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。
;B;@MD,B OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
=''WA:,=h <1>与远程系统建立IPC连接
k~Q
5Cs <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
gKcBx6G
Q <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
Hj(K*z <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
=)G]\W)m <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
Caz5q|Oo <6>服务启动后,killsrv.exe运行,杀掉进程
d#XgO5eyO <7>清场
<.Pt%Kg^BS 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
$P#x>#+[A /***********************************************************************
_BY+Tfol Module:Killsrv.c
]l C2YD} Date:2001/4/27
IdMwpru( Author:ey4s
xY/F)JOeG Http://www.ey4s.org :iLRCK3C ***********************************************************************/
*];QPi~ #include
$)$r #include
^pH8'^n #include "function.c"
/qJC p![X #define ServiceName "PSKILL"
sVBr6
!v= Mtv{37k~ SERVICE_STATUS_HANDLE ssh;
H3*]}= SERVICE_STATUS ss;
V?'p E /////////////////////////////////////////////////////////////////////////
\<(EV,m2 void ServiceStopped(void)
n$XEazUb0N {
V9SL96'[I ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
S-}c_zbl; ss.dwCurrentState=SERVICE_STOPPED;
,*dLE ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
?hGE[.(eh] ss.dwWin32ExitCode=NO_ERROR;
=PQ4S2Q ss.dwCheckPoint=0;
3[y$$qXI ss.dwWaitHint=0;
_WvVF*Q"k SetServiceStatus(ssh,&ss);
J}[[tl return;
maDWV&Db }
9r+'DX?> /////////////////////////////////////////////////////////////////////////
Ww60-d}}Q void ServicePaused(void)
(sQXfeMz {
:*&c' ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
`"[qb ?z ss.dwCurrentState=SERVICE_PAUSED;
`A%WCd60Tc ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
tc[z/ ss.dwWin32ExitCode=NO_ERROR;
9od*N$ ss.dwCheckPoint=0;
c_S~{a44Ud ss.dwWaitHint=0;
S5u$I SetServiceStatus(ssh,&ss);
kS&>g return;
XVqkw@Ia4! }
U]gUGD!5x void ServiceRunning(void)
7M4J{}9 {
9PA<g3z ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
37kVJQcA1 ss.dwCurrentState=SERVICE_RUNNING;
^+CWo@. ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
L%(NXSfu7 ss.dwWin32ExitCode=NO_ERROR;
49M1^nMvoo ss.dwCheckPoint=0;
nIr`T^c9c ss.dwWaitHint=0;
eUZk|be SetServiceStatus(ssh,&ss);
#) :.1Z? return;
n[gE[kw }
d{Jk:@.1 /////////////////////////////////////////////////////////////////////////
1++g@8 void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
vG'#5%,| {
"^6Fh"] switch(Opcode)
jd-ccnR l {
.MG83Si case SERVICE_CONTROL_STOP://停止Service
KUYwc@si\ ServiceStopped();
=f
y|Dm74 break;
` 6*]c n#( case SERVICE_CONTROL_INTERROGATE:
lH`TF_ SetServiceStatus(ssh,&ss);
h2T\%V_j break;
_J!&R:]$ }
/{`"X_.o return;
&.?E[db"h }
s5{=lP //////////////////////////////////////////////////////////////////////////////
l*z%Jw //杀进程成功设置服务状态为SERVICE_STOPPED
|u?VlRt //失败设置服务状态为SERVICE_PAUSED
_"B.V( //
xl`AiO `K void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
zs Q|LwQ {
{icTfPR4E ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
("t'XKP&N if(!ssh)
,>rvl P {
mi<Q3;m ServicePaused();
QEf@wv;T return;
-*4*hHmb }
3.?be.cq ServiceRunning();
?R#$
c] Sleep(100);
C{pOGc@ //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
Z3hZy&_I //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
_3@5@1[s if(KillPS(atoi(lpszArgv[5])))
YmaS,Q- ServiceStopped();
Nz.X$zUmY else
;10YG6: ServicePaused();
i(;`x return;
YIg43Av }
z8ZQL.z%h /////////////////////////////////////////////////////////////////////////////
Ve|:k5z void main(DWORD dwArgc,LPTSTR *lpszArgv)
f0sGE5 {
"E\mj'k SERVICE_TABLE_ENTRY ste[2];
$Y6\m` ste[0].lpServiceName=ServiceName;
\H:T)EVy ste[0].lpServiceProc=ServiceMain;
J??AU0vh ste[1].lpServiceName=NULL;
Jg[Ao#,== ste[1].lpServiceProc=NULL;
]}N01yw|s StartServiceCtrlDispatcher(ste);
`8W HVC$ return;
#DFi-o&- }
[z2UfHpt~ /////////////////////////////////////////////////////////////////////////////
_C?Wk: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
}|=/v(D 下:
]5S`y{j1 /***********************************************************************
lJ-PW\P Module:function.c
XP?jsBE Date:2001/4/28
QcQ%A%VIV Author:ey4s
|A'I!Jm Http://www.ey4s.org kJ FWk ***********************************************************************/
\(P?=] - #include
E|f[#+:+ ////////////////////////////////////////////////////////////////////////////
Ha-]U:Vcx BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
U[f00m5{HV {
{:uv}4 Z TOKEN_PRIVILEGES tp;
BNNM$.ZIQ LUID luid;
rnj$u-8 j0mN4Ny if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
i)|jLrW~e {
6EyPZ{ printf("\nLookupPrivilegeValue error:%d", GetLastError() );
ZK^cG'^2| return FALSE;
&}k7iaO }
&R<aRE:+R tp.PrivilegeCount = 1;
@!f4>iUy tp.Privileges[0].Luid = luid;
X n!mdR if (bEnablePrivilege)
O[ird`/ tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
j
%gd:-tA else
+,>%Yb=EA tp.Privileges[0].Attributes = 0;
F,p0OL. // Enable the privilege or disable all privileges.
@h{|tP%" AdjustTokenPrivileges(
W[O]Aal{ hToken,
^-~JkW'z FALSE,
?x #K:a? &tp,
zW%Em81Wd sizeof(TOKEN_PRIVILEGES),
%DKFF4k (PTOKEN_PRIVILEGES) NULL,
JyMk @Y (PDWORD) NULL);
M/Yr0"%Q<. // Call GetLastError to determine whether the function succeeded.
+`Z1L\gmA if (GetLastError() != ERROR_SUCCESS)
zg<-%r'$ {
*tF~CG$r printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
:9UgERjra return FALSE;
]WDmx$"&e }
^b+>r return TRUE;
RtMI[ }
v<!S_7h ////////////////////////////////////////////////////////////////////////////
kKSGC?d BOOL KillPS(DWORD id)
xGwImF$r {
;3cbXc@] HANDLE hProcess=NULL,hProcessToken=NULL;
#_ |B6!D! BOOL IsKilled=FALSE,bRet=FALSE;
}R['Zoh4I __try
[v"Z2F<.= {
`3rwqcxA Wgls+<l8 if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
ljNwt {
! dzgi: printf("\nOpen Current Process Token failed:%d",GetLastError());
c}o 6Rm50 __leave;
"17)`Yf }
f)/Z7*Z //printf("\nOpen Current Process Token ok!");
Iy9hBAg\y if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
|q77 {
+H2Jhgi __leave;
Y7}>yC/GY }
:G1ddb&0+ printf("\nSetPrivilege ok!");
?J\&yJ_B }]vUr}Els if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
:DN!1~ZtW {
+'?Qph6o,7 printf("\nOpen Process %d failed:%d",id,GetLastError());
%hnBpz __leave;
PdcIHN }
k5S;G"iJ //printf("\nOpen Process %d ok!",id);
2!/Kt
O)i^ if(!TerminateProcess(hProcess,1))
wGArR7r {
LlQsc{Ddf printf("\nTerminateProcess failed:%d",GetLastError());
6L<:>55 __leave;
3^o(\=-JX }
k6Kc{kY IsKilled=TRUE;
fc9;ZX7 }
Ap
dXsL __finally
R{#< NE {
l$;"yVdks if(hProcessToken!=NULL) CloseHandle(hProcessToken);
9* )&hhBs, if(hProcess!=NULL) CloseHandle(hProcess);
dEoIVy _9R }
c|Ivet>3 return(IsKilled);
nj[TTndJt }
`>:5[Y //////////////////////////////////////////////////////////////////////////////////////////////
.{1$;K @ OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候,把killsrv.exe COPY到远程系统上,那么就需要提供两个exe文件给用户,这样显得不是很专业,呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧,这样在运行的时候,我们直接把buff中的内容写过去,这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下:
+94)BxrY /*********************************************************************************************
&bsq;)wzs ModulesKill.c
xo"GNFh! Create:2001/4/28
cfLLFPhv) Modify:2001/6/23
XNYA\%:5S Author:ey4s
;>J!$B?, Http://www.ey4s.org T+0=Ou"N PsKill ==>Local and Remote process killer for windows 2k
ob.<j **************************************************************************/
Bs~~C8+ #include "ps.h"
n1f8jS+'} #define EXE "killsrv.exe"
]" 'yf;g #define ServiceName "PSKILL"
@Po5AK3cy q#K{~: #pragma comment(lib,"mpr.lib")
-N45ni87 //////////////////////////////////////////////////////////////////////////
w+br) //定义全局变量
gmL~n7m:K SERVICE_STATUS ssStatus;
hw
DxGiU SC_HANDLE hSCManager=NULL,hSCService=NULL;
fq7#rZCxX BOOL bKilled=FALSE;
"Oxr}^% i char szTarget[52]=;
hLO)-ueb //////////////////////////////////////////////////////////////////////////
yE$PLM BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
R}&?9tVRR BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
uwNJM BOOL WaitServiceStop();//等待服务停止函数
,-c,3/tyA BOOL RemoveService();//删除服务函数
66v,/#K /////////////////////////////////////////////////////////////////////////
7d: ]o> int main(DWORD dwArgc,LPTSTR *lpszArgv)
/G||_Hc {
> G\0Z[<v, BOOL bRet=FALSE,bFile=FALSE;
gQ+]N*. char tmp[52]=,RemoteFilePath[128]=,
\`n(JV szUser[52]=,szPass[52]=;
NdXHpq; HANDLE hFile=NULL;
c+:ZmrP/ DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
Y+?QHtZL RM2Ik_IH[l //杀本地进程
ewMVUq*: if(dwArgc==2)
F]$ Nu {
mrTf["K if(KillPS(atoi(lpszArgv[1])))
Ni_H1G printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
@ st>#]i4 else
dN{At- printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
y~9wxK lpszArgv[1],GetLastError());
O<m46mwM return 0;
@kYY1m v; }
|9E:S //用户输入错误
5GsmBf$RUb else if(dwArgc!=5)
TDh)}Ms {
+IdM|4$\1 printf("\nPSKILL ==>Local and Remote Process Killer"
'n &p5% "\nPower by ey4s"
iQG!-.aX "\nhttp://www.ey4s.org 2001/6/23"
V}E['fzBFV "\n\nUsage:%s <==Killed Local Process"
o0H^J,6gV "\n %s <==Killed Remote Process\n",
`Y&`2WZ ~ lpszArgv[0],lpszArgv[0]);
$S6(V}yh return 1;
Rh'z;Gyr }
>q}3#TvP@ //杀远程机器进程
>F$9&s& strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
QQJGqM3a2 strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
s9?mX@>h strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
{ 53FR H=/1d.p //将在目标机器上创建的exe文件的路径
]iV]7g8: sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
<5zR-UA> __try
oC&}lp)q {
omfX2Oa2 //与目标建立IPC连接
A*h8 o9M if(!ConnIPC(szTarget,szUser,szPass))
W|PAI[N {
vXJs.)D7 printf("\nConnect to %s failed:%d",szTarget,GetLastError());
|IAx!Z-P return 1;
ndSu-8?L }
E>fY,*0 printf("\nConnect to %s success!",szTarget);
nW=6nCyvo //在目标机器上创建exe文件
x;mw?B[ 9{pT)(Wnb hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
8lF9LZ8 E,
}QE.|.fA1 NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
;}B=g/C if(hFile==INVALID_HANDLE_VALUE)
m$8siF{<q {
#qd!_oN printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
>tg)F|@ __leave;
4H8r[ }
(Jq m9 //写文件内容
5_^d3LOT0x while(dwSize>dwIndex)
i\xs!QU {
hb[ThQ ?$pNd uE if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
@nH3nn {
q;K]NP-_p printf("\nWrite file %s
@&*TGU failed:%d",RemoteFilePath,GetLastError());
KXWcg#zFY __leave;
[}L?EM }
0:{W
t dwIndex+=dwWrite;
Bc=(1ty) }
M+t)#O4 //关闭文件句柄
Zg+.`>z CloseHandle(hFile);
igu1s}F bFile=TRUE;
{4+/0\ //安装服务
:!i=g+e] if(InstallService(dwArgc,lpszArgv))
tQ}GTqk {
g~<[;6&