DefenderYara/Backdoor/Linux/Tusnami/Backdoor_Linux_Tusnami_E_xp...

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rule Backdoor_Linux_Tusnami_E_xp{
meta:
description = "Backdoor:Linux/Tusnami.E!xp,SIGNATURE_TYPE_ELFHSTR_EXT,03 00 03 00 04 00 00 "
strings :
$a_02_0 = {7c 7c 20 63 64 20 2f 3b 20 77 67 65 74 20 68 74 74 70 3a 2f 2f [0-03] 2e [0-03] 2e [0-03] 2e [0-03] 2f 43 68 65 61 74 73 2e 73 68 3b 20 63 68 6d 6f 64 20 37 37 37 20 [0-10] 2e 73 68 3b 20 73 68 20 [0-10] 2e 73 68 3b 20 74 66 74 70 } //1
$a_00_1 = {48 61 63 6b 65 72 53 63 61 6e } //1 HackerScan
$a_00_2 = {53 74 61 72 74 54 68 65 4c 65 6c 7a } //1 StartTheLelz
$a_00_3 = {73 65 6e 64 48 54 54 50 } //1 sendHTTP
condition:
((#a_02_0 & 1)*1+(#a_00_1 & 1)*1+(#a_00_2 & 1)*1+(#a_00_3 & 1)*1) >=3
}