??
??????????????????????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?
??:??????????????????????????????????????
??????????????:????????????????????????????????????