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。
S#!PDg OK!那如何杀掉远程进程呢?说起来有点复杂,但其实也不难。
o&rejj# <1>与远程系统建立IPC连接
4&K~EX"^T <2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe
[@#P3g\:>W <3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]
|w6:mtaS <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
+H/^RvUjF <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
7 -gt V# <6>服务启动后,killsrv.exe运行,杀掉进程
-[`,MZf <7>清场
)Y
Qtrc\91 嗯!这样看来,我们需要两个程序了。Killsrv.exe的源代码如下:
T*J]e|aF /***********************************************************************
$>OWGueq64 Module:Killsrv.c
Wxb/|?, Date:2001/4/27
hX$k8 o0 Author:ey4s
GpN tvo~ Http://www.ey4s.org \4~uop,Nb+ ***********************************************************************/
ff?:_q+.N #include
65=i`!f #include
N#C,_ k #include "function.c"
&Dqg<U #define ServiceName "PSKILL"
H~J#!3 AmRppbj/wO SERVICE_STATUS_HANDLE ssh;
Th`IpxV SERVICE_STATUS ss;
oVb6,Pn /////////////////////////////////////////////////////////////////////////
]^VC@$\)+ void ServiceStopped(void)
zvdtP'&uj {
~(-B%Az ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
rh${pHl ss.dwCurrentState=SERVICE_STOPPED;
vov"60K ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
-2K`:}\y& ss.dwWin32ExitCode=NO_ERROR;
9w}A7(' ss.dwCheckPoint=0;
8D)*~C'85E ss.dwWaitHint=0;
-HP [IJP SetServiceStatus(ssh,&ss);
_&.CI6 return;
Uj0DX>I }
H;G*tje/M /////////////////////////////////////////////////////////////////////////
d.% Vm&3 void ServicePaused(void)
#`<|W5 {
<{3VK ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
w \i# ss.dwCurrentState=SERVICE_PAUSED;
F,P,dc ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
)e4nKh], ss.dwWin32ExitCode=NO_ERROR;
'S)}mG_ ss.dwCheckPoint=0;
kJlRdt2 ss.dwWaitHint=0;
f<!eJO:<' SetServiceStatus(ssh,&ss);
i=o<\{iV: return;
^WVH z;
}
Pp@ P] void ServiceRunning(void)
31
QT {
V!DQ_T+a ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;
7 H.2]X ss.dwCurrentState=SERVICE_RUNNING;
FlrLXTx0 ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;
X@\rg}kP ss.dwWin32ExitCode=NO_ERROR;
g&\A1H ss.dwCheckPoint=0;
zo7Hm]W` ss.dwWaitHint=0;
rts@1JY[ SetServiceStatus(ssh,&ss);
s0E:hn: return;
&xj?MgdNL }
ZxwI< T:& /////////////////////////////////////////////////////////////////////////
+'N?`l6< void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序
Z8 1]> {
4@4$kro switch(Opcode)
%_(e{Mf) {
'eLO#1Ipf case SERVICE_CONTROL_STOP://停止Service
U9SByqa1 ServiceStopped();
b_|`jHes break;
>(|T]u](q case SERVICE_CONTROL_INTERROGATE:
W-<C%9O! SetServiceStatus(ssh,&ss);
mKvk6OC break;
3*/y<Z'H }
(m|p|rL return;
"/(J*)%{ }
|/Ggsfmby //////////////////////////////////////////////////////////////////////////////
(VI4kRj //杀进程成功设置服务状态为SERVICE_STOPPED
* A@~!@XE4 //失败设置服务状态为SERVICE_PAUSED
/Pxt f~$ //
6*lTur9ni void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv)
bfVKf} {
,*+F*:o(m ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);
[as\>@o if(!ssh)
]KA|};>ow {
^$FHI_ ServicePaused();
P@`@?kMU return;
O8wR#(/ }
N41)?-7F ServiceRunning();
XPBKQm_} Sleep(100);
,j:`yB]4, //注意,argv[0]为此程序名,argv[1]为pskill,参数需要递增1
~dkS-6q~Q //argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pid
,gVA^]eDh if(KillPS(atoi(lpszArgv[5])))
rFh!&_ ServiceStopped();
rUc2'Ct else
P6!c-\ ServicePaused();
_s[ohMlh return;
[d`J2^z} }
NoB)tAvw /////////////////////////////////////////////////////////////////////////////
1aP3oXLL void main(DWORD dwArgc,LPTSTR *lpszArgv)
j_H9l,V {
^":UkPFCx: SERVICE_TABLE_ENTRY ste[2];
]u?|3y^( ste[0].lpServiceName=ServiceName;
9{RCh9 ste[0].lpServiceProc=ServiceMain;
&xo_93 ste[1].lpServiceName=NULL;
Iq]+O Q ste[1].lpServiceProc=NULL;
F0qpJM, StartServiceCtrlDispatcher(ste);
X4_1kY; return;
U>H"N1 }
+DmfqKKbd /////////////////////////////////////////////////////////////////////////////
2Nrb}LH 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
xAbx.\ 下:
o,>9|EMQZ /***********************************************************************
*'H0%GM Module:function.c
R}_B\# Q Date:2001/4/28
9AF%Y:y Author:ey4s
"
R!,5HQF; Http://www.ey4s.org ~_6~Fi ***********************************************************************/
?l/VCEZP #include
NOM6},rp ////////////////////////////////////////////////////////////////////////////
Q=9Ce@[ BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege)
*eL&fC {
UCV1 { TOKEN_PRIVILEGES tp;
0`UI^Y~Q LUID luid;
x7J8z\b"O %;/?DQU if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid))
Nk?eVJ) {
S9RH&/^H printf("\nLookupPrivilegeValue error:%d", GetLastError() );
xl2;DFiYt return FALSE;
%])U ( }
'tvX.aX2 tp.PrivilegeCount = 1;
cQ}3?
v tp.Privileges[0].Luid = luid;
1i3;P/ if (bEnablePrivilege)
v+d}
_rCT tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
7"Qj(N else
ZDny=&># tp.Privileges[0].Attributes = 0;
K93L-K^J // Enable the privilege or disable all privileges.
%4' <0 AdjustTokenPrivileges(
qJ(XW N H hToken,
yUnNf 2i FALSE,
?,
B4 &tp,
K Q^CiX sizeof(TOKEN_PRIVILEGES),
(%~^Kmfb0 (PTOKEN_PRIVILEGES) NULL,
<ks+JkW_ (PDWORD) NULL);
|ht:_l
8 // Call GetLastError to determine whether the function succeeded.
7md,!|m if (GetLastError() != ERROR_SUCCESS)
>|zMN$: {
+xNV1bM printf("AdjustTokenPrivileges failed: %u\n", GetLastError() );
O]_a$U*6 return FALSE;
$,u>, }
IVSOSl| return TRUE;
<qGxkV
}
y'L7o
V?L9 ////////////////////////////////////////////////////////////////////////////
J4?i\wD: BOOL KillPS(DWORD id)
lT^/8Z<g {
FD'yT8]" HANDLE hProcess=NULL,hProcessToken=NULL;
6}l[%8 BOOL IsKilled=FALSE,bRet=FALSE;
0\zY?UUww __try
jQBL8< {
?7=c` =E.!Ff4~( if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken))
=xw+cs1,x {
@*Tql:Qcd^ printf("\nOpen Current Process Token failed:%d",GetLastError());
>piVi[` __leave;
-\<\OV:c* }
CS'LW;#[ //printf("\nOpen Current Process Token ok!");
U7#C. Z if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE))
Gr-~&pm {
,I6li7V __leave;
^XX_ qC'1 }
:%_\!FvS printf("\nSetPrivilege ok!");
Gsn$r(m{K 3D;?X@ if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL)
t)|~8xpP {
<@Z`<T6 printf("\nOpen Process %d failed:%d",id,GetLastError());
R1$s1@3I| __leave;
E$.f AIt }
Upa F>,kM //printf("\nOpen Process %d ok!",id);
QUeuN?3X\ if(!TerminateProcess(hProcess,1))
.af+h<RG4$ {
ZyM7)!+kPa printf("\nTerminateProcess failed:%d",GetLastError());
%rlMjF'tG __leave;
(/7b8)g }
iD*21c<