mirror of
https://github.com/roadwy/DefenderYara
synced 2026-06-21 14:08:27 +00:00
roadwy
15 lines
959 B
Plaintext
15 lines
959 B
Plaintext
|
|
rule HackTool_Linux_NodeRevShell_B{
|
|
meta:
|
|
description = "HackTool:Linux/NodeRevShell.B,SIGNATURE_TYPE_CMDHSTR_EXT,08 00 08 00 05 00 00 "
|
|
|
|
strings :
|
|
$a_00_0 = {6e 00 6f 00 64 00 65 00 6a 00 73 00 20 00 2d 00 65 00 } //2 nodejs -e
|
|
$a_00_1 = {6e 00 6f 00 64 00 65 00 20 00 2d 00 65 00 } //2 node -e
|
|
$a_02_2 = {63 00 68 00 69 00 6c 00 64 00 5f 00 70 00 72 00 6f 00 63 00 65 00 73 00 73 00 2e 00 73 00 70 00 61 00 77 00 6e 00 [0-02] 28 00 [0-04] 2f 00 62 00 69 00 6e 00 2f 00 [0-04] 73 00 68 00 } //2
|
|
$a_02_3 = {63 00 68 00 69 00 6c 00 64 00 5f 00 70 00 72 00 6f 00 63 00 65 00 73 00 73 00 2e 00 65 00 78 00 65 00 63 00 [0-02] 28 00 [0-04] 2f 00 62 00 69 00 6e 00 2f 00 [0-04] 73 00 68 00 } //2
|
|
$a_00_4 = {73 00 74 00 64 00 69 00 6f 00 3a 00 20 00 5b 00 30 00 2c 00 20 00 31 00 2c 00 20 00 32 00 5d 00 } //2 stdio: [0, 1, 2]
|
|
condition:
|
|
((#a_00_0 & 1)*2+(#a_00_1 & 1)*2+(#a_02_2 & 1)*2+(#a_02_3 & 1)*2+(#a_00_4 & 1)*2) >=8
|
|
|
|
} |