }
{'o\#4Wk //////////////////////////////////////////////////////////////////////////////////////////////
Cdc=1,U( 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:
T*#< p; /*********************************************************************************************
npcL<$<6X ModulesKill.c
,Z(J; ~ Create:2001/4/28
t.]e8=dE Modify:2001/6/23
y<)q;fI7 Author:ey4s
9U!#Y%*T Http://www.ey4s.org F"a31`L>H PsKill ==>Local and Remote process killer for windows 2k
rlkg.e6 **************************************************************************/
6S?*z
`v #include "ps.h"
#+;0=6+SM #define EXE "killsrv.exe"
gX]'RBTb #define ServiceName "PSKILL"
.*L_*}tno /pz(s+4= #pragma comment(lib,"mpr.lib")
B3yp2tncj //////////////////////////////////////////////////////////////////////////
Q46sPMH+_ //定义全局变量
EYU3Pl% SERVICE_STATUS ssStatus;
y_Nn%(j SC_HANDLE hSCManager=NULL,hSCService=NULL;
WQ1*)h8,9 BOOL bKilled=FALSE;
6E.64+PJw char szTarget[52]=;
!Baq4V?KN //////////////////////////////////////////////////////////////////////////
_"sFLe{
BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
|79n
1;+\? BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
.8Gmy07 BOOL WaitServiceStop();//等待服务停止函数
}'Yk#Q BOOL RemoveService();//删除服务函数
)-d&XN7 /////////////////////////////////////////////////////////////////////////
Z#|IMmT;*= int main(DWORD dwArgc,LPTSTR *lpszArgv)
-_~T;cj6 {
n*i1QC BOOL bRet=FALSE,bFile=FALSE;
SK
{ALe char tmp[52]=,RemoteFilePath[128]=,
wvNddu>@ szUser[52]=,szPass[52]=;
S-)%# HANDLE hFile=NULL;
{;ur~KE DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
Ov9kD0S ]0)=0pc]E //杀本地进程
HtGGcO'bqg if(dwArgc==2)
oj~0zJI {
6"U)d7^ if(KillPS(atoi(lpszArgv[1])))
|DMa2}% printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
j%OnLTZ else
lBnG!!VrWa printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
N}j^55M_] lpszArgv[1],GetLastError());
`Hq)g1a7q return 0;
}mSfg }
3QzHQU //用户输入错误
=o+))R4 else if(dwArgc!=5)
6z80Y*|eJ {
mu =H&JC printf("\nPSKILL ==>Local and Remote Process Killer"
fF} NPl "\nPower by ey4s"
aqAWaO "\nhttp://www.ey4s.org 2001/6/23"
8k`rj; "\n\nUsage:%s <==Killed Local Process"
ok7yFm1\ "\n %s <==Killed Remote Process\n",
@}@J$ g lpszArgv[0],lpszArgv[0]);
I!sB$=n return 1;
-g]g }
&GH,is //杀远程机器进程
R2$;f?;: strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
f6Io|CZWJ strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
9K5[a^q|My strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
FGG7;0( ');QmN%J //将在目标机器上创建的exe文件的路径
RAW(lZ(
sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
FUj4y 9X __try
{^VvL'n {
z`[q$H7? //与目标建立IPC连接
?Em*yc@WD if(!ConnIPC(szTarget,szUser,szPass))
^UAL5}CQt {
)R`w{V printf("\nConnect to %s failed:%d",szTarget,GetLastError());
O[[#\BL return 1;
s`:-6{E }
|4s`;4c& printf("\nConnect to %s success!",szTarget);
+]%d'h //在目标机器上创建exe文件
30v 3C7o= uZ(j"y hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
vQpR0IEf]e E,
idr,s\$> NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
`Vqpo/ if(hFile==INVALID_HANDLE_VALUE)
)m Uc
!TP {
j7)Xm,wI8 printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
6{r^3Hz __leave;
.Z"p'v }
yEe4{j$ //写文件内容
UldG0+1d while(dwSize>dwIndex)
/Ma"a
^ {
oG )JH)! w3=Bj if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
}#/,nJm' {
e)~7pXYV) printf("\nWrite file %s
t%n3~i4X: failed:%d",RemoteFilePath,GetLastError());
0?",dTf3i __leave;
wcT0XXh }
{^xp?zpV dwIndex+=dwWrite;
XHu2G t_ }
t$z
FsFTQ //关闭文件句柄
D$RQD{* CloseHandle(hFile);
@,63% bFile=TRUE;
Jy x6{Oj //安装服务
4#z@B1Jx if(InstallService(dwArgc,lpszArgv))
,afh]# {
yH8
N 8 //等待服务结束
: qKxm( if(WaitServiceStop())
+Zx+DW cq {
z6K"}C% //printf("\nService was stoped!");
qd B@P }
':fq else
&Oq&ikw {
MT,LO<. //printf("\nService can't be stoped.Try to delete it.");
/2&