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