DefenderYara/Backdoor/BAT/IRCbot/Backdoor_BAT_IRCbot_I.yar

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rule Backdoor_BAT_IRCbot_I{
meta:
description = "Backdoor:BAT/IRCbot.I,SIGNATURE_TYPE_PEHSTR_EXT,08 00 08 00 08 00 00 01 00 "
strings :
$a_01_0 = {42 6f 74 6b 69 6c 6c 65 72 } //01 00 Botkiller
$a_01_1 = {21 00 61 00 72 00 6d 00 65 00 } //01 00 !arme
$a_01_2 = {21 00 68 00 74 00 74 00 70 00 } //01 00 !http
$a_01_3 = {21 00 74 00 63 00 70 00 } //01 00 !tcp
$a_01_4 = {21 00 73 00 6c 00 6f 00 77 00 } //01 00 !slow
$a_01_5 = {21 00 75 00 64 00 70 00 } //01 00 !udp
$a_01_6 = {21 00 72 00 75 00 73 00 6b 00 69 00 6c 00 6c 00 } //01 00 !ruskill
$a_01_7 = {21 00 75 00 73 00 62 00 } //00 00 !usb
$a_00_8 = {78 0b 01 00 } //09 00
condition:
any of ($a_*)
}
rule Backdoor_BAT_IRCbot_I_2{
meta:
description = "Backdoor:BAT/IRCbot.I,SIGNATURE_TYPE_PEHSTR_EXT,09 00 09 00 0b 00 00 01 00 "
strings :
$a_01_0 = {21 00 61 00 6e 00 74 00 69 00 76 00 69 00 72 00 75 00 73 00 } //01 00 !antivirus
$a_01_1 = {21 00 62 00 6f 00 74 00 6b 00 69 00 6c 00 6c 00 } //01 00 !botkill
$a_01_2 = {21 00 66 00 6c 00 6f 00 6f 00 64 00 2e 00 61 00 72 00 6d 00 65 00 } //01 00 !flood.arme
$a_01_3 = {21 00 66 00 6c 00 6f 00 6f 00 64 00 2e 00 68 00 74 00 74 00 70 00 } //01 00 !flood.http
$a_01_4 = {21 00 66 00 6c 00 6f 00 6f 00 64 00 2e 00 74 00 63 00 70 00 } //01 00 !flood.tcp
$a_01_5 = {21 00 66 00 6c 00 6f 00 6f 00 64 00 2e 00 73 00 6c 00 6f 00 77 00 6c 00 6f 00 72 00 69 00 73 00 } //01 00 !flood.slowloris
$a_01_6 = {21 00 66 00 6c 00 6f 00 6f 00 64 00 2e 00 75 00 64 00 70 00 } //01 00 !flood.udp
$a_01_7 = {21 00 72 00 75 00 73 00 6b 00 69 00 6c 00 6c 00 } //01 00 !ruskill
$a_01_8 = {21 00 73 00 70 00 72 00 65 00 61 00 64 00 } //01 00 !spread
$a_01_9 = {21 00 64 00 6f 00 77 00 6e 00 6c 00 6f 00 61 00 64 00 } //01 00 !download
$a_01_10 = {21 00 76 00 69 00 73 00 69 00 74 00 } //00 00 !visit
$a_00_11 = {5d 04 00 00 23 } //15 03
condition:
any of ($a_*)
}