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。
wZUR OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
QJ-?67_i <1>与远程系统建立IPC连接
(vf5qF^ <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
(G6N@>V(` <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
./;*LD <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
> 'KQL?!F <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
3# T_( <6>服务启动后,killsrv.exe运行,杀掉进程
,o j\=2 <7>清场
:WnXoL 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
>'zp /***********************************************************************
x5Ee'G( Module:Killsrv.c
}tT*Ch?u Date:2001/4/27
9^c"HyR Author:ey4s
{VE$i2nC8 Http://www.ey4s.org P X<,/6g z ***********************************************************************/
Mky8qVQ2 #include
=1vVITwl #include
[f'DxZF- #include "function.c"
CSooJ1Ep~' #define ServiceName "PSKILL"
Iq[,)$ $/(H%f& SERVICE_STATUS_HANDLE ssh;
a?!Joi[ SERVICE_STATUS ss;
NeyGIEP /////////////////////////////////////////////////////////////////////////
/`Lki>" void ServiceStopped(void)
W\<5'9LNb {
HCifO ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
,P d2ZfZ ss.dwCurrentState=SERVICE_STOPPED;
[%8+Fa~Wa ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
"]`QQT-{0 ss.dwWin32ExitCode=NO_ERROR;
DDhc ^( ss.dwCheckPoint=0;
j{'@g[HW ss.dwWaitHint=0;
gB@Wv91 SetServiceStatus(ssh,&ss);
.tb~f@xL return;
ARu^hz= }
5+O#5"v_ /////////////////////////////////////////////////////////////////////////
<cz~q=%v2& void ServicePaused(void)
wB(
igPi {
l9.wMs*`X ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
),6Z1 K1 ss.dwCurrentState=SERVICE_PAUSED;
c$'UfW ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
*WgP+"h ss.dwWin32ExitCode=NO_ERROR;
&WHEP dD ss.dwCheckPoint=0;
6A/|XwfE/v ss.dwWaitHint=0;
K~WwV8c9; SetServiceStatus(ssh,&ss);
Ja#idF[V return;
Z
[5HI; }
qQ6NxhQo
void ServiceRunning(void)
9aC>gye! {
HF\L`dJX? ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
tI C_/
6 ss.dwCurrentState=SERVICE_RUNNING;
q&
Vt* ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
Yazpfw 7'd ss.dwWin32ExitCode=NO_ERROR;
3r{'@Y
=)Y ss.dwCheckPoint=0;
es(vWf' ss.dwWaitHint=0;
W:>RstbnMG SetServiceStatus(ssh,&ss);
%]Nz54! return;
I>-jKSkwc }
tZXtt=M w /////////////////////////////////////////////////////////////////////////
MOmp{@ void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
a Ts_5q {
^HL#)fK2I switch(Opcode)
XfsCu> {
X>|.BvY| case SERVICE_CONTROL_STOP://停止Service
N]yk<55 ServiceStopped();
knBT(x'+ break;
6<t\KMd case SERVICE_CONTROL_INTERROGATE:
73.o{V SetServiceStatus(ssh,&ss);
g%=\Wiit] break;
nhCB])u8l }
+TAm9eDNV return;
m9xu$z|e }
a3lo;Cfp //////////////////////////////////////////////////////////////////////////////
XLbrE|0A? //杀进程成功设置服务状态为SERVICE_STOPPED
h=4{.EegG& //失败设置服务状态为SERVICE_PAUSED
V`WfJ>{;Z //
y~S[0]y> void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
ypd {
up2%QbN( ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
^LC5orO if(!ssh)
iZyk2kc {
,.}PZL ServicePaused();
puqH%m+u return;
(%fGS.TR }
*,-YWx4 ServiceRunning();
P7y[9|^ Sleep(100);
tc,7yo\". //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
QX]tD4OH //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
(I~,&aBr if(KillPS(atoi(lpszArgv[5])))
m#;:%.Rm ServiceStopped();
MA-$aN_( else
ga~vQ7I_ ServicePaused();
Zz3#Kt5t3 return;
#uXOyiE }
Y+=@5+G /////////////////////////////////////////////////////////////////////////////
(wY%$kW4 void main(DWORD dwArgc,LPTSTR *lpszArgv)
gCm?nb) {
Xs`:XATb/ SERVICE_TABLE_ENTRY ste[2];
ev guw*u ste[0].lpServiceName=ServiceName;
yauP j&^R ste[0].lpServiceProc=ServiceMain;
d,)F #;^5 ste[1].lpServiceName=NULL;
Z.mV fy% ste[1].lpServiceProc=NULL;
<m6I)}K StartServiceCtrlDispatcher(ste);
p$%h!.~99T return;
}.gg!V'9w }
ytC{E_ /////////////////////////////////////////////////////////////////////////////
0'~b<>G% 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
PvB?57wkF 下:
F'~/ /***********************************************************************
P`%ppkzV6 Module:function.c
*HXq`B Date:2001/4/28
X%F9.<4 Author:ey4s
AeJM[fCMa Http://www.ey4s.org f%}+.eD ***********************************************************************/
jN<]yhqf #include
slmxit ////////////////////////////////////////////////////////////////////////////
.BUl$RW| BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
?rK%;GTo {
1aDDl-8, TOKEN_PRIVILEGES tp;
!S-hv1bE LUID luid;
Z{CL! T8(wzs if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
$tKATL* {
LK%B6-;~- printf("\nLookupPrivilegeValue error:%d", GetLastError() );
SBoF(0< return FALSE;
G_<[sMC8 }
~^C7(g ) tp.PrivilegeCount = 1;
Kk(ucO tp.Privileges[0].Luid = luid;
cU6#^PFu if (bEnablePrivilege)
E0hp%: tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
s*X\%!l9 else
&B85; tp.Privileges[0].Attributes = 0;
ii2Z}qe // Enable the privilege or disable all privileges.
C}kJGi AdjustTokenPrivileges(
$P@cS1sB hToken,
}2.}fHb2 FALSE,
,Df36-74v5 &tp,
:58'U| sizeof(TOKEN_PRIVILEGES),
]VH@\
f (PTOKEN_PRIVILEGES) NULL,
WuQYEbap (PDWORD) NULL);
8{l=`y"nB // Call GetLastError to determine whether the function succeeded.
.0-m=3mp2 if (GetLastError() != ERROR_SUCCESS)
yy74>K {
? 7EVmF printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
d&u/7rm return FALSE;
4a |Fx }
'9dtIW6E return TRUE;
Om"3Q/& }
Mfr#IzNHN ////////////////////////////////////////////////////////////////////////////
Ny'v/+nQ BOOL KillPS(DWORD id)
UmE{>5Pt {
\|t0~sRwh HANDLE hProcess=NULL,hProcessToken=NULL;
y~=hM
BOOL IsKilled=FALSE,bRet=FALSE;
i+Dgw __try
csM|VNE> {
614/wI8( 9"RfL7{ if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
rQm {
8'[wa printf("\nOpen Current Process Token failed:%d",GetLastError());
-8jqC6mQ __leave;
\@3 }
&NQR*Tn //printf("\nOpen Current Process Token ok!");
fYjsSUnf if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
]."c4S_)| {
W>bW1h __leave;
kw~H%-,] }
$Ig,cTR.b printf("\nSetPrivilege ok!");
S:uEK SkA'+( if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
XXcf!~uO {
EXcj F printf("\nOpen Process %d failed:%d",id,GetLastError());
xi\RUAW __leave;
`VE&Obp[ }
P$ef,ZW" //printf("\nOpen Process %d ok!",id);
Hu7zmh5FF if(!TerminateProcess(hProcess,1))
[\
YP8^.. {
rM=A" printf("\nTerminateProcess failed:%d",GetLastError());
yjR
O9 __leave;
Kc\'s65.] }
,b(S=r IsKilled=TRUE;
<'_GQM`G }
%Nl(Y@dD* __finally
@e0skc {
[s{:}ZuKc if(hProcessToken!=NULL) CloseHandle(hProcessToken);
f4T0Y["QA if(hProcess!=NULL) CloseHandle(hProcess);
.6F3;bg R7 }
I?g__u=n~ return(IsKilled);
@qy*R'+ }
b[;3KmUB //////////////////////////////////////////////////////////////////////////////////////////////
'aP*++^ 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:
}2A1Yt:^P /*********************************************************************************************
==Mi1Q#5C ModulesKill.c
&:#8ol(n5b Create:2001/4/28
E}vO*ZZEw Modify:2001/6/23
:fVMM7 Author:ey4s
'f7
*RSKqb Http://www.ey4s.org ydqmuZ%2h# PsKill ==>Local and Remote process killer for windows 2k
]q7 LoH'S **************************************************************************/
+%\j$Pv #include "ps.h"
7U`S9DDwq #define EXE "killsrv.exe"
o>-v?Ug #define ServiceName "PSKILL"
s7i.p] cgXF|'yI&l #pragma comment(lib,"mpr.lib")
cloSJmUlQ //////////////////////////////////////////////////////////////////////////
e@-Mlq) //定义全局变量
{/xs9.8:JX SERVICE_STATUS ssStatus;
TK/'=8 SC_HANDLE hSCManager=NULL,hSCService=NULL;
W.D3$ BOOL bKilled=FALSE;
`A _8nW) char szTarget[52]=;
,Z7Z!.TY! //////////////////////////////////////////////////////////////////////////
`$SEkYdt BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
AE4~M`6D BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
x<\D@X^ BOOL WaitServiceStop();//等待服务停止函数
4
6lEJ BOOL RemoveService();//删除服务函数
hYXZ21(K# /////////////////////////////////////////////////////////////////////////
a`~eC)T int main(DWORD dwArgc,LPTSTR *lpszArgv)
H!.D2J {
z12But\< BOOL bRet=FALSE,bFile=FALSE;
5vF}F^ char tmp[52]=,RemoteFilePath[128]=,
9Y%?)t.2 szUser[52]=,szPass[52]=;
'(X[
w=WXy HANDLE hFile=NULL;
za]p,bMX DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
ZHF(q6T L##8+OJ.L //杀本地进程
Y
<Znv%M if(dwArgc==2)
80$0zbw$ {
W>0"CUp if(KillPS(atoi(lpszArgv[1])))
SCurO9RN printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
Itr7lv'5xx else
$,;S\JmWP printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
%[nR|a< lpszArgv[1],GetLastError());
wt}%2x} x return 0;
IypWVr }
fi&uB9hc //用户输入错误
~y)bYG!G else if(dwArgc!=5)
EDHg'q {
{x[;5TM printf("\nPSKILL ==>Local and Remote Process Killer"
z9M.e. "\nPower by ey4s"
|}M0,AS "\nhttp://www.ey4s.org 2001/6/23"
x[vBK8 "\n\nUsage:%s <==Killed Local Process"
skI(]BDf "\n %s <==Killed Remote Process\n",
rv}mD lpszArgv[0],lpszArgv[0]);
v]:+`dV return 1;
5 o#<`_=J }
\L ] //杀远程机器进程
hV-VeKjZ( strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
qX5yN| A4 strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
J%\- 1 strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
jC%35bi c~^CKgr~R9 //将在目标机器上创建的exe文件的路径
1yBt/U2 sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
D0/DI __try
C,A!tj7@ {
Q(510) //与目标建立IPC连接
1~2R^#rm if(!ConnIPC(szTarget,szUser,szPass))
MzQ\rg_B7 {
F$Im9T6 printf("\nConnect to %s failed:%d",szTarget,GetLastError());
OXHvT/L` return 1;
Vi|7%!j< }
TN35CaSmq printf("\nConnect to %s success!",szTarget);
NunV8atn: //在目标机器上创建exe文件
G'f9N^w (j' {~FB hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
/!3ZW XY\ E,
)Hbb&F NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
e>l,(ql if(hFile==INVALID_HANDLE_VALUE)
]~-*hOcQ4 {
0K<x=-cCB printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
jn-QKdqM __leave;
\q~w<%9Dq }
xvU]jl6d //写文件内容
9!9>
?Z while(dwSize>dwIndex)
;%' b;+ {
(1 CJw: iF!mV5# if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
#s"851e {
L#D9@V'z printf("\nWrite file %s
?c!:81+\ failed:%d",RemoteFilePath,GetLastError());
B?LXI3sQZ __leave;
s/
M7Zl }
><;Q@u5~ dwIndex+=dwWrite;
s]U4B<q }
v"Me {+ //关闭文件句柄
!(Krf CloseHandle(hFile);
g\Wj+el} bFile=TRUE;
(}Sr08m //安装服务
<FY&h# if(InstallService(dwArgc,lpszArgv))
}e 9!xA {
]q{
PDZ
//等待服务结束
x?"#gK`3; if(WaitServiceStop())
aD9rp
V {
Jf7frzw
//printf("\nService was stoped!");
B'-I{~'/ }
}j46L1T else
fN-Gk(Ic {
z{:-!oF&CB //printf("\nService can't be stoped.Try to delete it.");
f~=r*&U }
X7aYpt; Sleep(500);
I&Jt> O4 //删除服务
&