YARA · Malpedia signator rules
MALPEDIA_Win_Terminator_Rat_Auto
autogenerated rule brought to you by yara-signator
MalwareTerminator RatMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
- Author
- Felix Bilstein - yara-signator at cocacoding dot com
- Date
- 2026-05-04
- Modified
- 2026-05-18
- Score / Quality
- 75 / 75
What this rule detects
autogenerated rule brought to you by yara-signator
Associated malware family: Terminator Rat.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-terminator-rat-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Terminator_Rat_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "7a158d8c-c6d9-5c92-856a-16a73f404791"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.terminator_rat"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.terminator_rat_auto.yar#L1-L114"
= "N/A"
= "c9b1255fac643df0e5cda4fb80908f3bb02eb08ddb6ad96fab0d1632d61ced3c"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { c7450400000000 8be8 eb06 50 }
$sequence_1 = { 56 ff7708 e8???????? 8bc6 eb03 }
$sequence_2 = { 395e0c 752f 6a40 6800100000 }
$sequence_3 = { 8b743578 03f5 56 8b7620 03f5 }
$sequence_4 = { 50 e8???????? 83f8ff 750a c7852901000001000000 81c400040000 }
$sequence_5 = { ff5539 81c490010000 c3 c20400 57 8bfc 81ec04040000 }
$sequence_6 = { bee0030000 8d8720fcffff 56 50 }
$sequence_7 = { e8???????? 8b852d010000 b9f8030000 c70020000000 8b852d010000 2b08 }
$sequence_8 = { c3 57 8bfc 81ec00040000 8d8700fcffff }
$sequence_9 = { 33c0 50 ff5539 56 }
condition:
7 of them and filesize < 8192
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { c7450400000000 8be8 eb06 50 } | |
| $sequence_1 | hex | { 56 ff7708 e8???????? 8bc6 eb03 } | |
| $sequence_2 | hex | { 395e0c 752f 6a40 6800100000 } | |
| $sequence_3 | hex | { 8b743578 03f5 56 8b7620 03f5 } | |
| $sequence_4 | hex | { 50 e8???????? 83f8ff 750a c7852901000001000000 81c400040000 } | |
| $sequence_5 | hex | { ff5539 81c490010000 c3 c20400 57 8bfc 81ec04040000 } | |
| $sequence_6 | hex | { bee0030000 8d8720fcffff 56 50 } | |
| $sequence_7 | hex | { e8???????? 8b852d010000 b9f8030000 c70020000000 8b852d010000 2b08 } | |
| $sequence_8 | hex | { c3 57 8bfc 81ec00040000 8d8700fcffff } | |
| $sequence_9 | hex | { 33c0 50 ff5539 56 } |
Condition
7 of them and filesize < 8192In plain words (Heuristic)
- The file must be smaller than 8192 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
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Licence & attribution
Author: Felix Bilstein - yara-signator at cocacoding dot com
Source repository: Malpedia signator rules @ c901f97b7d
Licence: Creative Commons Attribution-ShareAlike 4.0 (repository licence)
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 7a158d8c-c6d9-5c92-856a-16a73f404791
Metadata
| version | 1 |
|---|---|
| tool | yara-signator v0.6.0 |
| signator_config | callsandjumps;datarefs;binvalue |
| malpedia_rule_date | 20260422 |
| malpedia_hash | a182e35da64e6d71cb55f125c4d4225196523f14 |
| malpedia_version | 20260504 |
| malpedia_license | CC BY-SA 4.0 |
| malpedia_sharing | TLP:WHITE |
Tags:FILE
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