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。
[`\VgKeu OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
j~-N2b6z <1>与远程系统建立IPC连接
Y\]ZIvTSb <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
)}@D\(/@ <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
~v;I>ij <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
nHdQe <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
XHk"nbj <6>服务启动后,killsrv.exe运行,杀掉进程
*#Cx-J <7>清场
oe|#!SM( 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
`q*[fd1u. /***********************************************************************
=OHX5:Z Module:Killsrv.c
5~[7|Y Date:2001/4/27
_nMd Author:ey4s
5^g* Http://www.ey4s.org R5uG.Oj-2 ***********************************************************************/
bw P=f. #include
,>a!CnK= #include
j&d5tgLB #include "function.c"
, _e[P #define ServiceName "PSKILL"
>3uNh:|>/ ,eyh%k*hz SERVICE_STATUS_HANDLE ssh;
8_('[89m SERVICE_STATUS ss;
u9hd%}9Qd? /////////////////////////////////////////////////////////////////////////
Ou_H&R void ServiceStopped(void)
q5(t2nNb {
M&V'*.xz ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
xS,24{-HJ ss.dwCurrentState=SERVICE_STOPPED;
QRQZ{m ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
9eMle?pF ss.dwWin32ExitCode=NO_ERROR;
G"<#tif9K ss.dwCheckPoint=0;
7?Wte&C];p ss.dwWaitHint=0;
..)J6L5l SetServiceStatus(ssh,&ss);
$l]:2!R return;
E!9WZY }
k H.dtg_ /////////////////////////////////////////////////////////////////////////
r:g\ void ServicePaused(void)
f$C{Z9_SX {
EqW~K@ ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
L
kK
*. ss.dwCurrentState=SERVICE_PAUSED;
Ul}RT xJ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
DSU8jnrL ss.dwWin32ExitCode=NO_ERROR;
vE:*{G;Y ss.dwCheckPoint=0;
keAoJeG,J ss.dwWaitHint=0;
EQm{qc; SetServiceStatus(ssh,&ss);
&: Q'X return;
a^R?w|zCX }
Bh3F4k2bg7 void ServiceRunning(void)
}>@\I^Xm, {
!Km[Qw
k- ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
?})A-$f ~ ss.dwCurrentState=SERVICE_RUNNING;
i>Q!5 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
dCd~]CI ss.dwWin32ExitCode=NO_ERROR;
<\&9Odqc ss.dwCheckPoint=0;
TR DQ+Z ss.dwWaitHint=0;
*S,~zOYN SetServiceStatus(ssh,&ss);
lfgJQzi
G return;
lz,M$HG<[ }
xi5"?*&Sb /////////////////////////////////////////////////////////////////////////
;st0Ekni) void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
?M4o>T%p " {
5CY%h switch(Opcode)
b@Oq}^a&o {
gNCS*a case SERVICE_CONTROL_STOP://停止Service
=D`8,n [ ServiceStopped();
Scrj%h%[ break;
xo[o^go case SERVICE_CONTROL_INTERROGATE:
.t "VsY| SetServiceStatus(ssh,&ss);
_?~%+Oz/ break;
T8^9*]:@c! }
f^F;`;z return;
V
0Bl6 }
>d + }$dB //////////////////////////////////////////////////////////////////////////////
b$_81i //杀进程成功设置服务状态为SERVICE_STOPPED
7gC?<;\0 //失败设置服务状态为SERVICE_PAUSED
!.vyzCJTzB //
IoDT void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
r: K1PO {
}+@9[Q
L ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
MAek856 if(!ssh)
o "VKAP {
d[a(uWEl ServicePaused();
J,Sa7jv[ return;
#3&@FzD_P }
=CLPz8 ServiceRunning();
"hk#pQ Sleep(100);
e*:K79y //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
| v!N1+v0 //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
QOWGQl%! if(KillPS(atoi(lpszArgv[5])))
Bj@>iw?g' ServiceStopped();
;R?@
D] else
0AB a&'h ServicePaused();
ofy"SM return;
CWdsOS= }
T fLqxioqZ /////////////////////////////////////////////////////////////////////////////
J"r?F0 void main(DWORD dwArgc,LPTSTR *lpszArgv)
(D>_O$o {
V^_A{\GK SERVICE_TABLE_ENTRY ste[2];
{-Y;! ste[0].lpServiceName=ServiceName;
:iE b^F} ste[0].lpServiceProc=ServiceMain;
@](vFb ste[1].lpServiceName=NULL;
UoT`/. ste[1].lpServiceProc=NULL;
`zQuhD 8W StartServiceCtrlDispatcher(ste);
^')8-aF
. return;
2) X#&IE }
~q`!928Gu /////////////////////////////////////////////////////////////////////////////
U6.aoqb% function.c中有两个函数,一个是提升权限的,一个是提供进程ID,杀进程的。代码如
!ho^:}m 下:
6
U.Jaai: /***********************************************************************
M$K%e Module:function.c
*'Yy@T8M Date:2001/4/28
VF?H0}YSHb Author:ey4s
EX]+e Http://www.ey4s.org
)-2Nc7 ***********************************************************************/
xi (@\A #include
B;9,Qbb ////////////////////////////////////////////////////////////////////////////
# h; BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
'@{:FrG*U {
Vl_6nY; TOKEN_PRIVILEGES tp;
si0}b~t LUID luid;
&da=hc,>% C$w%!
jE if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
u^2`$W {
CNNqS^ct printf("\nLookupPrivilegeValue error:%d", GetLastError() );
[> HKRVy return FALSE;
[mtp-4* }
ob7'''i tp.PrivilegeCount = 1;
VX)8pV$ tp.Privileges[0].Luid = luid;
65LtCQ} if (bEnablePrivilege)
*;A ;)' tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
D \ rns+ else
|1@O>GG tp.Privileges[0].Attributes = 0;
dseI~} // Enable the privilege or disable all privileges.
ZLQmEF[> AdjustTokenPrivileges(
!#0)`4O hToken,
j<^!"_G]*? FALSE,
5%,3)H{;t &tp,
r^
r+h[V sizeof(TOKEN_PRIVILEGES),
_}R$h=YD (PTOKEN_PRIVILEGES) NULL,
Z
'5itN^ (PDWORD) NULL);
YSnh2 Bq // Call GetLastError to determine whether the function succeeded.
J9T2 p\5 if (GetLastError() != ERROR_SUCCESS)
7@c!4hmrU {
Zmu printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
B}"R@;N return FALSE;
3fOOT7!FL }
MzvhE0ab return TRUE;
tD8fSV }
/zIG5RK> ////////////////////////////////////////////////////////////////////////////
kz=ho~ @ BOOL KillPS(DWORD id)
3bRxV
@0. {
Gk:fw#R HANDLE hProcess=NULL,hProcessToken=NULL;
DGFSD Py[ BOOL IsKilled=FALSE,bRet=FALSE;
FvsVfV U __try
j^jC| {
S`-I-VS=L Z`-$b~0 if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
?1=.scmgDG {
fJ}e printf("\nOpen Current Process Token failed:%d",GetLastError());
i c{I __leave;
x;vfmgty }
$0Y`>3 //printf("\nOpen Current Process Token ok!");
Z %pc" if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
\,;glY=M! {
NO5k1/- __leave;
n.+*_c8 k }
@<W` w printf("\nSetPrivilege ok!");
Iy)1(upM Jh+;+" if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
24wDnDyh {
P-X|qVNK1Z printf("\nOpen Process %d failed:%d",id,GetLastError());
I9kz)Q o __leave;
dS1HA>c)O }
>LPb>t5%p //printf("\nOpen Process %d ok!",id);
Fyvo;1a if(!TerminateProcess(hProcess,1))
e'mF1al {
\Z5Wp5az}, printf("\nTerminateProcess failed:%d",GetLastError());
wUvE __leave;
jIKg* @ }
n@pwOHQn<| IsKilled=TRUE;
ed'[_T}T3t }
c]pz& __finally
"~Fg-{jM% {
rmg\Pa8W> if(hProcessToken!=NULL) CloseHandle(hProcessToken);
U5"u
h} 3 if(hProcess!=NULL) CloseHandle(hProcess);
"kApGNB }
8u*<GbKGI return(IsKilled);
z83v
J*. }
a?gF;AYk //////////////////////////////////////////////////////////////////////////////////////////////
~gX1n9_n 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:
uyX
%&r /*********************************************************************************************
s#7"ZN ModulesKill.c
#IH9S5B [ Create:2001/4/28
~W@dF~r Modify:2001/6/23
OP!R>| Author:ey4s
(aYu[ML Http://www.ey4s.org ?e9tnk3 PsKill ==>Local and Remote process killer for windows 2k
21!X[)r **************************************************************************/
Y1cL dQn #include "ps.h"
$#V'm{Hh #define EXE "killsrv.exe"
4&E"{d
> #define ServiceName "PSKILL"
|5flvkid >33=0< #pragma comment(lib,"mpr.lib")
Y%i<~"k //////////////////////////////////////////////////////////////////////////
56C8)? //定义全局变量
mAlG}< SERVICE_STATUS ssStatus;
K+Him]
b SC_HANDLE hSCManager=NULL,hSCService=NULL;
Dbn~~P BOOL bKilled=FALSE;
e"866vc, char szTarget[52]=;
k _t|)
J //////////////////////////////////////////////////////////////////////////
aQoB1qd8 BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
Q7x[08TI BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
1V,@uY)s BOOL WaitServiceStop();//等待服务停止函数
fDr$Wcd~ BOOL RemoveService();//删除服务函数
'6zZ`Ll9 /////////////////////////////////////////////////////////////////////////
#JYl%=#, int main(DWORD dwArgc,LPTSTR *lpszArgv)
@>2]zMFf {
:s_o'8z7L BOOL bRet=FALSE,bFile=FALSE;
"e-z2G@z char tmp[52]=,RemoteFilePath[128]=,
knO
X5UnS szUser[52]=,szPass[52]=;
co,0@.i HANDLE hFile=NULL;
];5J DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
mX|M]^_,z B2r[oT R //杀本地进程
TX5??o if(dwArgc==2)
FKL4`GEm {
j+3\I> if(KillPS(atoi(lpszArgv[1])))
EI=~*&t printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
";U~wZW_ else
aH;AGbp printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
e\~nqKCb lpszArgv[1],GetLastError());
sd4eG return 0;
D@p{EH }
A"r<$S6 //用户输入错误
Kjbk
zc1 else if(dwArgc!=5)
Sk
EI51] {
9o,Eqx4J printf("\nPSKILL ==>Local and Remote Process Killer"
2:Yvr_L "\nPower by ey4s"
w*{{bISw| "\nhttp://www.ey4s.org 2001/6/23"
W$]qo|2P "\n\nUsage:%s <==Killed Local Process"
8K2 @[TE=5 "\n %s <==Killed Remote Process\n",
lAnOO5@8 lpszArgv[0],lpszArgv[0]);
~;?mD/0k return 1;
v[|-`e* }
~j{c9EDT| //杀远程机器进程
zsQ]U!*rD strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
oY ~q^Y strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
]6(%tU strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
yoGG[l2k>s l|+$4 Nb2 //将在目标机器上创建的exe文件的路径
O+&;,R: sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
$j,$O>V __try
f5//?ek {
'-myOM7 //与目标建立IPC连接
6}Y==GPt if(!ConnIPC(szTarget,szUser,szPass))
nql1I<I {
-f ? printf("\nConnect to %s failed:%d",szTarget,GetLastError());
nU= return 1;
E3a^"V3p }
ok6t|
7sq printf("\nConnect to %s success!",szTarget);
Gt{%O>P8t //在目标机器上创建exe文件
5~pxu kmW/{I9,ua hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
TgJ+:^+0 E,
Wx}-H/t'2 NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
M2V`|19Q if(hFile==INVALID_HANDLE_VALUE)
U
_pPI$ = {
OfrzmL<K printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
X:t?'41m\ __leave;
P7>\j*U91{ }
F
u5zj\0J //写文件内容
cQ$[Ba while(dwSize>dwIndex)
7/M[T\c {
sI6*.nR # [i3cn
if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
N5W!(h) {
.Ao
_cx printf("\nWrite file %s
?6"U('y>n failed:%d",RemoteFilePath,GetLastError());
'-(Z.e~e __leave;
"KF]s. }
!pj&