-
Notifications
You must be signed in to change notification settings - Fork 1
/
apt_netwire_rat.yar
57 lines (53 loc) · 1.78 KB
/
apt_netwire_rat.yar
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
/*
Yara Rule Set
Author: Florian Roth
Date: 2018-01-05
Identifier: NetWire
Reference: https://pastebin.com/8qaiyPxs
*/
/* Rule Set ----------------------------------------------------------------- */
rule Susp_Indicators_EXE {
meta:
description = "Detects packed NullSoft Inst EXE with characteristics of NetWire RAT"
license = "https://creativecommons.org/licenses/by-nc/4.0/"
author = "Florian Roth"
reference = "https://pastebin.com/8qaiyPxs"
date = "2018-01-05"
score = 60
hash1 = "6de7f0276afa633044c375c5c630740af51e29b6a6f17a64fbdd227c641727a4"
strings:
$s1 = "Software\\Microsoft\\Windows\\CurrentVersion"
$s2 = "Error! Bad token or internal error" fullword ascii
$s3 = "CRYPTBASE" fullword ascii
$s4 = "UXTHEME" fullword ascii
$s5 = "PROPSYS" fullword ascii
$s6 = "APPHELP" fullword ascii
condition:
uint16(0) == 0x5A4D and uint32(uint32(0x3c)) == 0x4550 and filesize < 700KB and all of them
}
rule Suspicious_BAT_Strings {
meta:
description = "Detects a string also used in Netwire RAT auxilliary"
license = "https://creativecommons.org/licenses/by-nc/4.0/"
author = "Florian Roth"
score = 60
reference = "https://pastebin.com/8qaiyPxs"
date = "2018-01-05"
strings:
$s1 = "ping 192.0.2.2 -n 1" ascii
condition:
filesize < 600KB and 1 of them
}
rule Malicious_BAT_Strings {
meta:
description = "Detects a string also used in Netwire RAT auxilliary"
license = "https://creativecommons.org/licenses/by-nc/4.0/"
author = "Florian Roth"
score = 60
reference = "https://pastebin.com/8qaiyPxs"
date = "2018-01-05"
strings:
$s1 = "call :deleteSelf&exit /b"
condition:
filesize < 600KB and 1 of them
}