?????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????????????????

?????????????????????????????:????? ??“??????????”

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

????:1???????????:????????

2??????

3??????????

4???????????

5???????????

?????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????????????????

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