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Many (especially beginners) are tormented by the question: "What guts should I put on my skimmer / device?" A lot depends on the answer to this question:
- Percentage of the count;
- Working hours;
- The quality and speed of the decode;
- Bypassing protection systems;
- Your progress on the "Real career ladder".
The intestines are the internal electronic part of the skimming device, which is responsible for processing and recording information contained on the magnetic stripe of a plastic card.
Audio.
Let's start with the classic audio guts. The principle of any audio guts is to record sound from magnetic tape on a credit card. Basically, the audio guts are a regular voice recorder that records the audio data coming from the audio head, which is located in the place of the microphone. Further, the audio data must be processed (decoded). The quality of audio data depends directly on the sampling rate. The process of decoding audio data depends on many factors and, in some situations, can be difficult. The time required to decode one audio track is from 5 to 30 minutes.
For the most part, the cost of these guts is low, about 10-50 dollars. The size ranges from 10x20 to 60x60mm. Nutritional intake is quite high compared to the flesh intestines. Usually there is enough memory for continuous recording. Many people choose audio because of the ability to decode in non-standard conditions (noise emitted by ATM; jitter; crooked holder). Most of the audio is not encrypted. As a rule, audio chips only read the second track.
Miniature dictaphones such as "Edic-Mini" can be used as guts.
Next, consider the radio guts.
The principle of operation of the radio guts is based on a transmitter module that is inserted into the face and a receiver located near the ATM (usually a distance of 10 to 200 meters), i.e. consists of a "radio beetle" and a radio station with a dictaphone (a tablet or PDA is often used as a dictaphone). Frequency matching problems may occur depending on the type of transmitter. The receiver is often combined with a dictaphone, which records the received audio data. The big disadvantage of this type of intestine is radio interference, which can significantly complicate the reading.
The time required to decode one audio track is from 5 to 45 minutes. The cost of these guts will start at $ 100. Size from 5x10m to 10x30mm. Another unpleasant aspect of this type of gut is the extremely high consumption of food. They do not require strict conditions in the amount of transmitted data, because on the side of the receiver, you can put a voice recorder (or other recording device) with any memory capacity. You can buy it on "spy sites", radio amateur sites, carding sites, radio markets.
Bluetooth guts are similar in their action to radio guts.
They also have a receiving module that stores the received audio data. The intestines are made up of a bluetooth headset and a mobile phone (or tablet). A pleasant feature of these guts is the transmission of data in digital format, therefore they are not afraid of any interference. An unpleasant feature of these guts is a DSP processor that can filter data in real time (it is used by mobile device manufacturers to filter out various high-frequency noises and squeaks, such as wind).
The time required to decode one audio track is from 5 to 30 minutes. Old guts (Samsung WEP-410) lack DSP. The cost of these guts is from $ 100. The size of the transmitting module is from 10x20mm to 20x30mm. Power consumption is the same as that of radio guts. They do not require strict conditions in the amount of transmitted data. Reads noise and jitter just like classic gut audio. They do not have encryption.
Next comes GSM audio.
The principle of operation is based on two cellular telephones, one of which transmits audio data, and the second, in turn, records a telephone conversation in its memory. Some people use Chinese-made GSM bugs like N9 (GOOGLE: GSM bug N9). Guts, like bluetooth, use a DSP processor.
The cost of these guts is from $ 150. The time required to decode one audio track is from 5 to 45 minutes. Power consumption is large enough, close to bluetooth guts. Large sizes, in comparison with analogues from other categories of gut 50x50mm approx. Large food consumption. They do not require strict conditions in the amount of transmitted data. You can buy it on sites selling spy devices, Chinese sites, radio markets.
The last audio chips that I would like to discuss are "Spy devices", like pens with a built-in camera, key fobs, etc. The latest spy devices produced are of a sufficiently pleasant quality to work in skimmers, such as 2in1 (sound and audio are written in one muzzle), but the quality of performance itself suffers greatly. You can often find freezes, limited operating time (despite the large amount of memory up to 32GB), breakdowns. The time required to decode one audio track is from 5 to 30 minutes. Cost from $ 20.
Flash.
Although the principle of operation of guts is to receive audio data from a magnetic track, but the end result of flash guts will already be, not audio data, but data in text format, the decoding of which has either already been performed, or it will take a little time to decode the entire dump. In addition, no special knowledge of the F2F decode is required.
The principle of flash guts consists in partial decoding of audio, namely in determining the timings "on the fly". Typically, this is done with magtek hardware decoders (21006501-21006541). Operational amplifiers are less commonly used to determine timings.
The time required to decode one track is from 2 to 119 seconds. The cost of flash guts is an order of magnitude higher than audio. The cost starts at $ 200. Size from 5x7mm. An important factor in these intestines is the low nutritional intake of 0.2 mA. In "combat mode" they can work for 6-9 hours with a 6-9 mAh battery. There is enough memory for 500 or more dumps. Flash ones categorically do not tolerate Shumka, but they read jitter well enough. As a rule, all flash guts have built-in encryption, which is quite enough for renting a device, but absolutely not enough to protect against experts in the field of data decryption. basically it uses XOR-encryption, sometimes combined with "plus-minus byte" (ie, for example, we have the original text 123456, after this method the text will be 214365).
A radio flash differs from a conventional flash in that data is transmitted to a receiving module located near the ATM. Instead of memory, a transceiver microcircuit (or a similar module) of the nrf24l01 type is used, which has its own digital data transfer protocol, which is not afraid of external interference. The cost of such guts will be from $ 300. size from 5x7mm. Power consumption is not significantly higher. than a regular flush (0.5 - 0.9 ma). The amount of memory is usually extremely large due to the fact that an external data reception module is used. All other parameters do not differ from the classic flush.
The essence of GSM-flash guts is to send dumps in the form of SMS messages. The transmitting GSM module itself is large, so it is located near the ATM, and data is transmitted to it via a radio channel. Those. GSM gut consists of a radio flash and a GSM module (which often includes mobile phones or tablets that process the received data and send them by SMS). The cost of such guts starts at $ 500 with a size of 5x7mm and a consumption like a radio flash.
Outroduction
I invite other board members to participate in the addition / clarification of the article.
- Percentage of the count;
- Working hours;
- The quality and speed of the decode;
- Bypassing protection systems;
- Your progress on the "Real career ladder".
The intestines are the internal electronic part of the skimming device, which is responsible for processing and recording information contained on the magnetic stripe of a plastic card.
Audio.
Let's start with the classic audio guts. The principle of any audio guts is to record sound from magnetic tape on a credit card. Basically, the audio guts are a regular voice recorder that records the audio data coming from the audio head, which is located in the place of the microphone. Further, the audio data must be processed (decoded). The quality of audio data depends directly on the sampling rate. The process of decoding audio data depends on many factors and, in some situations, can be difficult. The time required to decode one audio track is from 5 to 30 minutes.
For the most part, the cost of these guts is low, about 10-50 dollars. The size ranges from 10x20 to 60x60mm. Nutritional intake is quite high compared to the flesh intestines. Usually there is enough memory for continuous recording. Many people choose audio because of the ability to decode in non-standard conditions (noise emitted by ATM; jitter; crooked holder). Most of the audio is not encrypted. As a rule, audio chips only read the second track.
Miniature dictaphones such as "Edic-Mini" can be used as guts.
Next, consider the radio guts.
The principle of operation of the radio guts is based on a transmitter module that is inserted into the face and a receiver located near the ATM (usually a distance of 10 to 200 meters), i.e. consists of a "radio beetle" and a radio station with a dictaphone (a tablet or PDA is often used as a dictaphone). Frequency matching problems may occur depending on the type of transmitter. The receiver is often combined with a dictaphone, which records the received audio data. The big disadvantage of this type of intestine is radio interference, which can significantly complicate the reading.
The time required to decode one audio track is from 5 to 45 minutes. The cost of these guts will start at $ 100. Size from 5x10m to 10x30mm. Another unpleasant aspect of this type of gut is the extremely high consumption of food. They do not require strict conditions in the amount of transmitted data, because on the side of the receiver, you can put a voice recorder (or other recording device) with any memory capacity. You can buy it on "spy sites", radio amateur sites, carding sites, radio markets.
Bluetooth guts are similar in their action to radio guts.
They also have a receiving module that stores the received audio data. The intestines are made up of a bluetooth headset and a mobile phone (or tablet). A pleasant feature of these guts is the transmission of data in digital format, therefore they are not afraid of any interference. An unpleasant feature of these guts is a DSP processor that can filter data in real time (it is used by mobile device manufacturers to filter out various high-frequency noises and squeaks, such as wind).
The time required to decode one audio track is from 5 to 30 minutes. Old guts (Samsung WEP-410) lack DSP. The cost of these guts is from $ 100. The size of the transmitting module is from 10x20mm to 20x30mm. Power consumption is the same as that of radio guts. They do not require strict conditions in the amount of transmitted data. Reads noise and jitter just like classic gut audio. They do not have encryption.
Next comes GSM audio.
The principle of operation is based on two cellular telephones, one of which transmits audio data, and the second, in turn, records a telephone conversation in its memory. Some people use Chinese-made GSM bugs like N9 (GOOGLE: GSM bug N9). Guts, like bluetooth, use a DSP processor.
The cost of these guts is from $ 150. The time required to decode one audio track is from 5 to 45 minutes. Power consumption is large enough, close to bluetooth guts. Large sizes, in comparison with analogues from other categories of gut 50x50mm approx. Large food consumption. They do not require strict conditions in the amount of transmitted data. You can buy it on sites selling spy devices, Chinese sites, radio markets.
The last audio chips that I would like to discuss are "Spy devices", like pens with a built-in camera, key fobs, etc. The latest spy devices produced are of a sufficiently pleasant quality to work in skimmers, such as 2in1 (sound and audio are written in one muzzle), but the quality of performance itself suffers greatly. You can often find freezes, limited operating time (despite the large amount of memory up to 32GB), breakdowns. The time required to decode one audio track is from 5 to 30 minutes. Cost from $ 20.
Flash.
Although the principle of operation of guts is to receive audio data from a magnetic track, but the end result of flash guts will already be, not audio data, but data in text format, the decoding of which has either already been performed, or it will take a little time to decode the entire dump. In addition, no special knowledge of the F2F decode is required.
The principle of flash guts consists in partial decoding of audio, namely in determining the timings "on the fly". Typically, this is done with magtek hardware decoders (21006501-21006541). Operational amplifiers are less commonly used to determine timings.
The time required to decode one track is from 2 to 119 seconds. The cost of flash guts is an order of magnitude higher than audio. The cost starts at $ 200. Size from 5x7mm. An important factor in these intestines is the low nutritional intake of 0.2 mA. In "combat mode" they can work for 6-9 hours with a 6-9 mAh battery. There is enough memory for 500 or more dumps. Flash ones categorically do not tolerate Shumka, but they read jitter well enough. As a rule, all flash guts have built-in encryption, which is quite enough for renting a device, but absolutely not enough to protect against experts in the field of data decryption. basically it uses XOR-encryption, sometimes combined with "plus-minus byte" (ie, for example, we have the original text 123456, after this method the text will be 214365).
A radio flash differs from a conventional flash in that data is transmitted to a receiving module located near the ATM. Instead of memory, a transceiver microcircuit (or a similar module) of the nrf24l01 type is used, which has its own digital data transfer protocol, which is not afraid of external interference. The cost of such guts will be from $ 300. size from 5x7mm. Power consumption is not significantly higher. than a regular flush (0.5 - 0.9 ma). The amount of memory is usually extremely large due to the fact that an external data reception module is used. All other parameters do not differ from the classic flush.
The essence of GSM-flash guts is to send dumps in the form of SMS messages. The transmitting GSM module itself is large, so it is located near the ATM, and data is transmitted to it via a radio channel. Those. GSM gut consists of a radio flash and a GSM module (which often includes mobile phones or tablets that process the received data and send them by SMS). The cost of such guts starts at $ 500 with a size of 5x7mm and a consumption like a radio flash.
Outroduction
I invite other board members to participate in the addition / clarification of the article.
