mirror of
https://github.com/roadwy/DefenderYara
synced 2026-06-21 14:08:27 +00:00
roadwy
20 lines
1.3 KiB
Plaintext
20 lines
1.3 KiB
Plaintext
|
|
rule HackTool_Linux_SuspUnixReShellCmd_P{
|
|
meta:
|
|
description = "HackTool:Linux/SuspUnixReShellCmd.P,SIGNATURE_TYPE_CMDHSTR_EXT,18 00 18 00 0a 00 00 "
|
|
|
|
strings :
|
|
$a_02_0 = {70 00 79 00 74 00 68 00 6f 00 6e 00 [0-20] 2d 00 63 00 [0-20] 69 00 6d 00 70 00 6f 00 72 00 74 00 } //10
|
|
$a_02_1 = {70 00 74 00 79 00 2e 00 73 00 70 00 61 00 77 00 6e 00 [0-02] 28 00 [0-06] 62 00 61 00 73 00 68 00 } //10
|
|
$a_02_2 = {70 00 74 00 79 00 2e 00 73 00 70 00 61 00 77 00 6e 00 [0-02] 28 00 [0-06] 73 00 68 00 } //10
|
|
$a_00_3 = {61 00 66 00 5f 00 69 00 6e 00 65 00 74 00 } //1 af_inet
|
|
$a_00_4 = {73 00 6f 00 63 00 6b 00 5f 00 73 00 74 00 72 00 65 00 61 00 6d 00 } //1 sock_stream
|
|
$a_02_5 = {63 00 6f 00 6e 00 6e 00 65 00 63 00 74 00 [0-01] 28 00 [0-01] 28 00 [0-50] 29 00 } //1
|
|
$a_00_6 = {6f 00 73 00 2e 00 64 00 75 00 70 00 32 00 } //1 os.dup2
|
|
$a_00_7 = {31 00 32 00 37 00 2e 00 30 00 2e 00 30 00 2e 00 31 00 } //-80 127.0.0.1
|
|
$a_00_8 = {6c 00 6f 00 63 00 61 00 6c 00 68 00 6f 00 73 00 74 00 } //-80 localhost
|
|
$a_00_9 = {30 00 2e 00 30 00 2e 00 30 00 2e 00 30 00 } //-80 0.0.0.0
|
|
condition:
|
|
((#a_02_0 & 1)*10+(#a_02_1 & 1)*10+(#a_02_2 & 1)*10+(#a_00_3 & 1)*1+(#a_00_4 & 1)*1+(#a_02_5 & 1)*1+(#a_00_6 & 1)*1+(#a_00_7 & 1)*-80+(#a_00_8 & 1)*-80+(#a_00_9 & 1)*-80) >=24
|
|
|
|
} |