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