??1??????????17? ??????17?,???????????????
??????
2024??????12?????18????????,???????????????????????????CNCERT??(
???????????????????????
(??????)?
2024????8????????19?,?,???/????????????2024?8?????????????21??????????,?????????/????
(?????)??????????
2024??????????????8???????21????12???????????????????????,?????????????????????????????????,???????????????,????????????????????????????????????,??????????????/xxx/xxxx?flag=syn_user_policy??,?????/xxx/xxxStats?
(????????)????????????
2024?11?6?????2024???????????11???8??2024?????????????????11?16??????????,???276?????????????????????????????????????
????????????
(?????)?????????????
?????????IP???????,?,??,????,?????????????????
(????????????)?
2024??11??????????????????????6????????????????11???????????????16??????????????,??????????3??????????IP?????????????????,??????????,?,??????????????????????????????????????????,?????,?????????????????4.98GB?
????????????????
(?)?
???????????????,??22????8????????,????????10?????????????????????20???????????????,?,???????
(??????????????????????????)?
?????5?IP??,???????????????????,??
(???????????)??
?????????????,???????????,??
?????????????,???????????,???
(?????????????)???
?????,??????????????????????????????,???,????????????????????????????276??,???????????????????,????????????????????????????
???????????????????????????????????IP?
?
2024??12????????????????????????18?,?????????????CNCERT??????(
??????
(??????????)???????????????????????
?Exchange????????????????????2??????????Exchange?,??,?????,?????????????????
(????)???
?,??????????2??????????????,?????????,????????,?/owa/auth/xxx/xx.aspx?/owa/auth/xxx/yy.aspx,??????????????????????????????????,???????,???????????????
(????)???30????
??????????????????,??????,?,?????????????????SSH?SMB???????????????????????????30??????????????????????;??????????????,??????????????????????????????????????????????????????????????????,?????????websocket+SSH??????????????????,????????????????????????????,?WeChatxxxxxxxx.exe?????????????????????????2?PIPE?,??????????
?????????????????????????
(????????????)??????
???????????????,??????????????????????????????????????,???????????,???????????????????????,???????????????,???????????????
(?)????????????
??3?????,?????????,2023????????????????????5??2???????????,???????????????????(95.179.XX.XX)?????,??????,?,???????????,?????????????????????????????????????????????????????????????(?+???????????????????)??IP???????????????????
(????)???????????
?????????????????????????????????????,??????,2023?7????26??????,???????(65.21.XX.XX)?,??,?,?,??????1.03GB?????,???tip4XXXXXXXX.php?
(?)?
?,????????????????,????,?????????????????SSH???????????????,????????,??????
???
(??????????????)?????????????????????
?,?22?8??????????????????,????????10???????????????????????????20?????????,??????????????????????,???????
(?)??????????????????????????
2023??????????????5?????2023?10???????????????,????30?,???????????????IP??,??
(????????????)???
?2???????????????????PIPE??????c:\windows\system32\???????,????.net????????,????????????????????,?????????????KB,??TLS??????????????????????????????????,??https?,??????websocket+SSH?,??
???????????IP?
?????:????????????????????
????:????????????!
?????????????????
???????:????????????????(?
???????????????3519?
????:????????????????
????:????????????!
????:?????????????????????
????:???????????????????
???????8?17??????????4??
??-????Indy500??????????
A??????:????????????13??
???????????????:??????????
??2??????2?1600?????2?
??????:????????????
??:??????????????????
??3?????????0.2%
????:???????????????????
50???????????:?????????
??????:????????????
??:????????????????
??3?????????0.2%
?????????????????????
19???????????????????
????????????470?:???3?1?
2017?????????????????