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。
JA6#qlylL OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
kntn9G <1>与远程系统建立IPC连接
4k=LVu]Kcr <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
"5$2b>_UE <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
tp3
!6I6 <4>调用函数CreateService在远程系统创建一个服务,服务指向的程序是在<2>中写入的程序killsrv.exe
@"BkLF <5>调用函数StartService启动刚才创建的服务,把想杀掉的进程的ID作为参数传递给它
|Ht~o(]&&/ <6>服务启动后,killsrv.exe运行,杀掉进程
Te&5IB- <7>清场
JReJlDu 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
FKkL%:? /***********************************************************************
vo]$[Cp|4 Module:Killsrv.c
]s^Pw>/` Date:2001/4/27
HT=-mwa_] Author:ey4s
#P-T4R Http://www.ey4s.org ($^=f }+ ***********************************************************************/
LP5@ID2G #include
tJZ3P@ L #include
|j~{gfpSE #include "function.c"
gjex; h #define ServiceName "PSKILL"
GF^?#Jh y@u,Mv SERVICE_STATUS_HANDLE ssh;
Lsz)\yIPj SERVICE_STATUS ss;
.V\:)\<| /////////////////////////////////////////////////////////////////////////
Ox}a\B8 void ServiceStopped(void)
~ZZJ/Cu {
3q:>NB< ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
}|(v0] ss.dwCurrentState=SERVICE_STOPPED;
gqQ"'SRw ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
Rkz[x ss.dwWin32ExitCode=NO_ERROR;
_t;Mi/\P ss.dwCheckPoint=0;
W)m\q}]FYz ss.dwWaitHint=0;
WxI_wRKx SetServiceStatus(ssh,&ss);
vHxLn/ return;
8d*W7>rq }
@DA.$zn& /////////////////////////////////////////////////////////////////////////
s!F`
0=J^ void ServicePaused(void)
u(Y?2R {
;`-@L ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
L&h90Az1W ss.dwCurrentState=SERVICE_PAUSED;
)NL_))\ ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
a) 5;Od ss.dwWin32ExitCode=NO_ERROR;
#a=~a=c(^ ss.dwCheckPoint=0;
m #}%l3$ ss.dwWaitHint=0;
{/PiX1mn SetServiceStatus(ssh,&ss);
)-_To&S* return;
kxVR#: }
=P\Tk)(` void ServiceRunning(void)
xRPUGGv {
Mg76v<mv< ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
bO\E)%zp ss.dwCurrentState=SERVICE_RUNNING;
-x0VvkHu ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
m*Q*{M_e ss.dwWin32ExitCode=NO_ERROR;
Fy-N U ss.dwCheckPoint=0;
P
gK> Z, ss.dwWaitHint=0;
}E]&,[4&M SetServiceStatus(ssh,&ss);
B gB]M3Il return;
|>L|7>J{<d }
K~ShV /////////////////////////////////////////////////////////////////////////
|$aTJ9 Iq: void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
9$oU6#U,h {
b Q6<R4 switch(Opcode)
t
(>} {
Dhy@!EOS case SERVICE_CONTROL_STOP://停止Service
yCLDJ%8 ServiceStopped();
@#= ail break;
l!^+Xeg~ case SERVICE_CONTROL_INTERROGATE:
Zbobi, SetServiceStatus(ssh,&ss);
3ZEV*=+T5 break;
ZAcH`r* }
1hnw+T<<W return;
[>N`)]fP }
{3{cU#\QA //////////////////////////////////////////////////////////////////////////////
ui$JQ _P //杀进程成功设置服务状态为SERVICE_STOPPED
X=U >r //失败设置服务状态为SERVICE_PAUSED
j9G1
_ //
R x>>0%e. void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
DsZBhjCB {
tjIT4 ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
w;Jby if(!ssh)
.*zWm {
[TFd|ywn ServicePaused();
X[{tD# return;
S_ Pa . }
_K5R?"H0 ServiceRunning();
:xz,PeXo7 Sleep(100);
=Pu;wx9 //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
|JD"iP: //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
V`/D!8> if(KillPS(atoi(lpszArgv[5])))
9X- w5$< ServiceStopped();
$xl>YYEBMH else
Ja@zeD)f" ServicePaused();
a\BV%'Zqg return;
7eyVm;LQD }
2l#c?]TA /////////////////////////////////////////////////////////////////////////////
ZFNn(n void main(DWORD dwArgc,LPTSTR *lpszArgv)
g*& |Eq/ {
`f~\d.*U SERVICE_TABLE_ENTRY ste[2];
{-fhp@; ste[0].lpServiceName=ServiceName;
(ndTEnpp ste[0].lpServiceProc=ServiceMain;
Jiv%Opo/| ste[1].lpServiceName=NULL;
)=vQrMyB ste[1].lpServiceProc=NULL;
n8dJ6"L<" StartServiceCtrlDispatcher(ste);
O^+H:Y| return;
1"4Pan }
4%s6 d,6" /////////////////////////////////////////////////////////////////////////////
\(db1zmS~ 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
C=6.~&( 下:
^DWvzfj /***********************************************************************
X'
,0vK Module:function.c
TOe=6Z5h Date:2001/4/28
4N- T=Ig Author:ey4s
Hido[ Http://www.ey4s.org {Hu@|Q\~& ***********************************************************************/
TJY
[s- #include
aGR!T{` ////////////////////////////////////////////////////////////////////////////
=
@EN]u BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
aA|<W
g {
,@#))2<RK TOKEN_PRIVILEGES tp;
Duu)8ru LUID luid;
+=:*[JEK,U ;;zQV D )X if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
S1Nwm?z {
%\|9_=9Wn printf("\nLookupPrivilegeValue error:%d", GetLastError() );
1j!LK- return FALSE;
Q/[g|" }
:Q=tGj\G tp.PrivilegeCount = 1;
9[5qN!P;y tp.Privileges[0].Luid = luid;
1[g -f, if (bEnablePrivilege)
<U]!1 tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
6Kbc:wlR else
R.(fo:ve> tp.Privileges[0].Attributes = 0;
!*tV[0i2 // Enable the privilege or disable all privileges.
WP5QA8`3 AdjustTokenPrivileges(
OABMIgX hToken,
A%[BCY_ FALSE,
5vmc'Om &tp,
%wDE+&M sizeof(TOKEN_PRIVILEGES),
0'3f^Ajf (PTOKEN_PRIVILEGES) NULL,
P5K=S.g (PDWORD) NULL);
,dR<O.{0 // Call GetLastError to determine whether the function succeeded.
s<XAH7?0 if (GetLastError() != ERROR_SUCCESS)
i eL7jN,'m {
2&,jO+BqE@ printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
zFba("E Z return FALSE;
V 4` }
X9-WU\?UC return TRUE;
vh/&KTe?: }
nZbINhls ////////////////////////////////////////////////////////////////////////////
nr{#Krkb BOOL KillPS(DWORD id)
~Oc:b>~ {
Km)VOX[ZZ HANDLE hProcess=NULL,hProcessToken=NULL;
.DX-biX, BOOL IsKilled=FALSE,bRet=FALSE;
<3)k M&.B __try
LJc"T)>$` {
JqmxS*_P \}n\cUy- if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
p=jpk@RX {
}mYxI^n printf("\nOpen Current Process Token failed:%d",GetLastError());
F<+!28&h __leave;
z8@[]6cW }
^cnTZzT#Q //printf("\nOpen Current Process Token ok!");
kdP*{ if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
#>ob1b| {
:u9OD` D __leave;
+e87/\5 }
.}c&"L;W printf("\nSetPrivilege ok!");
A/c #2 N*`qsv0 if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
}`~n$OVx {
ib\_MNIb printf("\nOpen Process %d failed:%d",id,GetLastError());
z@21Z`, __leave;
c<a)Yqf"] }
}WV}in0 //printf("\nOpen Process %d ok!",id);
jl"su:y if(!TerminateProcess(hProcess,1))
LG+2?+tE" {
xep8CimP' printf("\nTerminateProcess failed:%d",GetLastError());
p>l:^-N;f __leave;
"}x%5/( }
sxn{uRF IsKilled=TRUE;
7C9_;81_Dt }
;EB^1*AEw __finally
F;L8FL- {
~+)>D7 if(hProcessToken!=NULL) CloseHandle(hProcessToken);
eev-";c if(hProcess!=NULL) CloseHandle(hProcess);
^)UX#D3b }
AnK~<9WQj return(IsKilled);
DS1{~_>nFu }
vB%os Qm //////////////////////////////////////////////////////////////////////////////////////////////
6]sP" 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:
)`BKEaf /*********************************************************************************************
v{X<6^g ModulesKill.c
!T#EkMM Create:2001/4/28
f#kT?!sP Modify:2001/6/23
mKBO<l{S Author:ey4s
k2O3{xIjc Http://www.ey4s.org cN-$;Ent PsKill ==>Local and Remote process killer for windows 2k
}a%1$>sj **************************************************************************/
+ag_ w} #include "ps.h"
a D+4uGN #define EXE "killsrv.exe"
@h9QfJ_f #define ServiceName "PSKILL"
zP&D Sh2BU3 #pragma comment(lib,"mpr.lib")
bC/Ql //////////////////////////////////////////////////////////////////////////
7$*X
//定义全局变量
N%F4ug@i SERVICE_STATUS ssStatus;
!z1\#|> SC_HANDLE hSCManager=NULL,hSCService=NULL;
ob;O,&e0> BOOL bKilled=FALSE;
oOHY+'V char szTarget[52]=;
M-Ek(K3SRf //////////////////////////////////////////////////////////////////////////
}xry BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数
9a]{|M9 BOOL InstallService(DWORD,LPTSTR *);//安装服务函数
@^Rl{p BOOL WaitServiceStop();//等待服务停止函数
)8!*,e=4 BOOL RemoveService();//删除服务函数
I^n DO\m < /////////////////////////////////////////////////////////////////////////
fy$?~Ji& int main(DWORD dwArgc,LPTSTR *lpszArgv)
= N;5T {
84!Hd.H BOOL bRet=FALSE,bFile=FALSE;
n@L@pgo%~ char tmp[52]=,RemoteFilePath[128]=,
Z5p
[*LMO szUser[52]=,szPass[52]=;
tpblm|sW HANDLE hFile=NULL;
!TivQB DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff);
W*Si"s2 @C<ofg3E //杀本地进程
JA*+F1s if(dwArgc==2)
i),bAU!+m {
\%7fm#z6 if(KillPS(atoi(lpszArgv[1])))
K iEmvC printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);
wTD}c1J( else
1_b*j-j printf("\nLoacl Process %s can't be killed!ErrorCode:%d",
L9<\vJ lpszArgv[1],GetLastError());
i)'tt9f$ return 0;
L+*:VP6WD }
v<t?t<|J //用户输入错误
/wax5FS'I, else if(dwArgc!=5)
KIcIYCBz {
sQJGwZ7 printf("\nPSKILL ==>Local and Remote Process Killer"
"%)g^Atp> "\nPower by ey4s"
T-#4hY` "\nhttp://www.ey4s.org 2001/6/23"
\ @fKKb| "\n\nUsage:%s <==Killed Local Process"
[}M!ez "\n %s <==Killed Remote Process\n",
op\$(7<d- lpszArgv[0],lpszArgv[0]);
%ioVNbrR7 return 1;
4y#XX[2Wj }
-|Zzs4bx //杀远程机器进程
0k{\W strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);
+ c+i u6+" strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);
Xl<iR]lda strncpy(szPass,lpszArgv[3],sizeof(szPass)-1);
vJaWHC$q x\U[5d //将在目标机器上创建的exe文件的路径
- om9 Z0e sprintf(RemoteFilePath,"\\%s\admin$\system32\%s",szTarget,EXE);
.1q}mw __try
P1Z"}Qw {
J8!2Tt //与目标建立IPC连接
oOaFA+0x if(!ConnIPC(szTarget,szUser,szPass))
m$_b\^we {
+]nIr'V printf("\nConnect to %s failed:%d",szTarget,GetLastError());
-iS^VzI|I return 1;
^?Mp(o }
lKw-C[ printf("\nConnect to %s success!",szTarget);
Ku%tM7 ad //在目标机器上创建exe文件
W2#<]]- GdcXU:J / hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRIT
":8\2Qp E,
pa1<=w NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
=aZ d>{Y if(hFile==INVALID_HANDLE_VALUE)
aZ4?!JW . {
= V2Rq(jH printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());
Gk{ 'U __leave;
mmbe.$73 }
;_vhKU)%J# //写文件内容
BLyV~ while(dwSize>dwIndex)
gDVsi {
[9${4=Kq jel:oy|_ if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL))
R\5,H!V9n {
?a3wBy printf("\nWrite file %s
Rey+3*zUb failed:%d",RemoteFilePath,GetLastError());
xy7A^7Li __leave;
I09 W= }
y\Aa;pL)RQ dwIndex+=dwWrite;
$C;i}q# }
Ik$$Tn&; //关闭文件句柄
9L:wfg}8s CloseHandle(hFile);
/iFn=pk1? bFile=TRUE;
\Q|-Npw //安装服务
O hk\P;} if(InstallService(dwArgc,lpszArgv))
=^rt?F4 {
<Z:FY|'s //等待服务结束
(s,&