rule Backdoor_BAT_Bladabindi_BI{ meta: description = "Backdoor:BAT/Bladabindi.BI,SIGNATURE_TYPE_PEHSTR,04 00 04 00 04 00 00 " strings : $a_01_0 = {7c 00 27 00 7c 00 27 00 7c 00 } //1 |'|'| $a_01_1 = {5b 00 45 00 4e 00 54 00 45 00 52 00 5d 00 } //1 [ENTER] $a_01_2 = {5b 00 6b 00 6c 00 5d 00 } //1 [kl] $a_01_3 = {53 00 6f 00 66 00 74 00 77 00 61 00 72 00 65 00 5c 00 4d 00 69 00 63 00 72 00 6f 00 73 00 6f 00 66 00 74 00 5c 00 57 00 69 00 6e 00 64 00 6f 00 77 00 73 00 5c 00 43 00 75 00 72 00 72 00 65 00 6e 00 74 00 56 00 65 00 72 00 73 00 69 00 6f 00 6e 00 5c 00 52 00 75 00 6e 00 } //1 Software\Microsoft\Windows\CurrentVersion\Run condition: ((#a_01_0 & 1)*1+(#a_01_1 & 1)*1+(#a_01_2 & 1)*1+(#a_01_3 & 1)*1) >=4 }